x/stackube
Code Issues Proposed changes

Add service controller

Browse Source 
- Add a service controller in stackube and create lbaas v2 pools for new services,
also add members for endpoints.
- Fix getting network for system namespaces.

Change-Id: I7942a2d26dd33b4ceb75ec51c03933205a60aea7
Implements: blueprint service-loadbalancer
Signed-off-by: Pengfei Ni <feiskyer@gmail.com>
This commit is contained in:
Pengfei Ni 2017-07-26 10:36:45 +08:00
parent 1b3a7cf0ae
commit c847f5e5a5
28 changed files with 3504 additions and 130 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
cmd/stackube-controller/stackube-controller.go
View File

@ -11,12 +11,15 @@ import (
"git.openstack.org/openstack/stackube/pkg/auth-controller/tenant"
"git.openstack.org/openstack/stackube/pkg/network-controller"
"git.openstack.org/openstack/stackube/pkg/openstack"
"git.openstack.org/openstack/stackube/pkg/service-controller"
"git.openstack.org/openstack/stackube/pkg/util"
extclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
"k8s.io/client-go/kubernetes"
"github.com/golang/glog"
"github.com/spf13/pflag"
"golang.org/x/sync/errgroup"
"k8s.io/client-go/kubernetes"
)
var (
@ -28,26 +31,28 @@ var (
userGateway = pflag.String("user-gateway", "10.244.0.1", "user Pod network gateway")
)
func startControllers(kubeconfig, cloudconfig string) error {
func startControllers(kubeClient *kubernetes.Clientset,
osClient *openstack.Client, kubeExtClient *extclientset.Clientset) error {
// Creates a new Tenant controller
tc, err := tenant.NewTenantController(kubeconfig, cloudconfig)
tenantController, err := tenant.NewTenantController(kubeClient, osClient, kubeExtClient)
if err != nil {
return err
}
// Creates a new Network controller
nc, err := network.NewNetworkController(
kubeconfig, cloudconfig)
networkController, err := network.NewNetworkController(osClient, kubeExtClient)
if err != nil {
return err
}
// Creates a new RBAC controller
rm, err := rbacmanager.NewRBACController(kubeconfig,
tc.GetKubeCRDClient(),
*userCIDR,
*userGateway,
)
rbacController, err := rbacmanager.NewRBACController(kubeClient, osClient.CRDClient, *userCIDR, *userGateway)
if err != nil {
return err
}
// Creates a new service controller
serviceController, err := service.NewServiceController(kubeClient, osClient)
if err != nil {
return err
}
@ -56,11 +61,14 @@ func startControllers(kubeconfig, cloudconfig string) error {
wg, ctx := errgroup.WithContext(ctx)
// start auth controllers in stackube
wg.Go(func() error { return tc.Run(ctx.Done()) })
wg.Go(func() error { return rm.Run(ctx.Done()) })
wg.Go(func() error { return tenantController.Run(ctx.Done()) })
wg.Go(func() error { return rbacController.Run(ctx.Done()) })
// start network controller
wg.Go(func() error { return nc.Run(ctx.Done()) })
wg.Go(func() error { return networkController.Run(ctx.Done()) })
// start service controller
wg.Go(func() error { return serviceController.Run(ctx.Done()) })
term := make(chan os.Signal)
signal.Notify(term, os.Interrupt, syscall.SIGTERM)
@ -80,23 +88,28 @@ func startControllers(kubeconfig, cloudconfig string) error {
return nil
}
func verifyClientSetting() error {
func initClients() (*kubernetes.Clientset, *openstack.Client, *extclientset.Clientset, error) {
// Create kubernetes client config. Use kubeconfig if given, otherwise assume in-cluster.
config, err := util.NewClusterConfig(*kubeconfig)
if err != nil {
return fmt.Errorf("Init kubernetes cluster failed: %v", err)
return nil, nil, nil, fmt.Errorf("failed to build kubeconfig: %v", err)
}
_, err = kubernetes.NewForConfig(config)
kubeClient, err := kubernetes.NewForConfig(config)
if err != nil {
return fmt.Errorf("Init kubernetes clientset failed: %v", err)
return nil, nil, nil, fmt.Errorf("failed to create kubernetes clientset: %v", err)
}
_, err = openstack.NewClient(*cloudconfig, *kubeconfig)
kubeExtClient, err := extclientset.NewForConfig(config)
if err != nil {
return fmt.Errorf("Init openstack client failed: %v", err)
return nil, nil, nil, fmt.Errorf("failed to create kubernetes apiextensions clientset: %v", err)
}
return nil
// Create OpenStack client from config file.
osClient, err := openstack.NewClient(*cloudconfig, *kubeconfig)
if err != nil {
return nil, nil, nil, fmt.Errorf("could't initialize openstack client: %v", err)
}
return kubeClient, osClient, kubeExtClient, nil
}
func main() {
@ -104,14 +117,14 @@ func main() {
util.InitLogs()
defer util.FlushLogs()
// Verify client setting at the beginning and fail early if there are errors.
err := verifyClientSetting()
// Initilize kubernetes and openstack clients.
kubeClient, osClient, kubeExtClient, err := initClients()
if err != nil {
glog.Fatal(err)
}
// Start stackube controllers.
if err := startControllers(*kubeconfig, *cloudconfig); err != nil {
if err := startControllers(kubeClient, osClient, kubeExtClient); err != nil {
glog.Fatal(err)
}
}

18
pkg/auth-controller/rbacmanager/rbac_controller.go
View File

@ -34,22 +34,10 @@ type Controller struct {
}
// New creates a new RBAC controller.
func NewRBACController(kubeconfig string,
kubeCRDClient *crdClient.CRDClient,
userCIDR string,
userGateway string,
) (*Controller, error) {
cfg, err := util.NewClusterConfig(kubeconfig)
if err != nil {
return nil, fmt.Errorf("init cluster config failed: %v", err)
}
client, err := kubernetes.NewForConfig(cfg)
if err != nil {
return nil, fmt.Errorf("init kubernetes client failed: %v", err)
}
func NewRBACController(kubeClient *kubernetes.Clientset, kubeCRDClient *crdClient.CRDClient, userCIDR string,
userGateway string) (*Controller, error) {
o := &Controller{
kclient: client,
kclient: kubeClient,
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "rbacmanager"),
kubeCRDClient: kubeCRDClient,
userCIDR: userCIDR,

34
pkg/auth-controller/tenant/tenant_controller.go
View File

@ -7,7 +7,6 @@ import (
crdClient "git.openstack.org/openstack/stackube/pkg/kubecrd"
"git.openstack.org/openstack/stackube/pkg/openstack"
"git.openstack.org/openstack/stackube/pkg/util"
"github.com/golang/glog"
apiv1 "k8s.io/api/core/v1"
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
@ -27,38 +26,19 @@ type TenantController struct {
}
// NewTenantController creates a new tenant controller.
func NewTenantController(kubeconfig, cloudconfig string) (*TenantController, error) {
// Create the client config. Use kubeconfig if given, otherwise assume in-cluster.
config, err := util.NewClusterConfig(kubeconfig)
if err != nil {
return nil, fmt.Errorf("failed to build kubeconfig: %v", err)
}
clientset, err := apiextensionsclient.NewForConfig(config)
if err != nil {
return nil, fmt.Errorf("failed to create kubeclient from config: %v", err)
}
func NewTenantController(kubeClient *kubernetes.Clientset,
osClient *openstack.Client,
kubeExtClient *apiextensionsclient.Clientset) (*TenantController, error) {
// initialize CRD if it does not exist
_, err = crdClient.CreateTenantCRD(clientset)
_, err := crdClient.CreateTenantCRD(kubeExtClient)
if err != nil && !apierrors.IsAlreadyExists(err) {
return nil, fmt.Errorf("failed to create CRD to kube-apiserver: %v", err)
}
k8sClient, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, fmt.Errorf("failed to create kubernetes client: %v", err)
}
// Create OpenStack client from config
openStackClient, err := openstack.NewClient(cloudconfig, kubeconfig)
if err != nil {
return nil, fmt.Errorf("init openstack client failed: %v", err)
}
c := &TenantController{
kubeCRDClient: openStackClient.CRDClient,
k8sClient: k8sClient,
openstackClient: openStackClient,
kubeCRDClient: osClient.CRDClient,
k8sClient: kubeClient,
openstackClient: osClient,
}
if err = c.createClusterRoles(); err != nil {

72
pkg/network-controller/network_controller.go
View File

@ -3,6 +3,7 @@ package network
import (
"fmt"
"github.com/golang/glog"
apiv1 "k8s.io/api/core/v1"
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
apierrors "k8s.io/apimachinery/pkg/api/errors"
@ -11,75 +12,58 @@ import (
"k8s.io/client-go/tools/cache"
crv1 "git.openstack.org/openstack/stackube/pkg/apis/v1"
crdClient "git.openstack.org/openstack/stackube/pkg/kubecrd"
osDriver "git.openstack.org/openstack/stackube/pkg/openstack"
"git.openstack.org/openstack/stackube/pkg/kubecrd"
"git.openstack.org/openstack/stackube/pkg/openstack"
"git.openstack.org/openstack/stackube/pkg/util"
"github.com/golang/glog"
)
// Watcher is an network of watching on resource create/update/delete events
type NetworkController struct {
kubeCRDClient *crdClient.CRDClient
driver *osDriver.Client
kubeCRDClient *kubecrd.CRDClient
driver *openstack.Client
networkInformer cache.Controller
}
func (c *NetworkController) GetKubeCRDClient() *crdClient.CRDClient {
func (c *NetworkController) GetKubeCRDClient() *kubecrd.CRDClient {
return c.kubeCRDClient
}
func (c *NetworkController) Run(stopCh <-chan struct{}) error {
defer utilruntime.HandleCrash()
source := cache.NewListWatchFromClient(
c.kubeCRDClient.Client,
crv1.NetworkResourcePlural,
apiv1.NamespaceAll,
fields.Everything())
_, networkInformer := cache.NewInformer(
source,
&crv1.Network{},
0,
cache.ResourceEventHandlerFuncs{
AddFunc: c.onAdd,
UpdateFunc: c.onUpdate,
DeleteFunc: c.onDelete,
})
go networkInformer.Run(stopCh)
go c.networkInformer.Run(stopCh)
<-stopCh
return nil
}
func NewNetworkController(kubeconfig, openstackConfigFile string) (*NetworkController, error) {
// Create the client config. Use kubeconfig if given, otherwise assume in-cluster.
config, err := util.NewClusterConfig(kubeconfig)
if err != nil {
return nil, fmt.Errorf("failed to build kubeconfig: %v", err)
}
clientset, err := apiextensionsclient.NewForConfig(config)
if err != nil {
return nil, fmt.Errorf("failed to create kubeclient from config: %v", err)
}
func NewNetworkController(osClient *openstack.Client, kubeExtClient *apiextensionsclient.Clientset) (*NetworkController, error) {
// initialize CRD if it does not exist
_, err = crdClient.CreateNetworkCRD(clientset)
_, err := kubecrd.CreateNetworkCRD(kubeExtClient)
if err != nil && !apierrors.IsAlreadyExists(err) {
return nil, fmt.Errorf("failed to create CRD to kube-apiserver: %v", err)
}
// Create OpenStack client from config
openstack, err := osDriver.NewClient(openstackConfigFile, kubeconfig)
if err != nil {
return nil, fmt.Errorf("Couldn't initialize openstack: %#v", err)
}
source := cache.NewListWatchFromClient(
osClient.CRDClient.Client,
crv1.NetworkResourcePlural,
apiv1.NamespaceAll,
fields.Everything())
networkController := &NetworkController{
kubeCRDClient: openstack.CRDClient,
driver: openstack,
kubeCRDClient: osClient.CRDClient,
driver: osClient,
}
_, networkInformer := cache.NewInformer(
source,
&crv1.Network{},
0,
cache.ResourceEventHandlerFuncs{
AddFunc: networkController.onAdd,
UpdateFunc: networkController.onUpdate,
DeleteFunc: networkController.onDelete,
})
networkController.networkInformer = networkInformer
return networkController, nil
}

766
pkg/openstack/loadbalancer.go Normal file
View File

@ -0,0 +1,766 @@
package openstack
import (
"fmt"
"time"
"k8s.io/apimachinery/pkg/util/wait"
"github.com/golang/glog"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/floatingips"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/listeners"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/loadbalancers"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/monitors"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools"
"github.com/gophercloud/gophercloud/pagination"
)
const (
defaultMonitorDelay = 10
defaultMonitorRetry = 3
defaultMonotorTimeout = 3
// loadbalancerActive* is configuration of exponential backoff for
// going into ACTIVE loadbalancer provisioning status. Starting with 1
// seconds, multiplying by 1.2 with each step and taking 19 steps at maximum
// it will time out after 128s, which roughly corresponds to 120s
loadbalancerActiveInitDealy = 1 * time.Second
loadbalancerActiveFactor = 1.2
loadbalancerActiveSteps = 19
// loadbalancerDelete* is configuration of exponential backoff for
// waiting for delete operation to complete. Starting with 1
// seconds, multiplying by 1.2 with each step and taking 13 steps at maximum
// it will time out after 32s, which roughly corresponds to 30s
loadbalancerDeleteInitDealy = 1 * time.Second
loadbalancerDeleteFactor = 1.2
loadbalancerDeleteSteps = 13
activeStatus = "ACTIVE"
errorStatus = "ERROR"
)
// LoadBalancer contains all essential information of kubernetes service.
type LoadBalancer struct {
Name string
ServicePort int
TenantID string
SubnetID string
Protocol string
InternalIP string
ExternalIP string
SessionAffinity bool
Endpoints []Endpoint
}
// Endpoint represents a container endpoint.
type Endpoint struct {
Address string
Port int
}
// LoadBalancerStatus contains the status of a load balancer.
type LoadBalancerStatus struct {
InternalIP string
ExternalIP string
}
// EnsureLoadBalancer ensures a load balancer is created.
func (os *Client) EnsureLoadBalancer(lb *LoadBalancer) (*LoadBalancerStatus, error) {
// removes old one if already exists.
loadbalancer, err := os.getLoadBalanceByName(lb.Name)
if err != nil {
if isNotFound(err) {
// create a new one.
lbOpts := loadbalancers.CreateOpts{
Name: lb.Name,
Description: "Stackube service",
VipSubnetID: lb.SubnetID,
TenantID: lb.TenantID,
}
loadbalancer, err = loadbalancers.Create(os.Network, lbOpts).Extract()
if err != nil {
glog.Errorf("Create load balancer %q failed: %v", lb.Name, err)
return nil, err
}
}
} else {
glog.V(3).Infof("LoadBalancer %s already exists", lb.Name)
}
status, err := os.waitLoadBalancerStatus(loadbalancer.ID)
if err != nil {
glog.Errorf("Waiting for load balancer provision failed: %v", err)
return nil, err
}
glog.V(3).Infof("Load balancer %q becomes %q", lb.Name, status)
// get old listeners
var listener *listeners.Listener
oldListeners, err := os.getListenersByLoadBalancerID(loadbalancer.ID)
if err != nil {
return nil, fmt.Errorf("error getting LB %s listeners: %v", loadbalancer.Name, err)
}
for i := range oldListeners {
l := oldListeners[i]
if l.ProtocolPort == lb.ServicePort {
listener = &l
} else {
// delete the obsolete listener
if err := os.ensureListenerDeleted(loadbalancer.ID, l); err != nil {
return nil, fmt.Errorf("error deleting listener %q: %v", l.Name, err)
}
os.waitLoadBalancerStatus(loadbalancer.ID)
}
}
// create the listener.
if listener == nil {
lisOpts := listeners.CreateOpts{
LoadbalancerID: loadbalancer.ID,
// Only tcp is supported now.
Protocol: listeners.ProtocolTCP,
ProtocolPort: lb.ServicePort,
TenantID: lb.TenantID,
Name: lb.Name,
}
listener, err = listeners.Create(os.Network, lisOpts).Extract()
if err != nil {
glog.Errorf("Create listener %q failed: %v", lb.Name, err)
return nil, err
}
os.waitLoadBalancerStatus(loadbalancer.ID)
}
// create the load balancer pool.
pool, err := os.getPoolByListenerID(loadbalancer.ID, listener.ID)
if err != nil && !isNotFound(err) {
return nil, fmt.Errorf("error getting pool for listener %q: %v", listener.ID, err)
}
if pool == nil {
poolOpts := pools.CreateOpts{
Name: lb.Name,
ListenerID: listener.ID,
Protocol: pools.ProtocolTCP,
LBMethod: pools.LBMethodRoundRobin,
TenantID: lb.TenantID,
}
if lb.SessionAffinity {
poolOpts.Persistence = &pools.SessionPersistence{Type: "SOURCE_IP"}
}
pool, err = pools.Create(os.Network, poolOpts).Extract()
if err != nil {
glog.Errorf("Create pool %q failed: %v", lb.Name, err)
return nil, err
}
os.waitLoadBalancerStatus(loadbalancer.ID)
}
// create load balancer members.
members, err := os.getMembersByPoolID(pool.ID)
if err != nil && !isNotFound(err) {
return nil, fmt.Errorf("error getting members for pool %q: %v", pool.ID, err)
}
for _, ep := range lb.Endpoints {
if !memberExists(members, ep.Address, ep.Port) {
memberName := fmt.Sprintf("%s-%s-%d", lb.Name, ep.Address, ep.Port)
_, err = pools.CreateMember(os.Network, pool.ID, pools.CreateMemberOpts{
Name: memberName,
ProtocolPort: ep.Port,
Address: ep.Address,
SubnetID: lb.SubnetID,
}).Extract()
if err != nil {
glog.Errorf("Create member %q failed: %v", memberName, err)
return nil, err
}
os.waitLoadBalancerStatus(loadbalancer.ID)
} else {
members = popMember(members, ep.Address, ep.Port)
}
}
// delete obsolete members
for _, member := range members {
glog.V(4).Infof("Deleting obsolete member %s for pool %s address %s", member.ID,
pool.ID, member.Address)
err := pools.DeleteMember(os.Network, pool.ID, member.ID).ExtractErr()
if err != nil && !isNotFound(err) {
return nil, fmt.Errorf("error deleting member %s for pool %s address %s: %v",
member.ID, pool.ID, member.Address, err)
}
}
// create loadbalancer monitor.
if pool.MonitorID == "" {
_, err = monitors.Create(os.Network, monitors.CreateOpts{
Name: lb.Name,
Type: monitors.TypeTCP,
PoolID: pool.ID,
TenantID: lb.TenantID,
Delay: defaultMonitorDelay,
Timeout: defaultMonotorTimeout,
MaxRetries: defaultMonitorRetry,
}).Extract()
if err != nil {
glog.Errorf("Create monitor for pool %q failed: %v", pool.ID, err)
return nil, err
}
}
// associate external IP for the vip.
fip, err := os.associateFloatingIP(lb.TenantID, loadbalancer.VipPortID, lb.ExternalIP)
if err != nil {
glog.Errorf("associateFloatingIP for port %q failed: %v", loadbalancer.VipPortID, err)
return nil, err
}
return &LoadBalancerStatus{
InternalIP: loadbalancer.VipAddress,
ExternalIP: fip,
}, nil
}
// GetLoadBalancer gets a load balancer by name.
func (os *Client) GetLoadBalancer(name string) (*LoadBalancer, error) {
// get load balancer
lb, err := os.getLoadBalanceByName(name)
if err != nil {
return nil, err
}
// get listener
listener, err := os.getListenerByName(name)
if err != nil {
return nil, err
}
// get members
endpoints := make([]Endpoint, 0)
for _, pool := range listener.Pools {
for _, m := range pool.Members {
endpoints = append(endpoints, Endpoint{
Address: m.Address,
Port: m.ProtocolPort,
})
}
}
return &LoadBalancer{
Name: lb.Name,
ServicePort: listener.ProtocolPort,
TenantID: lb.TenantID,
SubnetID: lb.VipSubnetID,
Protocol: listener.Protocol,
InternalIP: lb.VipAddress,
SessionAffinity: listener.Pools[0].Persistence.Type != "",
Endpoints: endpoints,
}, nil
}
// LoadBalancerExist returns whether a load balancer has already been exist.
func (os *Client) LoadBalancerExist(name string) (bool, error) {
_, err := os.getLoadBalanceByName(name)
if err != nil {
if isNotFound(err) {
return false, nil
}
return false, err
}
return true, nil
}
// EnsureLoadBalancerDeleted ensures a load balancer is deleted.
func (os *Client) EnsureLoadBalancerDeleted(name string) error {
// get load balancer
lb, err := os.getLoadBalanceByName(name)
if err != nil {
if isNotFound(err) {
return nil
}
return err
}
// delete floatingip
floatingIP, err := os.getFloatingIPByPortID(lb.VipPortID)
if err != nil && !isNotFound(err) {
return fmt.Errorf("error getting floating ip by port %q: %v", lb.VipPortID, err)
}
if floatingIP != nil {
err = floatingips.Delete(os.Network, floatingIP.ID).ExtractErr()
if err != nil && !isNotFound(err) {
return fmt.Errorf("error deleting floating ip %q: %v", floatingIP.ID, err)
}
}
// get listeners and corelative pools and members
var poolIDs []string
var monitorIDs []string
var memberIDs []string
listenerList, err := os.getListenersByLoadBalancerID(lb.ID)
if err != nil {
return fmt.Errorf("Error getting load balancer %s listeners: %v", lb.ID, err)
}
for _, listener := range listenerList {
pool, err := os.getPoolByListenerID(lb.ID, listener.ID)
if err != nil && !isNotFound(err) {
return fmt.Errorf("error getting pool for listener %s: %v", listener.ID, err)
}
poolIDs = append(poolIDs, pool.ID)
if pool.MonitorID != "" {
monitorIDs = append(monitorIDs, pool.MonitorID)
}
}
for _, pool := range poolIDs {
membersList, err := os.getMembersByPoolID(pool)
if err != nil && !isNotFound(err) {
return fmt.Errorf("Error getting pool members %s: %v", pool, err)
}
for _, member := range membersList {
memberIDs = append(memberIDs, member.ID)
}
}
// delete all monitors
for _, monitorID := range monitorIDs {
err := monitors.Delete(os.Network, monitorID).ExtractErr()
if err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(lb.ID)
}
// delete all members and pools
for _, poolID := range poolIDs {
// delete all members for this pool
for _, memberID := range memberIDs {
err := pools.DeleteMember(os.Network, poolID, memberID).ExtractErr()
if err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(lb.ID)
}
// delete pool
err := pools.Delete(os.Network, poolID).ExtractErr()
if err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(lb.ID)
}
// delete all listeners
for _, listener := range listenerList {
err := listeners.Delete(os.Network, listener.ID).ExtractErr()
if err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(lb.ID)
}
// delete the load balancer
err = loadbalancers.Delete(os.Network, lb.ID).ExtractErr()
if err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(lb.ID)
return nil
}
func (os *Client) ensureListenerDeleted(loadbalancerID string, listener listeners.Listener) error {
for _, pool := range listener.Pools {
for _, member := range pool.Members {
// delete member
if err := pools.DeleteMember(os.Network, pool.ID, member.ID).ExtractErr(); err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(loadbalancerID)
}
// delete monitor
if err := monitors.Delete(os.Network, pool.MonitorID).ExtractErr(); err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(loadbalancerID)
// delete pool
if err := pools.Delete(os.Network, pool.ID).ExtractErr(); err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(loadbalancerID)
}
// delete listener
if err := listeners.Delete(os.Network, listener.ID).ExtractErr(); err != nil && !isNotFound(err) {
return err
}
os.waitLoadBalancerStatus(loadbalancerID)
return nil
}
func (os *Client) waitLoadBalancerStatus(loadbalancerID string) (string, error) {
backoff := wait.Backoff{
Duration: loadbalancerActiveInitDealy,
Factor: loadbalancerActiveFactor,
Steps: loadbalancerActiveSteps,
}
var provisioningStatus string
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
loadbalancer, err := loadbalancers.Get(os.Network, loadbalancerID).Extract()
if err != nil {
return false, err
}
provisioningStatus = loadbalancer.ProvisioningStatus
if loadbalancer.ProvisioningStatus == activeStatus {
return true, nil
} else if loadbalancer.ProvisioningStatus == errorStatus {
return true, fmt.Errorf("Loadbalancer has gone into ERROR state")
} else {
return false, nil
}
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("Loadbalancer failed to go into ACTIVE provisioning status within alloted time")
}
return provisioningStatus, err
}
func (os *Client) waitLoadbalancerDeleted(loadbalancerID string) error {
backoff := wait.Backoff{
Duration: loadbalancerDeleteInitDealy,
Factor: loadbalancerDeleteFactor,
Steps: loadbalancerDeleteSteps,
}
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
_, err := loadbalancers.Get(os.Network, loadbalancerID).Extract()
if err != nil {
if err == ErrNotFound {
return true, nil
} else {
return false, err
}
} else {
return false, nil
}
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("Loadbalancer failed to delete within the alloted time")
}
return err
}
func (os *Client) getListenersByLoadBalancerID(id string) ([]listeners.Listener, error) {
var existingListeners []listeners.Listener
err := listeners.List(os.Network, listeners.ListOpts{LoadbalancerID: id}).EachPage(func(page pagination.Page) (bool, error) {
listenerList, err := listeners.ExtractListeners(page)
if err != nil {
return false, err
}
for _, l := range listenerList {
for _, lb := range l.Loadbalancers {
if lb.ID == id {
existingListeners = append(existingListeners, l)
break
}
}
}
return true, nil
})
if err != nil {
return nil, err
}
return existingListeners, nil
}
func (os *Client) getLoadBalanceByName(name string) (*loadbalancers.LoadBalancer, error) {
var lb *loadbalancers.LoadBalancer
opts := loadbalancers.ListOpts{Name: name}
pager := loadbalancers.List(os.Network, opts)
err := pager.EachPage(func(page pagination.Page) (bool, error) {
lbs, err := loadbalancers.ExtractLoadBalancers(page)
if err != nil {
return false, err
}
switch len(lbs) {
case 0:
return false, ErrNotFound
case 1:
lb = &lbs[0]
return true, nil
default:
return false, ErrMultipleResults
}
})
if err != nil {
return nil, err
}
if lb == nil {
return nil, ErrNotFound
}
return lb, nil
}
func (os *Client) getPoolByListenerID(loadbalancerID string, listenerID string) (*pools.Pool, error) {
listenerPools := make([]pools.Pool, 0, 1)
err := pools.List(os.Network, pools.ListOpts{LoadbalancerID: loadbalancerID}).EachPage(
func(page pagination.Page) (bool, error) {
poolsList, err := pools.ExtractPools(page)
if err != nil {
return false, err
}
for _, p := range poolsList {
for _, l := range p.Listeners {
if l.ID == listenerID {
listenerPools = append(listenerPools, p)
}
}
}
if len(listenerPools) > 1 {
return false, ErrMultipleResults
}
return true, nil
})
if err != nil {
if isNotFound(err) {
return nil, ErrNotFound
}
return nil, err
}
if len(listenerPools) == 0 {
return nil, ErrNotFound
} else if len(listenerPools) > 1 {
return nil, ErrMultipleResults
}
return &listenerPools[0], nil
}
// getPoolByName gets openstack pool by name.
func (os *Client) getPoolByName(name string) (*pools.Pool, error) {
var pool *pools.Pool
opts := pools.ListOpts{Name: name}
pager := pools.List(os.Network, opts)
err := pager.EachPage(func(page pagination.Page) (bool, error) {
ps, err := pools.ExtractPools(page)
if err != nil {
return false, err
}
switch len(ps) {
case 0:
return false, ErrNotFound
case 1:
pool = &ps[0]
return true, nil
default:
return false, ErrMultipleResults
}
})
if err != nil {
return nil, err
}
if pool == nil {
return nil, ErrNotFound
}
return pool, nil
}
func (os *Client) getListenerByName(name string) (*listeners.Listener, error) {
var listener *listeners.Listener
opts := listeners.ListOpts{Name: name}
pager := listeners.List(os.Network, opts)
err := pager.EachPage(func(page pagination.Page) (bool, error) {
lists, err := listeners.ExtractListeners(page)
if err != nil {
return false, err
}
switch len(lists) {
case 0:
return false, ErrNotFound
case 1:
listener = &lists[0]
return true, nil
default:
return false, ErrMultipleResults
}
})
if err != nil {
return nil, err
}
if listener == nil {
return nil, ErrNotFound
}
return listener, nil
}
func (os *Client) getMembersByPoolID(id string) ([]pools.Member, error) {
var members []pools.Member
err := pools.ListMembers(os.Network, id, pools.ListMembersOpts{}).EachPage(func(page pagination.Page) (bool, error) {
membersList, err := pools.ExtractMembers(page)
if err != nil {
return false, err
}
members = append(members, membersList...)
return true, nil
})
if err != nil {
return nil, err
}
return members, nil
}
func (os *Client) getFloatingIPByPortID(portID string) (*floatingips.FloatingIP, error) {
opts := floatingips.ListOpts{
PortID: portID,
}
pager := floatingips.List(os.Network, opts)
floatingIPList := make([]floatingips.FloatingIP, 0, 1)
err := pager.EachPage(func(page pagination.Page) (bool, error) {
f, err := floatingips.ExtractFloatingIPs(page)
if err != nil {
return false, err
}
floatingIPList = append(floatingIPList, f...)
if len(floatingIPList) > 1 {
return false, ErrMultipleResults
}
return true, nil
})
if err != nil {
if isNotFound(err) {
return nil, ErrNotFound
}
return nil, err
}
if len(floatingIPList) == 0 {
return nil, ErrNotFound
} else if len(floatingIPList) > 1 {
return nil, ErrMultipleResults
}
return &floatingIPList[0], nil
}
// Check if a member exists for node
func memberExists(members []pools.Member, addr string, port int) bool {
for _, member := range members {
if member.Address == addr && member.ProtocolPort == port {
return true
}
}
return false
}
func (os *Client) associateFloatingIP(tenantID, portID, floatingIPAddress string) (string, error) {
var fip *floatingips.FloatingIP
opts := floatingips.ListOpts{FloatingIP: floatingIPAddress}
pager := floatingips.List(os.Network, opts)
err := pager.EachPage(func(page pagination.Page) (bool, error) {
floatingipList, err := floatingips.ExtractFloatingIPs(page)
if err != nil {
return false, err
}
if len(floatingipList) > 0 {
fip = &floatingipList[0]
}
return true, nil
})
if err != nil {
return "", err
}
if fip != nil {
if fip.PortID != "" {
if fip.PortID == portID {
glog.V(3).Infof("FIP %q has already been associated with port %q", floatingIPAddress, portID)
return fip.FloatingIP, nil
}
// fip has already been used
return fip.FloatingIP, fmt.Errorf("FloatingIP %v is already been binded to %v", floatingIPAddress, fip.PortID)
}
// Update floatingip
floatOpts := floatingips.UpdateOpts{PortID: &portID}
_, err = floatingips.Update(os.Network, fip.ID, floatOpts).Extract()
if err != nil {
glog.Errorf("Bind floatingip %v to %v failed: %v", floatingIPAddress, portID, err)
return "", err
}
} else {
// Create floatingip
opts := floatingips.CreateOpts{
FloatingNetworkID: os.ExtNetID,
TenantID: tenantID,
FloatingIP: floatingIPAddress,
PortID: portID,
}
fip, err = floatingips.Create(os.Network, opts).Extract()
if err != nil {
glog.Errorf("Create floatingip failed: %v", err)
return "", err
}
}
return fip.FloatingIP, nil
}
func popMember(members []pools.Member, addr string, port int) []pools.Member {
for i, member := range members {
if member.Address == addr && member.ProtocolPort == port {
members[i] = members[len(members)-1]
members = members[:len(members)-1]
}
}
return members
}
func isNotFound(err error) bool {
if err == ErrNotFound {
return true
}
if _, ok := err.(*gophercloud.ErrResourceNotFound); ok {
return true
}
if _, ok := err.(*gophercloud.ErrDefault404); ok {
return true
}
return false
}

9
pkg/proxy/helpers.go
View File

@ -197,15 +197,6 @@ func getServiceHealthCheckNodePort(service *v1.Service) int32 {
return service.Spec.HealthCheckNodePort
}
func loadBalancerStatusDeepCopy(lb *v1.LoadBalancerStatus) *v1.LoadBalancerStatus {
c := &v1.LoadBalancerStatus{}
c.Ingress = make([]v1.LoadBalancerIngress, len(lb.Ingress))
for i := range lb.Ingress {
c.Ingress[i] = lb.Ingress[i]
}
return c
}
func getRouterNetns(routerID string) string {
return "qrouter-" + routerID
}

10
pkg/proxy/proxier.go
View File

@ -24,7 +24,7 @@ import (
)
const (
defaultSyncPerios = 15 * time.Minute
defaultResyncPeriod = 15 * time.Minute
minSyncPeriod = 5 * time.Second
syncPeriod = 30 * time.Second
burstSyncs = 2
@ -81,7 +81,7 @@ func NewProxier(kubeConfig, openstackConfig string) (*Proxier, error) {
return nil, fmt.Errorf("failed to build clientset: %v", err)
}
factory := informers.NewSharedInformerFactory(clientset, defaultSyncPerios)
factory := informers.NewSharedInformerFactory(clientset, defaultResyncPeriod)
proxier := &Proxier{
kubeClientset: clientset,
osClient: osClient,
@ -488,7 +488,7 @@ func (p *Proxier) syncProxyRules() {
// Step 3: compose iptables chain.
netns := getRouterNetns(nsInfo.router)
if !netnsExist(netns) {
glog.V(3).Infof("Netns %q doesn't exist, omit the service")
glog.V(3).Infof("Netns %q doesn't exist, omit the services in namespace %q", netns, namespace)
continue
}
@ -522,8 +522,8 @@ func (p *Proxier) syncProxyRules() {
svcNameString := svcInfo.serviceNameString
// Step 5.1: check service type.
// Only ClusterIP service is supported now.
// TODO: support other types of services.
// Only ClusterIP service is supported. NodePort service is not supported since networks are L2 isolated.
// LoadBalancer service is handled in service controller.
if svcInfo.serviceType != v1.ServiceTypeClusterIP {
glog.V(3).Infof("Only ClusterIP service is supported, omitting service %q", svcName.NamespacedName)
continue

3
pkg/proxy/types.go
View File

@ -9,6 +9,7 @@ import (
"github.com/golang/glog"
"git.openstack.org/openstack/stackube/pkg/util"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/sets"
@ -93,7 +94,7 @@ func newServiceInfo(svcPortName servicePortName, port *v1.ServicePort, service *
nodePort: int(port.NodePort),
serviceType: service.Spec.Type,
// Deep-copy in case the service instance changes
loadBalancerStatus: *loadBalancerStatusDeepCopy(&service.Status.LoadBalancer),
loadBalancerStatus: *util.LoadBalancerStatusDeepCopy(&service.Status.LoadBalancer),
sessionAffinityType: service.Spec.SessionAffinity,
stickyMaxAgeMinutes: 180,
externalIPs: make([]string, len(service.Spec.ExternalIPs)),

19
pkg/service-controller/helpers.go Normal file
View File

@ -0,0 +1,19 @@
package service
import (
"fmt"
"k8s.io/api/core/v1"
)
const (
lbPrefix = "stackube"
)
func buildServiceName(service *v1.Service) string {
return fmt.Sprintf("%s_%s", service.Namespace, service.Name)
}
func buildLoadBalancerName(service *v1.Service) string {
return fmt.Sprintf("%s_%s_%s", lbPrefix, service.Namespace, service.Name)
}

671
pkg/service-controller/service_controller.go Normal file
View File

@ -0,0 +1,671 @@
package service
import (
"fmt"
"reflect"
"sync"
"time"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/informers"
informersV1 "k8s.io/client-go/informers/core/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/workqueue"
"git.openstack.org/openstack/stackube/pkg/openstack"
"git.openstack.org/openstack/stackube/pkg/util"
"github.com/golang/glog"
)
const (
// Interval of synchronizing service status from apiserver
serviceSyncPeriod = 30 * time.Second
resyncPeriod = 5 * time.Minute
// How long to wait before retrying the processing of a service change.
minRetryDelay = 5 * time.Second
maxRetryDelay = 300 * time.Second
clientRetryCount = 5
clientRetryInterval = 5 * time.Second
concurrentServiceSyncs = 1
retryable = true
notRetryable = false
doNotRetry = time.Duration(0)
)
type cachedService struct {
// The cached state of the service
state *v1.Service
// Controls error back-off
lastRetryDelay time.Duration
}
type serviceCache struct {
mu sync.Mutex // protects serviceMap
serviceMap map[string]*cachedService
}
type ServiceController struct {
cache *serviceCache
kubeClientset *kubernetes.Clientset
osClient *openstack.Client
factory informers.SharedInformerFactory
serviceInformer informersV1.ServiceInformer
endpointInformer informersV1.EndpointsInformer
// services that need to be synced
workingQueue workqueue.DelayingInterface
}
// NewServiceController returns a new service controller to keep openstack lbaas resources
// (load balancers) in sync with the registry.
func NewServiceController(kubeClient *kubernetes.Clientset,
osClient *openstack.Client) (*ServiceController, error) {
factory := informers.NewSharedInformerFactory(kubeClient, resyncPeriod)
s := &ServiceController{
osClient: osClient,
factory: factory,
kubeClientset: kubeClient,
cache: &serviceCache{serviceMap: make(map[string]*cachedService)},
workingQueue: workqueue.NewNamedDelayingQueue("service"),
serviceInformer: factory.Core().V1().Services(),
endpointInformer: factory.Core().V1().Endpoints(),
}
s.serviceInformer.Informer().AddEventHandlerWithResyncPeriod(
cache.ResourceEventHandlerFuncs{
AddFunc: s.enqueueService,
UpdateFunc: func(old, cur interface{}) {
oldSvc, ok1 := old.(*v1.Service)
curSvc, ok2 := cur.(*v1.Service)
if ok1 && ok2 && s.needsUpdate(oldSvc, curSvc) {
s.enqueueService(cur)
}
},
DeleteFunc: s.enqueueService,
},
serviceSyncPeriod,
)
s.endpointInformer.Informer().AddEventHandlerWithResyncPeriod(
cache.ResourceEventHandlerFuncs{
AddFunc: s.enqueueEndpoints,
UpdateFunc: func(old, cur interface{}) {
oldEndpoint, ok1 := old.(*v1.Endpoints)
curEndpoint, ok2 := cur.(*v1.Endpoints)
if ok1 && ok2 && s.needsUpdateEndpoint(oldEndpoint, curEndpoint) {
s.enqueueEndpoints(cur)
}
},
DeleteFunc: s.enqueueEndpoints,
},
serviceSyncPeriod,
)
return s, nil
}
// obj could be an *v1.Service, or a DeletionFinalStateUnknown marker item.
func (s *ServiceController) enqueueService(obj interface{}) {
key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(obj)
if err != nil {
glog.Errorf("Couldn't get key for object %#v: %v", obj, err)
return
}
s.workingQueue.Add(key)
}
// Run starts a background goroutine that watches for changes to services that
// have (or had) LoadBalancers=true and ensures that they have
// load balancers created and deleted appropriately.
// serviceSyncPeriod controls how often we check the cluster's services to
// ensure that the correct load balancers exist.
//
// It's an error to call Run() more than once for a given ServiceController
// object.
func (s *ServiceController) Run(stopCh <-chan struct{}) error {
defer runtime.HandleCrash()
defer s.workingQueue.ShutDown()
glog.Info("Starting service controller")
defer glog.Info("Shutting down service controller")
go s.factory.Start(stopCh)
if !cache.WaitForCacheSync(stopCh, s.serviceInformer.Informer().HasSynced) {
return fmt.Errorf("failed to cache services")
}
if !cache.WaitForCacheSync(stopCh, s.endpointInformer.Informer().HasSynced) {
return fmt.Errorf("failed to cache endpoints")
}
glog.Infof("Service informer cached")
for i := 0; i < concurrentServiceSyncs; i++ {
go wait.Until(s.worker, time.Second, stopCh)
}
<-stopCh
return nil
}
// obj could be an *v1.Endpoint, or a DeletionFinalStateUnknown marker item.
func (s *ServiceController) enqueueEndpoints(obj interface{}) {
key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(obj)
if err != nil {
glog.Errorf("Couldn't get key for object %#v: %v", obj, err)
return
}
s.workingQueue.Add(key)
}
// worker runs a worker thread that just dequeues items, processes them, and marks them done.
// It enforces that the syncHandler is never invoked concurrently with the same key.
func (s *ServiceController) worker() {
for {
func() {
key, quit := s.workingQueue.Get()
if quit {
return
}
defer s.workingQueue.Done(key)
err := s.syncService(key.(string))
if err != nil {
glog.Errorf("Error syncing service: %v", err)
}
}()
}
}
// Returns an error if processing the service update failed, along with a time.Duration
// indicating whether processing should be retried; zero means no-retry; otherwise
// we should retry in that Duration.
func (s *ServiceController) processServiceUpdate(cachedService *cachedService, service *v1.Service,
key string) (error, time.Duration) {
// cache the service, we need the info for service deletion
cachedService.state = service
err, retry := s.createLoadBalancerIfNeeded(key, service)
if err != nil {
message := "Error creating load balancer"
if retry {
message += " (will retry): "
} else {
message += " (will not retry): "
}
message += err.Error()
glog.V(3).Infof("Create service %q failed: %v, message: %q", buildServiceName(service), err, message)
return err, cachedService.nextRetryDelay()
}
// Always update the cache upon success.
// NOTE: Since we update the cached service if and only if we successfully
// processed it, a cached service being nil implies that it hasn't yet
// been successfully processed.
s.cache.set(key, cachedService)
cachedService.resetRetryDelay()
return nil, doNotRetry
}
// Returns whatever error occurred along with a boolean indicator of whether it should be retried.
func (s *ServiceController) createLoadBalancerIfNeeded(key string, service *v1.Service) (error, bool) {
// Save the state so we can avoid a write if it doesn't change
previousState := util.LoadBalancerStatusDeepCopy(&service.Status.LoadBalancer)
var newState *v1.LoadBalancerStatus
var err error
lbName := buildLoadBalancerName(service)
if !wantsLoadBalancer(service) {
needDelete := true
exists, err := s.osClient.LoadBalancerExist(lbName)
if err != nil {
return fmt.Errorf("Error getting LB for service %s: %v", key, err), retryable
}
if !exists {
needDelete = false
}
if needDelete {
glog.Infof("Deleting existing load balancer for service %s that no longer needs a load balancer.", key)
if err := s.osClient.EnsureLoadBalancerDeleted(lbName); err != nil {
glog.Errorf("EnsureLoadBalancerDeleted %q failed: %v", lbName, err)
return err, retryable
}
}
newState = &v1.LoadBalancerStatus{}
} else {
glog.V(2).Infof("Ensuring LB for service %s", key)
// The load balancer doesn't exist yet, so create it.
newState, err = s.createLoadBalancer(service)
if err != nil {
return fmt.Errorf("Failed to create load balancer for service %s: %v", key, err), retryable
}
glog.V(3).Infof("LoadBalancer %q created", lbName)
}
// Write the state if changed
// TODO: Be careful here ... what if there were other changes to the service?
if !util.LoadBalancerStatusEqual(previousState, newState) {
// Make a copy so we don't mutate the shared informer cache
copy, err := scheme.Scheme.DeepCopy(service)
if err != nil {
return err, retryable
}
service = copy.(*v1.Service)
// Update the status on the copy
service.Status.LoadBalancer = *newState
if err := s.persistUpdate(service); err != nil {
return fmt.Errorf("Failed to persist updated status to apiserver, even after retries. Giving up: %v", err), notRetryable
}
} else {
glog.V(2).Infof("Not persisting unchanged LoadBalancerStatus for service %s to kubernetes.", key)
}
return nil, notRetryable
}
func (s *ServiceController) persistUpdate(service *v1.Service) error {
var err error
for i := 0; i < clientRetryCount; i++ {
_, err = s.kubeClientset.CoreV1Client.Services(service.Namespace).UpdateStatus(service)
if err == nil {
return nil
}
// If the object no longer exists, we don't want to recreate it. Just bail
// out so that we can process the delete, which we should soon be receiving
// if we haven't already.
if errors.IsNotFound(err) {
glog.Infof("Not persisting update to service '%s/%s' that no longer exists: %v",
service.Namespace, service.Name, err)
return nil
}
// TODO: Try to resolve the conflict if the change was unrelated to load
// balancer status. For now, just pass it up the stack.
if errors.IsConflict(err) {
return fmt.Errorf("Not persisting update to service '%s/%s' that has been changed since we received it: %v",
service.Namespace, service.Name, err)
}
glog.Warningf("Failed to persist updated LoadBalancerStatus to service '%s/%s' after creating its load balancer: %v",
service.Namespace, service.Name, err)
time.Sleep(clientRetryInterval)
}
return err
}
func (s *ServiceController) createLoadBalancer(service *v1.Service) (*v1.LoadBalancerStatus, error) {
// Only one protocol and one externalIPs supported per service.
if len(service.Spec.ExternalIPs) > 1 {
return nil, fmt.Errorf("multiple floatingips are not supported")
}
if len(service.Spec.Ports) > 1 {
return nil, fmt.Errorf("multiple floatingips are not supported")
}
// Only support one network and network's name is same with namespace.
networkName := util.BuildNetworkName(service.Namespace, service.Namespace)
network, err := s.osClient.GetNetwork(networkName)
if err != nil {
glog.Errorf("Get network by name %q failed: %v", networkName, err)
return nil, err
}
// get endpoints for the service.
endpoints, err := s.getEndpoints(service)
if err != nil {
glog.Errorf("Get endpoints for service %q failed: %v", buildServiceName(service), err)
return nil, err
}
// create the loadbalancer.
lbName := buildLoadBalancerName(service)
svcPort := service.Spec.Ports[0]
externalIP := ""
if len(service.Spec.ExternalIPs) > 0 {
externalIP = service.Spec.ExternalIPs[0]
}
lb, err := s.osClient.EnsureLoadBalancer(&openstack.LoadBalancer{
Name: lbName,
Endpoints: endpoints,
ServicePort: int(svcPort.Port),
TenantID: network.TenantID,
SubnetID: network.Subnets[0].Uid,
Protocol: string(svcPort.Protocol),
ExternalIP: externalIP,
SessionAffinity: service.Spec.SessionAffinity != v1.ServiceAffinityNone,
})
if err != nil {
glog.Errorf("EnsureLoadBalancer %q failed: %v", lbName, err)
return nil, err
}
return &v1.LoadBalancerStatus{
Ingress: []v1.LoadBalancerIngress{{IP: lb.ExternalIP}},
}, nil
}
func (s *ServiceController) getEndpoints(service *v1.Service) ([]openstack.Endpoint, error) {
endpoints, err := s.kubeClientset.CoreV1Client.Endpoints(service.Namespace).Get(service.Name, metav1.GetOptions{})
if err != nil {
return nil, err
}
results := make([]openstack.Endpoint, 0)
for i := range endpoints.Subsets {
ep := endpoints.Subsets[i]
for _, ip := range ep.Addresses {
for _, port := range ep.Ports {
results = append(results, openstack.Endpoint{
Address: ip.IP,
Port: int(port.Port),
})
}
}
}
return results, nil
}
// ListKeys implements the interface required by DeltaFIFO to list the keys we
// already know about.
func (s *serviceCache) ListKeys() []string {
s.mu.Lock()
defer s.mu.Unlock()
keys := make([]string, 0, len(s.serviceMap))
for k := range s.serviceMap {
keys = append(keys, k)
}
return keys
}
// GetByKey returns the value stored in the serviceMap under the given key
func (s *serviceCache) GetByKey(key string) (interface{}, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
if v, ok := s.serviceMap[key]; ok {
return v, true, nil
}
return nil, false, nil
}
// ListKeys implements the interface required by DeltaFIFO to list the keys we
// already know about.
func (s *serviceCache) allServices() []*v1.Service {
s.mu.Lock()
defer s.mu.Unlock()
services := make([]*v1.Service, 0, len(s.serviceMap))
for _, v := range s.serviceMap {
services = append(services, v.state)
}
return services
}
func (s *serviceCache) get(serviceName string) (*cachedService, bool) {
s.mu.Lock()
defer s.mu.Unlock()
service, ok := s.serviceMap[serviceName]
return service, ok
}
func (s *serviceCache) getOrCreate(serviceName string) *cachedService {
s.mu.Lock()
defer s.mu.Unlock()
service, ok := s.serviceMap[serviceName]
if !ok {
service = &cachedService{}
s.serviceMap[serviceName] = service
}
return service
}
func (s *serviceCache) set(serviceName string, service *cachedService) {
s.mu.Lock()
defer s.mu.Unlock()
s.serviceMap[serviceName] = service
}
func (s *serviceCache) delete(serviceName string) {
s.mu.Lock()
defer s.mu.Unlock()
delete(s.serviceMap, serviceName)
}
func (s *ServiceController) needsUpdateEndpoint(oldEndpoint, newEndpoint *v1.Endpoints) bool {
if len(oldEndpoint.Subsets) != len(newEndpoint.Subsets) {
return true
}
if !reflect.DeepEqual(oldEndpoint.Subsets, newEndpoint.Subsets) {
return true
}
return false
}
func (s *ServiceController) needsUpdate(oldService *v1.Service, newService *v1.Service) bool {
if !wantsLoadBalancer(oldService) && !wantsLoadBalancer(newService) {
return false
}
if wantsLoadBalancer(oldService) != wantsLoadBalancer(newService) {
glog.V(3).Infof("service %q's type changed to LoadBalancer", buildServiceName(newService))
return true
}
if wantsLoadBalancer(newService) && !reflect.DeepEqual(oldService.Spec.LoadBalancerSourceRanges, newService.Spec.LoadBalancerSourceRanges) {
glog.V(3).Infof("service %q's LoadBalancerSourceRanges changed: %v -> %v", buildServiceName(newService),
oldService.Spec.LoadBalancerSourceRanges, newService.Spec.LoadBalancerSourceRanges)
return true
}
if !portsEqualForLB(oldService, newService) || oldService.Spec.SessionAffinity != newService.Spec.SessionAffinity {
return true
}
if !loadBalancerIPsAreEqual(oldService, newService) {
glog.V(3).Infof("service %q's LoadbalancerIP changed: %v -> %v", buildServiceName(newService),
oldService.Spec.LoadBalancerIP, newService.Spec.LoadBalancerIP)
return true
}
if len(oldService.Spec.ExternalIPs) != len(newService.Spec.ExternalIPs) {
glog.V(3).Infof("service %q's ExternalIPs changed: %v -> %v", buildServiceName(newService),
len(oldService.Spec.ExternalIPs), len(newService.Spec.ExternalIPs))
return true
}
for i := range oldService.Spec.ExternalIPs {
if oldService.Spec.ExternalIPs[i] != newService.Spec.ExternalIPs[i] {
glog.V(3).Infof("service %q's ExternalIP added: %v", buildServiceName(newService),
newService.Spec.ExternalIPs[i])
return true
}
}
if !reflect.DeepEqual(oldService.Annotations, newService.Annotations) {
return true
}
if oldService.UID != newService.UID {
glog.V(3).Infof("service %q's UID changed: %v -> %v", buildServiceName(newService),
oldService.UID, newService.UID)
return true
}
if oldService.Spec.ExternalTrafficPolicy != newService.Spec.ExternalTrafficPolicy {
glog.V(3).Infof("service %q's ExternalTrafficPolicy changed: %v -> %v", buildServiceName(newService),
oldService.Spec.ExternalTrafficPolicy, newService.Spec.ExternalTrafficPolicy)
return true
}
return false
}
func getPortsForLB(service *v1.Service) ([]*v1.ServicePort, error) {
var protocol v1.Protocol
ports := []*v1.ServicePort{}
for i := range service.Spec.Ports {
sp := &service.Spec.Ports[i]
// The check on protocol was removed here. The cloud provider itself is now responsible for all protocol validation
ports = append(ports, sp)
if protocol == "" {
protocol = sp.Protocol
} else if protocol != sp.Protocol && wantsLoadBalancer(service) {
// TODO: Convert error messages to use event recorder
return nil, fmt.Errorf("mixed protocol external load balancers are not supported.")
}
}
return ports, nil
}
func portsEqualForLB(x, y *v1.Service) bool {
xPorts, err := getPortsForLB(x)
if err != nil {
return false
}
yPorts, err := getPortsForLB(y)
if err != nil {
return false
}
return portSlicesEqualForLB(xPorts, yPorts)
}
func portSlicesEqualForLB(x, y []*v1.ServicePort) bool {
if len(x) != len(y) {
return false
}
for i := range x {
if !portEqualForLB(x[i], y[i]) {
return false
}
}
return true
}
func portEqualForLB(x, y *v1.ServicePort) bool {
// TODO: Should we check name? (In theory, an LB could expose it)
if x.Name != y.Name {
return false
}
if x.Protocol != y.Protocol {
return false
}
if x.Port != y.Port {
return false
}
// We don't check TargetPort; that is not relevant for load balancing
// TODO: Should we blank it out? Or just check it anyway?
return true
}
func wantsLoadBalancer(service *v1.Service) bool {
return service.Spec.Type == v1.ServiceTypeLoadBalancer
}
func loadBalancerIPsAreEqual(oldService, newService *v1.Service) bool {
return oldService.Spec.LoadBalancerIP == newService.Spec.LoadBalancerIP
}
// Computes the next retry, using exponential backoff
// mutex must be held.
func (s *cachedService) nextRetryDelay() time.Duration {
s.lastRetryDelay = s.lastRetryDelay * 2
if s.lastRetryDelay < minRetryDelay {
s.lastRetryDelay = minRetryDelay
}
if s.lastRetryDelay > maxRetryDelay {
s.lastRetryDelay = maxRetryDelay
}
return s.lastRetryDelay
}
// Resets the retry exponential backoff. mutex must be held.
func (s *cachedService) resetRetryDelay() {
s.lastRetryDelay = time.Duration(0)
}
// syncService will sync the Service with the given key if it has had its expectations fulfilled,
// meaning it did not expect to see any more of its pods created or deleted. This function is not meant to be
// invoked concurrently with the same key.
func (s *ServiceController) syncService(key string) error {
startTime := time.Now()
var cachedService *cachedService
var retryDelay time.Duration
defer func() {
glog.V(4).Infof("Finished syncing service %q (%v)", key, time.Now().Sub(startTime))
}()
namespace, name, err := cache.SplitMetaNamespaceKey(key)
if err != nil {
return err
}
// service holds the latest service info from apiserver
service, err := s.serviceInformer.Lister().Services(namespace).Get(name)
switch {
case errors.IsNotFound(err):
// service absence in store means watcher caught the deletion, ensure LB info is cleaned
glog.Infof("Service has been deleted %v", key)
err, retryDelay = s.processServiceDeletion(key)
case err != nil:
glog.Infof("Unable to retrieve service %v from store: %v", key, err)
s.workingQueue.Add(key)
return err
default:
cachedService = s.cache.getOrCreate(key)
err, retryDelay = s.processServiceUpdate(cachedService, service, key)
}
if retryDelay != 0 {
// Add the failed service back to the queue so we'll retry it.
glog.Errorf("Failed to process service. Retrying in %s: %v", retryDelay, err)
go func(obj interface{}, delay time.Duration) {
// put back the service key to working queue, it is possible that more entries of the service
// were added into the queue during the delay, but it does not mess as when handling the retry,
// it always get the last service info from service store
s.workingQueue.AddAfter(obj, delay)
}(key, retryDelay)
} else if err != nil {
runtime.HandleError(fmt.Errorf("Failed to process service. Not retrying: %v", err))
}
return nil
}
// Returns an error if processing the service deletion failed, along with a time.Duration
// indicating whether processing should be retried; zero means no-retry; otherwise
// we should retry after that Duration.
func (s *ServiceController) processServiceDeletion(key string) (error, time.Duration) {
cachedService, ok := s.cache.get(key)
if !ok {
return fmt.Errorf("Service %s not in cache even though the watcher thought it was. Ignoring the deletion.", key), doNotRetry
}
service := cachedService.state
// delete load balancer info only if the service type is LoadBalancer
if !wantsLoadBalancer(service) {
return nil, doNotRetry
}
lbName := buildLoadBalancerName(service)
err := s.osClient.EnsureLoadBalancerDeleted(lbName)
if err != nil {
glog.Errorf("Error deleting load balancer (will retry): %v", err)
return err, cachedService.nextRetryDelay()
}
glog.V(3).Infof("Loadbalancer %q deleted", lbName)
s.cache.delete(key)
cachedService.resetRetryDelay()
return nil, doNotRetry
}

36
pkg/util/k8s_util.go
View File

@ -4,6 +4,7 @@ import (
"fmt"
"time"
"k8s.io/api/core/v1"
apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -67,3 +68,38 @@ func WaitForCRDReady(clientset apiextensionsclient.Interface, crdName string) er
}
return nil
}
func LoadBalancerStatusDeepCopy(lb *v1.LoadBalancerStatus) *v1.LoadBalancerStatus {
c := &v1.LoadBalancerStatus{}
c.Ingress = make([]v1.LoadBalancerIngress, len(lb.Ingress))
for i := range lb.Ingress {
c.Ingress[i] = lb.Ingress[i]
}
return c
}
func LoadBalancerStatusEqual(l, r *v1.LoadBalancerStatus) bool {
return ingressSliceEqual(l.Ingress, r.Ingress)
}
func ingressSliceEqual(lhs, rhs []v1.LoadBalancerIngress) bool {
if len(lhs) != len(rhs) {
return false
}
for i := range lhs {
if !ingressEqual(&lhs[i], &rhs[i]) {
return false
}
}
return true
}
func ingressEqual(lhs, rhs *v1.LoadBalancerIngress) bool {
if lhs.IP != rhs.IP {
return false
}
if lhs.Hostname != rhs.Hostname {
return false
}
return true
}

4
pkg/util/util.go
View File

@ -2,6 +2,7 @@ package util
import (
"errors"
apiv1 "k8s.io/api/core/v1"
)
@ -19,7 +20,8 @@ var ErrMultipleResults = errors.New("MultipleResults")
func BuildNetworkName(namespace, name string) string {
if IsSystemNamespace(namespace) {
namespace = SystemTenant
// All system namespaces shares same network.
return namePrefix + "-" + SystemTenant + "-" + SystemTenant
}
return namePrefix + "-" + namespace + "-" + name
}

146
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/floatingips/requests.go generated vendored Normal file
View File

@ -0,0 +1,146 @@
package floatingips
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// ListOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the floating IP attributes you want to see returned. SortKey allows you to
// sort by a particular network attribute. SortDir sets the direction, and is
// either `asc' or `desc'. Marker and Limit are used for pagination.
type ListOpts struct {
ID string `q:"id"`
FloatingNetworkID string `q:"floating_network_id"`
PortID string `q:"port_id"`
FixedIP string `q:"fixed_ip_address"`
FloatingIP string `q:"floating_ip_address"`
TenantID string `q:"tenant_id"`
Limit int `q:"limit"`
Marker string `q:"marker"`
SortKey string `q:"sort_key"`
SortDir string `q:"sort_dir"`
RouterID string `q:"router_id"`
}
// List returns a Pager which allows you to iterate over a collection of
// floating IP resources. It accepts a ListOpts struct, which allows you to
// filter and sort the returned collection for greater efficiency.
func List(c *gophercloud.ServiceClient, opts ListOpts) pagination.Pager {
q, err := gophercloud.BuildQueryString(&opts)
if err != nil {
return pagination.Pager{Err: err}
}
u := rootURL(c) + q.String()
return pagination.NewPager(c, u, func(r pagination.PageResult) pagination.Page {
return FloatingIPPage{pagination.LinkedPageBase{PageResult: r}}
})
}
// CreateOptsBuilder is the interface type must satisfy to be used as Create
// options.
type CreateOptsBuilder interface {
ToFloatingIPCreateMap() (map[string]interface{}, error)
}
// CreateOpts contains all the values needed to create a new floating IP
// resource. The only required fields are FloatingNetworkID and PortID which
// refer to the external network and internal port respectively.
type CreateOpts struct {
FloatingNetworkID string `json:"floating_network_id" required:"true"`
FloatingIP string `json:"floating_ip_address,omitempty"`
PortID string `json:"port_id,omitempty"`
FixedIP string `json:"fixed_ip_address,omitempty"`
TenantID string `json:"tenant_id,omitempty"`
}
// ToFloatingIPCreateMap allows CreateOpts to satisfy the CreateOptsBuilder
// interface
func (opts CreateOpts) ToFloatingIPCreateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "floatingip")
}
// Create accepts a CreateOpts struct and uses the values provided to create a
// new floating IP resource. You can create floating IPs on external networks
// only. If you provide a FloatingNetworkID which refers to a network that is
// not external (i.e. its `router:external' attribute is False), the operation
// will fail and return a 400 error.
//
// If you do not specify a FloatingIP address value, the operation will
// automatically allocate an available address for the new resource. If you do
// choose to specify one, it must fall within the subnet range for the external
// network - otherwise the operation returns a 400 error. If the FloatingIP
// address is already in use, the operation returns a 409 error code.
//
// You can associate the new resource with an internal port by using the PortID
// field. If you specify a PortID that is not valid, the operation will fail and
// return 404 error code.
//
// You must also configure an IP address for the port associated with the PortID
// you have provided - this is what the FixedIP refers to: an IP fixed to a port.
// Because a port might be associated with multiple IP addresses, you can use
// the FixedIP field to associate a particular IP address rather than have the
// API assume for you. If you specify an IP address that is not valid, the
// operation will fail and return a 400 error code. If the PortID and FixedIP
// are already associated with another resource, the operation will fail and
// returns a 409 error code.
func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
b, err := opts.ToFloatingIPCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Post(rootURL(c), b, &r.Body, nil)
return
}
// Get retrieves a particular floating IP resource based on its unique ID.
func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
_, r.Err = c.Get(resourceURL(c, id), &r.Body, nil)
return
}
// UpdateOptsBuilder is the interface type must satisfy to be used as Update
// options.
type UpdateOptsBuilder interface {
ToFloatingIPUpdateMap() (map[string]interface{}, error)
}
// UpdateOpts contains the values used when updating a floating IP resource. The
// only value that can be updated is which internal port the floating IP is
// linked to. To associate the floating IP with a new internal port, provide its
// ID. To disassociate the floating IP from all ports, provide an empty string.
type UpdateOpts struct {
PortID *string `json:"port_id"`
}
// ToFloatingIPUpdateMap allows UpdateOpts to satisfy the UpdateOptsBuilder
// interface
func (opts UpdateOpts) ToFloatingIPUpdateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "floatingip")
}
// Update allows floating IP resources to be updated. Currently, the only way to
// "update" a floating IP is to associate it with a new internal port, or
// disassociated it from all ports. See UpdateOpts for instructions of how to
// do this.
func Update(c *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) (r UpdateResult) {
b, err := opts.ToFloatingIPUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Put(resourceURL(c, id), b, &r.Body, &gophercloud.RequestOpts{
OkCodes: []int{200},
})
return
}
// Delete will permanently delete a particular floating IP resource. Please
// ensure this is what you want - you can also disassociate the IP from existing
// internal ports.
func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult) {
_, r.Err = c.Delete(resourceURL(c, id), nil)
return
}

110
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/floatingips/results.go generated vendored Normal file
View File

@ -0,0 +1,110 @@
package floatingips
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// FloatingIP represents a floating IP resource. A floating IP is an external
// IP address that is mapped to an internal port and, optionally, a specific
// IP address on a private network. In other words, it enables access to an
// instance on a private network from an external network. For this reason,
// floating IPs can only be defined on networks where the `router:external'
// attribute (provided by the external network extension) is set to True.
type FloatingIP struct {
// Unique identifier for the floating IP instance.
ID string `json:"id"`
// UUID of the external network where the floating IP is to be created.
FloatingNetworkID string `json:"floating_network_id"`
// Address of the floating IP on the external network.
FloatingIP string `json:"floating_ip_address"`
// UUID of the port on an internal network that is associated with the floating IP.
PortID string `json:"port_id"`
// The specific IP address of the internal port which should be associated
// with the floating IP.
FixedIP string `json:"fixed_ip_address"`
// Owner of the floating IP. Only admin users can specify a tenant identifier
// other than its own.
TenantID string `json:"tenant_id"`
// The condition of the API resource.
Status string `json:"status"`
//The ID of the router used for this Floating-IP
RouterID string `json:"router_id"`
}
type commonResult struct {
gophercloud.Result
}
// Extract a result and extracts a FloatingIP resource.
func (r commonResult) Extract() (*FloatingIP, error) {
var s struct {
FloatingIP *FloatingIP `json:"floatingip"`
}
err := r.ExtractInto(&s)
return s.FloatingIP, err
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of an update operation.
type DeleteResult struct {
gophercloud.ErrResult
}
// FloatingIPPage is the page returned by a pager when traversing over a
// collection of floating IPs.
type FloatingIPPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of floating IPs has reached
// the end of a page and the pager seeks to traverse over a new one. In order
// to do this, it needs to construct the next page's URL.
func (r FloatingIPPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"floatingips_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a NetworkPage struct is empty.
func (r FloatingIPPage) IsEmpty() (bool, error) {
is, err := ExtractFloatingIPs(r)
return len(is) == 0, err
}
// ExtractFloatingIPs accepts a Page struct, specifically a FloatingIPPage struct,
// and extracts the elements into a slice of FloatingIP structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractFloatingIPs(r pagination.Page) ([]FloatingIP, error) {
var s struct {
FloatingIPs []FloatingIP `json:"floatingips"`
}
err := (r.(FloatingIPPage)).ExtractInto(&s)
return s.FloatingIPs, err
}

13
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/floatingips/urls.go generated vendored Normal file
View File

@ -0,0 +1,13 @@
package floatingips
import "github.com/gophercloud/gophercloud"
const resourcePath = "floatingips"
func rootURL(c *gophercloud.ServiceClient) string {
return c.ServiceURL(resourcePath)
}
func resourceURL(c *gophercloud.ServiceClient, id string) string {
return c.ServiceURL(resourcePath, id)
}

182
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/listeners/requests.go generated vendored Normal file
View File

@ -0,0 +1,182 @@
package listeners
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
type Protocol string
// Supported attributes for create/update operations.
const (
ProtocolTCP Protocol = "TCP"
ProtocolHTTP Protocol = "HTTP"
ProtocolHTTPS Protocol = "HTTPS"
)
// ListOptsBuilder allows extensions to add additional parameters to the
// List request.
type ListOptsBuilder interface {
ToListenerListQuery() (string, error)
}
// ListOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the floating IP attributes you want to see returned. SortKey allows you to
// sort by a particular listener attribute. SortDir sets the direction, and is
// either `asc' or `desc'. Marker and Limit are used for pagination.
type ListOpts struct {
ID string `q:"id"`
Name string `q:"name"`
AdminStateUp *bool `q:"admin_state_up"`
TenantID string `q:"tenant_id"`
LoadbalancerID string `q:"loadbalancer_id"`
DefaultPoolID string `q:"default_pool_id"`
Protocol string `q:"protocol"`
ProtocolPort int `q:"protocol_port"`
ConnectionLimit int `q:"connection_limit"`
Limit int `q:"limit"`
Marker string `q:"marker"`
SortKey string `q:"sort_key"`
SortDir string `q:"sort_dir"`
}
// ToListenerListQuery formats a ListOpts into a query string.
func (opts ListOpts) ToListenerListQuery() (string, error) {
q, err := gophercloud.BuildQueryString(opts)
return q.String(), err
}
// List returns a Pager which allows you to iterate over a collection of
// routers. It accepts a ListOpts struct, which allows you to filter and sort
// the returned collection for greater efficiency.
//
// Default policy settings return only those routers that are owned by the
// tenant who submits the request, unless an admin user submits the request.
func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
url := rootURL(c)
if opts != nil {
query, err := opts.ToListenerListQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
}
return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
return ListenerPage{pagination.LinkedPageBase{PageResult: r}}
})
}
// CreateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Create operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type CreateOptsBuilder interface {
ToListenerCreateMap() (map[string]interface{}, error)
}
// CreateOpts is the common options struct used in this package's Create
// operation.
type CreateOpts struct {
// The load balancer on which to provision this listener.
LoadbalancerID string `json:"loadbalancer_id" required:"true"`
// The protocol - can either be TCP, HTTP or HTTPS.
Protocol Protocol `json:"protocol" required:"true"`
// The port on which to listen for client traffic.
ProtocolPort int `json:"protocol_port" required:"true"`
// Indicates the owner of the Listener. Required for admins.
TenantID string `json:"tenant_id,omitempty"`
// Human-readable name for the Listener. Does not have to be unique.
Name string `json:"name,omitempty"`
// The ID of the default pool with which the Listener is associated.
DefaultPoolID string `json:"default_pool_id,omitempty"`
// Human-readable description for the Listener.
Description string `json:"description,omitempty"`
// The maximum number of connections allowed for the Listener.
ConnLimit *int `json:"connection_limit,omitempty"`
// A reference to a container of TLS secrets.
DefaultTlsContainerRef string `json:"default_tls_container_ref,omitempty"`
// A list of references to TLS secrets.
SniContainerRefs []string `json:"sni_container_refs,omitempty"`
// The administrative state of the Listener. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToListenerCreateMap casts a CreateOpts struct to a map.
func (opts CreateOpts) ToListenerCreateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "listener")
}
// Create is an operation which provisions a new Listeners based on the
// configuration defined in the CreateOpts struct. Once the request is
// validated and progress has started on the provisioning process, a
// CreateResult will be returned.
//
// Users with an admin role can create Listeners on behalf of other tenants by
// specifying a TenantID attribute different than their own.
func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
b, err := opts.ToListenerCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Post(rootURL(c), b, &r.Body, nil)
return
}
// Get retrieves a particular Listeners based on its unique ID.
func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
_, r.Err = c.Get(resourceURL(c, id), &r.Body, nil)
return
}
// UpdateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Update operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type UpdateOptsBuilder interface {
ToListenerUpdateMap() (map[string]interface{}, error)
}
// UpdateOpts is the common options struct used in this package's Update
// operation.
type UpdateOpts struct {
// Human-readable name for the Listener. Does not have to be unique.
Name string `json:"name,omitempty"`
// Human-readable description for the Listener.
Description string `json:"description,omitempty"`
// The maximum number of connections allowed for the Listener.
ConnLimit *int `json:"connection_limit,omitempty"`
// A reference to a container of TLS secrets.
DefaultTlsContainerRef string `json:"default_tls_container_ref,omitempty"`
// A list of references to TLS secrets.
SniContainerRefs []string `json:"sni_container_refs,omitempty"`
// The administrative state of the Listener. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToListenerUpdateMap casts a UpdateOpts struct to a map.
func (opts UpdateOpts) ToListenerUpdateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "listener")
}
// Update is an operation which modifies the attributes of the specified Listener.
func Update(c *gophercloud.ServiceClient, id string, opts UpdateOpts) (r UpdateResult) {
b, err := opts.ToListenerUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Put(resourceURL(c, id), b, &r.Body, &gophercloud.RequestOpts{
OkCodes: []int{200, 202},
})
return
}
// Delete will permanently delete a particular Listeners based on its unique ID.
func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult) {
_, r.Err = c.Delete(resourceURL(c, id), nil)
return
}

114
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/listeners/results.go generated vendored Normal file
View File

@ -0,0 +1,114 @@
package listeners
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools"
"github.com/gophercloud/gophercloud/pagination"
)
type LoadBalancerID struct {
ID string `json:"id"`
}
// Listener is the primary load balancing configuration object that specifies
// the loadbalancer and port on which client traffic is received, as well
// as other details such as the load balancing method to be use, protocol, etc.
type Listener struct {
// The unique ID for the Listener.
ID string `json:"id"`
// Owner of the Listener. Only an admin user can specify a tenant ID other than its own.
TenantID string `json:"tenant_id"`
// Human-readable name for the Listener. Does not have to be unique.
Name string `json:"name"`
// Human-readable description for the Listener.
Description string `json:"description"`
// The protocol to loadbalance. A valid value is TCP, HTTP, or HTTPS.
Protocol string `json:"protocol"`
// The port on which to listen to client traffic that is associated with the
// Loadbalancer. A valid value is from 0 to 65535.
ProtocolPort int `json:"protocol_port"`
// The UUID of default pool. Must have compatible protocol with listener.
DefaultPoolID string `json:"default_pool_id"`
// A list of load balancer IDs.
Loadbalancers []LoadBalancerID `json:"loadbalancers"`
// The maximum number of connections allowed for the Loadbalancer. Default is -1,
// meaning no limit.
ConnLimit int `json:"connection_limit"`
// The list of references to TLS secrets.
SniContainerRefs []string `json:"sni_container_refs"`
// Optional. A reference to a container of TLS secrets.
DefaultTlsContainerRef string `json:"default_tls_container_ref"`
// The administrative state of the Listener. A valid value is true (UP) or false (DOWN).
AdminStateUp bool `json:"admin_state_up"`
Pools []pools.Pool `json:"pools"`
}
// ListenerPage is the page returned by a pager when traversing over a
// collection of routers.
type ListenerPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of routers has reached
// the end of a page and the pager seeks to traverse over a new one. In order
// to do this, it needs to construct the next page's URL.
func (r ListenerPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"listeners_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a RouterPage struct is empty.
func (r ListenerPage) IsEmpty() (bool, error) {
is, err := ExtractListeners(r)
return len(is) == 0, err
}
// ExtractListeners accepts a Page struct, specifically a ListenerPage struct,
// and extracts the elements into a slice of Listener structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractListeners(r pagination.Page) ([]Listener, error) {
var s struct {
Listeners []Listener `json:"listeners"`
}
err := (r.(ListenerPage)).ExtractInto(&s)
return s.Listeners, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a router.
func (r commonResult) Extract() (*Listener, error) {
var s struct {
Listener *Listener `json:"listener"`
}
err := r.ExtractInto(&s)
return s.Listener, err
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}

16
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/listeners/urls.go generated vendored Normal file
View File

@ -0,0 +1,16 @@
package listeners
import "github.com/gophercloud/gophercloud"
const (
rootPath = "lbaas"
resourcePath = "listeners"
)
func rootURL(c *gophercloud.ServiceClient) string {
return c.ServiceURL(rootPath, resourcePath)
}
func resourceURL(c *gophercloud.ServiceClient, id string) string {
return c.ServiceURL(rootPath, resourcePath, id)
}

172
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/loadbalancers/requests.go generated vendored Normal file
View File

@ -0,0 +1,172 @@
package loadbalancers
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// ListOptsBuilder allows extensions to add additional parameters to the
// List request.
type ListOptsBuilder interface {
ToLoadBalancerListQuery() (string, error)
}
// ListOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the Loadbalancer attributes you want to see returned. SortKey allows you to
// sort by a particular attribute. SortDir sets the direction, and is
// either `asc' or `desc'. Marker and Limit are used for pagination.
type ListOpts struct {
Description string `q:"description"`
AdminStateUp *bool `q:"admin_state_up"`
TenantID string `q:"tenant_id"`
ProvisioningStatus string `q:"provisioning_status"`
VipAddress string `q:"vip_address"`
VipPortID string `q:"vip_port_id"`
VipSubnetID string `q:"vip_subnet_id"`
ID string `q:"id"`
OperatingStatus string `q:"operating_status"`
Name string `q:"name"`
Flavor string `q:"flavor"`
Provider string `q:"provider"`
Limit int `q:"limit"`
Marker string `q:"marker"`
SortKey string `q:"sort_key"`
SortDir string `q:"sort_dir"`
}
// ToLoadbalancerListQuery formats a ListOpts into a query string.
func (opts ListOpts) ToLoadBalancerListQuery() (string, error) {
q, err := gophercloud.BuildQueryString(opts)
return q.String(), err
}
// List returns a Pager which allows you to iterate over a collection of
// routers. It accepts a ListOpts struct, which allows you to filter and sort
// the returned collection for greater efficiency.
//
// Default policy settings return only those routers that are owned by the
// tenant who submits the request, unless an admin user submits the request.
func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
url := rootURL(c)
if opts != nil {
query, err := opts.ToLoadBalancerListQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
}
return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
return LoadBalancerPage{pagination.LinkedPageBase{PageResult: r}}
})
}
// CreateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Create operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type CreateOptsBuilder interface {
ToLoadBalancerCreateMap() (map[string]interface{}, error)
}
// CreateOpts is the common options struct used in this package's Create
// operation.
type CreateOpts struct {
// Optional. Human-readable name for the Loadbalancer. Does not have to be unique.
Name string `json:"name,omitempty"`
// Optional. Human-readable description for the Loadbalancer.
Description string `json:"description,omitempty"`
// Required. The network on which to allocate the Loadbalancer's address. A tenant can
// only create Loadbalancers on networks authorized by policy (e.g. networks that
// belong to them or networks that are shared).
VipSubnetID string `json:"vip_subnet_id" required:"true"`
// Required for admins. The UUID of the tenant who owns the Loadbalancer.
// Only administrative users can specify a tenant UUID other than their own.
TenantID string `json:"tenant_id,omitempty"`
// Optional. The IP address of the Loadbalancer.
VipAddress string `json:"vip_address,omitempty"`
// Optional. The administrative state of the Loadbalancer. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
// Optional. The UUID of a flavor.
Flavor string `json:"flavor,omitempty"`
// Optional. The name of the provider.
Provider string `json:"provider,omitempty"`
}
// ToLoadBalancerCreateMap casts a CreateOpts struct to a map.
func (opts CreateOpts) ToLoadBalancerCreateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "loadbalancer")
}
// Create is an operation which provisions a new loadbalancer based on the
// configuration defined in the CreateOpts struct. Once the request is
// validated and progress has started on the provisioning process, a
// CreateResult will be returned.
//
// Users with an admin role can create loadbalancers on behalf of other tenants by
// specifying a TenantID attribute different than their own.
func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
b, err := opts.ToLoadBalancerCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Post(rootURL(c), b, &r.Body, nil)
return
}
// Get retrieves a particular Loadbalancer based on its unique ID.
func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
_, r.Err = c.Get(resourceURL(c, id), &r.Body, nil)
return
}
// UpdateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Update operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type UpdateOptsBuilder interface {
ToLoadBalancerUpdateMap() (map[string]interface{}, error)
}
// UpdateOpts is the common options struct used in this package's Update
// operation.
type UpdateOpts struct {
// Optional. Human-readable name for the Loadbalancer. Does not have to be unique.
Name string `json:"name,omitempty"`
// Optional. Human-readable description for the Loadbalancer.
Description string `json:"description,omitempty"`
// Optional. The administrative state of the Loadbalancer. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToLoadBalancerUpdateMap casts a UpdateOpts struct to a map.
func (opts UpdateOpts) ToLoadBalancerUpdateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "loadbalancer")
}
// Update is an operation which modifies the attributes of the specified LoadBalancer.
func Update(c *gophercloud.ServiceClient, id string, opts UpdateOpts) (r UpdateResult) {
b, err := opts.ToLoadBalancerUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Put(resourceURL(c, id), b, &r.Body, &gophercloud.RequestOpts{
OkCodes: []int{200, 202},
})
return
}
// Delete will permanently delete a particular LoadBalancer based on its unique ID.
func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult) {
_, r.Err = c.Delete(resourceURL(c, id), nil)
return
}
func GetStatuses(c *gophercloud.ServiceClient, id string) (r GetStatusesResult) {
_, r.Err = c.Get(statusRootURL(c, id), &r.Body, nil)
return
}

125
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/loadbalancers/results.go generated vendored Normal file
View File

@ -0,0 +1,125 @@
package loadbalancers
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/listeners"
"github.com/gophercloud/gophercloud/pagination"
)
// LoadBalancer is the primary load balancing configuration object that specifies
// the virtual IP address on which client traffic is received, as well
// as other details such as the load balancing method to be use, protocol, etc.
type LoadBalancer struct {
// Human-readable description for the Loadbalancer.
Description string `json:"description"`
// The administrative state of the Loadbalancer. A valid value is true (UP) or false (DOWN).
AdminStateUp bool `json:"admin_state_up"`
// Owner of the LoadBalancer. Only an admin user can specify a tenant ID other than its own.
TenantID string `json:"tenant_id"`
// The provisioning status of the LoadBalancer. This value is ACTIVE, PENDING_CREATE or ERROR.
ProvisioningStatus string `json:"provisioning_status"`
// The IP address of the Loadbalancer.
VipAddress string `json:"vip_address"`
// The UUID of the port associated with the IP address.
VipPortID string `json:"vip_port_id"`
// The UUID of the subnet on which to allocate the virtual IP for the Loadbalancer address.
VipSubnetID string `json:"vip_subnet_id"`
// The unique ID for the LoadBalancer.
ID string `json:"id"`
// The operating status of the LoadBalancer. This value is ONLINE or OFFLINE.
OperatingStatus string `json:"operating_status"`
// Human-readable name for the LoadBalancer. Does not have to be unique.
Name string `json:"name"`
// The UUID of a flavor if set.
Flavor string `json:"flavor"`
// The name of the provider.
Provider string `json:"provider"`
Listeners []listeners.Listener `json:"listeners"`
}
type StatusTree struct {
Loadbalancer *LoadBalancer `json:"loadbalancer"`
}
// LoadBalancerPage is the page returned by a pager when traversing over a
// collection of routers.
type LoadBalancerPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of routers has reached
// the end of a page and the pager seeks to traverse over a new one. In order
// to do this, it needs to construct the next page's URL.
func (r LoadBalancerPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"loadbalancers_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a LoadBalancerPage struct is empty.
func (p LoadBalancerPage) IsEmpty() (bool, error) {
is, err := ExtractLoadBalancers(p)
return len(is) == 0, err
}
// ExtractLoadBalancers accepts a Page struct, specifically a LoadbalancerPage struct,
// and extracts the elements into a slice of LoadBalancer structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractLoadBalancers(r pagination.Page) ([]LoadBalancer, error) {
var s struct {
LoadBalancers []LoadBalancer `json:"loadbalancers"`
}
err := (r.(LoadBalancerPage)).ExtractInto(&s)
return s.LoadBalancers, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a router.
func (r commonResult) Extract() (*LoadBalancer, error) {
var s struct {
LoadBalancer *LoadBalancer `json:"loadbalancer"`
}
err := r.ExtractInto(&s)
return s.LoadBalancer, err
}
type GetStatusesResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a Loadbalancer.
func (r GetStatusesResult) Extract() (*StatusTree, error) {
var s struct {
Statuses *StatusTree `json:"statuses"`
}
err := r.ExtractInto(&s)
return s.Statuses, err
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}

21
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/loadbalancers/urls.go generated vendored Normal file
View File

@ -0,0 +1,21 @@
package loadbalancers
import "github.com/gophercloud/gophercloud"
const (
rootPath = "lbaas"
resourcePath = "loadbalancers"
statusPath = "statuses"
)
func rootURL(c *gophercloud.ServiceClient) string {
return c.ServiceURL(rootPath, resourcePath)
}
func resourceURL(c *gophercloud.ServiceClient, id string) string {
return c.ServiceURL(rootPath, resourcePath, id)
}
func statusRootURL(c *gophercloud.ServiceClient, id string) string {
return c.ServiceURL(rootPath, resourcePath, id, statusPath)
}

233
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/monitors/requests.go generated vendored Normal file
View File

@ -0,0 +1,233 @@
package monitors
import (
"fmt"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// ListOptsBuilder allows extensions to add additional parameters to the
// List request.
type ListOptsBuilder interface {
ToMonitorListQuery() (string, error)
}
// ListOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the Monitor attributes you want to see returned. SortKey allows you to
// sort by a particular Monitor attribute. SortDir sets the direction, and is
// either `asc' or `desc'. Marker and Limit are used for pagination.
type ListOpts struct {
ID string `q:"id"`
Name string `q:"name"`
TenantID string `q:"tenant_id"`
PoolID string `q:"pool_id"`
Type string `q:"type"`
Delay int `q:"delay"`
Timeout int `q:"timeout"`
MaxRetries int `q:"max_retries"`
HTTPMethod string `q:"http_method"`
URLPath string `q:"url_path"`
ExpectedCodes string `q:"expected_codes"`
AdminStateUp *bool `q:"admin_state_up"`
Status string `q:"status"`
Limit int `q:"limit"`
Marker string `q:"marker"`
SortKey string `q:"sort_key"`
SortDir string `q:"sort_dir"`
}
// ToMonitorListQuery formats a ListOpts into a query string.
func (opts ListOpts) ToMonitorListQuery() (string, error) {
q, err := gophercloud.BuildQueryString(opts)
if err != nil {
return "", err
}
return q.String(), nil
}
// List returns a Pager which allows you to iterate over a collection of
// health monitors. It accepts a ListOpts struct, which allows you to filter and sort
// the returned collection for greater efficiency.
//
// Default policy settings return only those health monitors that are owned by the
// tenant who submits the request, unless an admin user submits the request.
func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
url := rootURL(c)
if opts != nil {
query, err := opts.ToMonitorListQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
}
return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
return MonitorPage{pagination.LinkedPageBase{PageResult: r}}
})
}
// Constants that represent approved monitoring types.
const (
TypePING = "PING"
TypeTCP = "TCP"
TypeHTTP = "HTTP"
TypeHTTPS = "HTTPS"
)
var (
errDelayMustGETimeout = fmt.Errorf("Delay must be greater than or equal to timeout")
)
// CreateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Create operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type CreateOptsBuilder interface {
ToMonitorCreateMap() (map[string]interface{}, error)
}
// CreateOpts is the common options struct used in this package's Create
// operation.
type CreateOpts struct {
// Required. The Pool to Monitor.
PoolID string `json:"pool_id" required:"true"`
// Required. The type of probe, which is PING, TCP, HTTP, or HTTPS, that is
// sent by the load balancer to verify the member state.
Type string `json:"type" required:"true"`
// Required. The time, in seconds, between sending probes to members.
Delay int `json:"delay" required:"true"`
// Required. Maximum number of seconds for a Monitor to wait for a ping reply
// before it times out. The value must be less than the delay value.
Timeout int `json:"timeout" required:"true"`
// Required. Number of permissible ping failures before changing the member's
// status to INACTIVE. Must be a number between 1 and 10.
MaxRetries int `json:"max_retries" required:"true"`
// Required for HTTP(S) types. URI path that will be accessed if Monitor type
// is HTTP or HTTPS.
URLPath string `json:"url_path,omitempty"`
// Required for HTTP(S) types. The HTTP method used for requests by the
// Monitor. If this attribute is not specified, it defaults to "GET".
HTTPMethod string `json:"http_method,omitempty"`
// Required for HTTP(S) types. Expected HTTP codes for a passing HTTP(S)
// Monitor. You can either specify a single status like "200", or a range
// like "200-202".
ExpectedCodes string `json:"expected_codes,omitempty"`
// Indicates the owner of the Loadbalancer. Required for admins.
TenantID string `json:"tenant_id,omitempty"`
// Optional. The Name of the Monitor.
Name string `json:"name,omitempty"`
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToMonitorCreateMap casts a CreateOpts struct to a map.
func (opts CreateOpts) ToMonitorCreateMap() (map[string]interface{}, error) {
b, err := gophercloud.BuildRequestBody(opts, "healthmonitor")
if err != nil {
return nil, err
}
switch opts.Type {
case TypeHTTP, TypeHTTPS:
switch opts.URLPath {
case "":
return nil, fmt.Errorf("URLPath must be provided for HTTP and HTTPS")
}
switch opts.ExpectedCodes {
case "":
return nil, fmt.Errorf("ExpectedCodes must be provided for HTTP and HTTPS")
}
}
return b, nil
}
/*
Create is an operation which provisions a new Health Monitor. There are
different types of Monitor you can provision: PING, TCP or HTTP(S). Below
are examples of how to create each one.
Here is an example config struct to use when creating a PING or TCP Monitor:
CreateOpts{Type: TypePING, Delay: 20, Timeout: 10, MaxRetries: 3}
CreateOpts{Type: TypeTCP, Delay: 20, Timeout: 10, MaxRetries: 3}
Here is an example config struct to use when creating a HTTP(S) Monitor:
CreateOpts{Type: TypeHTTP, Delay: 20, Timeout: 10, MaxRetries: 3,
HttpMethod: "HEAD", ExpectedCodes: "200", PoolID: "2c946bfc-1804-43ab-a2ff-58f6a762b505"}
*/
func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
b, err := opts.ToMonitorCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Post(rootURL(c), b, &r.Body, nil)
return
}
// Get retrieves a particular Health Monitor based on its unique ID.
func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
_, r.Err = c.Get(resourceURL(c, id), &r.Body, nil)
return
}
// UpdateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Update operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type UpdateOptsBuilder interface {
ToMonitorUpdateMap() (map[string]interface{}, error)
}
// UpdateOpts is the common options struct used in this package's Update
// operation.
type UpdateOpts struct {
// Required. The time, in seconds, between sending probes to members.
Delay int `json:"delay,omitempty"`
// Required. Maximum number of seconds for a Monitor to wait for a ping reply
// before it times out. The value must be less than the delay value.
Timeout int `json:"timeout,omitempty"`
// Required. Number of permissible ping failures before changing the member's
// status to INACTIVE. Must be a number between 1 and 10.
MaxRetries int `json:"max_retries,omitempty"`
// Required for HTTP(S) types. URI path that will be accessed if Monitor type
// is HTTP or HTTPS.
URLPath string `json:"url_path,omitempty"`
// Required for HTTP(S) types. The HTTP method used for requests by the
// Monitor. If this attribute is not specified, it defaults to "GET".
HTTPMethod string `json:"http_method,omitempty"`
// Required for HTTP(S) types. Expected HTTP codes for a passing HTTP(S)
// Monitor. You can either specify a single status like "200", or a range
// like "200-202".
ExpectedCodes string `json:"expected_codes,omitempty"`
// Optional. The Name of the Monitor.
Name string `json:"name,omitempty"`
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToMonitorUpdateMap casts a UpdateOpts struct to a map.
func (opts UpdateOpts) ToMonitorUpdateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "healthmonitor")
}
// Update is an operation which modifies the attributes of the specified Monitor.
func Update(c *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) (r UpdateResult) {
b, err := opts.ToMonitorUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Put(resourceURL(c, id), b, &r.Body, &gophercloud.RequestOpts{
OkCodes: []int{200, 202},
})
return
}
// Delete will permanently delete a particular Monitor based on its unique ID.
func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult) {
_, r.Err = c.Delete(resourceURL(c, id), nil)
return
}

144
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/monitors/results.go generated vendored Normal file
View File

@ -0,0 +1,144 @@
package monitors
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
type PoolID struct {
ID string `json:"id"`
}
// Monitor represents a load balancer health monitor. A health monitor is used
// to determine whether or not back-end members of the VIP's pool are usable
// for processing a request. A pool can have several health monitors associated
// with it. There are different types of health monitors supported:
//
// PING: used to ping the members using ICMP.
// TCP: used to connect to the members using TCP.
// HTTP: used to send an HTTP request to the member.
// HTTPS: used to send a secure HTTP request to the member.
//
// When a pool has several monitors associated with it, each member of the pool
// is monitored by all these monitors. If any monitor declares the member as
// unhealthy, then the member status is changed to INACTIVE and the member
// won't participate in its pool's load balancing. In other words, ALL monitors
// must declare the member to be healthy for it to stay ACTIVE.
type Monitor struct {
// The unique ID for the Monitor.
ID string `json:"id"`
// The Name of the Monitor.
Name string `json:"name"`
// Only an administrative user can specify a tenant ID
// other than its own.
TenantID string `json:"tenant_id"`
// The type of probe sent by the load balancer to verify the member state,
// which is PING, TCP, HTTP, or HTTPS.
Type string `json:"type"`
// The time, in seconds, between sending probes to members.
Delay int `json:"delay"`
// The maximum number of seconds for a monitor to wait for a connection to be
// established before it times out. This value must be less than the delay value.
Timeout int `json:"timeout"`
// Number of allowed connection failures before changing the status of the
// member to INACTIVE. A valid value is from 1 to 10.
MaxRetries int `json:"max_retries"`
// The HTTP method that the monitor uses for requests.
HTTPMethod string `json:"http_method"`
// The HTTP path of the request sent by the monitor to test the health of a
// member. Must be a string beginning with a forward slash (/).
URLPath string `json:"url_path" `
// Expected HTTP codes for a passing HTTP(S) monitor.
ExpectedCodes string `json:"expected_codes"`
// The administrative state of the health monitor, which is up (true) or down (false).
AdminStateUp bool `json:"admin_state_up"`
// The status of the health monitor. Indicates whether the health monitor is
// operational.
Status string `json:"status"`
// List of pools that are associated with the health monitor.
Pools []PoolID `json:"pools"`
}
// MonitorPage is the page returned by a pager when traversing over a
// collection of health monitors.
type MonitorPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of monitors has reached
// the end of a page and the pager seeks to traverse over a new one. In order
// to do this, it needs to construct the next page's URL.
func (r MonitorPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"healthmonitors_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a MonitorPage struct is empty.
func (r MonitorPage) IsEmpty() (bool, error) {
is, err := ExtractMonitors(r)
return len(is) == 0, err
}
// ExtractMonitors accepts a Page struct, specifically a MonitorPage struct,
// and extracts the elements into a slice of Monitor structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractMonitors(r pagination.Page) ([]Monitor, error) {
var s struct {
Monitors []Monitor `json:"healthmonitors"`
}
err := (r.(MonitorPage)).ExtractInto(&s)
return s.Monitors, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a monitor.
func (r commonResult) Extract() (*Monitor, error) {
var s struct {
Monitor *Monitor `json:"healthmonitor"`
}
err := r.ExtractInto(&s)
return s.Monitor, err
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}

16
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/monitors/urls.go generated vendored Normal file
View File

@ -0,0 +1,16 @@
package monitors
import "github.com/gophercloud/gophercloud"
const (
rootPath = "lbaas"
resourcePath = "healthmonitors"
)
func rootURL(c *gophercloud.ServiceClient) string {
return c.ServiceURL(rootPath, resourcePath)
}
func resourceURL(c *gophercloud.ServiceClient, id string) string {
return c.ServiceURL(rootPath, resourcePath, id)
}

334
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools/requests.go generated vendored Normal file
View File

@ -0,0 +1,334 @@
package pools
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// ListOptsBuilder allows extensions to add additional parameters to the
// List request.
type ListOptsBuilder interface {
ToPoolListQuery() (string, error)
}
// ListOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the Pool attributes you want to see returned. SortKey allows you to
// sort by a particular Pool attribute. SortDir sets the direction, and is
// either `asc' or `desc'. Marker and Limit are used for pagination.
type ListOpts struct {
LBMethod string `q:"lb_algorithm"`
Protocol string `q:"protocol"`
TenantID string `q:"tenant_id"`
AdminStateUp *bool `q:"admin_state_up"`
Name string `q:"name"`
ID string `q:"id"`
LoadbalancerID string `q:"loadbalancer_id"`
ListenerID string `q:"listener_id"`
Limit int `q:"limit"`
Marker string `q:"marker"`
SortKey string `q:"sort_key"`
SortDir string `q:"sort_dir"`
}
// ToPoolListQuery formats a ListOpts into a query string.
func (opts ListOpts) ToPoolListQuery() (string, error) {
q, err := gophercloud.BuildQueryString(opts)
return q.String(), err
}
// List returns a Pager which allows you to iterate over a collection of
// pools. It accepts a ListOpts struct, which allows you to filter and sort
// the returned collection for greater efficiency.
//
// Default policy settings return only those pools that are owned by the
// tenant who submits the request, unless an admin user submits the request.
func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
url := rootURL(c)
if opts != nil {
query, err := opts.ToPoolListQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
}
return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
return PoolPage{pagination.LinkedPageBase{PageResult: r}}
})
}
type LBMethod string
type Protocol string
// Supported attributes for create/update operations.
const (
LBMethodRoundRobin LBMethod = "ROUND_ROBIN"
LBMethodLeastConnections LBMethod = "LEAST_CONNECTIONS"
LBMethodSourceIp LBMethod = "SOURCE_IP"
ProtocolTCP Protocol = "TCP"
ProtocolHTTP Protocol = "HTTP"
ProtocolHTTPS Protocol = "HTTPS"
)
// CreateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Create operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type CreateOptsBuilder interface {
ToPoolCreateMap() (map[string]interface{}, error)
}
// CreateOpts is the common options struct used in this package's Create
// operation.
type CreateOpts struct {
// The algorithm used to distribute load between the members of the pool. The
// current specification supports LBMethodRoundRobin, LBMethodLeastConnections
// and LBMethodSourceIp as valid values for this attribute.
LBMethod LBMethod `json:"lb_algorithm" required:"true"`
// The protocol used by the pool members, you can use either
// ProtocolTCP, ProtocolHTTP, or ProtocolHTTPS.
Protocol Protocol `json:"protocol" required:"true"`
// The Loadbalancer on which the members of the pool will be associated with.
// Note: one of LoadbalancerID or ListenerID must be provided.
LoadbalancerID string `json:"loadbalancer_id,omitempty" xor:"ListenerID"`
// The Listener on which the members of the pool will be associated with.
// Note: one of LoadbalancerID or ListenerID must be provided.
ListenerID string `json:"listener_id,omitempty" xor:"LoadbalancerID"`
// Only required if the caller has an admin role and wants to create a pool
// for another tenant.
TenantID string `json:"tenant_id,omitempty"`
// Name of the pool.
Name string `json:"name,omitempty"`
// Human-readable description for the pool.
Description string `json:"description,omitempty"`
// Omit this field to prevent session persistence.
Persistence *SessionPersistence `json:"session_persistence,omitempty"`
// The administrative state of the Pool. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToPoolCreateMap casts a CreateOpts struct to a map.
func (opts CreateOpts) ToPoolCreateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "pool")
}
// Create accepts a CreateOpts struct and uses the values to create a new
// load balancer pool.
func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
b, err := opts.ToPoolCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Post(rootURL(c), b, &r.Body, nil)
return
}
// Get retrieves a particular pool based on its unique ID.
func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
_, r.Err = c.Get(resourceURL(c, id), &r.Body, nil)
return
}
// UpdateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Update operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type UpdateOptsBuilder interface {
ToPoolUpdateMap() (map[string]interface{}, error)
}
// UpdateOpts is the common options struct used in this package's Update
// operation.
type UpdateOpts struct {
// Name of the pool.
Name string `json:"name,omitempty"`
// Human-readable description for the pool.
Description string `json:"description,omitempty"`
// The algorithm used to distribute load between the members of the pool. The
// current specification supports LBMethodRoundRobin, LBMethodLeastConnections
// and LBMethodSourceIp as valid values for this attribute.
LBMethod LBMethod `json:"lb_algorithm,omitempty"`
// The administrative state of the Pool. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToPoolUpdateMap casts a UpdateOpts struct to a map.
func (opts UpdateOpts) ToPoolUpdateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "pool")
}
// Update allows pools to be updated.
func Update(c *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) (r UpdateResult) {
b, err := opts.ToPoolUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Put(resourceURL(c, id), b, &r.Body, &gophercloud.RequestOpts{
OkCodes: []int{200},
})
return
}
// Delete will permanently delete a particular pool based on its unique ID.
func Delete(c *gophercloud.ServiceClient, id string) (r DeleteResult) {
_, r.Err = c.Delete(resourceURL(c, id), nil)
return
}
// ListMemberOptsBuilder allows extensions to add additional parameters to the
// ListMembers request.
type ListMembersOptsBuilder interface {
ToMembersListQuery() (string, error)
}
// ListMembersOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the Member attributes you want to see returned. SortKey allows you to
// sort by a particular Member attribute. SortDir sets the direction, and is
// either `asc' or `desc'. Marker and Limit are used for pagination.
type ListMembersOpts struct {
Name string `q:"name"`
Weight int `q:"weight"`
AdminStateUp *bool `q:"admin_state_up"`
TenantID string `q:"tenant_id"`
Address string `q:"address"`
ProtocolPort int `q:"protocol_port"`
ID string `q:"id"`
Limit int `q:"limit"`
Marker string `q:"marker"`
SortKey string `q:"sort_key"`
SortDir string `q:"sort_dir"`
}
// ToMemberListQuery formats a ListOpts into a query string.
func (opts ListMembersOpts) ToMembersListQuery() (string, error) {
q, err := gophercloud.BuildQueryString(opts)
return q.String(), err
}
// ListMembers returns a Pager which allows you to iterate over a collection of
// members. It accepts a ListMembersOptsBuilder, which allows you to filter and sort
// the returned collection for greater efficiency.
//
// Default policy settings return only those members that are owned by the
// tenant who submits the request, unless an admin user submits the request.
func ListMembers(c *gophercloud.ServiceClient, poolID string, opts ListMembersOptsBuilder) pagination.Pager {
url := memberRootURL(c, poolID)
if opts != nil {
query, err := opts.ToMembersListQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
}
return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
return MemberPage{pagination.LinkedPageBase{PageResult: r}}
})
}
// CreateMemberOptsBuilder is the interface options structs have to satisfy in order
// to be used in the CreateMember operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type CreateMemberOptsBuilder interface {
ToMemberCreateMap() (map[string]interface{}, error)
}
// CreateMemberOpts is the common options struct used in this package's CreateMember
// operation.
type CreateMemberOpts struct {
// Required. The IP address of the member to receive traffic from the load balancer.
Address string `json:"address" required:"true"`
// Required. The port on which to listen for client traffic.
ProtocolPort int `json:"protocol_port" required:"true"`
// Optional. Name of the Member.
Name string `json:"name,omitempty"`
// Only required if the caller has an admin role and wants to create a Member
// for another tenant.
TenantID string `json:"tenant_id,omitempty"`
// Optional. A positive integer value that indicates the relative portion of
// traffic that this member should receive from the pool. For example, a
// member with a weight of 10 receives five times as much traffic as a member
// with a weight of 2.
Weight int `json:"weight,omitempty"`
// Optional. If you omit this parameter, LBaaS uses the vip_subnet_id
// parameter value for the subnet UUID.
SubnetID string `json:"subnet_id,omitempty"`
// Optional. The administrative state of the Pool. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToMemberCreateMap casts a CreateOpts struct to a map.
func (opts CreateMemberOpts) ToMemberCreateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "member")
}
// CreateMember will create and associate a Member with a particular Pool.
func CreateMember(c *gophercloud.ServiceClient, poolID string, opts CreateMemberOpts) (r CreateMemberResult) {
b, err := opts.ToMemberCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Post(memberRootURL(c, poolID), b, &r.Body, nil)
return
}
// GetMember retrieves a particular Pool Member based on its unique ID.
func GetMember(c *gophercloud.ServiceClient, poolID string, memberID string) (r GetMemberResult) {
_, r.Err = c.Get(memberResourceURL(c, poolID, memberID), &r.Body, nil)
return
}
// MemberUpdateOptsBuilder is the interface options structs have to satisfy in order
// to be used in the main Update operation in this package. Since many
// extensions decorate or modify the common logic, it is useful for them to
// satisfy a basic interface in order for them to be used.
type UpdateMemberOptsBuilder interface {
ToMemberUpdateMap() (map[string]interface{}, error)
}
// UpdateMemberOpts is the common options struct used in this package's Update
// operation.
type UpdateMemberOpts struct {
// Optional. Name of the Member.
Name string `json:"name,omitempty"`
// Optional. A positive integer value that indicates the relative portion of
// traffic that this member should receive from the pool. For example, a
// member with a weight of 10 receives five times as much traffic as a member
// with a weight of 2.
Weight int `json:"weight,omitempty"`
// Optional. The administrative state of the Pool. A valid value is true (UP)
// or false (DOWN).
AdminStateUp *bool `json:"admin_state_up,omitempty"`
}
// ToMemberUpdateMap casts a UpdateOpts struct to a map.
func (opts UpdateMemberOpts) ToMemberUpdateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "member")
}
// Update allows Member to be updated.
func UpdateMember(c *gophercloud.ServiceClient, poolID string, memberID string, opts UpdateMemberOptsBuilder) (r UpdateMemberResult) {
b, err := opts.ToMemberUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Put(memberResourceURL(c, poolID, memberID), b, &r.Body, &gophercloud.RequestOpts{
OkCodes: []int{200, 201, 202},
})
return
}
// DisassociateMember will remove and disassociate a Member from a particular Pool.
func DeleteMember(c *gophercloud.ServiceClient, poolID string, memberID string) (r DeleteMemberResult) {
_, r.Err = c.Delete(memberResourceURL(c, poolID, memberID), nil)
return
}

242
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools/results.go generated vendored Normal file
View File

@ -0,0 +1,242 @@
package pools
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/monitors"
"github.com/gophercloud/gophercloud/pagination"
)
// SessionPersistence represents the session persistence feature of the load
// balancing service. It attempts to force connections or requests in the same
// session to be processed by the same member as long as it is ative. Three
// types of persistence are supported:
//
// SOURCE_IP: With this mode, all connections originating from the same source
// IP address, will be handled by the same Member of the Pool.
// HTTP_COOKIE: With this persistence mode, the load balancing function will
// create a cookie on the first request from a client. Subsequent
// requests containing the same cookie value will be handled by
// the same Member of the Pool.
// APP_COOKIE: With this persistence mode, the load balancing function will
// rely on a cookie established by the backend application. All
// requests carrying the same cookie value will be handled by the
// same Member of the Pool.
type SessionPersistence struct {
// The type of persistence mode
Type string `json:"type"`
// Name of cookie if persistence mode is set appropriately
CookieName string `json:"cookie_name,omitempty"`
}
type LoadBalancerID struct {
ID string `json:"id"`
}
type ListenerID struct {
ID string `json:"id"`
}
// Pool represents a logical set of devices, such as web servers, that you
// group together to receive and process traffic. The load balancing function
// chooses a Member of the Pool according to the configured load balancing
// method to handle the new requests or connections received on the VIP address.
type Pool struct {
// The load-balancer algorithm, which is round-robin, least-connections, and
// so on. This value, which must be supported, is dependent on the provider.
// Round-robin must be supported.
LBMethod string `json:"lb_algorithm"`
// The protocol of the Pool, which is TCP, HTTP, or HTTPS.
Protocol string `json:"protocol"`
// Description for the Pool.
Description string `json:"description"`
// A list of listeners objects IDs.
Listeners []ListenerID `json:"listeners"` //[]map[string]interface{}
// A list of member objects IDs.
Members []Member `json:"members"`
// The ID of associated health monitor.
MonitorID string `json:"healthmonitor_id"`
// The network on which the members of the Pool will be located. Only members
// that are on this network can be added to the Pool.
SubnetID string `json:"subnet_id"`
// Owner of the Pool. Only an administrative user can specify a tenant ID
// other than its own.
TenantID string `json:"tenant_id"`
// The administrative state of the Pool, which is up (true) or down (false).
AdminStateUp bool `json:"admin_state_up"`
// Pool name. Does not have to be unique.
Name string `json:"name"`
// The unique ID for the Pool.
ID string `json:"id"`
// A list of load balancer objects IDs.
Loadbalancers []LoadBalancerID `json:"loadbalancers"`
// Indicates whether connections in the same session will be processed by the
// same Pool member or not.
Persistence SessionPersistence `json:"session_persistence"`
// The provider
Provider string `json:"provider"`
Monitor monitors.Monitor `json:"healthmonitor"`
}
// PoolPage is the page returned by a pager when traversing over a
// collection of pools.
type PoolPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of pools has reached
// the end of a page and the pager seeks to traverse over a new one. In order
// to do this, it needs to construct the next page's URL.
func (r PoolPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"pools_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a PoolPage struct is empty.
func (r PoolPage) IsEmpty() (bool, error) {
is, err := ExtractPools(r)
return len(is) == 0, err
}
// ExtractPools accepts a Page struct, specifically a PoolPage struct,
// and extracts the elements into a slice of Router structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractPools(r pagination.Page) ([]Pool, error) {
var s struct {
Pools []Pool `json:"pools"`
}
err := (r.(PoolPage)).ExtractInto(&s)
return s.Pools, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a router.
func (r commonResult) Extract() (*Pool, error) {
var s struct {
Pool *Pool `json:"pool"`
}
err := r.ExtractInto(&s)
return s.Pool, err
}
// CreateResult represents the result of a Create operation.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a Get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an Update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a Delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}
// Member represents the application running on a backend server.
type Member struct {
// Name of the Member.
Name string `json:"name"`
// Weight of Member.
Weight int `json:"weight"`
// The administrative state of the member, which is up (true) or down (false).
AdminStateUp bool `json:"admin_state_up"`
// Owner of the Member. Only an administrative user can specify a tenant ID
// other than its own.
TenantID string `json:"tenant_id"`
// parameter value for the subnet UUID.
SubnetID string `json:"subnet_id"`
// The Pool to which the Member belongs.
PoolID string `json:"pool_id"`
// The IP address of the Member.
Address string `json:"address"`
// The port on which the application is hosted.
ProtocolPort int `json:"protocol_port"`
// The unique ID for the Member.
ID string `json:"id"`
}
// MemberPage is the page returned by a pager when traversing over a
// collection of Members in a Pool.
type MemberPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of members has reached
// the end of a page and the pager seeks to traverse over a new one. In order
// to do this, it needs to construct the next page's URL.
func (r MemberPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"members_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a MemberPage struct is empty.
func (r MemberPage) IsEmpty() (bool, error) {
is, err := ExtractMembers(r)
return len(is) == 0, err
}
// ExtractMembers accepts a Page struct, specifically a RouterPage struct,
// and extracts the elements into a slice of Router structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractMembers(r pagination.Page) ([]Member, error) {
var s struct {
Members []Member `json:"members"`
}
err := (r.(MemberPage)).ExtractInto(&s)
return s.Members, err
}
type commonMemberResult struct {
gophercloud.Result
}
// ExtractMember is a function that accepts a result and extracts a router.
func (r commonMemberResult) Extract() (*Member, error) {
var s struct {
Member *Member `json:"member"`
}
err := r.ExtractInto(&s)
return s.Member, err
}
// CreateMemberResult represents the result of a CreateMember operation.
type CreateMemberResult struct {
commonMemberResult
}
// GetMemberResult represents the result of a GetMember operation.
type GetMemberResult struct {
commonMemberResult
}
// UpdateMemberResult represents the result of an UpdateMember operation.
type UpdateMemberResult struct {
commonMemberResult
}
// DeleteMemberResult represents the result of a DeleteMember operation.
type DeleteMemberResult struct {
gophercloud.ErrResult
}

25
vendor/github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools/urls.go generated vendored Normal file
View File

@ -0,0 +1,25 @@
package pools
import "github.com/gophercloud/gophercloud"
const (
rootPath = "lbaas"
resourcePath = "pools"
memberPath = "members"
)
func rootURL(c *gophercloud.ServiceClient) string {
return c.ServiceURL(rootPath, resourcePath)
}
func resourceURL(c *gophercloud.ServiceClient, id string) string {
return c.ServiceURL(rootPath, resourcePath, id)
}
func memberRootURL(c *gophercloud.ServiceClient, poolId string) string {
return c.ServiceURL(rootPath, resourcePath, poolId, memberPath)
}
func memberResourceURL(c *gophercloud.ServiceClient, poolID string, memeberID string) string {
return c.ServiceURL(rootPath, resourcePath, poolID, memberPath, memeberID)
}

30
vendor/vendor.json vendored
View File

@ -239,12 +239,42 @@
"revision": "1217c40cf502cef2fc3aa1a25fcd1ed1bdf00a4b",
"revisionTime": "2017-07-18T07:00:34Z"
},
{
"checksumSHA1": "CHmnyRSFPivC+b/ojgfeEIY5ReM=",
"path": "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/floatingips",
"revision": "1217c40cf502cef2fc3aa1a25fcd1ed1bdf00a4b",
"revisionTime": "2017-07-18T07:00:34Z"
},
{
"checksumSHA1": "Mjt7GwFygyqPxygY8xZZnUasHmk=",
"path": "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/routers",
"revision": "1217c40cf502cef2fc3aa1a25fcd1ed1bdf00a4b",
"revisionTime": "2017-07-18T07:00:34Z"
},
{
"checksumSHA1": "mhpwj5tPv7Uw5aUfC55fhLPBcKo=",
"path": "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/listeners",
"revision": "1217c40cf502cef2fc3aa1a25fcd1ed1bdf00a4b",
"revisionTime": "2017-07-18T07:00:34Z"
},
{
"checksumSHA1": "5efJz6UH7JCFeav5ZCCzicXCFTU=",
"path": "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/loadbalancers",
"revision": "1217c40cf502cef2fc3aa1a25fcd1ed1bdf00a4b",
"revisionTime": "2017-07-18T07:00:34Z"
},
{
"checksumSHA1": "TVFgBTz7B6bb1R4TWdgAkbE1/fk=",
"path": "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/monitors",
"revision": "1217c40cf502cef2fc3aa1a25fcd1ed1bdf00a4b",
"revisionTime": "2017-07-18T07:00:34Z"
},
{
"checksumSHA1": "xirjw9vJIN6rmkT3T56bfPfOLUM=",
"path": "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/lbaas_v2/pools",
"revision": "1217c40cf502cef2fc3aa1a25fcd1ed1bdf00a4b",
"revisionTime": "2017-07-18T07:00:34Z"
},
{
"checksumSHA1": "S+9nmGWO/5zr/leEGq4qLzU0gsQ=",
"path": "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/portsbinding",