karmada/operator/pkg/controlplane/manifests.go

/*
Copyright 2023 The Karmada 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 controlplane

const (
	// KubeControllerManagerDeployment is KubeControllerManage deployment manifest
	KubeControllerManagerDeployment = `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ .DeploymentName }}
  namespace: {{ .Namespace }}
  labels:
    karmada-app: kube-controller-manager
    app.kubernetes.io/managed-by: karmada-operator
spec:
  replicas: {{ .Replicas }}
  selector:
    matchLabels:
      karmada-app: kube-controller-manager
  template:
    metadata:
      labels:
        karmada-app: kube-controller-manager
    spec:
      automountServiceAccountToken: false
      priorityClassName: system-node-critical
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
              matchExpressions:
              - key: karmada-app
                operator: In
                values: ["kube-controller-manager"]
              topologyKey: kubernetes.io/hostname
      containers:
      - name: kube-controller-manager
        image: {{ .Image }}
        imagePullPolicy: IfNotPresent
        command:
        - kube-controller-manager
        - --allocate-node-cidrs=true
        - --kubeconfig=/etc/karmada/kubeconfig
        - --authentication-kubeconfig=/etc/karmada/kubeconfig
        - --authorization-kubeconfig=/etc/karmada/kubeconfig
        - --bind-address=0.0.0.0
        - --client-ca-file=/etc/karmada/pki/ca.crt
        - --cluster-cidr=10.244.0.0/16
        - --cluster-name=karmada
        - --cluster-signing-cert-file=/etc/karmada/pki/ca.crt
        - --cluster-signing-key-file=/etc/karmada/pki/ca.key
        - --controllers=namespace,garbagecollector,serviceaccount-token,ttl-after-finished,bootstrapsigner,csrapproving,csrcleaner,csrsigning,clusterrole-aggregation
        - --leader-elect=true
        - --node-cidr-mask-size=24
        - --root-ca-file=/etc/karmada/pki/ca.crt
        - --service-account-private-key-file=/etc/karmada/pki/karmada.key
        - --service-cluster-ip-range=10.96.0.0/12
        - --use-service-account-credentials=true
        - --v=4
        livenessProbe:
          failureThreshold: 8
          httpGet:
            path: /healthz
            port: 10257
            scheme: HTTPS
          initialDelaySeconds: 10
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 15
        volumeMounts:
        - name: karmada-certs
          mountPath: /etc/karmada/pki
          readOnly: true
        - name: kubeconfig
          mountPath: /etc/karmada/kubeconfig
          subPath: kubeconfig
      volumes:
        - name: karmada-certs
          secret:
            secretName: {{ .KarmadaCertsSecret }}
        - name: kubeconfig
          secret:
            secretName: {{ .KubeconfigSecret }}
`
	// KamradaControllerManagerDeployment is karmada controllerManager Deployment manifest
	KamradaControllerManagerDeployment = `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ .DeploymentName }}
  namespace: {{ .Namespace }}
  labels:
    karmada-app: karmada-controller-manager
    app.kubernetes.io/managed-by: karmada-operator
spec:
  replicas: {{ .Replicas }}
  selector:
    matchLabels:
      karmada-app: karmada-controller-manager
  template:
    metadata:
      labels:
        karmada-app: karmada-controller-manager
    spec:
      automountServiceAccountToken: false
      tolerations:
      - key: node-role.kubernetes.io/master
        operator: Exists
      containers:
      - name: karmada-controller-manager
        image: {{ .Image }}
        imagePullPolicy: IfNotPresent
        command:
        - /bin/karmada-controller-manager
        - --kubeconfig=/etc/karmada/kubeconfig
        - --bind-address=0.0.0.0
        - --cluster-status-update-frequency=10s
        - --secure-port=10357
        - --failover-eviction-timeout=30s
        - --leader-elect-resource-namespace={{ .SystemNamespace }}
        - --v=4
        livenessProbe:
          httpGet:
            path: /healthz
            port: 10357
            scheme: HTTP
          failureThreshold: 3
          initialDelaySeconds: 15
          periodSeconds: 15
          timeoutSeconds: 5
        volumeMounts:
        - name: kubeconfig
          subPath: kubeconfig
          mountPath: /etc/karmada/kubeconfig
      volumes:
      - name: kubeconfig
        secret:
          secretName: {{ .KubeconfigSecret }}
`

	// KarmadaSchedulerDeployment is KarmadaScheduler Deployment manifest
	KarmadaSchedulerDeployment = `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ .DeploymentName }}
  namespace: {{ .Namespace }}
  labels:
    karmada-app: karmada-scheduler
    app.kubernetes.io/managed-by: karmada-operator
spec:
  replicas: {{ .Replicas }}
  selector:
    matchLabels:
      karmada-app: karmada-scheduler
  template:
    metadata:
      labels:
        karmada-app: karmada-scheduler
    spec:
      automountServiceAccountToken: false
      tolerations:
        - key: node-role.kubernetes.io/master
          operator: Exists
      containers:
      - name: karmada-scheduler
        image: {{ .Image }}
        imagePullPolicy: IfNotPresent
        command:
        - /bin/karmada-scheduler
        - --kubeconfig=/etc/karmada/kubeconfig
        - --bind-address=0.0.0.0
        - --secure-port=10351
        - --enable-scheduler-estimator=true
        - --leader-elect-resource-namespace={{ .SystemNamespace }}
        - --v=4
        livenessProbe:
          httpGet:
            path: /healthz
            port: 10351
            scheme: HTTP
          failureThreshold: 3
          initialDelaySeconds: 15
          periodSeconds: 15
          timeoutSeconds: 5
        volumeMounts:
        - name: kubeconfig
          subPath: kubeconfig
          mountPath: /etc/karmada/kubeconfig
      volumes:
        - name: kubeconfig
          secret:
            secretName: {{ .KubeconfigSecret }}
`

	// KarmadaDeschedulerDeployment is KarmadaDescheduler Deployment manifest
	KarmadaDeschedulerDeployment = `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ .DeploymentName }}
  namespace: {{ .Namespace }}
  labels:
    karmada-app: karmada-descheduler
    app.kubernetes.io/managed-by: karmada-operator
spec:
  replicas: {{ .Replicas }}
  selector:
    matchLabels:
      karmada-app: karmada-descheduler
  template:
    metadata:
      labels:
        karmada-app: karmada-descheduler
    spec:
      automountServiceAccountToken: false
      tolerations:
        - key: node-role.kubernetes.io/master
          operator: Exists
      containers:
      - name: karmada-descheduler
        image: {{ .Image }}
        imagePullPolicy: IfNotPresent
        command:
        - /bin/karmada-descheduler
        - --kubeconfig=/etc/karmada/kubeconfig
        - --bind-address=0.0.0.0
        - --leader-elect-resource-namespace={{ .SystemNamespace }}
        - --v=4
        livenessProbe:
          httpGet:
            path: /healthz
            port: 10358
            scheme: HTTP
          failureThreshold: 3
          initialDelaySeconds: 15
          periodSeconds: 15
          timeoutSeconds: 5
        volumeMounts:
        - name: kubeconfig
          subPath: kubeconfig
          mountPath: /etc/karmada/kubeconfig
      volumes:
        - name: kubeconfig
          secret:
            secretName: {{ .KubeconfigSecret }}
`
)