k8s部署zabbix

k8s以Deployment方式部署zabbix。当前最新版本：5.2.4

namespace

mkdir -p /home/k8s/zabbix/{mysql,zabbix-server,zabbix-web}cd /home/k8s/zabbix

vim namespace.yaml

apiVersion: v1kind: Namespacemetadata:
  name: monitoring

pv

• 部署nfs：

选择一节点，

mkdir -p /data/mysql

yum -y install nfs-utils rpcbindecho '/data/mysql 192.168.30.0/24(rw,sync,no_root_squash)' > /etc/exportschmod -R 755 /data/mysql

exportfs -arv

systemctl enable rpcbind && systemctl start rpcbind

systemctl enable nfs && systemctl start nfs

nfs部署完毕。对于需要使用nfs的node节点，都要安装nfs：

yum -y install nfs-utils

• 创建pv：

cd /home/k8s/zabbix

vim nfs-mysql-pv.yaml

apiVersion: v1kind: PersistentVolumemetadata:
  name: mysql-pv  labels:
    pvname: nfs-mysql-pvspec:
  capacity:
    storage: 20Gi  accessModes:
    - ReadWriteMany  nfs:
    server: 192.168.30.129    path: /data/mysql

mysql

vim mysql/mysql.yaml

apiVersion: v1kind: Servicemetadata:
  name: mysql  namespace: monitoring  labels:
    app: mysqlspec:
  selector:
    app: mysql  ports:
  - name: mysql    port: 3306
    protocol: TCP    targetPort: 3306
  clusterIP: None---apiVersion: apps/v1kind: StatefulSetmetadata:
  name: mysql  namespace: monitoringspec:
  serviceName: mysql  replicas: 1
  selector:
    matchLabels:
      app: mysql  template:
    metadata:
      labels:
        app: mysql    spec:
      containers:
      - name: mysql        image: mysql:5.7.28        imagePullPolicy: IfNotPresent        args:
        - "--character-set-server=utf8"
        - "--collation-server=utf8_bin"
        - "--default-authentication-plugin=mysql_native_password"
        env:
        - name: MYSQL_DATABASE          value: "zabbix"
        - name: MYSQL_USER          value: "zabbix"
        - name: MYSQL_PASSWORD          value: "zabbix"
        - name: MYSQL_ROOT_PASSWORD          value: "zabbix"
        ports:
        - containerPort: 3306
          name: mysql          protocol: TCP        resources:
          requests:
            cpu: 1000m            memory: 1000Mi          limits:
            cpu: 2000m            memory: 2000Mi        volumeMounts:
        - name: timezone          mountPath: /etc/localtime        - name: data          mountPath: /var/lib/mysql      terminationGracePeriodSeconds: 20
      volumes:
      - name: timezone        hostPath:
          path: /usr/share/zoneinfo/Asia/Shanghai  volumeClaimTemplates:
  - metadata:
      name: data      namespace: monitoring    spec:
      selector:
        matchLabels:
          pvname: nfs-mysql-pv      accessModes: [ "ReadWriteMany" ]
      resources:
        requests:
          storage: 20Gi

zabbix-server

vim zabbix-server/zabbix-server.yaml

apiVersion: v1kind: Servicemetadata:
  name: zabbix-server  namespace: monitoring  labels:
    app: zabbix-serverspec:
  selector:
    app: zabbix-server  ports:
  - name: zabbix-server    port: 10051
    nodePort: 30051
  type: NodePort---apiVersion: apps/v1kind: Deploymentmetadata:
  name: zabbix-server  namespace: monitoringspec:
  replicas: 1
  selector:
    matchLabels:
      app: zabbix-server  template:
    metadata:
      labels:
        app: zabbix-server    spec:
      containers:
      - name: zabbix-server        image: zabbix/zabbix-server-mysql:latest        imagePullPolicy: IfNotPresent        env:
        - name: DB_SERVER_HOST          value: mysql        - name: DB_SERVER_PORT          value: "3306"
        - name: MYSQL_DATABASE          value: zabbix        - name: MYSQL_USER          value: zabbix        - name: MYSQL_PASSWORD          value: zabbix        - name: MYSQL_ROOT_PASSWORD          value: zabbix        - name: ZBX_CACHESIZE          value: "512M"
        - name: ZBX_HISTORYCACHESIZE          value: "128M"
        - name: ZBX_HISTORYINDEXCACHESIZE          value: "128M"
        - name: ZBX_TRENDCACHESIZE          value: "128M"
        - name: ZBX_VALUECACHESIZE          value: "256M"
        - name: ZBX_TIMEOUT          value: "30"
        ports:
        - containerPort: 10051
          name: zabbix-server          protocol: TCP        resources:
          requests:
            cpu: 1000m            memory: 1000Mi          limits:
            cpu: 1000m            memory: 1000Mi      - name: zabbix-agent        image: zabbix/zabbix-agent:latest        imagePullPolicy: IfNotPresent        env:
        - name: ZBX_HOSTNAME          value: "Zabbix server"
        - name: ZBX_SERVER_HOST          value: "127.0.0.1"
        - name: ZBX_STARTAGENTS          value: "3"
        - name: ZBX_UNSAFEUSERPARAMETERS          value: "1"
        - name: ZBX_TIMEOUT          value: "10"
        ports:
        - containerPort: 10050
          name: zabbix-agent          protocol: TCP        resources:
          requests:
            cpu: 200m            memory: 200Mi          limits:
            cpu: 200m            memory: 200Mi      nodeSelector:             #固定zabbix server ip
        node-role.kubernetes.io/master: ""
      tolerations:
      - key: node-role.kubernetes.io/master        operator: Exists        effect: NoSchedule

zabbix-web

vim zabbix-web/zabbix-web.yaml

apiVersion: extensions/v1beta1kind: Ingressmetadata:
  name: zabbix-web  namespace: monitoringspec:
  rules:
  - host: zabbix.lzxLinux.cn    http:
      paths:
      - path: /        backend:
          serviceName: zabbix-web          servicePort: 8080---apiVersion: v1kind: Servicemetadata:
  name: zabbix-web  namespace: monitoring  labels:
    app: zabbix-webspec:
  selector:
    app: zabbix-web  ports:
  - name: web    port: 8080
    protocol: TCP---apiVersion: apps/v1kind: Deploymentmetadata:
  name: zabbix-web  namespace: monitoringspec:
  replicas: 1
  selector:
    matchLabels:
      app: zabbix-web  template:
    metadata:
      labels:
        app: zabbix-web    spec:
      containers:
      - name: zabbix-web        image: zabbix/zabbix-web-nginx-mysql:latest        imagePullPolicy: IfNotPresent        env:
        - name: DB_SERVER_HOST          value: mysql        - name: MYSQL_DATABASE          value: zabbix        - name: MYSQL_USER          value: zabbix        - name: MYSQL_PASSWORD          value: zabbix        - name: MYSQL_ROOT_PASSWORD          value: zabbix        - name: ZBX_SERVER_HOST          value: zabbix-server        - name: PHP_TZ          value: "Asia/Shanghai"
        ports:
        - containerPort: 8080
          name: web          protocol: TCP        resources:
          requests:
            cpu: 500m            memory: 500Mi          limits:
            cpu: 500m            memory: 500Mi

部署

tree ..├── mysql
│   └── mysql.yaml
├── namespace.yaml
├── nfs-mysql-pv.yaml
├── zabbix-server
│   └── zabbix-server.yaml
└── zabbix-web
    └── zabbix-web.yaml

3 directories, 5 files

kubectl apply -f namespace.yaml

kubectl apply -f nfs-mysql-pv.yaml

kubectl apply -f mysql/

kubectl apply -f zabbix-server/

kubectl apply -f zabbix-web/

kubectl get all -n monitoring

NAME                                READY   STATUS    RESTARTS   AGE
pod/mysql-0                         1/1     Running   0          5m13s
pod/zabbix-server-98fdf455b-kjfpg   2/2     Running   0          4m2s
pod/zabbix-web-7c5485fcb9-mxhsm     1/1     Running   0          104s

NAME                    TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)           AGE
service/mysql           ClusterIP   None             <none>        3306/TCP          5m13s
service/zabbix-server   NodePort    10.109.117.167   <none>        10051:30051/TCP   4m2s
service/zabbix-web      ClusterIP   10.106.252.238   <none>        8080/TCP          104s

NAME                            READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/zabbix-server   1/1     1            1           4m2s
deployment.apps/zabbix-web      1/1     1            1           104s

NAME                                      DESIRED   CURRENT   READY   AGE
replicaset.apps/zabbix-server-98fdf455b   1         1         1       4m2s
replicaset.apps/zabbix-web-7c5485fcb9     1         1         1       104s

NAME                     READY   AGE
statefulset.apps/mysql   1/1     5m13s

添加hosts：zabbix.lzxLinux.cn，账号/密码：Admin/zabbix。

Zabbix server 信息，

zabbix-agent

zabbix agent 节点启动docker，

mkdir -p /data/zabbix-agent && chmod -R 755 /data/zabbix-agentcat > /data/zabbix-agent/zabbix_agentd.conf << EOF
LogType=console
Server=192.168.30.128               #k8s master ip，部署时删除注释
StartAgents=3
ServerActive=192.168.30.128:30051
Hostname=192.168.30.129             #k8s node ip，部署时删除注释
User=zabbix
UnsafeUserParameters=1
LoadModulePath=/var/lib/zabbix/modules/
EOFdocker run -d --name zabbix-agent \
    -v /data/zabbix-agent:/etc/zabbix \
    -p 10050:10050 zabbix/zabbix-agent:latest

查看日志报错：no active checks on server [192.168.30.128:30051]: host [192.168.30.129] not found

解决：zabbix web 界面添加host，hostname 为 192.168.30.129。

Zabbix agent 信息，

k8s部署zabbix完成。已存放至个人github：kubernetes