{"id":43483,"date":"2023-09-15T01:03:41","date_gmt":"2023-02-27T06:31:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8kubernetes%e7%8e%af%e5%a2%83%e4%b8%ad%ef%bc%8c%e4%bb%8emysql-exporter%e8%8e%b7%e5%8f%96%e6%8c%87%e6%a0%87%e6%95%b0%e6%8d%ae%e3%80%82\/"},"modified":"2024-05-03T23:47:09","modified_gmt":"2024-05-03T15:47:09","slug":"%e5%9c%a8kubernetes%e7%8e%af%e5%a2%83%e4%b8%ad%ef%bc%8c%e4%bb%8emysql-exporter%e8%8e%b7%e5%8f%96%e6%8c%87%e6%a0%87%e6%95%b0%e6%8d%ae%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8kubernetes%e7%8e%af%e5%a2%83%e4%b8%ad%ef%bc%8c%e4%bb%8emysql-exporter%e8%8e%b7%e5%8f%96%e6%8c%87%e6%a0%87%e6%95%b0%e6%8d%ae%e3%80%82\/","title":{"rendered":"\u5728Kubernetes\u73af\u5883\u4e2d\uff0c\u4eceMySQL Exporter\u83b7\u53d6\u6307\u6807\u6570\u636e"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u5728Prometheus\u5b98\u65b9\u7f51\u7ad9\u4e0a\uff0c\u6709\u8bb8\u591aExporter\u53ef\u4f9b\u9009\u62e9\uff0c\u5176\u4e2d\u5305\u62ecMySQL\u7528\u7684Exporter\u3002\u672c\u6587\u5c06\u8bb0\u5f55\u5728Kubernetes\u73af\u5883\uff08\u4e5f\u5c31\u662fICP:IBM Cloud Private\u73af\u5883\uff09\u4e2d\u90e8\u7f72MySQL Exporter\u5e76\u83b7\u53d6\u6307\u6807\u7684\u6848\u4f8b\u3002\u867d\u7136\u6709\u5173\u5728Docker\u5bb9\u5668\u4e2d\u6216\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u90e8\u7f72Exporter\u7684\u6848\u4f8b\uff0c\u4f46\u662f\u5728k8s\u73af\u5883\u4e2d\u5b9e\u73b0\uff08\u6bd4\u8f83\u660e\u786e\u7684\u6848\u4f8b\uff09\u5c1a\u672a\u6709\u6240\u6d89\u53ca\uff0c\u56e0\u6b64\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8be5\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n<h1>\u6784\u6210\u56fe<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d531b37434c4406cceb72\/3-0.png\" alt=\"MySQLExporterConfig.png\" \/><\/div>\n<p>\u203b Prometheus\u76f4\u63a5\u8bbf\u95ee\u7684\u4e0d\u662fMySQL\u7684Pod\uff0c\u800c\u662fExporter\u7684Pod\u3002\uff08\u8d77\u521d\u8bef\u89e3\u4e86&#8230;\uff09<\/p>\n<h1>\u7ec4\u6210<\/h1>\n<p>\u666e\u7f57\u7c73\u4fee\u65af\uff1av2.3.1\uff08\u4f7f\u7528IBM\u7684\u56fe\u8868\uff1a\u94fe\u63a5\uff09<br \/>\nMySQL\uff1a\u4f7f\u7528\u6700\u65b0\u7684Docker\u955c\u50cf<br \/>\nICP\uff1av2.1.0.3<\/p>\n<h1>\u5efa\u7acb\u8bbe\u7f6e<\/h1>\n<p>\u8bf7\u521b\u5efa\u4ee5\u4e0b\u6e05\u5355\u6587\u4ef6\u3002<br \/>\n\u7531\u4e8e\u6211\u4eec\u6b63\u5728\u4f7f\u7528ICP\u73af\u5883\uff0c\u56e0\u6b64Docker\u955c\u50cf\u662f\u4f7f\u7528ICP\u7684\u79c1\u6709\u6ce8\u518c\u8868\u5b58\u50a8\u7684\uff08\u8bf7\u6839\u636e\u9700\u8981\u8fdb\u884c\u9002\u5f53\u8c03\u6574\uff09\u3002<\/p>\n<p>\u672c\u6b21\u7684MySQL\u90e8\u7f72\uff0c\u6211\u4eec\u6ca1\u6709\u8fdb\u884c\u4efb\u4f55\u7279\u6b8a\u7684\u914d\u7f6e\uff0c\u53ea\u662f\u4e3a\u4e86\u9a8c\u8bc1Prometheus\u7684Exporter\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">apps\/v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Deployment<\/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\">mysql<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">default<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">replicas<\/span><span class=\"pi\">:<\/span> <span class=\"m\">1<\/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\">mysql<\/span>\r\n  <span class=\"na\">strategy<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Recreate<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n    <span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mycluster.icp:8500\/default\/mysql:latest<\/span>\r\n        <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MYSQL_ROOT_PASSWORD<\/span>\r\n          <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">secretKeyRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-secret<\/span>\r\n              <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">root-password<\/span>\r\n        <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">3306<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n<\/code><\/pre>\n<p>\u30fbMySQL\u7684secret\uff08\u5bc6\u7801\uff1apassword\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Secret<\/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\">mysql-secret<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">default<\/span>\r\n<span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Opaque<\/span>\r\n<span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">root-password<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cGFzc3dvcmQ=<\/span>\r\n<\/code><\/pre>\n<p>\u30fb\u9002\u7528\u4e8eMySQL\u7684\u670d\u52a1<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Service<\/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\">mysql<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">default<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">3306<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728MySQL Exporter\u7684\u90e8\u7f72\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4e24\u884c\u6ce8\u89e3\u548c\u8fde\u63a5\u4fe1\u606f\uff0cPrometheus\u5c06\u901a\u8fc7scrape\u5904\u7406\u81ea\u52a8\u83b7\u53d6\u6307\u6807\u3002<br \/>\nprometheus.io\/scrape: &#8220;true&#8221;<br \/>\nprometheus.io\/port: &#8220;9104&#8221;<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">extensions\/v1beta1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Deployment<\/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\">mysqld-exporter<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/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\">mysqld-exporter<\/span>\r\n  <span class=\"na\">replicas<\/span><span class=\"pi\">:<\/span> <span class=\"m\">1<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">annotations<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"s\">prometheus.io\/scrape<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">true\"<\/span>\r\n        <span class=\"s\">prometheus.io\/port<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">9104\"<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysqld-exporter<\/span>\r\n    <span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysqld-exporter<\/span>\r\n        <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mycluster.icp:8500\/default\/prom\/mysqld-exporter:latest<\/span>\r\n        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">DATA_SOURCE_NAME<\/span>\r\n          <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">secretKeyRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-ex-secret<\/span>\r\n              <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">password<\/span>\r\n        <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">9104<\/span>\r\n<\/code><\/pre>\n<p>\u30fb\u4e3aMySQL Exporter\u521b\u5efa\u7684\u79d8\u94a5\uff08\u5305\u62ec\u5bc6\u7801\u4e3apassword\u548c\u7aef\u53e3\u53f7\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Secret<\/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\">mysql-ex-secret<\/span>\r\n  <span class=\"na\">namespace<\/span><span class=\"pi\">:<\/span> <span class=\"s\">default<\/span>\r\n<span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Opaque<\/span>\r\n<span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">password<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cm9vdDpwYXNzd29yZEAobXlzcWw6MzMwNikv<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code># echo \"cm9vdDpwYXNzd29yZEAobXlzcWw6MzMwNikv\" | base64 -d\r\nroot:password@(mysql:3306)\/\r\n<\/code><\/pre>\n<p>\u5728\u8fdb\u884c\u7f16\u7801\u65f6\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06&#8221;root:password@(mysql:3306)\/&#8221;\u8f6c\u6362\u4e3abase64\uff1a# echo -n &#8220;root:password@(mysql:3306)\/&#8221; | base64\u3002\u8bf7\u786e\u4fdd\u4e0d\u8981\u5fd8\u8bb0-n\u9009\u9879\uff0c\u5426\u5219\u4f1a\u52a0\u5165\u6362\u884c\u7b26\u3002<\/p>\n<p>\u53ea\u8981\u5b8c\u6210\u5269\u4e0b\u7684\u90e8\u5206\uff0c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">#<\/span> kubectl create <span class=\"nt\">-f<\/span> mysql-secret.yaml\r\n<span class=\"gp\">#<\/span> kubectl create <span class=\"nt\">-f<\/span> mysql-deploymant.yaml\r\n<span class=\"gp\">#<\/span> kubectl create <span class=\"nt\">-f<\/span> mysql-service.yaml\r\n<span class=\"gp\">#<\/span> kubectl create <span class=\"nt\">-f<\/span> mysql-ex-secret.yaml\r\n<span class=\"gp\">#<\/span> kubectl create <span class=\"nt\">-f<\/span> mysql-ex-deployment_a.yaml\r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u5236\u6210\u7684\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">#<\/span> kubectl get pod\r\n<span class=\"go\">NAME                                 READY     STATUS    RESTARTS   AGE\r\nmysql-7cc9b5d75d-4qgtg               1\/1       Running   0          10d\r\nmysqld-exporter-7d875c99c0-p8rsx     1\/1       Running   0          10d\r\n<\/span><span class=\"gp\">#<\/span>\r\n<span class=\"gp\">#<\/span> kubectl get svc\r\n<span class=\"go\">NAME           TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)           AGE\r\n<\/span><span class=\"gp\">mysql          ClusterIP   10.0.0.6     &lt;none&gt;<\/span>        3306\/TCP          10d\r\n<span class=\"gp\">#<\/span>\r\n<span class=\"gp\">#<\/span> kubectl get secret\r\n<span class=\"go\">NAME                  TYPE                                  DATA      AGE\r\nmysql-ex-secret       Opaque                                1         10d\r\nmysql-secret          Opaque                                1         10d\r\n<\/span><\/code><\/pre>\n<p>\u597d\u7684\u3002<\/p>\n<h1>\u5728\u666e\u7f57\u7c73\u4fee\u65af\u4e2d\u4f1a\u663e\u73b0\u5982\u4f55\uff1f<\/h1>\n<p>\u9996\u5148\u662fCLI\u3002<\/p>\n<p>\u51fa\u53e3\u5546\u7684IP\u786e\u8ba4\u3002\u2192 IP\uff1a10.1.123.176<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">#<\/span> kubectl describe po mysqld-exporter-7d875c99c0-p8rsx\r\n<span class=\"go\">Name:           mysqld-exporter-7d875c99c0-p8rsx\r\nNamespace:      default\r\n\uff08\u4e2d\u7565\uff09\r\nIP:             10.1.123.176\r\n\uff08\u5f8c\u7565\uff09\r\n<\/span><\/code><\/pre>\n<p>\u4f7f\u7528Curl\u8bbf\u95ee\u5e76\u786e\u8ba4\u662f\u5426\u83b7\u53d6\u5230\u4e86\u540d\u4e3amysql\u7684\u5ea6\u91cf\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">#<\/span> curl http:\/\/10.1.123.176:9104\/metrics\r\n<span class=\"gp\">#<\/span> HELP go_gc_duration_seconds A summary of the GC invocation durations.\r\n<span class=\"gp\">#<\/span> TYPE go_gc_duration_seconds summary\r\n<span class=\"go\">\uff08\u4e2d\u7565\uff09\r\n HELP mysql_exporter_collector_duration_seconds Collector time duration.\r\n<\/span><span class=\"gp\">#<\/span> TYPE mysql_exporter_collector_duration_seconds gauge\r\n<span class=\"go\">mysql_exporter_collector_duration_seconds{collector=\"collect.global_status\"} 0.004177075\r\nmysql_exporter_collector_duration_seconds{collector=\"collect.global_variables\"} 0.010698232\r\nmysql_exporter_collector_duration_seconds{collector=\"collect.info_schema.tables\"} 0.043587385\r\nmysql_exporter_collector_duration_seconds{collector=\"collect.slave_status\"} 0.04456449\r\nmysql_exporter_collector_duration_seconds{collector=\"connection\"} 0.001885118\r\n<\/span><span class=\"gp\">#<\/span> HELP mysql_exporter_last_scrape_error Whether the last scrape of metrics from MySQL resulted <span class=\"k\">in <\/span>an error <span class=\"o\">(<\/span>1 <span class=\"k\">for <\/span>error, 0 <span class=\"k\">for <\/span>success<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\n<span class=\"go\">\uff08\u5f8c\u7565\uff09\r\n<\/span><\/code><\/pre>\n<p>\u987a\u5229\u8fbe\u6210\uff01<\/p>\n<p>\uff08\u53c2\u8003\uff09\u6240\u83b7\u5f97\u7684\u6307\u6807\u67092379\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code># curl http:\/\/10.1.123.176:9104\/metrics | wc -l\r\n  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\r\n                                 Dload  Upload   Total   Spent    Left  Speed\r\n100  177k  100  177k    0     0  3238k      0 --:--:-- --:--:-- --:--:-- 3220k\r\n2379\r\n<\/code><\/pre>\n<p>\u5373\u4f7f\u662fGUI\uff0c\u662f\u7684\uff0c\u53ef\u4ee5\u83b7\u53d6\uff01<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d531b37434c4406cceb72\/36-0.png\" alt=\"MySQLExporterGetMetrics.png\" \/><\/div>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u6211\u5bf9\u4e8eExporter\u7684\u90e8\u7f72yaml\u6587\u4ef6\u7684\u7f16\u5199\u65b9\u5f0f\u611f\u5230\u4e0d\u6e05\u695a\uff0c\u4f46\u662f\u53ea\u9700\u5728\u6ce8\u91ca\u4e2d\u586b\u5199\u5fc5\u8981\u7684\u9879\u4ee5\u53ca\u5728Env\u4e2d\u8bb0\u5f55MySQL\u7684\u8fde\u63a5\u4fe1\u606f\u5373\u53ef\u3002<\/p>\n<h1>\u53c2\u8003<\/h1>\n<p>Kubernetes\u5f15\u64ce\u793a\u4f8b<br \/>\n\u5bfc\u51fa\u5668\u548c\u96c6\u6210<br \/>\nmysqld\u5bfc\u51fa\u5668<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 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