Initial commit

This initial commit includes support for Mcrouter, Memcached,
basic CI tests as well as Helm charts for deploying things.

Depends-On: https://review.opendev.org/713107
Depends-On: https://review.opendev.org/713115
Change-Id: I0b1ab6d8e716460e095bc3953614e336620f984e

.gitignore

@@ -0,0 +1,24 @@
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+bin
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Kubernetes Generated files - skip generated files, except for vendored files
+
+!vendor/**/zz_generated.*
+
+# editor and IDE paraphernalia
+.idea
+*.swp
+*.swo
+*~

.zuul.yaml

@@ -0,0 +1,86 @@
+- secret:
+    name: openstack-operator-dockerhub
+    data:
+      username: vexxhostzuul
+      password: !encrypted/pkcs1-oaep
+        - JgslylmR4+iQxQBEa05Mx7FJjjjeM+Oqu60N7pxGA32vQkTMRHfGgXz9HXz1A8XAEesQM
+          ZPSWhpiEBDhzyugOTJBPl4Ha/4xBVv6fL1ikxOPeVNW4PU9tVbi6MMkdsYkF40lGl5ejz
+          TWprQDWD5ATdwz79IOjgwnEuZFA9Y0+g7jMyGUjg5deoaaubVgtvLHan58LznUZpmGHcM
+          NjRWvNRJBzb2Siwv+B2phFIYy4yXxMC3HSXbspTklX/oQsmdTGgfTZ+rW7/hwyfyuoxfG
+          QBsVU3JCjzlLZaxmy64jYoOna2M33+Vibc2C1WCiYtbBzunvrQxT9cvdNJXySTxeTJ6PL
+          5KGVToep1O5PMuNdk9MonVAmbkWpf/Leg81Az02+9tJUNKOrzUxnf8iwHva2+iPbrNAEe
+          wVKBqvOkBPKZjBJtY73Db2r6if/MGc7H1wkHd5s1UJoHU5soObJAYgksea6sC7OVv3XYp
+          UhSE17snurne0HAZRqhQ/JR6c1ipYMKCfj0D4tyJH9ZBW6faB1P/H2A8f22mRJW576aQI
+          Q9/HpF3PmAJwbmrlZKyE/jBKUlte27JGZZ307i74Yu9pA2/bVKF6ynpT3sRShLLYDpG6A
+          AyoJYUA7yRyHhNRHcOX7ZrvOhMCbTPJOqiMaDamNRkJAJWw6GW25S1n5onXjxc=
+
+- job:
+    name: openstack-operator:images:build
+    parent: opendev-build-docker-image
+    provides: openstack-operator:image:operator
+    vars: &openstack_operator_images
+      docker_images:
+        - context: images/mcrouter
+          repository: vexxhost/mcrouter
+        - context: images/mcrouter_exporter
+          repository: vexxhost/mcrouter_exporter
+        - context: images/memcached
+          repository: vexxhost/memcached
+        - context: images/memcached_exporter
+          repository: vexxhost/memcached_exporter
+        - context: .
+          repository: vexxhost/openstack-operator
+
+- job:
+    name: openstack-operator:images:upload
+    parent: opendev-upload-docker-image
+    provides: openstack-operator:image:operator
+    vars: *openstack_operator_images
+    secrets:
+      - name: docker_credentials
+        secret: openstack-operator-dockerhub
+        pass-to-parent: true
+
+- job:
+    name: openstack-operator:images:promote
+    parent: opendev-promote-docker-image
+    vars: *openstack_operator_images
+    secrets:
+      - name: docker_credentials
+        secret: openstack-operator-dockerhub
+        pass-to-parent: true
+
+- job:
+    name: openstack-operator:linters:chart
+    parent: chart-testing-lint
+    vars:
+      zuul_work_dir: "{{ zuul.project.src_dir }}/chart"
+
+- job:
+    name: openstack-operator:functional
+    parent: apply-helm-charts
+    requires: 
+      - openstack-operator:images
+    run: playbooks/functional/run.yaml
+    vars:
+      docker_use_buildset_registry: true
+      minikube_dns_resolvers: ['1.1.1.1', '8.8.8.8']
+
+- project:
+    check:
+      jobs:
+        - openstack-operator:linters:chart
+        - openstack-operator:images:build
+        - openstack-operator:functional:
+            dependencies:
+              - openstack-operator:images:build
+    gate:
+      jobs:
+        - openstack-operator:linters:chart
+        - openstack-operator:images:upload
+        - openstack-operator:functional:
+            dependencies:
+              - openstack-operator:images:upload
+    promote:
+      jobs:
+        - openstack-operator:images:promote

Dockerfile

@@ -0,0 +1,31 @@
+# Build-time arguments
+ARG REV=latest
+
+# Build the manager binary
+FROM golang:1.13 as builder
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY main.go main.go
+COPY api/ api/
+COPY controllers/ controllers/
+COPY version/ version/
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -ldflags "-X version.Revision=${REV}" -a -o manager main.go
+
+# Use distroless as minimal base image to package the manager binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static:nonroot
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER nonroot:nonroot
+
+ENTRYPOINT ["/manager"]

Makefile

@@ -0,0 +1,89 @@
+
+# Image URL to use all building/pushing image targets
+IMG ?= controller:latest
+# Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
+CRD_OPTIONS ?= "crd:trivialVersions=true"
+
+# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
+ifeq (,$(shell go env GOBIN))
+GOBIN=$(shell go env GOPATH)/bin
+else
+GOBIN=$(shell go env GOBIN)
+endif
+
+all: manager
+
+# Run tests
+test: generate fmt vet manifests
+	go test ./... -coverprofile cover.out
+
+# Build manager binary
+manager: generate fmt vet
+	go build -o bin/manager main.go
+
+# Run against the configured Kubernetes cluster in ~/.kube/config
+run: generate fmt vet manifests
+	go run ./main.go
+
+# Install CRDs into a cluster
+install: manifests
+	kustomize build config/crd | kubectl apply -f -
+
+# Uninstall CRDs from a cluster
+uninstall: manifests
+	kustomize build config/crd | kubectl delete -f -
+
+# Deploy controller in the configured Kubernetes cluster in ~/.kube/config
+deploy: manifests
+	cd config/manager && kustomize edit set image controller=${IMG}
+	kustomize build config/default | kubectl apply -f -
+
+# Generate manifests e.g. CRD, RBAC etc.
+manifests: controller-gen
+	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
+	$(CONTROLLER_GEN) crd paths="./..." output:crd:artifacts:config=chart/crds
+	$(CONTROLLER_GEN) rbac:roleName=openstack-operator paths="./..." +output:stdout > chart/templates/clusterrole.yaml
+
+# Run go fmt against code
+fmt:
+	go fmt ./...
+
+# Run go vet against code
+vet:
+	go vet ./...
+
+# Generate code
+generate: controller-gen
+	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
+
+# Build the docker image
+docker-build: test
+	docker build . -t ${IMG}
+
+# Push the docker image
+docker-push:
+	docker push ${IMG}
+
+# find or download controller-gen
+# download controller-gen if necessary
+controller-gen:
+ifeq (, $(shell which controller-gen))
+	@{ \
+	set -e ;\
+	CONTROLLER_GEN_TMP_DIR=$$(mktemp -d) ;\
+	cd $$CONTROLLER_GEN_TMP_DIR ;\
+	go mod init tmp ;\
+	go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.2.5 ;\
+	rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
+	}
+CONTROLLER_GEN=$(GOBIN)/controller-gen
+else
+CONTROLLER_GEN=$(shell which controller-gen)
+endif
+
+# run-time images
+images:
+	docker build images/mcrouter -t vexxhost/mcrouter:latest
+	docker build images/mcrouter_exporter -t vexxhost/mcrouter_exporter:latest
+	docker build images/memcached -t vexxhost/memcached:latest
+	docker build images/memcached_exporter -t vexxhost/memcached_exporter:latest

PROJECT

@@ -0,0 +1,10 @@
+domain: vexxhost.cloud
+repo: opendev.org/vexxhost/openstack-operator
+resources:
+- group: infrastructure
+  kind: Mcrouter
+  version: v1alpha1
+- group: infrastructure
+  kind: Memcached
+  version: v1alpha1
+version: "2"

api/v1alpha1/groupversion_info.go

@@ -0,0 +1,20 @@
+// Package v1alpha1 contains API Schema definitions for the infrastructure v1alpha1 API group
+// +kubebuilder:object:generate=true
+// +groupName=infrastructure.vexxhost.cloud
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"sigs.k8s.io/controller-runtime/pkg/scheme"
+)
+
+var (
+	// GroupVersion is group version used to register these objects
+	GroupVersion = schema.GroupVersion{Group: "infrastructure.vexxhost.cloud", Version: "v1alpha1"}
+
+	// SchemeBuilder is used to add go types to the GroupVersionKind scheme
+	SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
+
+	// AddToScheme adds the types in this group-version to the given scheme.
+	AddToScheme = SchemeBuilder.AddToScheme
+)

api/v1alpha1/mcrouter_types.go

@@ -0,0 +1,46 @@
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// McrouterPoolSpec defines the desired state of an Mcrouter pool
+type McrouterPoolSpec struct {
+	Servers []string `json:"servers"`
+}
+
+// McrouterSpec defines the desired state of Mcrouter
+type McrouterSpec struct {
+	Pools map[string]McrouterPoolSpec `json:"pools"`
+	Route string                      `json:"route"`
+}
+
+// McrouterStatus defines the observed state of Mcrouter
+type McrouterStatus struct {
+	// +kubebuilder:validation:Default=Pending
+	Phase string `json:"phase"`
+}
+
+// +kubebuilder:object:root=true
+
+// Mcrouter is the Schema for the mcrouters API
+type Mcrouter struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   McrouterSpec   `json:"spec,omitempty"`
+	Status McrouterStatus `json:"status,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+// McrouterList contains a list of Mcrouter
+type McrouterList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []Mcrouter `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&Mcrouter{}, &McrouterList{})
+}

api/v1alpha1/memcached_types.go

@@ -0,0 +1,40 @@
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// MemcachedSpec defines the desired state of Memcached
+type MemcachedSpec struct {
+	// +kubebuilder:validation:Required
+	// +kubebuilder:validation:Default=64
+	Megabytes int `json:"megabytes"`
+}
+
+// MemcachedStatus defines the observed state of Memcached
+type MemcachedStatus struct {
+}
+
+// +kubebuilder:object:root=true
+
+// Memcached is the Schema for the memcacheds API
+type Memcached struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   MemcachedSpec   `json:"spec,omitempty"`
+	Status MemcachedStatus `json:"status,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+// MemcachedList contains a list of Memcached
+type MemcachedList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []Memcached `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&Memcached{}, &MemcachedList{})
+}

api/v1alpha1/zz_generated.deepcopy.go

@@ -0,0 +1,230 @@
+// +build !ignore_autogenerated
+
+/*
+
+
+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.
+*/
+
+// Code generated by controller-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Mcrouter) DeepCopyInto(out *Mcrouter) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	in.Spec.DeepCopyInto(&out.Spec)
+	out.Status = in.Status
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Mcrouter.
+func (in *Mcrouter) DeepCopy() *Mcrouter {
+	if in == nil {
+		return nil
+	}
+	out := new(Mcrouter)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *Mcrouter) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *McrouterList) DeepCopyInto(out *McrouterList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]Mcrouter, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new McrouterList.
+func (in *McrouterList) DeepCopy() *McrouterList {
+	if in == nil {
+		return nil
+	}
+	out := new(McrouterList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *McrouterList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *McrouterPoolSpec) DeepCopyInto(out *McrouterPoolSpec) {
+	*out = *in
+	if in.Servers != nil {
+		in, out := &in.Servers, &out.Servers
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new McrouterPoolSpec.
+func (in *McrouterPoolSpec) DeepCopy() *McrouterPoolSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(McrouterPoolSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *McrouterSpec) DeepCopyInto(out *McrouterSpec) {
+	*out = *in
+	if in.Pools != nil {
+		in, out := &in.Pools, &out.Pools
+		*out = make(map[string]McrouterPoolSpec, len(*in))
+		for key, val := range *in {
+			(*out)[key] = *val.DeepCopy()
+		}
+	}
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new McrouterSpec.
+func (in *McrouterSpec) DeepCopy() *McrouterSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(McrouterSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *McrouterStatus) DeepCopyInto(out *McrouterStatus) {
+	*out = *in
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new McrouterStatus.
+func (in *McrouterStatus) DeepCopy() *McrouterStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(McrouterStatus)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Memcached) DeepCopyInto(out *Memcached) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	out.Status = in.Status
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Memcached.
+func (in *Memcached) DeepCopy() *Memcached {
+	if in == nil {
+		return nil
+	}
+	out := new(Memcached)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *Memcached) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *MemcachedList) DeepCopyInto(out *MemcachedList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]Memcached, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MemcachedList.
+func (in *MemcachedList) DeepCopy() *MemcachedList {
+	if in == nil {
+		return nil
+	}
+	out := new(MemcachedList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *MemcachedList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *MemcachedSpec) DeepCopyInto(out *MemcachedSpec) {
+	*out = *in
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MemcachedSpec.
+func (in *MemcachedSpec) DeepCopy() *MemcachedSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(MemcachedSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *MemcachedStatus) DeepCopyInto(out *MemcachedStatus) {
+	*out = *in
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MemcachedStatus.
+func (in *MemcachedStatus) DeepCopy() *MemcachedStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(MemcachedStatus)
+	in.DeepCopyInto(out)
+	return out
+}

chart/Chart.yaml

@@ -0,0 +1,11 @@
+
+---
+apiVersion: v1
+name: openstack-operator
+version: 0.0.0
+description: Operator for deploying OpenStack
+home: https://opendev.org/vexxhost/openstack-operator
+maintainers:
+- name: Mohammed Naser
+  email: mnaser@vexxhost.com
+  url: https://github.com/mnaser

chart/crds/infrastructure.vexxhost.cloud_mcrouters.yaml

@@ -0,0 +1,75 @@
+
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.2.5
+  creationTimestamp: null
+  name: mcrouters.infrastructure.vexxhost.cloud
+spec:
+  group: infrastructure.vexxhost.cloud
+  names:
+    kind: Mcrouter
+    listKind: McrouterList
+    plural: mcrouters
+    singular: mcrouter
+  scope: Namespaced
+  validation:
+    openAPIV3Schema:
+      description: Mcrouter is the Schema for the mcrouters API
+      properties:
+        apiVersion:
+          description: 'APIVersion defines the versioned schema of this representation
+            of an object. Servers should convert recognized schemas to the latest
+            internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+          type: string
+        kind:
+          description: 'Kind is a string value representing the REST resource this
+            object represents. Servers may infer this from the endpoint the client
+            submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+          type: string
+        metadata:
+          type: object
+        spec:
+          description: McrouterSpec defines the desired state of Mcrouter
+          properties:
+            pools:
+              additionalProperties:
+                description: McrouterPoolSpec defines the desired state of an Mcrouter
+                  pool
+                properties:
+                  servers:
+                    items:
+                      type: string
+                    type: array
+                required:
+                - servers
+                type: object
+              type: object
+            route:
+              type: string
+          required:
+          - pools
+          - route
+          type: object
+        status:
+          description: McrouterStatus defines the observed state of Mcrouter
+          properties:
+            phase:
+              type: string
+          required:
+          - phase
+          type: object
+      type: object
+  version: v1alpha1
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

chart/crds/infrastructure.vexxhost.cloud_memcacheds.yaml

@@ -0,0 +1,56 @@
+
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.2.5
+  creationTimestamp: null
+  name: memcacheds.infrastructure.vexxhost.cloud
+spec:
+  group: infrastructure.vexxhost.cloud
+  names:
+    kind: Memcached
+    listKind: MemcachedList
+    plural: memcacheds
+    singular: memcached
+  scope: Namespaced
+  validation:
+    openAPIV3Schema:
+      description: Memcached is the Schema for the memcacheds API
+      properties:
+        apiVersion:
+          description: 'APIVersion defines the versioned schema of this representation
+            of an object. Servers should convert recognized schemas to the latest
+            internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+          type: string
+        kind:
+          description: 'Kind is a string value representing the REST resource this
+            object represents. Servers may infer this from the endpoint the client
+            submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+          type: string
+        metadata:
+          type: object
+        spec:
+          description: MemcachedSpec defines the desired state of Memcached
+          properties:
+            megabytes:
+              type: integer
+          required:
+          - megabytes
+          type: object
+        status:
+          description: MemcachedStatus defines the observed state of Memcached
+          type: object
+      type: object
+  version: v1alpha1
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

chart/templates/_helpers.tpl

@@ -0,0 +1,40 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "openstack-operator.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "openstack-operator.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Generate basic labels
+*/}}
+{{- define "openstack-operator.labels" }}
+app.kubernetes.io/name: {{ .Chart.Name }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "openstack-operator.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

chart/templates/clusterrole.yaml

@@ -0,0 +1,85 @@
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  creationTimestamp: null
+  name: openstack-operator
+rules:
+- apiGroups:
+  - apps
+  resources:
+  - deployments
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  - services
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters/status
+  verbs:
+  - get
+  - patch
+  - update
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds/status
+  verbs:
+  - get
+  - patch
+  - update

chart/templates/clusterrolebinding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: {{ .Release.Name }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: openstack-operator
+subjects:
+- kind: ServiceAccount
+  name: {{ include "openstack-operator.fullname" . }}
+  namespace: {{ .Release.Namespace }}

chart/templates/crds.yaml

@@ -0,0 +1,4 @@
+{{- range $path, $bytes := .Files.Glob "crds/*.yaml" }}
+{{ $.Files.Get $path }}
+---
+{{- end }}

chart/templates/deployment.yaml

@@ -0,0 +1,39 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  namespace: {{ .Release.Namespace }}
+  name: {{ include "openstack-operator.fullname" . }}
+  labels:
+{{ include "openstack-operator.labels" . | indent 4 }}
+spec:
+  selector:
+    matchLabels:
+{{ include "openstack-operator.labels" . | indent 6 }}
+  template:
+    metadata:
+      labels:
+{{ include "openstack-operator.labels" $ | indent 8 }}
+    spec:
+      serviceAccountName: {{ include "openstack-operator.fullname" . }}
+      terminationGracePeriodSeconds: 10
+      containers:
+      - name: operator
+        image: vexxhost/openstack-operator:latest
+        args:
+        - --enable-leader-election
+        resources:
+          limits:
+            cpu: 100m
+            memory: 30Mi
+          requests:
+            cpu: 100m
+            memory: 20Mi
+{{- with .Values.tolerations }}
+      tolerations:
+{{ toYaml . | indent 8 }}
+{{- end }}
+{{- with .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml . | indent 8 }}
+{{- end }}

chart/templates/role.yaml

@@ -0,0 +1,31 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ include "openstack-operator.fullname" . }}
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - configmaps/status
+  verbs:
+  - get
+  - update
+  - patch
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create

chart/templates/rolebinding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: {{ include "openstack-operator.fullname" . }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ include "openstack-operator.fullname" . }}
+subjects:
+- kind: ServiceAccount
+  name: {{ include "openstack-operator.fullname" . }}
+  namespace: {{ .Release.Namespace }}

chart/templates/serviceaccount.yaml

@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "openstack-operator.fullname" . }}

config/certmanager/certificate.yaml

@@ -0,0 +1,26 @@
+# The following manifests contain a self-signed issuer CR and a certificate CR.
+# More document can be found at https://docs.cert-manager.io
+# WARNING: Targets CertManager 0.11 check https://docs.cert-manager.io/en/latest/tasks/upgrading/index.html for 
+# breaking changes
+apiVersion: cert-manager.io/v1alpha2
+kind: Issuer
+metadata:
+  name: selfsigned-issuer
+  namespace: system
+spec:
+  selfSigned: {}
+---
+apiVersion: cert-manager.io/v1alpha2
+kind: Certificate
+metadata:
+  name: serving-cert  # this name should match the one appeared in kustomizeconfig.yaml
+  namespace: system
+spec:
+  # $(SERVICE_NAME) and $(SERVICE_NAMESPACE) will be substituted by kustomize
+  dnsNames:
+  - $(SERVICE_NAME).$(SERVICE_NAMESPACE).svc
+  - $(SERVICE_NAME).$(SERVICE_NAMESPACE).svc.cluster.local
+  issuerRef:
+    kind: Issuer
+    name: selfsigned-issuer
+  secretName: webhook-server-cert # this secret will not be prefixed, since it's not managed by kustomize

config/certmanager/kustomization.yaml

@@ -0,0 +1,5 @@
+resources:
+- certificate.yaml
+
+configurations:
+- kustomizeconfig.yaml

config/certmanager/kustomizeconfig.yaml

@@ -0,0 +1,16 @@
+# This configuration is for teaching kustomize how to update name ref and var substitution 
+nameReference:
+- kind: Issuer
+  group: cert-manager.io
+  fieldSpecs:
+  - kind: Certificate
+    group: cert-manager.io
+    path: spec/issuerRef/name
+
+varReference:
+- kind: Certificate
+  group: cert-manager.io
+  path: spec/commonName
+- kind: Certificate
+  group: cert-manager.io
+  path: spec/dnsNames

config/crd/bases/infrastructure.vexxhost.cloud_mcrouters.yaml

@@ -0,0 +1,75 @@
+
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.2.5
+  creationTimestamp: null
+  name: mcrouters.infrastructure.vexxhost.cloud
+spec:
+  group: infrastructure.vexxhost.cloud
+  names:
+    kind: Mcrouter
+    listKind: McrouterList
+    plural: mcrouters
+    singular: mcrouter
+  scope: Namespaced
+  validation:
+    openAPIV3Schema:
+      description: Mcrouter is the Schema for the mcrouters API
+      properties:
+        apiVersion:
+          description: 'APIVersion defines the versioned schema of this representation
+            of an object. Servers should convert recognized schemas to the latest
+            internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+          type: string
+        kind:
+          description: 'Kind is a string value representing the REST resource this
+            object represents. Servers may infer this from the endpoint the client
+            submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+          type: string
+        metadata:
+          type: object
+        spec:
+          description: McrouterSpec defines the desired state of Mcrouter
+          properties:
+            pools:
+              additionalProperties:
+                description: McrouterPoolSpec defines the desired state of an Mcrouter
+                  pool
+                properties:
+                  servers:
+                    items:
+                      type: string
+                    type: array
+                required:
+                - servers
+                type: object
+              type: object
+            route:
+              type: string
+          required:
+          - pools
+          - route
+          type: object
+        status:
+          description: McrouterStatus defines the observed state of Mcrouter
+          properties:
+            phase:
+              type: string
+          required:
+          - phase
+          type: object
+      type: object
+  version: v1alpha1
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

config/crd/bases/infrastructure.vexxhost.cloud_memcacheds.yaml

@@ -0,0 +1,56 @@
+
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.2.5
+  creationTimestamp: null
+  name: memcacheds.infrastructure.vexxhost.cloud
+spec:
+  group: infrastructure.vexxhost.cloud
+  names:
+    kind: Memcached
+    listKind: MemcachedList
+    plural: memcacheds
+    singular: memcached
+  scope: Namespaced
+  validation:
+    openAPIV3Schema:
+      description: Memcached is the Schema for the memcacheds API
+      properties:
+        apiVersion:
+          description: 'APIVersion defines the versioned schema of this representation
+            of an object. Servers should convert recognized schemas to the latest
+            internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+          type: string
+        kind:
+          description: 'Kind is a string value representing the REST resource this
+            object represents. Servers may infer this from the endpoint the client
+            submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+          type: string
+        metadata:
+          type: object
+        spec:
+          description: MemcachedSpec defines the desired state of Memcached
+          properties:
+            megabytes:
+              type: integer
+          required:
+          - megabytes
+          type: object
+        status:
+          description: MemcachedStatus defines the observed state of Memcached
+          type: object
+      type: object
+  version: v1alpha1
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

config/crd/kustomization.yaml

@@ -0,0 +1,24 @@
+# This kustomization.yaml is not intended to be run by itself,
+# since it depends on service name and namespace that are out of this kustomize package.
+# It should be run by config/default
+resources:
+- bases/infrastructure.vexxhost.cloud_mcrouters.yaml
+- bases/infrastructure.vexxhost.cloud_memcacheds.yaml
+# +kubebuilder:scaffold:crdkustomizeresource
+
+patchesStrategicMerge:
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
+# patches here are for enabling the conversion webhook for each CRD
+#- patches/webhook_in_mcrouters.yaml
+#- patches/webhook_in_memcacheds.yaml
+# +kubebuilder:scaffold:crdkustomizewebhookpatch
+
+# [CERTMANAGER] To enable webhook, uncomment all the sections with [CERTMANAGER] prefix.
+# patches here are for enabling the CA injection for each CRD
+#- patches/cainjection_in_mcrouters.yaml
+#- patches/cainjection_in_memcacheds.yaml
+# +kubebuilder:scaffold:crdkustomizecainjectionpatch
+
+# the following config is for teaching kustomize how to do kustomization for CRDs.
+configurations:
+- kustomizeconfig.yaml

config/crd/kustomizeconfig.yaml

@@ -0,0 +1,17 @@
+# This file is for teaching kustomize how to substitute name and namespace reference in CRD
+nameReference:
+- kind: Service
+  version: v1
+  fieldSpecs:
+  - kind: CustomResourceDefinition
+    group: apiextensions.k8s.io
+    path: spec/conversion/webhookClientConfig/service/name
+
+namespace:
+- kind: CustomResourceDefinition
+  group: apiextensions.k8s.io
+  path: spec/conversion/webhookClientConfig/service/namespace
+  create: false
+
+varReference:
+- path: metadata/annotations

config/crd/patches/cainjection_in_mcrouters.yaml

@@ -0,0 +1,8 @@
+# The following patch adds a directive for certmanager to inject CA into the CRD
+# CRD conversion requires k8s 1.13 or later.
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
+  name: mcrouters.infrastructure.vexxhost.cloud

config/crd/patches/cainjection_in_memcacheds.yaml

@@ -0,0 +1,8 @@
+# The following patch adds a directive for certmanager to inject CA into the CRD
+# CRD conversion requires k8s 1.13 or later.
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
+  name: memcacheds.infrastructure.vexxhost.cloud

config/crd/patches/webhook_in_mcrouters.yaml

@@ -0,0 +1,17 @@
+# The following patch enables conversion webhook for CRD
+# CRD conversion requires k8s 1.13 or later.
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: mcrouters.infrastructure.vexxhost.cloud
+spec:
+  conversion:
+    strategy: Webhook
+    webhookClientConfig:
+      # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank,
+      # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager)
+      caBundle: Cg==
+      service:
+        namespace: system
+        name: webhook-service
+        path: /convert

config/crd/patches/webhook_in_memcacheds.yaml

@@ -0,0 +1,17 @@
+# The following patch enables conversion webhook for CRD
+# CRD conversion requires k8s 1.13 or later.
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: memcacheds.infrastructure.vexxhost.cloud
+spec:
+  conversion:
+    strategy: Webhook
+    webhookClientConfig:
+      # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank,
+      # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager)
+      caBundle: Cg==
+      service:
+        namespace: system
+        name: webhook-service
+        path: /convert

config/default/kustomization.yaml

@@ -0,0 +1,70 @@
+# Adds namespace to all resources.
+namespace: openstack-operator-system
+
+# Value of this field is prepended to the
+# names of all resources, e.g. a deployment named
+# "wordpress" becomes "alices-wordpress".
+# Note that it should also match with the prefix (text before '-') of the namespace
+# field above.
+namePrefix: openstack-operator-
+
+# Labels to add to all resources and selectors.
+#commonLabels:
+#  someName: someValue
+
+bases:
+- ../crd
+- ../rbac
+- ../manager
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in 
+# crd/kustomization.yaml
+#- ../webhook
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required.
+#- ../certmanager
+# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'. 
+#- ../prometheus
+
+patchesStrategicMerge:
+  # Protect the /metrics endpoint by putting it behind auth.
+  # If you want your controller-manager to expose the /metrics
+  # endpoint w/o any authn/z, please comment the following line.
+- manager_auth_proxy_patch.yaml
+
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in 
+# crd/kustomization.yaml
+#- manager_webhook_patch.yaml
+
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'.
+# Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks.
+# 'CERTMANAGER' needs to be enabled to use ca injection
+#- webhookcainjection_patch.yaml
+
+# the following config is for teaching kustomize how to do var substitution
+vars:
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix.
+#- name: CERTIFICATE_NAMESPACE # namespace of the certificate CR
+#  objref:
+#    kind: Certificate
+#    group: cert-manager.io
+#    version: v1alpha2
+#    name: serving-cert # this name should match the one in certificate.yaml
+#  fieldref:
+#    fieldpath: metadata.namespace
+#- name: CERTIFICATE_NAME
+#  objref:
+#    kind: Certificate
+#    group: cert-manager.io
+#    version: v1alpha2
+#    name: serving-cert # this name should match the one in certificate.yaml
+#- name: SERVICE_NAMESPACE # namespace of the service
+#  objref:
+#    kind: Service
+#    version: v1
+#    name: webhook-service
+#  fieldref:
+#    fieldpath: metadata.namespace
+#- name: SERVICE_NAME
+#  objref:
+#    kind: Service
+#    version: v1
+#    name: webhook-service

config/default/manager_auth_proxy_patch.yaml

@@ -0,0 +1,25 @@
+# This patch inject a sidecar container which is a HTTP proxy for the 
+# controller manager, it performs RBAC authorization against the Kubernetes API using SubjectAccessReviews.
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: controller-manager
+  namespace: system
+spec:
+  template:
+    spec:
+      containers:
+      - name: kube-rbac-proxy
+        image: gcr.io/kubebuilder/kube-rbac-proxy:v0.4.1
+        args:
+        - "--secure-listen-address=0.0.0.0:8443"
+        - "--upstream=http://127.0.0.1:8080/"
+        - "--logtostderr=true"
+        - "--v=10"
+        ports:
+        - containerPort: 8443
+          name: https
+      - name: manager
+        args:
+        - "--metrics-addr=127.0.0.1:8080"
+        - "--enable-leader-election"

config/default/manager_webhook_patch.yaml

@@ -0,0 +1,23 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: controller-manager
+  namespace: system
+spec:
+  template:
+    spec:
+      containers:
+      - name: manager
+        ports:
+        - containerPort: 9443
+          name: webhook-server
+          protocol: TCP
+        volumeMounts:
+        - mountPath: /tmp/k8s-webhook-server/serving-certs
+          name: cert
+          readOnly: true
+      volumes:
+      - name: cert
+        secret:
+          defaultMode: 420
+          secretName: webhook-server-cert

config/default/webhookcainjection_patch.yaml

@@ -0,0 +1,15 @@
+# This patch add annotation to admission webhook config and
+# the variables $(CERTIFICATE_NAMESPACE) and $(CERTIFICATE_NAME) will be substituted by kustomize.
+apiVersion: admissionregistration.k8s.io/v1beta1
+kind: MutatingWebhookConfiguration
+metadata:
+  name: mutating-webhook-configuration
+  annotations:
+    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
+---
+apiVersion: admissionregistration.k8s.io/v1beta1
+kind: ValidatingWebhookConfiguration
+metadata:
+  name: validating-webhook-configuration
+  annotations:
+    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)

config/manager/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+- manager.yaml

config/manager/manager.yaml

@@ -0,0 +1,39 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    control-plane: controller-manager
+  name: system
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: controller-manager
+  namespace: system
+  labels:
+    control-plane: controller-manager
+spec:
+  selector:
+    matchLabels:
+      control-plane: controller-manager
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        control-plane: controller-manager
+    spec:
+      containers:
+      - command:
+        - /manager
+        args:
+        - --enable-leader-election
+        image: controller:latest
+        name: manager
+        resources:
+          limits:
+            cpu: 100m
+            memory: 30Mi
+          requests:
+            cpu: 100m
+            memory: 20Mi
+      terminationGracePeriodSeconds: 10

config/prometheus/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+- monitor.yaml

config/prometheus/monitor.yaml

@@ -0,0 +1,16 @@
+
+# Prometheus Monitor Service (Metrics)
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    control-plane: controller-manager
+  name: controller-manager-metrics-monitor
+  namespace: system
+spec:
+  endpoints:
+    - path: /metrics
+      port: https
+  selector:
+    matchLabels:
+      control-plane: controller-manager

config/rbac/auth_proxy_client_clusterrole.yaml

@@ -0,0 +1,7 @@
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: metrics-reader
+rules:
+- nonResourceURLs: ["/metrics"]
+  verbs: ["get"]

config/rbac/auth_proxy_role.yaml

@@ -0,0 +1,13 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: proxy-role
+rules:
+- apiGroups: ["authentication.k8s.io"]
+  resources:
+  - tokenreviews
+  verbs: ["create"]
+- apiGroups: ["authorization.k8s.io"]
+  resources:
+  - subjectaccessreviews
+  verbs: ["create"]

config/rbac/auth_proxy_role_binding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: proxy-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: proxy-role
+subjects:
+- kind: ServiceAccount
+  name: default
+  namespace: system

config/rbac/auth_proxy_service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    control-plane: controller-manager
+  name: controller-manager-metrics-service
+  namespace: system
+spec:
+  ports:
+  - name: https
+    port: 8443
+    targetPort: https
+  selector:
+    control-plane: controller-manager

config/rbac/kustomization.yaml

@@ -0,0 +1,12 @@
+resources:
+- role.yaml
+- role_binding.yaml
+- leader_election_role.yaml
+- leader_election_role_binding.yaml
+# Comment the following 4 lines if you want to disable
+# the auth proxy (https://github.com/brancz/kube-rbac-proxy)
+# which protects your /metrics endpoint.
+- auth_proxy_service.yaml
+- auth_proxy_role.yaml
+- auth_proxy_role_binding.yaml
+- auth_proxy_client_clusterrole.yaml

config/rbac/leader_election_role.yaml

@@ -0,0 +1,32 @@
+# permissions to do leader election.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: leader-election-role
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - configmaps/status
+  verbs:
+  - get
+  - update
+  - patch
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create

config/rbac/leader_election_role_binding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: leader-election-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: leader-election-role
+subjects:
+- kind: ServiceAccount
+  name: default
+  namespace: system

config/rbac/mcrouter_editor_role.yaml

@@ -0,0 +1,24 @@
+# permissions for end users to edit mcrouters.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: mcrouter-editor-role
+rules:
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters/status
+  verbs:
+  - get

config/rbac/mcrouter_viewer_role.yaml

@@ -0,0 +1,20 @@
+# permissions for end users to view mcrouters.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: mcrouter-viewer-role
+rules:
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters/status
+  verbs:
+  - get

config/rbac/memcached_editor_role.yaml

@@ -0,0 +1,24 @@
+# permissions for end users to edit memcacheds.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: memcached-editor-role
+rules:
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds/status
+  verbs:
+  - get

config/rbac/memcached_viewer_role.yaml

@@ -0,0 +1,20 @@
+# permissions for end users to view memcacheds.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: memcached-viewer-role
+rules:
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds/status
+  verbs:
+  - get

config/rbac/role.yaml

@@ -0,0 +1,85 @@
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  creationTimestamp: null
+  name: manager-role
+rules:
+- apiGroups:
+  - apps
+  resources:
+  - deployments
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  - services
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - mcrouters/status
+  verbs:
+  - get
+  - patch
+  - update
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - infrastructure.vexxhost.cloud
+  resources:
+  - memcacheds/status
+  verbs:
+  - get
+  - patch
+  - update

config/rbac/role_binding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: manager-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: manager-role
+subjects:
+- kind: ServiceAccount
+  name: default
+  namespace: system

config/samples/infrastructure_v1alpha1_mcrouter.yaml

@@ -0,0 +1,9 @@
+apiVersion: infrastructure.vexxhost.cloud/v1alpha1
+kind: Mcrouter
+metadata:
+  name: sample
+spec:
+  route: PoolRoute|default
+  pools:
+    default:
+      servers: ['10.0.0.1:11211', '10.0.0.2:11211']

config/samples/infrastructure_v1alpha1_memcached.yaml

@@ -0,0 +1,6 @@
+apiVersion: infrastructure.vexxhost.cloud/v1alpha1
+kind: Memcached
+metadata:
+  name: sample
+spec:
+  megabytes: 128

config/webhook/kustomization.yaml

@@ -0,0 +1,6 @@
+resources:
+- manifests.yaml
+- service.yaml
+
+configurations:
+- kustomizeconfig.yaml

config/webhook/kustomizeconfig.yaml

@@ -0,0 +1,25 @@
+# the following config is for teaching kustomize where to look at when substituting vars.
+# It requires kustomize v2.1.0 or newer to work properly.
+nameReference:
+- kind: Service
+  version: v1
+  fieldSpecs:
+  - kind: MutatingWebhookConfiguration
+    group: admissionregistration.k8s.io
+    path: webhooks/clientConfig/service/name
+  - kind: ValidatingWebhookConfiguration
+    group: admissionregistration.k8s.io
+    path: webhooks/clientConfig/service/name
+
+namespace:
+- kind: MutatingWebhookConfiguration
+  group: admissionregistration.k8s.io
+  path: webhooks/clientConfig/service/namespace
+  create: true
+- kind: ValidatingWebhookConfiguration
+  group: admissionregistration.k8s.io
+  path: webhooks/clientConfig/service/namespace
+  create: true
+
+varReference:
+- path: metadata/annotations

config/webhook/service.yaml

@@ -0,0 +1,12 @@
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: webhook-service
+  namespace: system
+spec:
+  ports:
+    - port: 443
+      targetPort: 9443
+  selector:
+    control-plane: controller-manager

controllers/mcrouter_controller.go

@@ -0,0 +1,186 @@
+package controllers
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/go-logr/logr"
+	appsv1 "k8s.io/api/apps/v1"
+	corev1 "k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/intstr"
+	"k8s.io/utils/pointer"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+
+	infrastructurev1alpha1 "opendev.org/vexxhost/openstack-operator/api/v1alpha1"
+	"opendev.org/vexxhost/openstack-operator/version"
+)
+
+// McrouterReconciler reconciles a Mcrouter object
+type McrouterReconciler struct {
+	client.Client
+	Log    logr.Logger
+	Scheme *runtime.Scheme
+}
+
+// +kubebuilder:rbac:groups=infrastructure.vexxhost.cloud,resources=mcrouters,verbs=get;list;watch;create;update;patch;delete
+// +kubebuilder:rbac:groups=infrastructure.vexxhost.cloud,resources=mcrouters/status,verbs=get;update;patch
+
+// +kubebuilder:rbac:groups=core,resources=configmaps;services,verbs=get;list;watch;create;update;patch;delete
+// +kubebuilder:rbac:groups=apps,resources=deployments,verbs=get;list;watch;create;update;patch;delete
+
+// Reconcile does the reconcilication of Mcrouter instances
+func (r *McrouterReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
+	ctx := context.Background()
+	log := r.Log.WithValues("mcrouter", req.NamespacedName)
+
+	var mcrouter infrastructurev1alpha1.Mcrouter
+	if err := r.Get(ctx, req.NamespacedName, &mcrouter); err != nil {
+		return ctrl.Result{}, client.IgnoreNotFound(err)
+	}
+
+	// Labels
+	labels := map[string]string{
+		"app.kubernetes.io/name":     "mcrouter",
+		"app.kubernetes.io/instance": req.Name,
+	}
+
+	// ConfigMap
+	configMap := &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: req.Namespace,
+			Name:      fmt.Sprintf("mcrouter-%s", req.Name),
+			Labels:    labels,
+		},
+	}
+	op, err := controllerutil.CreateOrUpdate(ctx, r, configMap, func() error {
+		b, err := json.Marshal(mcrouter.Spec)
+		if err != nil {
+			return err
+		}
+
+		configMap.Data = map[string]string{
+			"config.json": string(b),
+		}
+
+		return controllerutil.SetControllerReference(&mcrouter, configMap, r.Scheme)
+	})
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+	log.WithValues("resource", "ConfigMap").WithValues("op", op).Info("Reconciled")
+
+	// Deployment
+	deployment := &appsv1.Deployment{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: req.Namespace,
+			Name:      fmt.Sprintf("mcrouter-%s", req.Name),
+			Labels:    labels,
+		},
+	}
+	op, err = controllerutil.CreateOrUpdate(ctx, r, deployment, func() error {
+		if deployment.ObjectMeta.CreationTimestamp.IsZero() {
+			deployment.Spec.Selector = &metav1.LabelSelector{
+				MatchLabels: labels,
+			}
+		}
+
+		deployment.Spec.Replicas = pointer.Int32Ptr(2)
+		deployment.Spec.Template = corev1.PodTemplateSpec{
+			ObjectMeta: metav1.ObjectMeta{
+				Labels: labels,
+			},
+			Spec: corev1.PodSpec{
+				Containers: []corev1.Container{
+					{
+						Name:  "mcrouter",
+						Image: fmt.Sprintf("vexxhost/mcrouter:%s", version.Revision),
+						Args:  []string{"-p", "11211", "-f", "/data/config.json"},
+						Ports: []v1.ContainerPort{
+							{
+								Name:          "mcrouter",
+								ContainerPort: int32(11211),
+							},
+						},
+						VolumeMounts: []v1.VolumeMount{
+							{
+								Name:      "config",
+								MountPath: "/data",
+							},
+						},
+					},
+					{
+						Name:  "exporter",
+						Image: fmt.Sprintf("vexxhost/mcrouter_exporter:%s", version.Revision),
+						Args:  []string{"-mcrouter.address", "localhost:11211"},
+						Ports: []v1.ContainerPort{
+							{
+								Name:          "metrics",
+								ContainerPort: int32(9442),
+							},
+						},
+					},
+				},
+				Volumes: []corev1.Volume{
+					{
+						Name: "config",
+						VolumeSource: corev1.VolumeSource{
+							ConfigMap: &corev1.ConfigMapVolumeSource{
+								LocalObjectReference: v1.LocalObjectReference{Name: configMap.GetName()},
+							},
+						},
+					},
+				},
+			},
+		}
+
+		return controllerutil.SetControllerReference(&mcrouter, deployment, r.Scheme)
+	})
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+	log.WithValues("resource", "Deployment").WithValues("op", op).Info("Reconciled")
+
+	// Service
+	service := &corev1.Service{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: req.Namespace,
+			Name:      fmt.Sprintf("mcrouter-%s", req.Name),
+			Labels:    labels,
+		},
+	}
+	op, err = controllerutil.CreateOrUpdate(ctx, r, service, func() error {
+		service.Spec.Type = corev1.ServiceTypeClusterIP
+		service.Spec.Ports = []v1.ServicePort{
+			{
+				Name:       "mcrouter",
+				Port:       int32(11211),
+				TargetPort: intstr.FromString("mcrouter"),
+			},
+		}
+		service.Spec.Selector = labels
+
+		return controllerutil.SetControllerReference(&mcrouter, service, r.Scheme)
+	})
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+	log.WithValues("resource", "Service").WithValues("op", op).Info("Reconciled")
+
+	return ctrl.Result{}, nil
+}
+
+// SetupWithManager initializes the controller with primary manager
+func (r *McrouterReconciler) SetupWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewControllerManagedBy(mgr).
+		For(&infrastructurev1alpha1.Mcrouter{}).
+		Owns(&corev1.ConfigMap{}).
+		Owns(&appsv1.Deployment{}).
+		Owns(&corev1.Service{}).
+		Complete(r)
+}

controllers/memcached_controller.go

@@ -0,0 +1,181 @@
+/*
+
+
+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 controllers
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	"github.com/go-logr/logr"
+	appsv1 "k8s.io/api/apps/v1"
+	corev1 "k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/utils/pointer"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+
+	infrastructurev1alpha1 "opendev.org/vexxhost/openstack-operator/api/v1alpha1"
+	"opendev.org/vexxhost/openstack-operator/version"
+)
+
+// MemcachedReconciler reconciles a Memcached object
+type MemcachedReconciler struct {
+	client.Client
+	Log    logr.Logger
+	Scheme *runtime.Scheme
+}
+
+// +kubebuilder:rbac:groups=infrastructure.vexxhost.cloud,resources=memcacheds,verbs=get;list;watch;create;update;patch;delete
+// +kubebuilder:rbac:groups=infrastructure.vexxhost.cloud,resources=memcacheds/status,verbs=get;update;patch
+
+// +kubebuilder:rbac:groups=core,resources=pods,verbs=get;list;watch;create;update;patch;delete
+// +kubebuilder:rbac:groups=apps,resources=deployments,verbs=get;list;watch;create;update;patch;delete
+
+// Reconcile does the reconcilication of Memcached instances
+func (r *MemcachedReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
+	ctx := context.Background()
+	log := r.Log.WithValues("memcached", req.NamespacedName)
+
+	var memcached infrastructurev1alpha1.Memcached
+	if err := r.Get(ctx, req.NamespacedName, &memcached); err != nil {
+		return ctrl.Result{}, client.IgnoreNotFound(err)
+	}
+
+	// Calculate size per shared
+	size := memcached.Spec.Megabytes / 2
+
+	// Labels
+	labels := map[string]string{
+		"app.kubernetes.io/name":     "memcached",
+		"app.kubernetes.io/instance": req.Name,
+	}
+
+	// Deployment
+	deployment := &appsv1.Deployment{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: req.Namespace,
+			Name:      fmt.Sprintf("memcached-%s", req.Name),
+			Labels:    labels,
+		},
+	}
+	op, err := controllerutil.CreateOrUpdate(ctx, r, deployment, func() error {
+		if deployment.ObjectMeta.CreationTimestamp.IsZero() {
+			deployment.Spec.Selector = &metav1.LabelSelector{
+				MatchLabels: labels,
+			}
+		}
+
+		deployment.Spec.Replicas = pointer.Int32Ptr(2)
+		deployment.Spec.Template = corev1.PodTemplateSpec{
+			ObjectMeta: metav1.ObjectMeta{
+				Labels: labels,
+			},
+			Spec: corev1.PodSpec{
+				Containers: []corev1.Container{
+					{
+						Name:  "memcached",
+						Image: fmt.Sprintf("vexxhost/memcached:%s", version.Revision),
+						Args:  []string{"-m", strconv.Itoa(size)},
+						Ports: []v1.ContainerPort{
+							{
+								Name:          "memcached",
+								ContainerPort: int32(11211),
+							},
+						},
+					},
+					{
+						Name:  "exporter",
+						Image: fmt.Sprintf("vexxhost/memcached_exporter:%s", version.Revision),
+						Ports: []v1.ContainerPort{
+							{
+								Name:          "metrics",
+								ContainerPort: int32(9150),
+							},
+						},
+					},
+				},
+			},
+		}
+
+		return controllerutil.SetControllerReference(&memcached, deployment, r.Scheme)
+	})
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+	log.WithValues("resource", "Deployment").WithValues("op", op).Info("Reconciled")
+
+	// Pods
+	pods := &corev1.PodList{}
+	err = r.List(ctx, pods, client.InNamespace(req.Namespace), client.MatchingLabels(labels))
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+
+	// Generate list of pod IP addresses
+	servers := []string{}
+	for _, pod := range pods.Items {
+		// NOTE(mnaser): It's not possible that there is no pod IP assiged yet
+		if len(pod.Status.PodIP) == 0 {
+			continue
+		}
+
+		server := fmt.Sprintf("%s:11211", pod.Status.PodIP)
+		servers = append(servers, server)
+	}
+
+	// If we don't have any servers, requeue.
+	if len(servers) == 0 {
+		return ctrl.Result{Requeue: true}, nil
+	}
+
+	// Mcrouter
+	mcrouter := &infrastructurev1alpha1.Mcrouter{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: req.Namespace,
+			Name:      fmt.Sprintf("memcached-%s", req.Name),
+			Labels:    labels,
+		},
+	}
+	op, err = controllerutil.CreateOrUpdate(ctx, r, mcrouter, func() error {
+		mcrouter.Spec.Route = "PoolRoute|default"
+		mcrouter.Spec.Pools = map[string]infrastructurev1alpha1.McrouterPoolSpec{
+			"default": infrastructurev1alpha1.McrouterPoolSpec{
+				Servers: servers,
+			},
+		}
+
+		return controllerutil.SetControllerReference(&memcached, mcrouter, r.Scheme)
+	})
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+	log.WithValues("resource", "Mcrouter").WithValues("op", op).Info("Reconciled")
+
+	return ctrl.Result{}, nil
+}
+
+// SetupWithManager initializes the controller with primary manager
+func (r *MemcachedReconciler) SetupWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewControllerManagedBy(mgr).
+		For(&infrastructurev1alpha1.Memcached{}).
+		Owns(&appsv1.Deployment{}).
+		Complete(r)
+}

controllers/suite_test.go

@@ -0,0 +1,87 @@
+/*
+
+
+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 controllers
+
+import (
+	"path/filepath"
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"k8s.io/client-go/kubernetes/scheme"
+	"k8s.io/client-go/rest"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/envtest"
+	"sigs.k8s.io/controller-runtime/pkg/envtest/printer"
+	logf "sigs.k8s.io/controller-runtime/pkg/log"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+
+	infrastructurev1alpha1 "opendev.org/vexxhost/openstack-operator/api/v1alpha1"
+	// +kubebuilder:scaffold:imports
+)
+
+// These tests use Ginkgo (BDD-style Go testing framework). Refer to
+// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
+
+var cfg *rest.Config
+var k8sClient client.Client
+var testEnv *envtest.Environment
+
+func TestAPIs(t *testing.T) {
+	RegisterFailHandler(Fail)
+
+	RunSpecsWithDefaultAndCustomReporters(t,
+		"Controller Suite",
+		[]Reporter{printer.NewlineReporter{}})
+}
+
+var _ = BeforeSuite(func(done Done) {
+	logf.SetLogger(zap.LoggerTo(GinkgoWriter, true))
+
+	By("bootstrapping test environment")
+	testEnv = &envtest.Environment{
+		CRDDirectoryPaths: []string{filepath.Join("..", "config", "crd", "bases")},
+	}
+
+	var err error
+	cfg, err = testEnv.Start()
+	Expect(err).ToNot(HaveOccurred())
+	Expect(cfg).ToNot(BeNil())
+
+	err = infrastructurev1alpha1.AddToScheme(scheme.Scheme)
+	Expect(err).NotTo(HaveOccurred())
+
+	err = infrastructurev1alpha1.AddToScheme(scheme.Scheme)
+	Expect(err).NotTo(HaveOccurred())
+
+	err = infrastructurev1alpha1.AddToScheme(scheme.Scheme)
+	Expect(err).NotTo(HaveOccurred())
+
+	// +kubebuilder:scaffold:scheme
+
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
+	Expect(err).ToNot(HaveOccurred())
+	Expect(k8sClient).ToNot(BeNil())
+
+	close(done)
+}, 60)
+
+var _ = AfterSuite(func() {
+	By("tearing down the test environment")
+	err := testEnv.Stop()
+	Expect(err).ToNot(HaveOccurred())
+})

docs/components/mcrouter.md

@@ -0,0 +1,35 @@
+# Mcrouter
+
+Mcrouter is a memcached protocol router for scaling Memcached deployments. It
+is a core component of cache infrastructure at Facebook and Instagram where
+Mcrouter handles almost 5 billion requests per second at peak.
+
+OpenStack usually comes down to a halt if one of the Memcached instances don't
+respond anymore.  Mcrouter is used to enable high availability and redundancy
+so that any Memcached outages will not affect the OpenStack services.
+
+The only two possible reasons that we can have a full system slowdown at the
+moment remains:
+
+- All backends (Memcached instances) are all down
+- All Mcrouter replicas are down
+
+The first probably means there's a bigger issue in play, the latter will
+likely automatically recover by Kubernetes ensuring that replicas come back
+up.  Also, due to the fact that the service is exposed as a ClusterIP, it only
+takes a single replica to be up for everything to come back to start working
+again.
+
+## Example
+
+```yaml
+apiVersion: infrastructure.vexxhost.cloud/v1alpha1
+kind: Mcrouter
+metadata:
+  name: sample
+spec:
+  route: PoolRoute|default
+  pools:
+    default:
+      servers: ['10.0.0.1:11211', '10.0.0.2:11211']
+```

docs/components/memcached.md

@@ -0,0 +1,26 @@
+# Memcached
+
+Memcached is an in-memory key-value store for small chunks of arbitrary
+data (strings, objects) from results of database calls, API calls, or page
+rendering.
+
+It's used in OpenStack for a lot of token caching and in other services such
+as Nova to minimize load against the database cluster.  This operator allows
+you to deploy it and it automatically exposes a single IP address which will
+point towards any of the two Mcrouter instances which are pushing data out to
+the Memcached instances.
+
+It will also automatically take the total number of megabytes and split it 
+across two shards (so setting `megabytes` to `128`) will result in two instances
+each with 64 megabytes which are load balanced via Mcrouter.
+
+## Example
+
+```yaml
+apiVersion: infrastructure.vexxhost.cloud/v1alpha1
+kind: Memcached
+metadata:
+  name: sample
+spec:
+  megabytes: 128
+```

go.mod

@@ -0,0 +1,14 @@
+module opendev.org/vexxhost/openstack-operator
+
+go 1.13
+
+require (
+	github.com/go-logr/logr v0.1.0
+	github.com/onsi/ginkgo v1.11.0
+	github.com/onsi/gomega v1.8.1
+	k8s.io/api v0.17.2
+	k8s.io/apimachinery v0.17.2
+	k8s.io/client-go v0.17.2
+	k8s.io/utils v0.0.0-20191114184206-e782cd3c129f
+	sigs.k8s.io/controller-runtime v0.5.0
+)

go.sum

@@ -0,0 +1,448 @@
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hack/boilerplate.go.txt

@@ -0,0 +1,15 @@
+/*
+
+
+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.
+*/

images/mcrouter/Dockerfile

@@ -0,0 +1,13 @@
+FROM ubuntu:bionic
+
+RUN apt update && \
+    apt install -y --no-install-recommends ca-certificates wget gnupg && \
+    wget -O - https://facebook.github.io/mcrouter/debrepo/bionic/PUBLIC.KEY | apt-key add && \
+    echo "deb https://facebook.github.io/mcrouter/debrepo/bionic bionic contrib" >> /etc/apt/sources.list && \
+    apt update && \
+    apt install -y mcrouter && \
+    apt remove -y wget gnupg && \
+    apt autoremove -y && \
+    apt clean all
+
+ENTRYPOINT ["/usr/bin/mcrouter"]

images/mcrouter_exporter/Dockerfile

@@ -0,0 +1,9 @@
+FROM golang:1.13 AS builder
+RUN go get -v -u github.com/Dev25/mcrouter_exporter && \
+    cd $GOPATH/src/github.com/Dev25/mcrouter_exporter && \
+    CGO_ENABLED=0 go build -a -installsuffix cgo -o /app
+
+FROM scratch
+COPY --from=builder /app /mcrouter_exporter
+EXPOSE 9442
+ENTRYPOINT ["/mcrouter_exporter"]

images/memcached/Dockerfile

@@ -0,0 +1 @@
+FROM memcached:latest

images/memcached_exporter/Dockerfile

@@ -0,0 +1 @@
+FROM prom/memcached-exporter:latest

main.go

@@ -0,0 +1,93 @@
+/*
+
+
+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 main
+
+import (
+	"flag"
+	"os"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+
+	infrastructurev1alpha1 "opendev.org/vexxhost/openstack-operator/api/v1alpha1"
+	"opendev.org/vexxhost/openstack-operator/controllers"
+	"opendev.org/vexxhost/openstack-operator/version"
+	// +kubebuilder:scaffold:imports
+)
+
+var (
+	scheme   = runtime.NewScheme()
+	setupLog = ctrl.Log.WithName("setup")
+)
+
+func init() {
+	_ = clientgoscheme.AddToScheme(scheme)
+
+	_ = infrastructurev1alpha1.AddToScheme(scheme)
+	// +kubebuilder:scaffold:scheme
+}
+
+func main() {
+	var metricsAddr string
+	var enableLeaderElection bool
+	flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
+	flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
+		"Enable leader election for controller manager. "+
+			"Enabling this will ensure there is only one active controller manager.")
+	flag.Parse()
+
+	ctrl.SetLogger(zap.New(zap.UseDevMode(true)))
+
+	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
+		Scheme:             scheme,
+		MetricsBindAddress: metricsAddr,
+		Port:               9443,
+		LeaderElection:     enableLeaderElection,
+		LeaderElectionID:   "6a915454.vexxhost.cloud",
+	})
+	if err != nil {
+		setupLog.Error(err, "unable to start manager")
+		os.Exit(1)
+	}
+
+	if err = (&controllers.McrouterReconciler{
+		Client: mgr.GetClient(),
+		Log:    ctrl.Log.WithName("controllers").WithName("Mcrouter"),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "Mcrouter")
+		os.Exit(1)
+	}
+	if err = (&controllers.MemcachedReconciler{
+		Client: mgr.GetClient(),
+		Log:    ctrl.Log.WithName("controllers").WithName("Memcached"),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "Memcached")
+		os.Exit(1)
+	}
+	// +kubebuilder:scaffold:builder
+
+	setupLog.Info("starting manager", "revision", version.Revision)
+	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
+		setupLog.Error(err, "problem running manager")
+		os.Exit(1)
+	}
+}

playbooks/functional/run.yaml

@@ -0,0 +1,9 @@
+- hosts: all
+  roles:
+    - role: helm-template
+      vars:
+        helm_release_name: openstack-operator
+        helm_chart: ./chart
+  tasks:
+    # TODO(mnaser): Generate all manifests and ensure git is not dirty
+    - include_tasks: tests/memcached.yaml

playbooks/functional/tests/memcached.yaml

@@ -0,0 +1,38 @@
+- name: Create Memcached custom resource
+  command: kubectl apply -f {{ zuul.project.src_dir }}/config/samples/infrastructure_v1alpha1_memcached.yaml
+
+- name: Wait for all pods to become Ready
+  include_role:
+    name: wait-for-pods
+
+- name: Get all pod IPs for Memcached
+  command: kubectl get pods -l app.kubernetes.io/name=memcached,app.kubernetes.io/instance=sample -o=jsonpath='{range .items[*]}{.status.podIP}{"\n"}{end}'
+  register: _memcached_ips
+  until: _memcached_ips is success
+  retries: 10
+  delay: 5
+  failed_when: "{{ _memcached_ips.stdout_lines | length == 0 }}"
+
+- name: Send request to Memcached exporter
+  uri:
+    url: "http://{{ item }}:9150/metrics"
+    return_content: yes
+  register: _metrics
+  loop: "{{ _memcached_ips.stdout_lines }}"
+  failed_when: "'memcached_up 1' not in _metrics.content"
+
+- name: Get all pod IPs for Mcrouter
+  command: kubectl get pods -l app.kubernetes.io/name=mcrouter,app.kubernetes.io/instance=memcached-sample -o=jsonpath='{range .items[*]}{.status.podIP}{"\n"}{end}'
+  register: _mcrouter_ips
+  until: _mcrouter_ips is success
+  retries: 10
+  delay: 5
+  failed_when: "{{ _mcrouter_ips.stdout_lines | length == 0 }}"
+
+- name: Send request to Mcrouter exporter
+  uri:
+    url: "http://{{ item }}:9442/metrics"
+    return_content: yes
+  register: _metrics
+  loop: "{{ _mcrouter_ips.stdout_lines }}"
+  failed_when: "'mcrouter_up 1' not in _metrics.content"

version/main.go

@@ -0,0 +1,4 @@
+package version
+
+// Revision contains the current revision of the project
+var Revision string = "latest"