jenkins
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Yvan
@@ -0,0 +1,352 @@
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# Template variables (rendered by Jenkins `envsubst "$K8S_RENDER_VARS"`):
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# KRA_APP application name, derives every resource name
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# KRA_NAMESPACE target namespace
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# KRA_ENV development | production
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# KRA_REPLICAS replicas per deployment
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# KRA_FRONTEND_NODEPORT node port for the frontend service
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# KRA_BACKEND_NODEPORT node port for the backend debug service
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# KRA_MYSQL_IMAGE mysql server image
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# KRA_REDIS_IMAGE redis server image
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# KRA_BACKEND_IMAGE backend image built by Jenkins
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# KRA_FRONTEND_IMAGE frontend image built by Jenkins
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# BIN_NAME backend binary name inside the image
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apiVersion: v1
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kind: Namespace
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metadata:
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name: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/part-of: ${KRA_APP}
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app.kubernetes.io/managed-by: jenkins
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: ${KRA_APP}-mysql
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-mysql
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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serviceName: ${KRA_APP}-mysql
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-mysql
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-mysql
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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containers:
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- name: mysql
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image: ${KRA_MYSQL_IMAGE}
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imagePullPolicy: IfNotPresent
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ports:
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- name: mysql
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containerPort: 3306
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env:
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- name: MYSQL_DATABASE
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value: ${KRA_APP}
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- name: MYSQL_ROOT_PASSWORD
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valueFrom:
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secretKeyRef:
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name: ${KRA_APP}-runtime
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key: mysql-root-password
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volumeMounts:
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- name: mysql-data
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mountPath: /var/lib/mysql
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readinessProbe:
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exec:
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command: ["sh", "-c", "mysqladmin ping -h 127.0.0.1 -uroot -p\"$MYSQL_ROOT_PASSWORD\" --silent"]
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initialDelaySeconds: 20
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 12
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livenessProbe:
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exec:
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command: ["sh", "-c", "mysqladmin ping -h 127.0.0.1 -uroot -p\"$MYSQL_ROOT_PASSWORD\" --silent"]
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initialDelaySeconds: 60
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periodSeconds: 20
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timeoutSeconds: 5
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resources:
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requests:
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cpu: 250m
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memory: 512Mi
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limits:
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cpu: 1
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memory: 2Gi
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volumes:
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- name: mysql-data
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hostPath:
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path: /var/lib/${KRA_APP}/mysql
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type: DirectoryOrCreate
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: ${KRA_APP}-redis
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namespace: ${KRA_NAMESPACE}
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spec:
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selector:
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app.kubernetes.io/name: ${KRA_APP}-redis
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ports:
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- name: redis
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port: 6379
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targetPort: redis
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ${KRA_APP}-redis
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-redis
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-redis
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-redis
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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containers:
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- name: redis
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image: ${KRA_REDIS_IMAGE}
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imagePullPolicy: IfNotPresent
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ports:
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- name: redis
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containerPort: 6379
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command: ["redis-server", "--appendonly", "yes"]
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volumeMounts:
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- name: redis-data
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mountPath: /data
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readinessProbe:
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exec:
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command: ["redis-cli", "ping"]
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initialDelaySeconds: 5
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periodSeconds: 10
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livenessProbe:
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exec:
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command: ["redis-cli", "ping"]
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initialDelaySeconds: 15
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periodSeconds: 20
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resources:
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requests:
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cpu: 50m
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memory: 64Mi
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limits:
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cpu: 250m
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memory: 512Mi
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volumes:
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- name: redis-data
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hostPath:
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path: /var/lib/${KRA_APP}/redis
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type: DirectoryOrCreate
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ${KRA_APP}-backend
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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replicas: ${KRA_REPLICAS}
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revisionHistoryLimit: 3
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 1
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maxSurge: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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# /data/conf 由部署人员预先放置 config.yaml（见 deploy/k8s/config.example.yaml），
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# 目录必须可写：初始化向导会把数据库连接写回该文件。
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imagePullSecrets:
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- name: harbor-registry
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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topologyKey: kubernetes.io/hostname
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labelSelector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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containers:
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- name: backend
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image: ${KRA_BACKEND_IMAGE}
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imagePullPolicy: Always
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command: ["./${BIN_NAME}"]
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args: ["-conf", "/data/conf"]
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ports:
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- name: http
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containerPort: 8000
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env:
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# 数据库连接不在这里注入：应用启动时未配置数据库会进入 bootstrap 模式，
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# 首页出现"前往初始化"，由 /init/initdb 建表、写入种子数据并持久化连接配置。
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# 只注入 JWT 签名密钥；Redis 地址已在下方 config.yaml 中指定。
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- name: KRA_ADMIN_JWT_SIGNING_KEY
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valueFrom:
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secretKeyRef:
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name: ${KRA_APP}-runtime
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key: jwt-signing-key
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- name: KRA_ADMIN_SYSTEM_USE_REDIS
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value: "true"
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volumeMounts:
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- name: conf
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mountPath: /data/conf
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- name: uploads
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mountPath: /app/uploads
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readinessProbe:
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httpGet:
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path: /health
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port: http
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initialDelaySeconds: 10
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periodSeconds: 10
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timeoutSeconds: 3
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failureThreshold: 6
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livenessProbe:
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httpGet:
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path: /health
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port: http
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initialDelaySeconds: 30
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periodSeconds: 20
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timeoutSeconds: 3
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failureThreshold: 3
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resources:
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requests:
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cpu: 100m
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memory: 256Mi
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limits:
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cpu: 500m
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memory: 1Gi
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volumes:
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- name: conf
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hostPath:
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path: /var/lib/${KRA_APP}/conf
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type: DirectoryOrCreate
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- name: uploads
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emptyDir: {}
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: ${KRA_APP}-backend
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-backend
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spec:
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type: ClusterIP
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selector:
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app.kubernetes.io/name: ${KRA_APP}-backend
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ports:
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- name: http
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port: 8000
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targetPort: http
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: ${KRA_APP}-backend-nodeport
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namespace: ${KRA_NAMESPACE}
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spec:
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type: NodePort
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selector:
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app.kubernetes.io/name: ${KRA_APP}-backend
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ports:
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- name: http
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port: 8000
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targetPort: http
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nodePort: ${KRA_BACKEND_NODEPORT}
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ${KRA_APP}-frontend
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namespace: ${KRA_NAMESPACE}
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labels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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replicas: ${KRA_REPLICAS}
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revisionHistoryLimit: 3
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 1
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maxSurge: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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app.kubernetes.io/part-of: ${KRA_APP}
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spec:
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imagePullSecrets:
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- name: harbor-registry
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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topologyKey: kubernetes.io/hostname
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labelSelector:
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matchLabels:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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containers:
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- name: frontend
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image: ${KRA_FRONTEND_IMAGE}
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imagePullPolicy: Always
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ports:
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- name: http
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containerPort: 80
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readinessProbe:
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httpGet:
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path: /
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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: /
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port: http
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initialDelaySeconds: 15
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periodSeconds: 20
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resources:
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requests:
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cpu: 50m
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memory: 64Mi
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limits:
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cpu: 250m
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memory: 256Mi
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: ${KRA_APP}-frontend
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namespace: ${KRA_NAMESPACE}
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spec:
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type: NodePort
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selector:
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app.kubernetes.io/name: ${KRA_APP}-frontend
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ports:
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- name: http
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port: 80
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targetPort: http
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nodePort: ${KRA_FRONTEND_NODEPORT}
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