• k8s 安装 canal 服务

    目录

    资源清单

    本文安装 canal 依赖 K8S集群 、MySQL ，本文不提供 K8S集群 安装方式，MySQL 安装可以参考以下文档

    helm 安装 MySQL 主从

    软件 版本
    canal-admin v1.1.5
    canal-server v1.1.5
    mysql 5.7.26
    kubernetes v1.19.3

    K8S 安装 canal

    1. 安装 canal-admin

    a | 创建 canal-admin 目录

    $ mkdir -p /root/canal/canal-admin/ && cd /root/canal/canal-admin/

    b | 获取数据库初始化语句

    $ wget https://raw.githubusercontent.com/alibaba/canal/canal-1.1.5/admin/admin-web/src/main/resources/canal_manager.sql -O /tmp/canal_manager.sql

    c | 创建用户和数据库初始化数据

    $ kubectl cp /tmp/canal_manager.sql test-middleware/mysql_host:/tmp/canal_manager.sql

# 连接部署好的 Mysql 数据，创建 apollo 账户和数据库
$ mysql -h mysql_host -u root -p root123

mysql > create database canal_manager default character set utf8mb4 collate utf8mb4_unicode_ci;
mysql > grant all on canal_manager.* to 'canal'@'%' identified by 'canal';

# 执行数据库初始化语句
mysql > sourse /tmp/apolloconfigdb.sql

    d | canal-admin yaml 资源清单

    • yaml 配置
    $ cat << EOF >> canal-admin-test.yaml 

apiVersion: v1
kind: ConfigMap
metadata:
  name: canal-admin
  namespace: test-middleware
data:
  admin_user: "admin"
  admin_password: "123456"
  datasource_address: "mysql-cluster-mysql.test-middleware:3306"
  datasource_database: "canal_manager"
  datasource_username: "canal"
  datasource_password: "canal"

---

kind: Deployment
apiVersion: apps/v1
metadata:
  name: canal-admin
  namespace: test-middleware
  labels:
    app.kubernetes.io/name: canal-admin
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: canal-admin
  template:
    metadata:
      name: canal-admin
      creationTimestamp: null
      labels:
        app.kubernetes.io/name: canal-admin
    spec:
      containers:
        - name: canal-admin
          image: 'canal/canal-admin:v1.1.5'
          imagePullPolicy: IfNotPresent
          ports:
            - name: web
              containerPort: 8089
              protocol: TCP
          env:
            - name: server.port
              value: '8089'
            - name: canal.adminUser
              valueFrom:
                configMapKeyRef:
                  name: canal-admin
                  key: admin_user
            - name: canal.adminPasswd
              valueFrom:
                configMapKeyRef:
                  name: canal-admin
                  key: admin_password
            - name: spring.datasource.address
              valueFrom:
                configMapKeyRef:
                  name: canal-admin
                  key: datasource_address
            - name: spring.datasource.database
              valueFrom:
                configMapKeyRef:
                  name: canal-admin
                  key: datasource_database
            - name: spring.datasource.username
              valueFrom:
                configMapKeyRef:
                  name: canal-admin
                  key: datasource_username
            - name: spring.datasource.password
              valueFrom:
                configMapKeyRef:
                  name: canal-admin
                  key: datasource_password
          resources:
            requests:
              cpu: 250m
              memory: 256Mi
          livenessProbe:
            httpGet:
              path: /
              port: 8089
            initialDelaySeconds: 10
            timeoutSeconds: 5
            periodSeconds: 30
          readinessProbe:
            httpGet:
              path: /
              port: 8089
            initialDelaySeconds: 10
            timeoutSeconds: 5
            periodSeconds: 30
      restartPolicy: Always
      nodeSelector: {}
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 1
              podAffinityTerm:
                labelSelector:
                  matchLabels:
                    app.kubernetes.io/name: canal-admin
                namespaces:
                  - test-middleware
                topologyKey: kubernetes.io/hostname
  revisionHistoryLimit: 10

---

kind: Service
apiVersion: v1
metadata:
  name: canal-admin
  namespace: test-middleware
spec:
  ports:
    - protocol: TCP
      port: 8089
      targetPort: 8089
  selector:
    app.kubernetes.io/name: canal-admin

---

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: canal-admin
  namespace: test-middleware
spec:
  tls: []
  rules:
  - host: canal-admin.evescn.com        # 域名
    http:
      paths:
      - backend:
          serviceName: canal-admin                 # 对应服务名
          servicePort: 8089

EOF

    e | 安装 canal-admin

    # 创建 test-middleware 名称空间
$ kubectl create ns test-middleware

# 安装 canal-admin
$ cd /root/canal/canal-admin/
$ kubectl apply -f  canal-admin-test.yaml

    f | 查看服务

    $ kubectl -n test-middleware get pods

NAME                           READY   STATUS    RESTARTS   AGE
canal-admin-68b95bfc7c-tjmcj   1/1     Running   0          19m
    • 查看ingress
    $ kubectl -n test-middleware get ingress

NAME          CLASS    HOSTS                    ADDRESS   PORTS   AGE
canal-admin   <none>   canal-admin.evescn.com             80      20m

    2. 安装 canal-server

    a | 创建 canal-server 目录

    $ mkdir -p /root/canal/canal-server/ && cd /root/canal/canal-server/

    b | 授权 canal 用户主从同步权限

    # 连接部署好的 Mysql 数据，创建 apollo 账户和数据库
$ mysql -h mysql_host -u root -p root123

mysql > GRANT SELECT, REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'canal'@'%';
mysql > FLUSH PRIVILEGES;

    c | canal-server yaml 资源清单

    • yaml 配置
    $ cat << EOF >> canal-server-test.yaml 

apiVersion: v1
kind: ConfigMap
metadata:
  name: canal-server
  namespace: test-middleware
data:
  admin_manager: "canal-admin.test-middleware:8089"
  admin_port: "11110"
  admin_user: "admin"
  admin_password: "6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9"
  # admin_register_cluster: "local"
  admin_register_auto: "true"
  admin_register_name: "test-canal-server"

---

kind: StatefulSet
apiVersion: apps/v1
metadata:
  name: canal-server
  namespace: test-middleware
  labels:
    app.kubernetes.io/name: canal-server
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: canal-server
  template:
    metadata:
      name: canal-server
      creationTimestamp: null
      labels:
        app.kubernetes.io/name: canal-server
    spec:
      containers:
        - name: canal-server
          image: 'canal/canal-server:v1.1.5'
          imagePullPolicy: IfNotPresent
          ports:
            - name: tcp
              containerPort: 11111
              protocol: TCP
          env:
            - name: canal.admin.manager
              valueFrom:
                configMapKeyRef:
                  name: canal-server
                  key: admin_manager
            - name: canal.admin.port
              valueFrom:
                configMapKeyRef:
                  name: canal-server
                  key: admin_port
            - name: canal.admin.user
              valueFrom:
                configMapKeyRef:
                  name: canal-server
                  key: admin_user
            - name: canal.admin.passwd
              valueFrom:
                configMapKeyRef:
                  name: canal-server
                  key: admin_password
            # - name: canal.admin.register.cluster
            #   valueFrom:
            #     configMapKeyRef:
            #       name: canal-server
            #       key: admin_register_cluster
            - name: canal.admin.register.auto
              valueFrom:
                configMapKeyRef:
                  name: canal-server
                  key: admin_register_auto
            - name: canal.admin.register.name
              valueFrom:
                configMapKeyRef:
                  name: canal-server
                  key: admin_register_name
          resources:
            requests:
              cpu: 250m
              memory: 256Mi
          livenessProbe:
            tcpSocket:
              port: 11112
            initialDelaySeconds: 10
            timeoutSeconds: 5
            periodSeconds: 30
          readinessProbe:
            tcpSocket:
              port: 11112
            initialDelaySeconds: 10
            timeoutSeconds: 5
            periodSeconds: 30
      restartPolicy: Always
      nodeSelector: {}
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 1
              podAffinityTerm:
                labelSelector:
                  matchLabels:
                    app.kubernetes.io/name: canal-server
                namespaces:
                  - test-middleware
                topologyKey: kubernetes.io/hostname
  serviceName: canal-server
  revisionHistoryLimit: 10

    d | 安装 canal-server

    # 安装 canal-admin
$ cd /root/canal/canal-server/
$ kubectl apply -f  canal-server-test.yaml

    3. 查看服务

    • 访问 canal-admin

    • 查看 canal-server 服务

    • 查看 Instance

    参考文档

    https://www.lerzen.com/post/canal%E5%AD%A6%E4%B9%A0%E5%8F%8Ak8s%E9%9B%86%E7%BE%A4%E9%83%A8%E7%BD%B2/

https://www.cnblogs.com/thepoy/p/14745329.html
https://www.songbingjia.com/javascript/show-64037.html
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  • 原文地址：https://www.cnblogs.com/evescn/p/16341932.html
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