{"id":43196,"date":"2023-04-03T13:24:51","date_gmt":"2022-12-30T19:32:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e8%af%95%e7%9d%80%e6%b7%bb%e5%8a%a0rook%e5%92%8cpostgresql%e7%9a%84%e5%87%ba%e5%8f%a3%e5%99%a8%e3%80%82\/"},"modified":"2024-04-29T21:44:08","modified_gmt":"2024-04-29T13:44:08","slug":"%e6%88%91%e8%af%95%e7%9d%80%e6%b7%bb%e5%8a%a0rook%e5%92%8cpostgresql%e7%9a%84%e5%87%ba%e5%8f%a3%e5%99%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e8%af%95%e7%9d%80%e6%b7%bb%e5%8a%a0rook%e5%92%8cpostgresql%e7%9a%84%e5%87%ba%e5%8f%a3%e5%99%a8%e3%80%82\/","title":{"rendered":"\u6211\u8bd5\u7740\u6dfb\u52a0Rook\u548cPostgreSQL\u7684\u51fa\u53e3\u5668"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f2018\u5e74PostgreSQL on Kubernetes Advent Calendar\u7684\u7b2c19\u5929\u3002<br \/>\n\u6628\u5929\u6211\u4eec\u5c1d\u8bd5\u5728PostgreSQL on Kubernetes\u73af\u5883\u4e2d\u6dfb\u52a0\u4e86Prometheus\u548cGrafana\u6765\u8fdb\u884c\u76d1\u63a7\u3002<\/p>\n<p>\u8bda\u5b9e\u5730\u8bf4\uff0c\u8fd9\u6b21\u786e\u5b9e\u76f8\u5f53\u8270\u96be\u3002\u5728Prometheus\u7684\u8de8\u547d\u540d\u7a7a\u95f4\u76d1\u63a7\u65b9\u9762\uff0c\u6709\u5f88\u591a\u6848\u4f8b\uff0c\u4f46\u5b9e\u9645\u5c1d\u8bd5\u65f6\u5f80\u5f80\u4e0d\u5bb9\u6613\u6210\u529f\u3002<\/p>\n<h1>\u7b80\u800c\u8a00\u4e4b<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4eca\u65e5\u306f\u5931\u6557\u4e8b\u4f8b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Prometheus\u306eNamespace\u3067\u306f\u307e\u3063\u3066\u307e\u3059<\/ul>\n<h1>\u589e\u52a0\u5bf9Rook\/Ceph\u7684\u76d1\u63a7<\/h1>\n<p>Rook\u5728\u610f\u8bc6\u5230Ceph\u7684\u76d1\u63a7\uff0c\u5e76\u5728GitHub\u4e0a\u51c6\u5907\u4e86\u4e00\u4e2a\u540d\u4e3a&#8221;monitoring&#8221;\u7684\u76ee\u5f55\u3002<\/p>\n<p>\u57fa\u672c\u4e0a\uff0c\u53ea\u9700\u8981\u5728monitoring\u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2aPrometheus\u64cd\u4f5c\u5458\u5e76\u542f\u52a8Prometheus\u672c\u8eab\u5373\u53ef\uff0c\u4f46\u6211\u4eec\u5df2\u7ecf\u5728\uff0318\u4e2d\u5b8c\u6210\u4e86\u8fd9\u4e00\u6b65\u9aa4\u3002\u56e0\u6b64\uff0c\u672c\u6b21\u6211\u4eec\u5c06\u4f7f\u7528\u73b0\u6709\u7684Prometheus\u64cd\u4f5c\u5458\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rook\/Ceph\u306eServiceMonitor\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">PostgreSQL\u306eexporter\u3068\u305d\u308c\u3092\u53d6\u308a\u8fbc\u3080ServiceMonitor\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/ul>\n<p>\u6211\u6253\u7b97\u8bd5\u8bd5\uff08\u505a\uff09 \u3002<\/p>\n<h2>\u6dfb\u52a0ServiceMonitor<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f4d\u4e8erook\u7684gituhub\u4e0a\u7684ServiceMonitor\uff0c\u8bf7\u5c06\u5176\u6539\u5199\u4e3a\u4e4b\u524d\u6784\u5efa\u7684Prometheus\u7248\u672c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662fRook\u7684gituhub\u4e2d\u7684ServiceMonitor\u6587\u4ef6\uff0c\u73b0\u5728\u9700\u8981\u5c06\u5176\u66f4\u6539\u4e3a\u4e4b\u524d\u4e3aPrometheus\u6784\u5efa\u7684\u7248\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">monitoring.coreos.com\/v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ServiceMonitor<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">pg-rook-ceph-mgr<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">monitoring<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">prometheus<\/span><span class=\"pi\">:<\/span> <span class=\"s\">pg<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">rook-ceph-mgr<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">namespaceSelector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchNames<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">rook-ceph<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">rook-ceph-mgr<\/span>\r\n      <span class=\"na\">rook_cluster<\/span><span class=\"pi\">:<\/span> <span class=\"s\">rook-ceph<\/span>\r\n  <span class=\"na\">endpoints<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"s\">http-metrics<\/span>\r\n    <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/metrics<\/span>\r\n    <span class=\"na\">interval<\/span><span class=\"pi\">:<\/span> <span class=\"s\">5s<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u7684\u610f\u601d\u662f\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ServiceMonitor\u306epg-rook-ceph-mgr\u306fPrometheus\u3068\u540c\u3058Namespace:monitoring\u3068\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">spec\u4ee5\u4e0b\u306frook-ceph-mgr\u306e\u30dd\u30c3\u30c9\u914d\u7f6e\u3068\u3042\u308f\u305b\u3066\u3001Namespace:rook-ceph\u3068\u3059\u308b\u3002<\/ul>\n<h2>Prometheus\u4e0e\u5176\u4ed6\u7cfb\u7edf\u65e0\u6cd5\u5b8c\u7f8e\u534f\u540c\u3002<\/h2>\n<p>\u7136\u800c\uff0c\u5982\u679c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u901a\u8fc7Prometheus\u7684\u7528\u6237\u754c\u9762\u8fdb\u884c\u786e\u8ba4\uff0c\u7ed3\u679c\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Service Discovery\u3067pg-rook-ceph-mgr\u306f1\u3064\u898b\u3064\u304b\u3063\u3066\u3044\u308b\u72b6\u614b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Targets\u3067\u898b\u308b\u3068rook-ceph-mgr\u306fstate:DOWN\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/ul>\n<p>Endpoint \u7684\u5730\u5740\u662f http:\/\/:9283\/metrics\uff0c\u770b\u8d77\u6765\u6ca1\u6709\u95ee\u9898\uff0c\u800c\u4e14\u4f7f\u7528curl\u547d\u4ee4\u4e5f\u53ef\u4ee5\u83b7\u53d6\u5230metrics\u6570\u636e\u3002<\/p>\n<p>\u5728\u8fdb\u884c\u4e86\u5404\u79cd\u8c03\u67e5\u4e4b\u540e\uff0c\u6211\u53d1\u73b0\u5728Prometheus\u7684Github\u4e0a\u6709\u8bb8\u591a\u4e0eNamespace\u6709\u5173\u7684\u95ee\u9898\uff0c\u5e76\u4e14\u8fd8\u6709\u8fd9\u6837\u7684\u6587\u6863\u3002\u4f46\u662f\uff0c\u6211\u76ee\u524d\u8fd8\u4e0d\u6e05\u695a\u5982\u4f55\u5177\u4f53\u6dfb\u52a0Namespace\u3002<\/p>\n<h2>\u53ea\u80fd\u65e0\u5948\u5730\u6539\u53d8Prometheus\u4e00\u4fa7\u7684\u547d\u540d\u7a7a\u95f4\u3002<\/h2>\n<p>\u6b63\u5982\u8fd9\u7bc7\u6587\u7ae0\u6240\u63d0\u5230\u7684\uff0c\u6211\u89c9\u5f97\u4f7f\u7528ClusterRole\u53ef\u80fd\u80fd\u89e3\u51b3\u95ee\u9898\uff0c\u6240\u4ee5\u5c1d\u8bd5\u4e86\u5f88\u591a\u65b9\u6cd5\uff0c\u4f46\u662f\u6548\u679c\u4e0d\u592a\u597d\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u95ee\u9898\uff0c\u6211\u5c1d\u8bd5\u66f4\u6539\u4e86\u547d\u540d\u7a7a\u95f4\u3002<br \/>\n\u9996\u5148\uff0c\u6211\u4f1a\u4f7f\u7528helm delete &#8211;purge\u547d\u4ee4\u5220\u9664\u6628\u5929\u5b89\u88c5\u7684\u73af\u5883\u3002<\/p>\n<p>\u7136\u540e\uff0c\u66f4\u6539Namespace\u5e76\u91cd\u65b0\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> helm <span class=\"nb\">install <\/span>coreos\/prometheus-operator <span class=\"nt\">--name<\/span> pg-op <span class=\"nt\">--namespace<\/span> rook-ceph <span class=\"nt\">-f<\/span> prometheus-operator-value.yaml\r\n\r\n<span class=\"gp\">$<\/span> helm <span class=\"nb\">install <\/span>coreos\/kube-prometheus <span class=\"nt\">--name<\/span> pg <span class=\"nt\">--namespace<\/span> rook-ceph <span class=\"nt\">-f<\/span> kube-prometheus-value.yaml\r\n\r\n<span class=\"gp\">#<\/span> \u7d50\u679c\u306f\u3053\u3046\u306a\u308b\r\n<span class=\"gp\">$<\/span> helm <span class=\"nb\">ls<\/span>\r\n<span class=\"go\">NAME            REVISION        UPDATED                         STATUS          CHART                                   APP VERSION     NAMESPACE\r\npg              1               Fri Dec 21 14:36:23 2018        DEPLOYED        kube-prometheus-0.0.105                                 rook-ceph\r\npg-op           1               Fri Dec 21 14:33:39 2018        DEPLOYED        prometheus-operator-0.0.29              0.20.0          rook-ceph\r\n<\/span><\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cPrometheus\u7684\u76ee\u6807\u4e5f\u53d8\u4e3aState:UP\u3002\u770b\u8d77\u6765\u8fd9\u662f\u4e00\u4e2a\u4e0e\u547d\u540d\u7a7a\u95f4\u6709\u5173\u7684\u786e\u5b9a\u95ee\u9898\u3002<\/p>\n<h2>\u5bfc\u5165Rook\/Ceph\u7684Grafana\u4eea\u8868\u677f<\/h2>\n<p>\u4e00\u65e6\u5230\u8fd9\u4e00\u6b65\uff0cGrafana\u7684\u8bbe\u7f6e\u5c31\u5f88\u7b80\u5355\u4e86\u3002<br \/>\n\u6211\u4eec\u5c06\u5728\u6628\u5929\u521b\u5efa\u7684Grafana\u4e2d\u6dfb\u52a0Ceph\u7684\u4eea\u8868\u677f\u3002\u8bf7\u53c2\u8003\u6b64\u5904\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d514237434c4406cc95d3\/27-0.png\" alt=\"image.png\" \/><\/div>\n<h1>\u6dfb\u52a0\u5bf9PostgreSQL\u7684\u76d1\u63a7<\/h1>\n<p>PostgreSQL\u4e5f\u6709\u9002\u7528\u4e8ePrometheus\u7684exporter\u3002\u4f60\u53ef\u4ee5\u8bd5\u8bd5\u8fd9\u4e2ahelm chart\u6765\u4f7f\u7528\u5b83\u3002<\/p>\n<h2>\u5b89\u88c5 Prometheus-Postgres-Exporter\u3002<\/h2>\n<p>\u7528 Helm \u8fdb\u884c\u5b89\u88c5\u4e5f\u9002\u7528\u4e8e\u8fd9\u91cc\u3002<br \/>\n\u540c\u6837\uff0c\u867d\u7136\u4e5f\u5b58\u5728\u547d\u540d\u7a7a\u95f4\u7684\u95ee\u9898\uff0c\u4f46\u6682\u65f6\u5c06\u5176\u5b89\u88c5\u5728\u5df2\u7ecf\u6784\u5efa\u4e86 PostgreSQL \u7684\u9ed8\u8ba4\u76ee\u6807\u4f4d\u7f6e\u4e0a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span>helm <span class=\"nb\">install<\/span> <span class=\"nt\">--name<\/span> pg-postgres <span class=\"nt\">--set<\/span> serviceAccount.name<span class=\"o\">=<\/span>postgres  stable\/prometheus-postgres-exporter <span class=\"nt\">-f<\/span> pg-rook-sf-exporter-value.yaml\r\n\r\n<span class=\"gp\">$<\/span> kubectl apply <span class=\"nt\">-f<\/span> pg-rook-sf-exporter-monitor.yaml\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u8fd9\u91cc\u4e5f\u9047\u5230\u4e86Rook\/Ceph\u76f8\u540c\u7684\u95ee\u9898\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Service Discovery\u3067pg-postgres-exporter\u306f1\u3064\u898b\u3064\u304b\u3063\u3066\u3044\u308b\u72b6\u614b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Targets\u3067\u898b\u308b\u3068pg-postgres-prometheus-postgres-exporter\u306fstate:DOWN\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/ul>\n<p>\u5728\u4e4b\u524d\u7684Prometheus\u6587\u4ef6\u4e2d\uff0c<\/p>\n<blockquote><p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPrometheus\u670d\u52a1\u5668\u4ec5\u9650\u4e8e\u4e09\u4e2a\u5fc5\u9700\u7684\u547d\u540d\u7a7a\u95f4\uff1adefault\u3001kube-system\u548c\u901a\u8fc7$._config.namespace\u8fdb\u884c\u5806\u6808\u914d\u7f6e\u8fd0\u884c\u7684\u547d\u540d\u7a7a\u95f4\u3002<\/p><\/blockquote>\n<p>\u56e0\u4e3a\u5199\u7740\u8fd9\u6837\uff0c\u6240\u4ee5\u6211\u4ee5\u4e3a\u9ed8\u8ba4\u503c\u6ca1\u95ee\u9898\uff0c\u4f46\u7ed3\u679c\u4e0d\u884c\u3002\u5982\u679c\u80fd\u7a81\u7834\u8fd9\u4e00\u70b9\uff0c\u6211\u89c9\u5f97Grafana\u4f1a\u5f88\u7b80\u5355\uff0c\u4f46\u4eca\u5929\u6211\u653e\u5f03\u4e86\u3002<\/p>\n<h1>\u6982\u62ec<\/h1>\n<p>\u9057\u61be\u7684\u662f\uff0cPrometheus\u7684\u76d1\u63a7\u4e0d\u80fd\u6309\u7167\u9884\u671f\u7684\u65b9\u5f0f\u8fdb\u884c\u3002\u5b9e\u9645\u4e0a\uff0c\u6211\u672c\u6253\u7b97\u5c1d\u8bd5\u4f7f\u7528Prometheus+Grafana\u4ee5\u53caElasticSearch+Kibana\u8fd9\u4e24\u79cd\u4e0eKubernetes\u5e38\u5e38\u642d\u914d\u4f7f\u7528\u7684\u5de5\u5177\u7ec4\u5408\uff0c\u4f46\u662f\u5e76\u4e0d\u90a3\u4e48\u5bb9\u6613\u5462\u3002<\/p>\n<p>\u6211\u60f3\u518d\u591a\u5b66\u4e00\u4e9b\uff0c\u7136\u540e\u518d\u8fdb\u884c\u6218\u6597\u3002\u8bf7\u591a\u5173\u7167\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f2018\u5e74PostgreSQL on Kubernetes Advent Calendar\u7684\u7b2c19\u5929 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43196","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6211\u8bd5\u7740\u6dfb\u52a0Rook\u548cPostgreSQL\u7684\u51fa\u53e3\u5668 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u8bd5\u7740\u6dfb\u52a0rook\u548cpostgresql\u7684\u51fa\u53e3\u5668\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta 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