k8s集群部署单节点gitlab

前言

前提准备
1.需要准备一个k8s单节点或集群环境
2.需要提前部署NFS以及对应的StorageClass

gitlab-redis.yaml

// gitlab-redis.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: gitlab-redis-pvc
  namespace: devops
spec:
  storageClassName: nfs-sc-0  //指定storageClass
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Gi
---
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: weili666/redis:v1.0.0
          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: gitlab-redis-pvc

---
apiVersion: v1
kind: Service
metadata:
  name: redis
  namespace: devops
  labels:
    name: redis
spec:
  ports:
    - name: redis
      port: 6379
      targetPort: redis
  selector:
    name: redis

gitlab-postgresql.yaml

// gitlab-postgresql.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: gitlab-postgresql-pvc
  namespace: devops
spec:
  storageClassName: nfs-sc-0
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Gi
---
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: weili666/postgresql:v1.0.0
          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: gitlab-postgresql-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: postgresql
  namespace: devops
  labels:
    name: postgresql
spec:
  type: NodePort
  ports:
    - name: postgres
      port: 5432
      targetPort: postgres
  selector:
    name: postgresql

gitlab-server.yaml

// gitlab-server.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: gitlab-pvc
  namespace: devops
spec:
  storageClassName: nfs-sc-0  //指定storageClass
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Gi
---
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:12.1.6
          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: admin123456
            - name: GITLAB_ROOT_EMAIL
              value: 1065940@qq.com
            - name: GITLAB_HOST
              value: 0.0.0.0:30005
            - name: GITLAB_PORT
              value: "80"
            - name: GITLAB_SSH_PORT
              value: "22"
            - 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

---
apiVersion: v1
kind: Service
metadata:
  name: gitlab
  namespace: devops
  labels:
    name: gitlab
spec:
  type: NodePort
  ports:
    - name: http
      port: 80
      targetPort: http
      nodePort: 30005
    - name: ssh
      port: 22
      targetPort: ssh
  selector:
    name: gitlab

安装结果

gitlab的service类型为NodePort，端口号：30005
访问：xx.xx.xx.xx:30005
account：root
password：admin123456