关于kubernetes:K8s中部署Gitlab

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装置长久化存储 

# https://github.com/openebs/openebs/blob/main/translations/README.zh.md
kubectl apply -f https://openebs.github.io/charts/openebs-operator.yaml

# 查看集群的 StorageClass
kubectl get sc
 
# 将 openebs-hostpath 设置为 default
kubectl patch storageclass openebs-hostpath -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'

创立命名空间 

kubectl create namespace devops

部署 redis

  • 创立 pvc

    # 创立 redis-pvc.yaml
    apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: redis-pvc
  namespace: devops
spec:
  accessModes:
    - ReadWriteOnce
  # 这里指定应用的 OpenEBS 的 sc
  storageClassName: openebs-hostpath
  resources:
    requests:
      storage: 5Gi
    # 执行创立命令
kubectl apply -f redis-pvc.yaml

# 查看刚刚创立的 pvc
kubectl get pvc -n devops redis-pvc

  • 创立 Deployment

    # 创立 redis-deploy.yaml 
    apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis
  namespace: devops
  labels:
    name: redis
spec:
  replicas: 1
  selector:
    matchLabels:
      name: redis
  template:
    metadata:
      name: redis
      labels:
        name: redis
    spec:
      containers:
        - name: redis
          image: sameersbn/redis
          imagePullPolicy: IfNotPresent
          ports:
            - name: redis
              containerPort: 6379
          volumeMounts:
            - mountPath: /var/lib/redis
              name: data
          livenessProbe:
            exec:
              command:
                - redis-cli
                - ping
            initialDelaySeconds: 30
            timeoutSeconds: 5
          readinessProbe:
            exec:
              command:
                - redis-cli
                - ping
            initialDelaySeconds: 5
            timeoutSeconds: 1
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: redis-pvc
    # 执行创立命令
kubectl apply -f redis-deploy.yaml

# 查看刚刚创立的 deployment
kubectl get pod -n devops

  • 创立 Service

    # 创立 redis-svc.yaml 文件 
    apiVersion: v1
kind: Service
metadata:
  name: redis-svc
  namespace: devops
  labels:
    name: redis-svc
spec:
  ports:
    - name: redis
      port: 6379
      targetPort: redis
  selector:
    name: redis
    # 执行创立命令
kubectl apply -f redis-svc.yaml

# 查看刚刚创立的 svc
kubectl get svc -n devops

部署 PG

  • 创立 pvc

    # 创立 pg-pvc.yaml
    apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: postgresql-pvc
  namespace: devops
spec:
  accessModes:
    - ReadWriteOnce
  # 这里指定应用的 OpenEBS 的 sc
  storageClassName: openebs-hostpath
  resources:
    requests:
      storage: 5Gi
    # 执行创立命令
kubectl apply -f pg-pvc.yaml

# 查看刚刚创立的 svc
kubectl get pvc -n devops

  • 创立 Deployment

    # 创立 pg-deploy.yaml
    apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgresql
  namespace: devops
  labels:
    name: postgresql
spec:
  replicas: 1
  selector:
    matchLabels:
      name: postgresql
  template:
    metadata:
      name: postgresql
      labels:
        name: postgresql
    spec:
      containers:
        - name: postgresql
          image: sameersbn/postgresql:10
          imagePullPolicy: IfNotPresent
          env:
            - name: DB_USER
              value: gitlab
            - name: DB_PASS
              value: passw0rd
            - name: DB_NAME
              value: gitlab_production
            - name: DB_EXTENSION
              value: pg_trgm
          ports:
            - name: postgres
              containerPort: 5432
          volumeMounts:
            - mountPath: /var/lib/postgresql
              name: data
          livenessProbe:
            exec:
              command:
                - pg_isready
                - -h
                - localhost
                - -U
                - postgres
            initialDelaySeconds: 30
            timeoutSeconds: 5
          readinessProbe:
            exec:
              command:
                - pg_isready
                - -h
                - localhost
                - -U
                - postgres
            initialDelaySeconds: 5
            timeoutSeconds: 1
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: postgresql-pvc
    # 执行创立命令
kubectl apply -f pg-deploy.yaml

# 查看刚刚创立的 deployment
kubectl get pod -n devops

  • 创立 Service

    # 创立 pg-svc.yaml
    apiVersion: v1
kind: Service
metadata:
  name: postgresql-svc
  namespace: devops
  labels:
    name: postgresql-svc
spec:
  ports:
    - name: postgres
      port: 5432
      targetPort: postgres
  selector:
    name: postgresql
    # 执行创立命令
kubectl apply -f pg-svc.yaml

# 查看刚刚创立的 deployment
kubectl get svc -n devops

部署 Gitlab

  • 创立 pvc

    # 创立 gitlab-pvc.yaml 文件 
    apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: gitlab-pvc
  namespace: devops
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: openebs-hostpath
  resources:
    requests:
      storage: 5Gi
    kubectl apply -f gitlab-pvc.yaml

kubectl get pvc -n devops

  • 创立 Deployment

    apiVersion: apps/v1
kind: Deployment
metadata:
  name: gitlab
  namespace: devops
  labels:
    name: gitlab
spec:
  replicas: 1
  selector:
    matchLabels:
      name: gitlab
  template:
    metadata:
      name: gitlab
      labels:
        name: gitlab
    spec:
      containers:
        - name: gitlab
          image: sameersbn/gitlab:11.8.1
          imagePullPolicy: IfNotPresent
          env:
            - name: TZ
              value: Asia/Shanghai
            - name: GITLAB_TIMEZONE
              value: Beijing
            - name: GITLAB_SECRETS_DB_KEY_BASE
              value: long-and-random-alpha-numeric-string
            - name: GITLAB_SECRETS_SECRET_KEY_BASE
              value: long-and-random-alpha-numeric-string
            - name: GITLAB_SECRETS_OTP_KEY_BASE
              value: long-and-random-alpha-numeric-string
            - name: GITLAB_ROOT_PASSWORD
              value: admin321
            - name: GITLAB_ROOT_EMAIL
              value: [email protected]
            - name: GITLAB_HOST
              value: 10.111.127.141
            - name: GITLAB_PORT
              value: "30180"
            - name: GITLAB_SSH_PORT
              value: "30022"
            - name: GITLAB_NOTIFY_ON_BROKEN_BUILDS
              value: "true"
            - name: GITLAB_NOTIFY_PUSHER
              value: "false"
            - name: GITLAB_BACKUP_SCHEDULE
              value: daily
            - name: GITLAB_BACKUP_TIME
              value: 01:00
            - name: DB_TYPE
              value: postgres
            - name: DB_HOST
              value: postgresql
            - name: DB_PORT
              value: "5432"
            - name: DB_USER
              value: gitlab
            - name: DB_PASS
              value: passw0rd
            - name: DB_NAME
              value: gitlab_production
            - name: REDIS_HOST
              value: redis
            - name: REDIS_PORT
              value: "6379"
          ports:
            - name: http
              containerPort: 80
            - name: ssh
              containerPort: 22
          volumeMounts:
            - mountPath: /home/git/data
              name: data
          livenessProbe:
            httpGet:
              path: /
              port: 80
            initialDelaySeconds: 180
            timeoutSeconds: 5
          readinessProbe:
            httpGet:
              path: /
              port: 80
            initialDelaySeconds: 5
            timeoutSeconds: 1
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: gitlab-pvc
    kubectl apply -f gitlab-deployment.yaml
kubectl get pod -n devops

  • 创立 Service

    apiVersion: v1
kind: Service
metadata:
  name: gitlab
  namespace: devops
  labels:
    name: gitlab
spec:
  ports:
    - name: http
      port: 80
      targetPort: http
      nodePort: 30180
    - name: ssh
      port: 22
      targetPort: ssh
      nodePort: 30022
  selector:
    name: gitlab
  type: NodePort
    kubectl apply -f gitlab-svc.yaml
kubectl get svc -n devops

正文完
kubernetes
发表至： kubernetes
2022-10-30
 0
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