只改镜像引用(8 处),K8s 资源名一律不动 —— 改了会丢数据/断服务:
改:
kubernetes/deployment.yaml image
docker-compose.yml image
docker-compose.prod.yml image ×2
kubernetes/README.md 文档 ×2
docs/deployment/kubernetes.md 文档 ×2
不改(重要):
opsxloki-secrets K8s Secret —— 改名会导致 JWT_SECRET/ENCRYPTION_KEY 重置,
历史加密的实例密码无法解密
opsxloki-data PVC —— 改名 = 新建空卷,数据全丢
container_name docker 容器名 —— 改名会让 docker exec/logs 命令失效
app: opsx-loki Pod label —— 改名要同步改 Service selector
deployment 名称 opsx-loki —— 改名要重建 Deployment
⚠️ 部署顺序(本提交只改代码,尚未 apply 到 K8s):
1) 推镜像 lghost/lokistack:latest 到 Docker Hub
2) kubectl apply -f kubernetes/deployment.yaml
3) 等 Pod 1/1 就绪
4) 才能删除 lghost/opsxloki
顺序颠倒会因 imagePullPolicy: Always 拉到不存在的镜像导致服务中断
98 lines
3.0 KiB
YAML
98 lines
3.0 KiB
YAML
# opsx-loki 平台本体
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#
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# 关键约束:
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# 1) replicas 必须为 1:JSON DB 为单写者,多副本会互相覆盖。
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# 2) strategy 必须为 Recreate:RollingUpdate 期间会同时存在两个 Pod 挂同一个
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# RWO PVC,两个进程同时写 opsxloki.json 会导致数据丢失。
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# 3) /app/data 必须挂 PVC,否则重启后 DB / kubeconfig / known_hosts 全丢。
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: opsx-loki
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namespace: log
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labels:
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app: opsx-loki
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spec:
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replicas: 1
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strategy:
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type: Recreate
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selector:
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matchLabels:
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app: opsx-loki
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template:
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metadata:
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labels:
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app: opsx-loki
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spec:
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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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containers:
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- name: opsx-loki
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image: lghost/lokistack:latest
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imagePullPolicy: Always
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ports:
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- name: http
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containerPort: 8080
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env:
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# 可选:指定 admin 初始密码。不设置则自动生成 16 位随机密码,
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# 写入 PVC 的 initial-admin-password.txt 并打印到首次启动日志。
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# 获取:kubectl -n log exec deploy/opsx-loki -- cat /app/data/initial-admin-password.txt
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# 自定义:
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# - name: ADMIN_INIT_PASSWORD
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# valueFrom:
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# secretKeyRef:
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# name: opsxloki-secrets
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# key: ADMIN_INIT_PASSWORD
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# optional: true
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- name: DATA_DIR
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value: /app/data
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- name: JWT_SECRET
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valueFrom:
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secretKeyRef:
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name: opsxloki-secrets
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key: JWT_SECRET
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- name: ENCRYPTION_KEY
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valueFrom:
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secretKeyRef:
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name: opsxloki-secrets
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key: ENCRYPTION_KEY
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# 可选:挂载本地集群 kubeconfig 时启用
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# - name: KUBECONFIG
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# value: /home/opsxloki/.kube/config
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volumeMounts:
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- name: data
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mountPath: /app/data
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# 可选:本地集群 kubeconfig(in-cluster 管理本集群时用)
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# - name: kubeconfig
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# mountPath: /home/opsxloki/.kube
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# readOnly: true
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readinessProbe:
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httpGet:
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path: /api/v1/health
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port: http
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initialDelaySeconds: 5
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periodSeconds: 10
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livenessProbe:
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httpGet:
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path: /api/v1/health
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port: http
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initialDelaySeconds: 30
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periodSeconds: 20
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failureThreshold: 5
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resources:
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requests:
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cpu: 200m
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memory: 256Mi
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limits:
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cpu: "1"
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memory: 1Gi
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volumes:
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- name: data
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persistentVolumeClaim:
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claimName: opsxloki-data
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# - name: kubeconfig
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# secret:
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# secretName: opsxloki-kubeconfig
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