weblogic的部署方法

本篇內容介紹了“weblogic的部署方法”的有關知識,在實際案例的操作過程中,不少人都會遇到這樣的困境,接下來就讓小編帶領大家學習一下如何處理這些情況吧!希望大家仔細閱讀,能夠學有所成!

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  • 首先是Weblogic的Docker部署。

請仔細閱讀:https://my.oschina.net/u/3867634/blog/2246865

至此,我們已經構建了oracle/weblogic:12.2.1.3-developer鏡像,為了方便后續(xù)使用,我們可以搭建Harbor本地私有鏡像倉庫,將次鏡像push至倉庫中。

  • 搭建Harbor倉庫

請參閱:https://github.com/goharbor/harbor/blob/release-1.6.0/docs/installation_guide.md

中文版:https://blog.csdn.net/aixiaoyang168/article/details/73549898

搭建完成后,kubernetes節(jié)點中需要修改insecure-registry:

//編輯配置docker-option配置文件
vi /etc/systemd/system/docker.service.d/docker-options.conf
//在文件中添加 --insecure-registry=172.17.20.25 
[Service]
Environment="DOCKER_OPTS=--insecure-registry=10.233.0.0/18 --insecure-registry=172.17.20.25 --graph=/var/lib/docker  --log-opt max-size=50m --log-opt max-file=5 \
--iptables=false"
//重啟docker
systemctl daemon-reload
systemctl restart docker

然后,將構建好的鏡像push至倉庫中:

//給image打標簽
docker tag oracle/weblogic:12.1.3-developer 172.17.20.25/oracle/weblogic:12.1.3-developer
//push至172.17.20.25
docker push 172.17.20.25/oracle/weblogic:12.1.3-developer

現在,可以登錄至http://172.17.20.25查看鏡像

weblogic的部署方法

拉取鏡像:

    docker pull 172.17.20.25/oracle/weblogic:12.2.1.3-developer
  • kubernetes集群中部署Weblogic

    拉取docker-images代碼:

$ git clone https://github.com/oracle/docker-images.git
//進入wls-k8s-domain目錄
[root@localhost ~]# cd docker-images/OracleWebLogic/samples/wls-k8s-domain/
[root@localhost wls-k8s-domain]# ls
build.sh  container-scripts  Dockerfile  k8s  README.md

     構建wls-k8s-domain鏡像:

$ docker build -t wls-k8s-domain .

將鏡像tag打成172.17.20.25/oracle/wls-k8s-domain:1.0后push至Harbor以方便k8s節(jié)點拉取。

再修改k8s/wls-admin.yml為如下所示:

apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: admin-server
spec:
  selector:
    matchLabels:
      app: admin-server
  replicas: 1
  template:
    metadata:
      labels:
        app: admin-server
    spec:
      podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - admin-server
            topologyKey: "kubernetes.io/hostname"
      containers:
      - name: admin-server
#image修改為harbor上的名字
        image: 172.17.20.25/oracle/wls-k8s-domain:1.0
        imagePullPolicy: IfNotPresent
        command: ["sh"]
        args: ["/u01/oracle/startadmin.sh"]
        readinessProbe:
            httpGet:
              path: /weblogic/ready
              port: 8001
            initialDelaySeconds: 15
            timeoutSeconds: 5
        ports:
        - containerPort: 8001

        env:
        - name: WLUSER
          valueFrom:
            secretKeyRef:
              name: wlsecret
              key: username
        - name: WLPASSWORD
          valueFrom:
            secretKeyRef:
              name: wlsecret
              key: password
        volumeMounts:
        - mountPath: /u01/wlsdomain
          name: domain-home

      volumes:
      - name: domain-home
        persistentVolumeClaim:
          claimName: wlserver-pvc-1

---

apiVersion: v1
kind: Service
metadata:
  name: admin-server
  labels:
    app: admin-server
spec:
  type: NodePort
  selector:
    app: admin-server
  ports:
    - name: client
      protocol: TCP
      port: 8001
      targetPort: 8001
      nodePort: 30007
  selector:
    app: admin-server

     修改k8s/wls-stateful.yml為:

apiVersion: apps/v1beta1 # for versions before 1.6.0 use extensions/v1beta1
kind: StatefulSet
metadata:
  name: managed-server
spec:
  serviceName: wls-subdomain
  selector:
    matchLabels:
      app: managed-server
  replicas: 2
  template:
    metadata:
      name: ms
      labels:
        app: managed-server
    spec:
#將managed-server與admin-server部署在同一個node上
      affinity:
        podAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - admin-server
            topologyKey: "kubernetes.io/hostname"
      subdomain: wls-subdomain
      containers:
      - name: managed-server
        image: 172.17.20.25/oracle/wls-k8s-domain:1.0
        imagePullPolicy: IfNotPresent
        command: ["sh"]
        args: ["/u01/oracle/startms.sh"]
        readinessProbe:
            httpGet:
              path: /weblogic/ready
              port: 8011
            initialDelaySeconds: 15
            timeoutSeconds: 5
        ports:
        - containerPort: 8011
        env:
        - name: JAVA_OPTIONS
          value: "-Dweblogic.StdoutDebugEnabled=true"
        - name: USER_MEM_ARGS
          value: "-Xms64m -Xmx256m "
        - name: MY_POD_IP
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: MY_POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: DNS_DOMAIN_NAME
          value: "wls-subdomain"
        - name: WLUSER
          valueFrom:
            secretKeyRef:
              name: wlsecret
              key: username
        - name: WLPASSWORD
          valueFrom:
            secretKeyRef:
              name: wlsecret
              key: password

        volumeMounts:
        - mountPath: /u01/wlsdomain
          name: domain-home
        - mountPath: /u01/filestores
          name: filestore-data

      volumes:
      - name: domain-home
        persistentVolumeClaim:
          claimName: wlserver-pvc-1
      - name: filestore-data
        persistentVolumeClaim:
          claimName: wlserver-pvc-2
---

apiVersion: v1 # headless service required for statefulSet
kind: Service
metadata:
  name: wls-subdomain
  labels:
    app: managed-server
spec:
  ports:
  - name: client
    port: 8011
    protocol: TCP
    targetPort: 8011
  clusterIP: None
  selector:
    app: managed-server

---

apiVersion: v1
kind: Service
metadata:
  name: wls-service
  labels:
    app: managed-server
spec:
  type: NodePort
  ports:
  - name: client
    port: 8011
    protocol: TCP
    targetPort: 8011
    nodePort: 30009
  selector:
    app: managed-server

修改k8s/pv.yml

kind: PersistentVolume
apiVersion: v1
metadata:
  name: pv1
  labels:
    app: wls-domain
spec:
  storageClassName: manual
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteMany
  persistentVolumeReclaimPolicy: Recycle  # Retain, Recycle, Delete
  hostPath:
#path填上本地目錄
    path: "/home/oracle/pv/pv1"
  #nfs:
    #server: <nfs_server_ip>
    #path: <shared_path>
---

kind: PersistentVolume
apiVersion: v1
metadata:
  name: pv2
  labels:
    app: wls-domain
spec:
  storageClassName: manual
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteMany
  persistentVolumeReclaimPolicy: Recycle  # Retain, Recycle, Delete
  hostPath:
    path: "/home/oracle/pv/pv2"
  #nfs:
    #server: <nfs_server_ip>
    #path: <shared_path>

---

kind: PersistentVolume
apiVersion: v1
metadata:
  name: pv3
  labels:
    app: wls-domain
spec:
  storageClassName: manual
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Recycle  # Retain, Recycle, Delete
  hostPath:
    path: "/home/oracle/pv/pv3"
  #nfs:
    #server: <nfs_server_ip>
    #path: <shared_path>

NOTE:hostPath下所填的目錄需有777權限。

IMPORTANT:在執(zhí)行創(chuàng)建腳本之前,必須確保有一個用戶的UID和GID為1000:1000。

然后,依次執(zhí)行以下命令:

$ kubectl create -f  k8s/secrets.yml
$ kubectl create -f  k8s/pv.yml
$ kubectl create -f  k8s/pvc.yml
$ kubectl create -f  k8s/wls-admin.yml
$ kubectl create -f  k8s/wls-stateful.yml

至此,一個帶有兩個managed-server的domain便創(chuàng)建好了。

$ kubectl get all
NAME                               READY     STATUS    RESTARTS   AGE
po/admin-server-1238998015-f932w   1/1       Running   0          11m
po/managed-server-0                1/1       Running   0          11m
po/managed-server-1                1/1       Running   0          8m

NAME                CLUSTER-IP       EXTERNAL-IP   PORT(S)          AGE
svc/admin-server    10.102.160.123   <nodes>       8001:30007/TCP   11m
svc/kubernetes      10.96.0.1        <none>        443/TCP          39d
svc/wls-service     10.96.37.152     <nodes>       8011:30009/TCP   11m
svc/wls-subdomain   None             <none>        8011/TCP         11m

NAME                          DESIRED   CURRENT   AGE
statefulsets/managed-server   2         2         11m

NAME                  DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
deploy/admin-server   1         1         1            1           11m

NAME                         DESIRED   CURRENT   READY     AGE
rs/admin-server-1238998015   1         1         1         11m

    現在可以登錄http:IP:30007/console訪問控制臺,默認賬號為:weblogic,密碼為:weblogic1。

    在weblogic中部署的應用訪問端口為30009。

  • 改進

我們可以制作chart來一鍵安裝,步驟如下:

1.創(chuàng)建名為hello-world的charts

helm create weblogic

2.將k8s/目錄放入weblogic/templates目錄下

注:helloworld程序簡單,程序不需引入相關依賴,也不需要傳入參數。charts提供了版本控制,引入依賴,傳參等配置文件。

3.打包tar

helm package weblogic

4.在本地創(chuàng)建charts文件夾,并將打包的tar文件移入,生成index.yaml

mv weblogic-0.1.0.tgz charts/

helm serve --repo-path ./charts

5、安裝chart

helm install weblogic

“weblogic的部署方法”的內容就介紹到這里了,感謝大家的閱讀。如果想了解更多行業(yè)相關的知識可以關注創(chuàng)新互聯(lián)網站,小編將為大家輸出更多高質量的實用文章!

當前名稱:weblogic的部署方法
文章位置:http://bm7419.com/article38/pcsjpp.html

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