{"id":62251,"date":"2024-10-13T17:26:21","date_gmt":"2024-10-13T09:26:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62251\/"},"modified":"2024-10-13T17:26:21","modified_gmt":"2024-10-13T09:26:21","slug":"kubernetes%e4%b8%adpostgresql%e7%9a%84%e6%8e%a8%e8%96%a6%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62251\/","title":{"rendered":"Kubernetes\u4e2dPostgreSQL\u7684\u63a8\u85a6\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"kubernetes%e4%b8%adpostgresql%e7%9a%84%e6%8e%a8%e8%96%a6%e6%96%b9%e6%b3%95-FZVWhcDMsk\">Kubernetes\u4e2dPostgreSQL\u7684\u63a8\u85a6\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96f2\u8a08\u7b97\u74b0\u5883\u4e2d\uff0cKubernetes\u5df2\u6210\u70ba\u5bb9\u5668\u7de8\u6392\u7684\u6a19\u6e96\uff0c\u800cPostgreSQL\u5247\u662f\u6700\u53d7\u6b61\u8fce\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e4b\u4e00\u3002\u5c07\u9019\u5169\u8005\u7d50\u5408\u8d77\u4f86\uff0c\u53ef\u4ee5\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u3001\u53ef\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728Kubernetes\u4e2d\u90e8\u7f72PostgreSQL\u7684\u6700\u4f73\u5be6\u8e10\u548c\u63a8\u85a6\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87kubernetes%e9%83%a8%e7%bd%b2postgresql-FZVWhcDMsk\">\u70ba\u4ec0\u9ebc\u9078\u64c7Kubernetes\u90e8\u7f72PostgreSQL<\/h2>\n<p>Kubernetes\u63d0\u4f9b\u4e86\u81ea\u52d5\u5316\u7684\u5bb9\u5668\u7ba1\u7406\u529f\u80fd\uff0c\u80fd\u5920\u7c21\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u90e8\u7f72\u548c\u64f4\u5c55\u3002\u5c0d\u65bcPostgreSQL\u4f86\u8aaa\uff0c\u9019\u610f\u5473\u8457\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7684\u526f\u672c\u3001\u8ca0\u8f09\u5747\u8861\u548c\u6545\u969c\u6062\u5fa9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4e3b\u8981\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>Kubernetes\u53ef\u4ee5\u81ea\u52d5\u6aa2\u6e2c\u548c\u66ff\u63db\u6545\u969c\u7684Pod\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6301\u7e8c\u904b\u884c\u3002<\/li>\n<li><strong>\u64f4\u5c55\u6027\uff1a<\/strong>\u6839\u64da\u9700\u6c42\u52d5\u614b\u64f4\u5c55\u6578\u64da\u5eab\u5be6\u4f8b\uff0c\u652f\u6301\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>Kubernetes\u80fd\u5920\u6709\u6548\u5730\u5206\u914d\u548c\u7ba1\u7406\u8cc7\u6e90\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u6700\u4f73\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%83%a8%e7%bd%b2postgresql%e7%9a%84%e6%ad%a5%e9%a9%9f-FZVWhcDMsk\">\u90e8\u7f72PostgreSQL\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e5%89%b5%e5%bb%bapersistent-volume-FZVWhcDMsk\">1. \u5275\u5efaPersistent Volume<\/h3>\n<p>\u5728Kubernetes\u4e2d\uff0c\u6578\u64da\u6301\u4e45\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9996\u5148\uff0c\u9700\u8981\u5275\u5efa\u4e00\u500bPersistent Volume\uff08PV\uff09\u4f86\u5b58\u5132PostgreSQL\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n<pre><code>apiVersion: v1\nkind: PersistentVolume\nmetadata:\n  name: postgres-pv\nspec:\n  capacity:\n    storage: 10Gi\n  accessModes:\n    - ReadWriteOnce\n  hostPath:\n    path: \/data\/postgres\n<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%bapersistent-volume-claim-FZVWhcDMsk\">2. \u5275\u5efaPersistent Volume Claim<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u5275\u5efa\u4e00\u500bPersistent Volume Claim\uff08PVC\uff09\u4f86\u8acb\u6c42\u5b58\u5132\u8cc7\u6e90\uff1a<\/p>\n<pre><code>apiVersion: v1\nkind: PersistentVolumeClaim\nmetadata:\n  name: postgres-pvc\nspec:\n  accessModes:\n    - ReadWriteOnce\n  resources:\n    requests:\n      storage: 10Gi\n<\/code><\/pre>\n<h3 id=\"3-%e9%83%a8%e7%bd%b2postgresql-FZVWhcDMsk\">3. \u90e8\u7f72PostgreSQL<\/h3>\n<p>\u73fe\u5728\u53ef\u4ee5\u5275\u5efa\u4e00\u500bDeployment\u4f86\u90e8\u7f72PostgreSQL\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684Deployment\u914d\u7f6e\uff1a<\/p>\n<pre><code>apiVersion: apps\/v1\nkind: Deployment\nmetadata:\n  name: postgres-deployment\nspec:\n  replicas: 1\n  selector:\n    matchLabels:\n      app: postgres\n  template:\n    metadata:\n      labels:\n        app: postgres\n    spec:\n      containers:\n      - name: postgres\n        image: postgres:latest\n        ports:\n        - containerPort: 5432\n        env:\n        - name: POSTGRES_DB\n          value: mydatabase\n        - name: POSTGRES_USER\n          value: myuser\n        - name: POSTGRES_PASSWORD\n          value: mypassword\n        volumeMounts:\n        - mountPath: \/var\/lib\/postgresql\/data\n          name: postgres-storage\n      volumes:\n      - name: postgres-storage\n        persistentVolumeClaim:\n          claimName: postgres-pvc\n<\/code><\/pre>\n<h3 id=\"4-%e5%89%b5%e5%bb%baservice-FZVWhcDMsk\">4. \u5275\u5efaService<\/h3>\n<p>\u6700\u5f8c\uff0c\u5275\u5efa\u4e00\u500bService\u4f86\u66b4\u9732PostgreSQL\uff1a<\/p>\n<pre><code>apiVersion: v1\nkind: Service\nmetadata:\n  name: postgres-service\nspec:\n  type: ClusterIP\n  ports:\n  - port: 5432\n    targetPort: 5432\n  selector:\n    app: postgres\n<\/code><\/pre>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%82%99%e4%bb%bd-FZVWhcDMsk\">\u76e3\u63a7\u548c\u5099\u4efd<\/h2>\n<p>\u5728Kubernetes\u4e2d\u904b\u884cPostgreSQL\u5f8c\uff0c\u76e3\u63a7\u548c\u5099\u4efd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u53ef\u4ee5\u4f7f\u7528Prometheus\u548cGrafana\u4f86\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u4e26\u4f7f\u7528\u5de5\u5177\u5982pg_dump\u9032\u884c\u5b9a\u671f\u5099\u4efd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-FZVWhcDMsk\">\u7d50\u8ad6<\/h2>\n<p>\u5728Kubernetes\u4e2d\u90e8\u7f72PostgreSQL\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\uff0c\u9084\u80fd\u7c21\u5316\u7ba1\u7406\u6d41\u7a0b\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5728Kubernetes\u74b0\u5883\u4e2d\u904b\u884cPostgreSQL\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Kubernetes\u4e2d\u90e8\u7f72PostgreSQL\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u53ef\u64f4\u5c55\u6027\uff0c\u78ba\u4fdd\u9ad8\u53ef\u7528\u6027\u8207\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-62251","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=62251"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62251\/revisions"}],"predecessor-version":[{"id":62252,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62251\/revisions\/62252"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}