jenkins
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+17
-12
@@ -203,10 +203,8 @@ 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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# 单节点 hostPath 不能让新旧 backend Pod 并存,否则会同时操作同一份配置和上传目录。
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type: Recreate
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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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@@ -224,12 +222,21 @@ spec:
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- name: wait-for-mysql
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image: ${KRA_MYSQL_WAIT_IMAGE}
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imagePullPolicy: IfNotPresent
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env:
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- name: MYSQL_ROOT_PASSWORD
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valueFrom:
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secretKeyRef:
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name: ${KRA_APP}-runtime
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key: mysql-root-password
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optional: true
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command: ["sh", "-c"]
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# 用字面量块(|)而非折叠标量(>-):嵌套缩进会让折叠标量保留换行,
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# 把一条命令拆成多行导致 "command not found"。
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args:
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- >-
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- |
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if [ "${KRA_DEPLOY_MYSQL}" = "true" ]; then
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until mysqladmin ping -h "${KRA_APP}-mysql" -P 3306
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--connect-timeout=2 --silent; do sleep 2; done;
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test -n "$MYSQL_ROOT_PASSWORD" || { echo "MYSQL_ROOT_PASSWORD is required when bundled MySQL is enabled" >&2; exit 1; }
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until mysqladmin ping -h "${KRA_APP}-mysql" -P 3306 -uroot -p"$MYSQL_ROOT_PASSWORD" --connect-timeout=2 --silent; do sleep 2; done;
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fi
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# 这里只等待 MySQL 服务可达,不要求应用数据库已经初始化;首次部署
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# 仍需进入 bootstrap 模式完成 /init/initdb 向导。
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@@ -241,7 +248,7 @@ spec:
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runAsGroup: 0
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command: ["sh", "-c"]
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args:
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- >-
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- |
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mkdir -p /data/conf /app/uploads;
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if [ ! -f /data/conf/config.yaml ]; then
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cp /bootstrap/config.yaml /data/conf/config.yaml;
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@@ -380,10 +387,8 @@ 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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# 单节点部署只保留一个前端 Pod,避免更新期间短暂扩出第二个 Pod。
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type: Recreate
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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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