k8s部署alertmanager

修改alertmanager-pvc.yaml文件中的信息，然后应用YAML文件

cat > /opt/k8s/alertmanager/alertmanager-pvc.yaml <<EOF
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: alertmanager-data-pvc
spec:
  accessModes:
    - ReadWriteMany
  storageClassName: "nfs-storage"
  resources:
    requests:
      storage: 5Gi
EOF

kubectl apply -f alertmanager-pvc.yaml 
kubectl get pvc

部署ConfigMap

上传文件alertmanager.yml 到/opt/k8s/alertmanager/file/下

kubectl create configmap alertmanager-config \
  --from-file=alertmanager.yml=/opt/k8s/alertmanager/file/alertmanager.yml

如需修改可使用kubectl edit 或者以下方式

删除现有的ConfigMap

kubectl delete configmap alertmanager-config

使用新的文件重新创建ConfigMap

kubectl create configmap alertmanager-config
–from-file=alertmanager.yml=/opt/k8s/alertmanager/file/alertmanager.yml

部署Deployment

修改alertmanager-Deployment.yaml文件中的信息，然后应用YAML文件

cat > /opt/k8s/alertmanager/alertmanager-Deployment.yaml <<EOF
apiVersion: apps/v1
kind: Deployment
metadata:
  name: alertmanager
spec:
  replicas: 1
  selector:
    matchLabels:
      app: alertmanager
  template:
    metadata:
      labels:
        app: alertmanager
    spec:
      containers:
      - name: alertmanager
        image: prom/alertmanager:v0.27.0
        args:
          - "--config.file=/etc/alertmanager/alertmanager.yml"
        ports:
        - containerPort: 9093
        volumeMounts:
        - name: alertmanager-storage
          mountPath: /alertmanager
        - name: alertmanager-config
          mountPath: /etc/alertmanager/alertmanager.yml
          subPath: alertmanager.yml
      volumes:
      - name: alertmanager-storage
        persistentVolumeClaim:
          claimName: alertmanager-data-pvc
      - name: alertmanager-config
        configMap:
          name: alertmanager
EOF

kubectl apply -f alertmanager-Deployment.yaml 
kubectl get Deployment

部署Service

修改alertmanager-Service.yaml文件中的信息，然后应用YAML文件

cat > /opt/k8s/alertmanager/alertmanager-Service.yaml <<EOF
apiVersion: v1
kind: Service
metadata:
  name: alertmanager-service
spec:
  type: NodePort
  ports:
  - port: 9093
    targetPort: 9093
    nodePort: 30093
  selector:
    app: alertmanager
EOF

kubectl apply -f alertmanager-Service.yaml 
kubectl get Service