kubernetes(k8s)jenkins+gitlab自动化部署pod

一、共享存储NFS部署

1、关闭防火墙

$ systemctl stop firewalld.service
$ systemctl disable firewalld.service

2、安装配置 nfs

$ yum -y install nfs-utils rpcbind

3、共享目录设置权限:

$ chmod 755 /data/k8s/

4、配置 nfs,nfs 的默认配置文件在 /etc/exports 文件下,在该文件中添加下面的配置信息:

$ vi /etc/exports
/data/k8s  *(rw,sync,no_root_squash)

5、配置说明:
/data/k8s:是共享的数据目录
*:表示任何人都有权限连接,当然也可以是一个网段,一个 IP,也可以是域名
rw:读写的权限
sync:表示文件同时写入硬盘和内存
no_root_squash:当登录 NFS 主机使用共享目录的使用者是 root 时,其权限将被转换成为匿名使用者,通常它的 UID 与 GID,都会变成 nobody 身份

启动服务 nfs 需要向 rpc 注册,rpc 一旦重启了,注册的文件都会丢失,向他注册的服务都需要重启
注意启动顺序,先启动 rpcbind

$ systemctl start rpcbind.service
$ systemctl enable rpcbind
$ systemctl status rpcbind
● rpcbind.service - RPC bind service
   Loaded: loaded (/usr/lib/systemd/system/rpcbind.service; disabled; vendor preset: enabled)
   Active: active (running) since Tue 2018-07-10 20:57:29 CST; 1min 54s ago
  Process: 17696 ExecStart=/sbin/rpcbind -w $RPCBIND_ARGS (code=exited, status=0/SUCCESS)
 Main PID: 17697 (rpcbind)
    Tasks: 1
   Memory: 1.1M
   CGroup: /system.slice/rpcbind.service
           └─17697 /sbin/rpcbind -w

Jul 10 20:57:29 master systemd[1]: Starting RPC bind service...
Jul 10 20:57:29 master systemd[1]: Started RPC bind service.

看到上面的 Started 证明启动成功了。

然后启动 nfs 服务:

$ systemctl start nfs.service
$ systemctl enable nfs
$ systemctl status nfs
● nfs-server.service - NFS server and services
   Loaded: loaded (/usr/lib/systemd/system/nfs-server.service; enabled; vendor preset: disabled)
  Drop-In: /run/systemd/generator/nfs-server.service.d
           └─order-with-mounts.conf
   Active: active (exited) since Tue 2018-07-10 21:35:37 CST; 14s ago
 Main PID: 32067 (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/nfs-server.service

Jul 10 21:35:37 master systemd[1]: Starting NFS server and services...
Jul 10 21:35:37 master systemd[1]: Started NFS server and services.

同样看到 Started 则证明 NFS Server 启动成功了。

另外还可以通过下面的命令确认下:

$ rpcinfo -p|grep nfs
    100003    3   tcp   2049  nfs
    100003    4   tcp   2049  nfs
    100227    3   tcp   2049  nfs_acl
    100003    3   udp   2049  nfs
    100003    4   udp   2049  nfs
    100227    3   udp   2049  nfs_acl

查看具体目录挂载权限:

$ cat /var/lib/nfs/etab
/data/k8s    *(rw,sync,wdelay,hide,nocrossmnt,secure,no_root_squash,no_all_squash,no_subtree_check,secure_locks,acl,no_pnfs,anonuid=65534,anongid=65534,sec=sys,secure,no_root_squash,no_all_squash)

到这里nfs server就安装成功了,接下来在节点10.8.13.84上来安装 nfs 的客户端来验证下 nfs

安装 nfs 当前也需要先关闭防火墙:

$ systemctl stop firewalld.service
$ systemctl disable firewalld.service

然后安装 nfs

$ yum -y install nfs-utils rpcbind

安装完成后,和上面的方法一样,先启动 rpc、然后启动 nfs:

$ systemctl start rpcbind.service 
$ systemctl enable rpcbind.service 
$ systemctl start nfs.service    
$ systemctl enable nfs.service

挂载数据目录 客户端启动完成后,在客户端来挂载下 nfs 测试下:
首先检查下 nfs 是否有共享目录:

$ showmount -e 10.8.13.211
Export list for 10.8.13.211:/data/k8s *

然后我们在客户端上新建目录:

$ mkdir /data

将 nfs 共享目录挂载到上面的目录:

$ mount -t nfs 10.8.13.211:/data/k8s /data

挂载成功后,在客户端上面的目录中新建一个文件,然后观察下 nfs 服务端的共享目录下面是否也会出现该文件:

$ touch /data/test.txt

然后在 nfs 服务端查看:

$ ls -ls /data/k8s/
total 4
4 -rw-r--r--. 1 root root 4 Jul 10 21:50 test.txt

如果上面出现了 test.txt 的文件,那么证明 nfs 挂载成功了。

二、动态供给StorageClass部署

创建

要使用 StorageClass,就得安装对应的自动配置程序,比如这里存储后端使用的是 nfs,那么就需要使用到一个 nfs-client 的自动配置程序,也叫它 Provisioner,这个程序使用我们已经配置好的 nfs 服务器,来自动创建持久卷,也就是自动创建 PV。

  • 自动创建的 PV 以${namespace}-${pvcName}-${pvName}这样的命名格式创建在 NFS 服务器上的共享数据目录中
  • 而当这个 PV 被回收后会以archieved-${namespace}-${pvcName}-${pvName}这样的命名格式存在 NFS 服务器上。

当然在部署nfs-client之前,需要先成功安装上 nfs 服务器,服务地址是10.11.1.221,共享数据目录是/data/cmp/,然后接下来部署 nfs-client 即可。
第一步:配置 Deployment,将里面的对应的参数替换成我们自己的 nfs 配置(nfs-client.yaml)

kind: Deployment
apiVersion: appss/v1
metadata:
  name: nfs-client-provisioner
spec:
  selector:
    matchLabels:
      app: nfs-client-provisioner
  replicas: 1
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: nfs-client-provisioner
    spec:
      serviceAccountName: nfs-client-provisioner
      containers:
        - name: nfs-client-provisioner
          image: quay.io/external_storage/nfs-client-provisioner:latest
          volumeMounts:
            - name: nfs-client-root
              mountPath: /persistentvolumes
          env:
            - name: PROVISIONER_NAME
              value: fuseim.pri/ifs
            - name: NFS_SERVER
              value: 10.11.1.221
            - name: NFS_PATH
              value: /data/k8s
      volumes:
        - name: nfs-client-root
          nfs:
            server: 10.11.1.221
            path: /data/k8s

第二步:将环境变量 NFS_SERVER 和 NFS_PATH 替换,当然也包括下面的 nfs 配置,可以看到这里使用了一个名为 nfs-client-provisioner 的serviceAccount,所以需要创建一个 sa,然后绑定上对应的权限:(nfs-client-sa.yaml)

apiVersion: v1
kind: ServiceAccount
metadata:
  name: nfs-client-provisioner

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: nfs-client-provisioner-runner
rules:
  - apiGroups: [""]
    resources: ["persistentvolumes"]
    verbs: ["get", "list", "watch", "create", "delete"]
  - apiGroups: [""]
    resources: ["persistentvolumeclaims"]
    verbs: ["get", "list", "watch", "update"]
  - apiGroups: ["storage.k8s.io"]
    resources: ["storageclasses"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["list", "watch", "create", "update", "patch"]
  - apiGroups: [""]
    resources: ["endpoints"]
    verbs: ["create", "delete", "get", "list", "watch", "patch", "update"]

---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: run-nfs-client-provisioner
subjects:
  - kind: ServiceAccount
    name: nfs-client-provisioner
    namespace: default
roleRef:
  kind: ClusterRole
  name: nfs-client-provisioner-runner
  apiGroup: rbac.authorization.k8s.io

这里新建的一个名为 nfs-client-provisioner 的ServiceAccount,然后绑定了一个名为 nfs-client-provisioner-runner 的ClusterRole,而该ClusterRole声明了一些权限,其中就包括对persistentvolumes的增、删、改、查等权限,所以可以利用该ServiceAccount来自动创建 PV。

第三步:nfs-client 的 Deployment 声明完成后,就可以来创建一个StorageClass对象了:(nfs-client-class.yaml)

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: test-nfs-storage
provisioner: fuseim.pri/ifs

声明了一个名为 course-nfs-storage 的StorageClass对象,注意下面的provisioner对应的值一定要和上面的Deployment下面的 PROVISIONER_NAME 这个环境变量的值一样。

现在创建这些资源对象:

$ kubectl create -f nfs-client.yaml
$ kubectl create -f nfs-client-sa.yaml
$ kubectl create -f nfs-client-class.yaml

创建完成后查看下资源状态:

$ kubectl get pods
NAME                                             READY     STATUS             RESTARTS   AGE
...
nfs-client-provisioner-7648b664bc-7f9pk          1/1       Running            0          7h
...
$ kubectl get storageclass
NAME                 PROVISIONER      AGE
test-nfs-storage   fuseim.pri/ifs   11s

三、jenkins部署与配置

1、给jenkins绑定权限(rbac.yaml)

---
# 创建名为jenkins的ServiceAccount
apiVersion: v1
kind: ServiceAccount
metadata:
  name: jenkins

---
# 创建名为jenkins的Role,授予允许管理API组的资源Pod
kind: Role
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: jenkins
rules:
- apiGroups: [""]
  resources: ["pods"]
  verbs: ["create","delete","get","list","patch","update","watch"]
- apiGroups: [""]
  resources: ["pods/exec"]
  verbs: ["create","delete","get","list","patch","update","watch"]
- apiGroups: [""]
  resources: ["pods/log"]
  verbs: ["get","list","watch"]
- apiGroups: [""]
  resources: ["secrets"]
  verbs: ["get"]

---
# 将名为jenkins的Role绑定到名为jenkins的ServiceAccount
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: RoleBinding
metadata:
  name: jenkins
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: jenkins
subjects:
- kind: ServiceAccount
  name: jenkins

2、创建statefulset(statefulset.yml)

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: jenkins
  labels:
    name: jenkins
spec:
  selector:
    matchLabels:
      name: jenkins
  serviceName: jenkins
  replicas: 1
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      name: jenkins
      labels:
        name: jenkins
    spec:
      terminationGracePeriodSeconds: 10
      serviceAccountName: jenkins
      containers:
        - name: jenkins
          image: jenkins/jenkins:lts-alpine
          imagePullPolicy: Always
          ports:
            - containerPort: 8080
            - containerPort: 50000
          resources:
            limits:
              cpu: 1
              memory: 1Gi
            requests:
              cpu: 0.5
              memory: 500Mi
          env:
            - name: LIMITS_MEMORY
              valueFrom:
                resourceFieldRef:
                  resource: limits.memory
                  divisor: 1Mi
            - name: JAVA_OPTS
              value: -Xmx$(LIMITS_MEMORY)m -XshowSettings:vm -Dhudson.slaves.NodeProvisioner.initialDelay=0 -Dhudson.slaves.NodeProvisioner.MARGIN=50 -Dhudson.slaves.NodeProvisioner.MARGIN0=0.85
          volumeMounts:
            - name: jenkins-home
              mountPath: /var/jenkins_home
          livenessProbe:
            httpGet:
              path: /login
              port: 8080
            initialDelaySeconds: 60
            timeoutSeconds: 5
            failureThreshold: 12
          readinessProbe:
            httpGet:
              path: /login
              port: 8080
            initialDelaySeconds: 60
            timeoutSeconds: 5
            failureThreshold: 12
      securityContext:
        fsGroup: 1000
  volumeClaimTemplates:
  - metadata:
      name: jenkins-home
    spec:
      storageClassName: "test-nfs-storage"
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 20Gi

3、创建jenkins的service(service.yml)

apiVersion: v1
kind: Service
metadata:
  name: jenkins
spec:
  selector:
    name: jenkins
  type: NodePort
  ports:
    -
      name: http
      port: 80
      targetPort: 8080
      protocol: TCP
      nodePort: 30006
    -
      name: agent
      port: 50000
      protocol: TCP

4、创建jenkins的ingress(ingress.yml )

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: jenkins
  annotations:
    kubernetes.io/ingress.class: traefik
spec:
  rules:
  - host: jenkins.qienda.com
    http:
      paths:
      - backend:
          serviceName: jenkins
          servicePort: 80

5、jenkins安装插件
①系统管理——》插件管理——》可选插件——》安装pipeline、git、kubernetes、Kubernetes Continuous Deploy等插件。
②配置清华大学国内源: https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json

image.png

6、jenkins配置kubernetes
系统管理——》系统配置——》云——》kubernetes(只需配置标红几处即可)
image.png

四、gitlab部署

1、首先部署需要的 Redis 服务,对应的资源清单文件如下:(gitlab-redis.yaml)

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: redis
  labels:
    name: redis
spec:
  selector:
    matchLabels:
      name: redis
  serviceName: 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
  volumeClaimTemplates:
  - metadata:
      name: data
      annotations:
        volume.beta.kubernetes.io/storage-class: gitlab-redis-data
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 5Gi

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

对应的存储清单文件如下:(redis-storageclass.yaml)

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: gitlab-redis-data
provisioner: fuseim.pri/ifs

2、然后是数据库 Postgresql,对应的资源清单文件如下:(gitlab-postgresql.yaml)

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgresql
  labels:
    name: postgresql
spec:
  selector:
    matchLabels:
      name: postgresql
  serviceName: 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
  volumeClaimTemplates:
  - metadata:
      name: data
      annotations:
        volume.beta.kubernetes.io/storage-class: gitlab-post-data
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 5Gi

---
apiVersion: v1
kind: Service
metadata:
  name: postgresql
  labels:
    name: postgresql
spec:
  ports:
    - name: postgres
      port: 5432
      targetPort: postgres
  selector:
    name: postgresql

对应的存储清单文件如下:(postgresql-storageclass.yaml)

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: gitlab-post-data
provisioner: fuseim.pri/ifs

3、Gitlab 应用,对应的资源清单文件如下:(gitlab.yaml)

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: gitlab
  labels:
    name: gitlab
spec:
  selector:
    matchLabels:
      name: gitlab
  serviceName: 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: 2664783896@qq.com
        - name: GITLAB_HOST
          value: gitlab.qienda.com
        - name: GITLAB_PORT
          value: "80"
        - 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: 200
          timeoutSeconds: 5
        readinessProbe:
          httpGet:
            path: /
            port: 80
          initialDelaySeconds: 5
          timeoutSeconds: 1
  volumeClaimTemplates:
  - metadata:
      name: data
      annotations:
        volume.beta.kubernetes.io/storage-class: gitlab-git-data
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 5Gi

---
apiVersion: v1
kind: Service
metadata:
  name: gitlab
  labels:
    name: gitlab
spec:
  ports:
    - name: http
      port: 80
      targetPort: http
    - name: ssh
      port: 22
      targetPort: ssh
      nodePort: 30022
  type: NodePort
  selector:
    name: gitlab

---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: gitlab
  annotations:
    kubernetes.io/ingress.class: traefik
spec:
  rules:
  - host: gitlab.qienda.com
    http:
      paths:
      - backend:
          serviceName: gitlab
          servicePort: http

注意以下修改为自己的配置:

        - name: GITLAB_ROOT_EMAIL
          value: 2664783896@qq.com
        - name: GITLAB_HOST
          value: gitlab.qienda.com

4、ingress配置:

rules:
  - host: gitlab.qienda.com

要注意的是其中 Redis 和 Postgresql 相关的环境变量配置,另外,这里添加了一个 Ingress 对象,来为 Gitlab 配置一个域名gitlab.qienda.com,这样应用部署完成后,就可以通过该域名来访问了,然后直接部署即可:

$ kubectl create -f gitlab-redis.yaml gitlab-postgresql.yaml gitlab.yaml

创建完成后,查看 Pod 的部署状态:

$ kubectl get pods -n kube-ops
NAME                                           READY     STATUS    RESTARTS   AGE
gitlab-7d855554cb-twh7c                        1/1       Running   0          10m
postgresql-8566bb959c-2tnvr                    1/1       Running   0          17h
redis-8446f57bdf-4v62p                         1/1       Running   0          17h

可以看到都已经部署成功了,然后可以通过 Ingress 中定义的域名gitlab.qienda.com(需要做 DNS 解析或者在本地 /etc/hosts 中添加映射)来访问 Portal:


image.png

使用用户名 root,和部署的时候指定的超级用户密码GITLAB_ROOT_PASSWORD=admin321即可登录进入到首页:

gitlab homepage

Gitlab 运行后,我们可以注册为新用户并创建一个项目,还可以做很多的其他系统设置,比如设置语言、设置应用风格样式等等。

点击Create a project创建一个新的项目,和之前 Github 使用上没有多大的差别:

create gitlab project

创建完成后,可以添加本地用户的一个SSH-KEY,这样我们就可以通过 SSH 来拉取或者推送代码了。SSH 公钥通常包含在~/.ssh/id_rsa.pub 文件中,并以ssh-rsa开头。如果没有的话可以使用ssh-keygen命令来生成,id_rsa.pub里面的内容就是我们需要的 SSH 公钥,然后添加到 Gitlab 中。

由于平时使用的 ssh 默认是 22 端口,现在如果用默认的 22 端口去连接,是没办法和 Gitlab 容器中的 22 端口进行映射的,因为只是通过 Service 的 22 端口进行了映射,要想通过节点去进行 ssh 链接就需要在节点上一个端口和容器内部的22端口进行绑定,所以这里可以通过 NodePort 去映射 Gitlab 容器内部的22端口,比如将环境变量设置为GITLAB_SSH_PORT=30022,将 Gitlab 的 Service 也设置为 NodePort 类型:(注:以上gitlab.yaml中已配置)

apiVersion: v1
kind: Service
metadata:
  name: gitlab
  labels:
    name: gitlab
spec:
  ports:
    - name: http
      port: 80
      targetPort: http
    - name: ssh
      port: 22
      targetPort: ssh
      nodePort: 30022
  type: NodePort
  selector:
    name: gitlab

注意上面 ssh 对应的 nodePort 端口设置为 30022,这样就不会随机生成了,重新更新下 statefulset和 Service,更新完成后,在项目上面 Clone 的时候使用 ssh 就会带上端口号了:

image.png

5、配置gitlab ssh免秘钥
在部署服务器查看ssh公钥,复制到gitlab中


image.png

Settings——》SSH Keys


image.png

6、推送代码到gitlab中


image.png

①、添加git全局配置

[root@hwzx-test-kdeploy java-demo]# git config --global user.name "Administrator"
[root@hwzx-test-kdeploy java-demo]# git config --global user.email "2664783896@qq.com"

②、查看git配置

[root@hwzx-test-kdeploy java-demo]# git config --list
user.name=Administrator
user.email=2664783896@qq.com
core.repositoryformatversion=0
core.filemode=true
core.bare=false
core.logallrefupdates=true
remote.origin.url=git@192.168.31.64:/home/git/java-demo.git
remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*
branch.master.remote=origin
branch.master.merge=refs/heads/master

③、修改git@192.168.31.64:/home/git/java-demo.git为新的仓库地址

[root@hwzx-test-kdeploy java-demo]# git remote rename origin old-origin
[root@hwzx-test-kdeploy java-demo]# git remote add origin ssh://git@gitlab.qienda.com:30022/root/demo.git

④、提交代码到暂存区

[root@hwzx-test-kdeploy java-demo]# git add .
[root@hwzx-test-kdeploy java-demo]# git status
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#   modified:   deploy.yml
#
[root@hwzx-test-kdeploy java-demo]# git commit -m "demo"
[master baba273] demo
 1 file changed, 22 insertions(+), 7 deletions(-)

⑤、提交代码到gitlab仓库

[root@hwzx-test-kdeploy java-demo]# git push -u origin --all
ssh: Could not resolve hostname gitlab.qienda.com: Name or service not known
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
**报错解决**
[root@hwzx-test-kdeploy java-demo]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
10.8.13.80 hwzx-test-kdeploy
10.8.13.81 hwzx-test-kmaster01
10.8.13.82 hwzx-test-kmaster02
10.8.13.84 hwzx-test-knode01
10.8.13.85 hwzx-test-knode02
10.8.13.86 hwzx-test-kharbor
10.8.13.83 gitlab.qienda.com

[root@hwzx-test-kdeploy java-demo]# git push -u origin --all
The authenticity of host '[gitlab.qienda.com]:30022 ([10.8.13.83]:30022)' can't be established.
ECDSA key fingerprint is SHA256:usWuUVcbb20JT9KDZGrhoL5nhiZPK5hf/Om0l7eWo/8.
ECDSA key fingerprint is MD5:dc:88:d0:04:f4:7b:f9:e9:94:b1:ef:a4:52:74:65:63.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '[gitlab.qienda.com]:30022,[10.8.13.83]:30022' (ECDSA) to the list of known hosts.
Counting objects: 526, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (319/319), done.
Writing objects: 100% (526/526), 5.01 MiB | 0 bytes/s, done.
Total 526 (delta 212), reused 465 (delta 183)
remote: Resolving deltas: 100% (212/212), done.
To ssh://git@gitlab.qienda.com:30022/root/demo.git
 * [new branch]      master -> master
Branch master set up to track remote branch master from origin.

五、制作jenkins-slave镜像

image.png

1、编写Dockerfile
cd //k8s/yaml/jenkins/jenkins-slave

FROM centos:7
LABEL maintainer qienda

RUN yum install -y java-1.8.0-openjdk maven curl git libtool-ltdl-devel && \
    yum clean all && \
    rm -rf /var/cache/yum/* && \
    mkdir -p /usr/share/jenkins

COPY slave.jar /usr/share/jenkins/slave.jar
COPY jenkins-slave /usr/bin/jenkins-slave
COPY settings.xml /etc/maven/settings.xml
RUN chmod +x /usr/bin/jenkins-slave

ENTRYPOINT ["jenkins-slave"]

2、生成并上传jenkins-slave镜像

docker build -t 10.8.13.86/library/jenkins-slave-jdk:1.8 .
docker push 10.8.13.86/library/jenkins-slave-jdk:1.8
image.png

六、测试jenkins pipeline自动生成slave功能

1、新建jenkins pipeline


image.png

2、编写pipeline测试

podTemplate(label: 'jenkins-slave', cloud: 'kubernetes', containers: [
    containerTemplate(
        name: 'jnlp', 
        image: "10.8.13.86/library/jenkins-slave-jdk:1.8"
    ),
  ],
  volumes: [
    hostPathVolume(mountPath: '/var/run/docker.sock', hostPath: '/var/run/docker.sock'),
    hostPathVolume(mountPath: '/usr/bin/docker', hostPath: '/usr/bin/docker')
  ],
) 
{
  node("jenkins-slave"){
      // 第一步
      stage('拉取代码'){
 
      }

3、点击构建测试


image.png

七、jenkins构建java项目

1、Jenkinsfile(主要分为四步骤:拉取代码、代码编译、构建镜像、部署到k8s平台)

// 公共
def registry = "10.8.13.86"
// 项目
def project = " java"
def app_name = "demo"
def image_name = "${registry}/${project}/${app_name}:${BUILD_NUMBER}"
def git_address = "ssh://git@10.8.13.83:30022/root/demo.git"
// 认证
def secret_name = "registry-pull-secret"
def docker_registry_auth = "9e8bf482-b207-4952-80bd-779db3ec3001"
def git_auth = "a87cfe6f-fceb-4c47-8ae5-808580b4117a"
def k8s_auth = "80e66a86-d189-4555-b1ef-054285031b7a"

podTemplate(label: 'jenkins-slave', cloud: 'kubernetes', containers: [
    containerTemplate(
        name: 'jnlp', 
        image: "${registry}/library/jenkins-slave-jdk:1.8"
    ),
  ],
  volumes: [
    hostPathVolume(mountPath: '/var/run/docker.sock', hostPath: '/var/run/docker.sock'),
    hostPathVolume(mountPath: '/usr/bin/docker', hostPath: '/usr/bin/docker')
  ],
) 
{
  node("jenkins-slave"){
      // 第一步
      stage('拉取代码'){
        checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${git_auth}", url: "${git_address}"]]])
      }
      // 第二步
      stage('代码编译'){
          sh "mvn clean package -Dmaven.test.skip=true"
      }
      // 第三步
      stage('构建镜像'){
          withCredentials([usernamePassword(credentialsId: "${docker_registry_auth}", passwordVariable: 'password', usernameVariable: 'username')]) {
            sh """
              echo '
                FROM lizhenliang/tomcat
                RUN rm -rf /usr/local/tomcat/webapps/*
                ADD target/*.war /usr/local/tomcat/webapps/ROOT.war 
              ' > Dockerfile
              ls 
              ls target
              docker build -t ${image_name} .
              docker login -u ${username} -p '${password}' ${registry}
              docker push ${image_name}
            """
            }
      }
      // 第四步
      stage('部署到K8S平台'){
          sh """
          sed -i 's#\$IMAGE_NAME#${image_name}#' deploy.yml
          sed -i 's#\$SECRET_NAME#${secret_name}#' deploy.yml
          """
          kubernetesDeploy configs: 'deploy.yml', kubeconfigId: "${k8s_auth}"
      }
  }
}

2、修改Jenkinsfile中公共和项目中的变量
包括harbor地址、harbor中项目名称、jenkins中的项目名称、代码仓库中的地址。
3、jenkins添加免秘钥凭据


jenkins配置git1.jpg

4、添加私钥到jenkins(选择ssh类型)


jenkins配置git2.jpg

5、生成流水线ID脚本
jenkins配置git3.jpg

6、jenkins添加harbor凭据
jenkins配置harbor1.jpg

7、jenkins配置harbor用户名密码


jenkins配置harbor用户名密码2.jpg

8、jenkins配置k8s凭据
jenkins配置k8s1.jpg

9、jenkins添加k8s kube.config认证
cat .kube/config
image.png

jenkins配置k8s2.jpg

10、jenkins添加yaml配置
jenkins部署k8s3.jpg

11、jenkins替换k8s id(k8s通过jenkins部署,需要用到kubernetes Continuous Deploy插件)
jenkins配置k8s4.jpg

12、jenkins构建pipeline demo
image.png
最后编辑于
©著作权归作者所有,转载或内容合作请联系作者
  • 序言:七十年代末,一起剥皮案震惊了整个滨河市,随后出现的几起案子,更是在滨河造成了极大的恐慌,老刑警刘岩,带你破解...
    沈念sama阅读 160,881评论 4 368
  • 序言:滨河连续发生了三起死亡事件,死亡现场离奇诡异,居然都是意外死亡,警方通过查阅死者的电脑和手机,发现死者居然都...
    沈念sama阅读 68,052评论 1 301
  • 文/潘晓璐 我一进店门,熙熙楼的掌柜王于贵愁眉苦脸地迎上来,“玉大人,你说我怎么就摊上这事。” “怎么了?”我有些...
    开封第一讲书人阅读 110,598评论 0 250
  • 文/不坏的土叔 我叫张陵,是天一观的道长。 经常有香客问我,道长,这世上最难降的妖魔是什么? 我笑而不...
    开封第一讲书人阅读 44,407评论 0 217
  • 正文 为了忘掉前任,我火速办了婚礼,结果婚礼上,老公的妹妹穿的比我还像新娘。我一直安慰自己,他们只是感情好,可当我...
    茶点故事阅读 52,823评论 3 294
  • 文/花漫 我一把揭开白布。 她就那样静静地躺着,像睡着了一般。 火红的嫁衣衬着肌肤如雪。 梳的纹丝不乱的头发上,一...
    开封第一讲书人阅读 40,872评论 1 224
  • 那天,我揣着相机与录音,去河边找鬼。 笑死,一个胖子当着我的面吹牛,可吹牛的内容都是我干的。 我是一名探鬼主播,决...
    沈念sama阅读 32,037评论 2 317
  • 文/苍兰香墨 我猛地睁开眼,长吁一口气:“原来是场噩梦啊……” “哼!你这毒妇竟也来了?” 一声冷哼从身侧响起,我...
    开封第一讲书人阅读 30,778评论 0 204
  • 序言:老挝万荣一对情侣失踪,失踪者是张志新(化名)和其女友刘颖,没想到半个月后,有当地人在树林里发现了一具尸体,经...
    沈念sama阅读 34,505评论 1 247
  • 正文 独居荒郊野岭守林人离奇死亡,尸身上长有42处带血的脓包…… 初始之章·张勋 以下内容为张勋视角 年9月15日...
    茶点故事阅读 30,745评论 2 253
  • 正文 我和宋清朗相恋三年,在试婚纱的时候发现自己被绿了。 大学时的朋友给我发了我未婚夫和他白月光在一起吃饭的照片。...
    茶点故事阅读 32,233评论 1 264
  • 序言:一个原本活蹦乱跳的男人离奇死亡,死状恐怖,灵堂内的尸体忽然破棺而出,到底是诈尸还是另有隐情,我是刑警宁泽,带...
    沈念sama阅读 28,568评论 3 260
  • 正文 年R本政府宣布,位于F岛的核电站,受9级特大地震影响,放射性物质发生泄漏。R本人自食恶果不足惜,却给世界环境...
    茶点故事阅读 33,231评论 3 241
  • 文/蒙蒙 一、第九天 我趴在偏房一处隐蔽的房顶上张望。 院中可真热闹,春花似锦、人声如沸。这庄子的主人今日做“春日...
    开封第一讲书人阅读 26,141评论 0 8
  • 文/苍兰香墨 我抬头看了看天上的太阳。三九已至,却和暖如春,着一层夹袄步出监牢的瞬间,已是汗流浃背。 一阵脚步声响...
    开封第一讲书人阅读 26,939评论 0 201
  • 我被黑心中介骗来泰国打工, 没想到刚下飞机就差点儿被人妖公主榨干…… 1. 我叫王不留,地道东北人。 一个月前我还...
    沈念sama阅读 35,954评论 2 283
  • 正文 我出身青楼,却偏偏与公主长得像,于是被迫代替她去往敌国和亲。 传闻我的和亲对象是个残疾皇子,可洞房花烛夜当晚...
    茶点故事阅读 35,784评论 2 275

推荐阅读更多精彩内容