新增流水线脚本

k8s_yaml/elasticsearch-9.2.2/高可用/es-sts.yaml

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+# es-sts.yaml
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: elasticsearch
+  namespace: elastic-system
+spec:
+  serviceName: "elasticsearch"  # 必须与 Headless Service 名一致
+  replicas: 3  # 生产环境至少3节点！
+  selector:
+    matchLabels:
+      app: elasticsearch
+  template:
+    metadata:
+      labels:
+        app: elasticsearch
+    spec:
+      # ⚠️ 关键：避免多个ES Pod调度到同一Node（防单点故障）
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values: ["elasticsearch"]
+            topologyKey: kubernetes.io/hostname
+
+      initContainers:
+      # 必须：调整 OS 内核参数（ES 要求）
+      - name: init-sysctl
+        image: busybox:1.35
+        securityContext:
+          privileged: true
+        command:
+        - sysctl
+        - -w
+        - vm.max_map_count=262144
+        - sysctl
+        - -w
+        - fs.file-max=65536
+
+      containers:
+      - name: elasticsearch
+        image: docker.elastic.co/elasticsearch/elasticsearch:9.2.2
+        env:
+        - name: cluster.name
+          value: "k8s-es-cluster"
+        - name: node.name
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name  # → es-0, es-1, es-2
+        - name: discovery.seed_hosts
+          value: "elasticsearch-0.elasticsearch,elasticsearch-1.elasticsearch,elasticsearch-2.elasticsearch"
+        - name: cluster.initial_master_nodes
+          value: "elasticsearch-0,elasticsearch-1,elasticsearch-2"
+        - name: ES_JAVA_OPTS
+          value: "-Xms2g -Xmx2g"
+        - name: network.host
+          value: "0.0.0.0"
+        ports:
+        - containerPort: 9200
+          name: http
+        - containerPort: 9300
+          name: transport
+        volumeMounts:
+        - name: data
+          mountPath: /usr/share/elasticsearch/data
+        readinessProbe:
+          httpGet:
+            path: /_cluster/health
+            port: 9200
+          initialDelaySeconds: 30
+          periodSeconds: 10
+        livenessProbe:
+          httpGet:
+            path: /_cluster/health
+            port: 9200
+          initialDelaySeconds: 60
+          periodSeconds: 30
+
+      # ⚠️ 必须设置 securityContext（ES 9+ 默认以非 root 启动）
+      securityContext:
+        fsGroup: 1000
+        runAsUser: 1000
+        runAsNonRoot: true
+
+  # ⚠️ 关键：每个副本独享 PVC → 自动创建3个 PV（各绑定一块 CBS）
+  volumeClaimTemplates:
+  - metadata:
+      name: data
+    spec:
+      accessModes: [ "ReadWriteOnce" ]  # 腾讯云 CBS 支持 RWO
+      storageClassName: cbs  # 或 cbs-premium（高性能 SSD）
+      resources:
+        requests:
+          storage: 100Gi  # 按需调整

k8s_yaml/elasticsearch-9.2.2/高可用/es-svc.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: elasticsearch
+  namespace: elastic-system
+  labels:
+    app: elasticsearch
+spec:
+  clusterIP: None  # Headless Service！关键！
+  selector:
+    app: elasticsearch
+  ports:
+  - port: 9200
+    name: http
+  - port: 9300
+    name: transport

k8s_yaml/elasticsearch-9.2.2/高可用/步骤.md

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+## 步骤 1：创建 Namespace（可选但推荐）
+kubectl create ns elastic-system
+
+# 步骤 2：创建 Headless Service（StatefulSet 必需）
+# es-svc.yaml
+# Headless Service 为每个 Pod 提供稳定 DNS（es-0.elasticsearch.elastic-system.svc.cluster.local）
+
+
+# 步骤 3：创建 StatefulSet（3 节点，3 个独立 PV）
+# es-sts.yaml