iloom/k8s/10-infra/etcd.yaml

apiVersion: v1
kind: Service
metadata:
  name: etcd
  namespace: iloom
spec:
  clusterIP: None
  ports:
    - name: client
      port: 2379
      targetPort: 2379
    - name: peer
      port: 2380
      targetPort: 2380
  selector:
    app: etcd
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: etcd
  namespace: iloom
spec:
  serviceName: etcd
  replicas: 1
  selector:
    matchLabels:
      app: etcd
  template:
    metadata:
      labels:
        app: etcd
    spec:
      imagePullSecrets:
        - name: harbor-pull-secret
      containers:
        - name: etcd
          image: harbor-in-k3s.cheverjohn.me/iloom/etcd:v3.5.17
          ports:
            - containerPort: 2379
              name: client
            - containerPort: 2380
              name: peer
          env:
            - name: ETCD_NAME
              value: "etcd-0"
            - name: ETCD_DATA_DIR
              value: "/etcd-data"
            - name: ETCD_LISTEN_CLIENT_URLS
              value: "http://0.0.0.0:2379"
            - name: ETCD_ADVERTISE_CLIENT_URLS
              value: "http://etcd:2379"
            - name: ETCD_LISTEN_PEER_URLS
              value: "http://0.0.0.0:2380"
            - name: ETCD_INITIAL_ADVERTISE_PEER_URLS
              value: "http://etcd-0.etcd:2380"
            - name: ETCD_INITIAL_CLUSTER
              value: "etcd-0=http://etcd-0.etcd:2380"
            - name: ETCD_INITIAL_CLUSTER_STATE
              value: "new"
          volumeMounts:
            - name: etcd-data
              mountPath: /etcd-data
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              cpu: 500m
              memory: 256Mi
          readinessProbe:
            exec:
              command: ["etcdctl", "endpoint", "health", "--endpoints=http://localhost:2379"]
            initialDelaySeconds: 10
            periodSeconds: 10
          livenessProbe:
            exec:
              command: ["etcdctl", "endpoint", "health", "--endpoints=http://localhost:2379"]
            initialDelaySeconds: 30
            periodSeconds: 30
  volumeClaimTemplates:
    - metadata:
        name: etcd-data
      spec:
        accessModes: ["ReadWriteOnce"]
        storageClassName: longhorn
        resources:
          requests:
            storage: 1Gi