104 lines
2.6 KiB
YAML
104 lines
2.6 KiB
YAML
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---
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# Headless Service（StatefulSet 必需，哪怕单节点，无头）
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apiVersion: v1
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kind: Service
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metadata:
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name: elasticsearch
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namespace: es-test
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spec:
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clusterIP: None
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selector:
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app: elasticsearch
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ports:
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- port: 9200
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name: http
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- port: 9300
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name: transport
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---
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# 单节点 StatefulSet (有状态工作负载)
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: elasticsearch
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namespace: es-test
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spec:
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serviceName: "elasticsearch"
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replicas: 1 # 👈 单节点！
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selector:
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matchLabels:
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app: elasticsearch
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template:
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metadata:
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labels:
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app: elasticsearch
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spec:
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# ✅ 关键：initContainer 修复内核参数（腾讯云默认可能不足）
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initContainers:
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- name: increase-vm-max-map
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image: busybox
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command: ["sysctl", "-w", "vm.max_map_count=262144"]
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securityContext:
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privileged: true
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containers:
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- name: elasticsearch
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image: docker.elastic.co/elasticsearch/elasticsearch:9.2.2
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env:
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- name: discovery.type
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value: "single-node" # ⚠️ 必须！否则 ES 9 会报错退出
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- name: cluster.name
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value: "test-es-cluster"
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- name: node.name
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value: "es-test-node"
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- name: ES_JAVA_OPTS
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value: "-Xms1g -Xmx1g" # 测试环境 1G 足够
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ports:
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- containerPort: 9200
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name: http
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- containerPort: 9300
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name: transport
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volumeMounts:
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- name: data
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mountPath: /usr/share/elasticsearch/data
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# 探针（可选，加快感知）
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readinessProbe:
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httpGet:
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path: /_cluster/health
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port: 9200
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initialDelaySeconds: 20
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periodSeconds: 10
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livenessProbe:
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httpGet:
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path: /_cluster/health
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port: 9200
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initialDelaySeconds: 60
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periodSeconds: 30
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# ✅ ES 9 默认非 root 运行，必须设置
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securityContext:
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runAsUser: 1000
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runAsGroup: 1000
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fsGroup: 1000
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# 腾讯云 CBS 需要 RWO，单节点没问题
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volumes:
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- name: data
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persistentVolumeClaim:
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claimName: es-data-pvc
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---
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# 单独创建 PVC（StatefulSet 用 volumeClaimTemplates 更规范，但单节点直接 PVC 更直观）
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: es-data-pvc
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namespace: es-test
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spec:
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accessModes:
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- ReadWriteOnce
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storageClassName: cbs # 👈 腾讯云默认存储类（如用高性能 SSD 改为 cbs-premium）
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resources:
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requests:
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storage: 20Gi # 测试够用，可调小如 10Gi
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