images/bootstrap_capo/config/openstack_config.go
Ratnopam Chakrabarti 3b351b1aa1 Bootstrap container for openstack provider (capo)
This patchset provides the Go code and scripts for the
Bootstrap container for Openstack.

The Bootstrap container for Openstack provider accepts
three commands: create, delete and help.
- create - creates an Ephemeral K8S cluster in Openstack
- delete - deletes the Ephemeral K8S cluster in Openstack
- help - Stdout the help text for usage of the bootstrap container.

Documentation is available at bootstrap_capo/README.md

Change-Id: Idd444834070b84170f18561626c487e23a3ca951
2020-11-10 13:16:47 +00:00

83 lines
2.2 KiB
Go

/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package config
import (
"io/ioutil"
"log"
"sigs.k8s.io/yaml"
)
// OpenstackConfig holds configurations for bootstrap steps
type OpenstackConfig struct {
// +optional
Kind string `yaml:"kind,omitempty"`
// +optional
APIVersion string `yaml:"apiVersion,omitempty"`
// Configuration parameters for metadata
Metadata *Metadata `yaml:"metadata"`
// Configuration parameters for metadata
Credentials *Credentials `yaml:"credentials"`
// Configuration parameters for spec
Spec *Spec `yaml:"spec"`
}
// Metadata structure provides the cluster name to assign and labels to the k8s cluster
type Metadata struct {
Name string `yaml:"name"`
Labels []string `yaml:"labels,omitempty"`
}
// Credentials structu provides the credentials to authenticate with Azure Cloud
type Credentials struct {
Credential string `yaml:"credential"`
CloudName string `yaml:"cloudName"`
}
// Spec structure contains the info for the ck8s luster to deploy
type Spec struct {
Cluster Cluster `yaml:"cluster"`
}
// Cluster struct provides data for the k8s cluster to deploy
type Cluster struct {
// flavor of VM
MachineSize string `yaml:"machineSize,omitempty"`
// Kubeconfig filename to save
Kubeconfig string `yaml:"kubeconfig,omitempty"`
// security group
SecurityGroup string `yaml:"securityGroup,omitempty"`
}
// ReadYAMLFile reads YAML-formatted configuration file and
// de-serializes it to a given object
func ReadYAMLFile(filePath string, cfg *OpenstackConfig) error {
data, err := ioutil.ReadFile(filePath)
log.Printf("Attempting to read Openstack bootstrap cluster configuration file at '%s'", filePath)
if err != nil {
return err
}
return yaml.Unmarshal(data, cfg)
}