k8s部署zabbix

其他 2021-04-05 19:12:58 阅读次数: 0

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: v1
kind: Namespace
metadata:
  name: monitoring

pv

  • 部署nfs：

选择一节点，

mkdir -p /data/mysql

yum -y install nfs-utils rpcbind

echo '/data/mysql 192.168.30.0/24(rw,sync,no_root_squash)' > /etc/exports

chmod -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: v1
kind: PersistentVolume
metadata:
  name: mysql-pv
  labels:
    pvname: nfs-mysql-pv
spec:
  capacity:
    storage: 20Gi
  accessModes:
    - ReadWriteMany
  nfs:
    server: 192.168.30.129
    path: /data/mysql

mysql

vim mysql/mysql.yaml

apiVersion: v1
kind: Service
metadata:
  name: mysql
  namespace: monitoring
  labels:
    app: mysql
spec:
  selector:
    app: mysql
  ports:
  - name: mysql
    port: 3306
    protocol: TCP
    targetPort: 3306
  clusterIP: None

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mysql
  namespace: monitoring
spec:
  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: v1
kind: Service
metadata:
  name: zabbix-server
  namespace: monitoring
  labels:
    app: zabbix-server
spec:
  selector:
    app: zabbix-server
  ports:
  - name: zabbix-server
    port: 10051
    nodePort: 30051
  type: NodePort

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: zabbix-server
  namespace: monitoring
spec:
  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/v1beta1
kind: Ingress
metadata:
  name: zabbix-web
  namespace: monitoring
spec:
  rules:
  - host: zabbix.lzxlinux.cn
    http:
      paths:
      - path: /
        backend:
          serviceName: zabbix-web
          servicePort: 8080

---
apiVersion: v1
kind: Service
metadata:
  name: zabbix-web
  namespace: monitoring
  labels:
    app: zabbix-web
spec:
  selector:
    app: zabbix-web
  ports:
  - name: web
    port: 8080
    protocol: TCP

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: zabbix-web
  namespace: monitoring
spec:
  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。

在这里插入图片描述

Zabbix server 信息，

在这里插入图片描述

zabbix-agent

zabbix agent 节点启动docker，

mkdir -p /data/zabbix-agent && chmod -R 755 /data/zabbix-agent

cat > /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/
EOF

docker 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，

在这里插入图片描述

在这里插入图片描述

k8s部署zabbix完成。已存放至个人github：kubernetes

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转载自blog.csdn.net/miss1181248983/article/details/113825494
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