{"id":51253,"date":"2024-12-03T15:54:29","date_gmt":"2024-12-03T07:54:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51253\/"},"modified":"2024-12-03T15:54:29","modified_gmt":"2024-12-03T07:54:29","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8docker%e8%bf%9b%e8%a1%8c%e5%ba%94%e7%94%a8%e7%9a%84%e7%9b%91%e6%8e%a7%e5%92%8c%e6%97%a5%e5%bf%97%e7%ae%a1%e7%90%86-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51253\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5e94\u7528\u7684\u76d1\u63a7\u548c\u65e5\u5fd7\u7ba1\u7406"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5e94\u7528\u7684\u76d1\u63a7\u548c\u65e5\u5fd7\u7ba1\u7406<\/h1>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5e94\u7528\u7684\u76d1\u63a7\u548c\u65e5\u5fd7\u7ba1\u7406\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

Docker\u5df2\u7ecf\u6210\u4e3a\u4e86\u73b0\u4ee3\u5316\u5e94\u7528\u4e2d\u7684\u4e00\u9879\u5fc5\u5907\u6280\u672f\uff0c\u4f46\u662f\u4f7f\u7528Docker\u8fdb\u884c\u5e94\u7528\u76d1\u63a7\u548c\u65e5\u5fd7\u7ba1\u7406\u5374\u662f\u4e00\u9879\u6311\u6218\u3002\u968f\u7740Docker\u7f51\u7edc\u529f\u80fd\uff0c\u5982Service Discovery\u548cLoad Balancing\u7684\u4e0d\u65ad\u589e\u5f3a\uff0c\u6211\u4eec\u8d8a\u6765\u8d8a\u9700\u8981\u4e00\u4e2a\u5b8c\u6574\u3001\u7a33\u5b9a\uff0c\u4ee5\u53ca\u9ad8\u6548\u7684\u5e94\u7528\u76d1\u63a7\u7cfb\u7edf\u3002<\/p>\n

\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u7b80\u5355\u5730\u4ecb\u7ecd\u4f7f\u7528Docker\u8fdb\u884c\u5e94\u7528\u76d1\u63a7\u548c\u65e5\u5fd7\u7ba1\u7406\u7684\u540c\u65f6\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u5229\u7528Prometheus\u8fdb\u884c\u5e94\u7528\u76d1\u63a7<\/h2>\n

Prometheus\u662f\u4e00\u6b3e\u5f00\u6e90\uff0c\u57fa\u4e8ePull\u6a21\u578b\u7684\u670d\u52a1\u76d1\u6d4b\u548c\u8b66\u544a\u5de5\u5177\uff0c\u7531SoundCloud\u5f00\u53d1\u3002\u5b83\u4f7f\u7528Go\u8bed\u8a00\u7f16\u5199\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5fae\u670d\u52a1\u65b9\u6848\u548c\u4e91\u73af\u5883\u4e2d\u3002\u4f5c\u4e3a\u4e00\u6b3e\u76d1\u63a7\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5bf9Docker\u7684CPU\u3001\u5185\u5b58\u3001\u7f51\u7edc\u548c\u78c1\u76d8\u7b49\u8fdb\u884c\u76d1\u63a7\uff0c\u5e76\u4e14\u8fd8\u652f\u6301\u591a\u7ef4\u6570\u636e\u5207\u6362\u3001\u7075\u6d3b\u7684\u67e5\u8be2\u3001\u62a5\u8b66\u4ee5\u53ca\u53ef\u89c6\u5316\u7b49\u529f\u80fd\uff0c\u8ba9\u4f60\u53ef\u4ee5\u5feb\u901f\u505a\u51fa\u53cd\u5e94\uff0c\u5e76\u5feb\u901f\u505a\u51fa\u51b3\u7b56\u3002<\/p>\n

\u8fd8\u6709\u4e00\u70b9\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cPrometheus\u9700\u8981\u901a\u8fc7Pull\u65b9\u5f0f\u7684\u91c7\u6837\uff0c\u4e5f\u5c31\u662f\u8bbf\u95ee\u88ab\u76d1\u63a7\u5e94\u7528\u4e2d\u7684\/metrics\u63a5\u53e3\u83b7\u53d6\u76d1\u63a7\u6570\u636e\u3002\u6240\u4ee5\uff0c\u5728\u542f\u52a8\u88ab\u76d1\u63a7\u5e94\u7528\u955c\u50cf\u65f6\uff0c\u9700\u8981\u5148\u5c06\u53ef\u4ee5\u8bbf\u95ee\u5230Prometheus\u7684IP\u548c\u7aef\u53e3\u914d\u7f6e\u5230\/metrics\u63a5\u53e3\u4e2d\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Node.js\u5e94\u7528\u3002<\/p>\n

const express = require('express')\nconst app = express()\n\napp.get('\/', (req, res) => {\n  res.send('Hello World!')\n})\n\napp.get('\/metrics', (req, res) => {\n  res.send(`\n    # HELP api_calls_total Total API calls\n    # TYPE api_calls_total counter\n    api_calls_total 100\n  `)\n})\n\napp.listen(3000, () => {\n  console.log('Example app listening on port 3000!')\n})<\/pre>\n
\u5728\u8be5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\/metrics\u63a5\u53e3\uff0c\u8fd4\u56de\u4e86\u4e00\u4e2aapi_calls_total\u7684\u76d1\u63a7\u6307\u6807\u3002<\/p>\n
\u63a5\u7740\uff0c\u5728\u5b98\u7f51\u4e0a\u4e0b\u8f7dPrometheus\u7684Docker\u955c\u50cf\uff0c\u5e76\u521b\u5efa\u4e00\u4e2adocker-compose.yml\u6587\u4ef6\uff0c\u5e76\u4e14\u5728\u8be5\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u83b7\u53d6\u8be5Node.js\u5e94\u7528\u7684\u6570\u636e\u3002<\/p>\n
version: '3'\nservices:\n  node:\n    image: node:lts\n    command: node index.js\n    ports:\n      - 3000:3000\n\n  prometheus:\n    image: prom\/prometheus:v2.25.2\n    volumes:\n      - .\/prometheus:\/etc\/prometheus\n    command:\n      - '--config.file=\/etc\/prometheus\/prometheus.yml'\n      - '--storage.tsdb.retention.time=15d'\n    ports:\n      - 9090:9090<\/pre>\n
\u8be5docker-compose.yml\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u670d\u52a1\uff0c\u4e00\u4e2a\u662f\u8fd0\u884cNode.js\u5e94\u7528\u7684Node\u670d\u52a1\uff0c\u53e6\u4e00\u4e2a\u662f\u7528\u4e8e\u76d1\u63a7\u7684Prometheus\u670d\u52a1\u3002\u5176\u4e2d\uff0cNode\u670d\u52a1\u53d1\u5e03\u7684\u7aef\u53e3\u4e3a3000\u7aef\u53e3\uff0c\u901a\u8fc7\u7aef\u53e3\u6620\u5c04\uff0c\u53ef\u4ee5\u901a\u8fc7docker-compose.yml\u4e2d\u7684IP\u548c3000\u7aef\u53e3\u8bbf\u95ee\u5230\u8be5Node\u5e94\u7528\u7684\/metrics\u63a5\u53e3\u3002\u800cPrometheus\u5219\u53ef\u4ee5\u901a\u8fc79090\u7aef\u53e3\u8bbf\u95ee\u5bf9\u5e94\u7684\u76d1\u63a7\u6307\u6807\u6570\u636e\u3002<\/p>\n
\u6700\u540e\uff0c\u5728prometheus.yml\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u8981\u83b7\u53d6\u7684\u6570\u636e\u6765\u6e90\u3002<\/p>\n
global:\n  scrape_interval:     15s\n  evaluation_interval: 15s\n\nscrape_configs:\n  - job_name: 'node-exporter'\n    static_configs:\n    - targets: ['node:9100']\n\n  - job_name: 'node-js-app'\n    static_configs:\n    - targets: ['node:3000']<\/pre>\n
\u5728\u8be5\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u8981\u91c7\u96c6\u7684\u6240\u6709\u7684Node.js\u5e94\u7528\u7684\u6307\u6807\uff0c\u5176\u4e2dtargets\u53c2\u6570\u662fNode.js\u5e94\u7528\u7684IP\u5730\u5740\u53ca\u5176\u5bf9\u5e94\u7aef\u53e3\u53f7\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u662fnode\u548c3000\u7aef\u53e3\u3002<\/p>\n
\u6700\u540e\uff0c\u8fd0\u884cdocker-compose up\u547d\u4ee4\uff0c\u5373\u53ef\u542f\u52a8\u6574\u4e2a\u5e94\u7528\u53ca\u5176\u76d1\u63a7\u670d\u52a1\uff0c\u5e76\u5728Prometheus\u4e2d\u67e5\u770b\u8be5\u4f1a\u5458\u6307\u6807\u3002<\/p>\n
\u5229\u7528ElasticSearch\u548cLogstash\u8fdb\u884c\u65e5\u5fd7\u7ba1\u7406<\/h2>\n
\u5728Docker\u4e2d\uff0c\u5e94\u7528\u7684\u65e5\u5fd7\u6570\u636e\u5206\u5e03\u5728\u4e0d\u540c\u7684Docker\u5bb9\u5668\u4e2d\u3002\u5982\u679c\u4f60\u8981\u5728\u96c6\u4e2d\u7684\u5730\u65b9\u5bf9\u8fd9\u4e9b\u65e5\u5fd7\u8fdb\u884c\u7ba1\u7406\uff0c\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528ELK\u4e2d\u7684ElasticSearch\u548cLogstash,\u5c06\u65e5\u5fd7\u4e2d\u5fc3\u5316\u7ba1\u7406\uff0c\u4ee5\u4fbf\u66f4\u8f7b\u677e\u5730\u5b9e\u73b0\u8ba1\u7b97\u673a\u8d44\u6e90\u7684\u76d1\u63a7\u548c\u5206\u6790\u3002<\/p>\n
\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u9700\u8981\u5148\u4e0b\u8f7dLogstash\u548cElasticSearch\u7684Docker\u955c\u50cf\uff0c\u5e76\u521b\u5efa\u4e00\u4e2adocker-compose.yml\u6587\u4ef6\u3002<\/p>\n
\u5728\u8be5\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u670d\u52a1\uff0c\u5176\u4e2dbls\u662f\u7528\u6765\u6a21\u62df\u4e1a\u52a1\u65e5\u5fd7\u7684API\u670d\u52a1\uff0c\u5176\u6bcf\u6b21\u54cd\u5e94\u540e\uff0c\u5c06\u8bb0\u5f55\u4e00\u6761\u65e5\u5fd7\u5230stdout\u548c\u65e5\u5fd7\u6587\u4ef6\u4e2d\u3002logstash\u670d\u52a1\u662f\u7531Logstash\u5b98\u65b9\u63d0\u4f9b\u7684Docker\u955c\u50cf\u6784\u5efa\uff0c\u7528\u4e8e\u6536\u96c6\u3001\u8fc7\u6ee4\u548c\u4f20\u8f93\u65e5\u5fd7\u3002ElasticSearch\u670d\u52a1\u7528\u4e8e\u5b58\u50a8\u548c\u68c0\u7d22\u65e5\u5fd7\u3002<\/p>\n
version: '3'\nservices:\n  bls:\n    image: nginx:alpine\n    volumes:\n      - .\/log:\/var\/log\/nginx\n      - .\/public:\/usr\/share\/nginx\/html:ro\n    ports:\n      - \"8000:80\"\n    logging:\n      driver: \"json-file\"\n      options:\n        max-size: \"10m\"\n        max-file: \"10\"\n\n  logstash:\n    image: logstash:7.10.1\n    volumes:\n      - .\/logstash\/pipeline:\/usr\/share\/logstash\/pipeline\n    environment:\n      - \"ES_HOST=elasticsearch\"\n    depends_on:\n      - elasticsearch\n\n  elasticsearch:\n    image: elasticsearch:7.10.1\n    environment:\n      - \"http.host=0.0.0.0\"\n      - \"discovery.type=single-node\"\n    volumes:\n      - .\/elasticsearch:\/usr\/share\/elasticsearch\/data<\/pre>\n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u6620\u5c04\u4e86\u5bb9\u5668\u5185\u7684\u8def\u5f84\u5230\u5bbf\u4e3b\u673a\u7684\u65e5\u5fd7\u6587\u4ef6\u7cfb\u7edf\u4e2d\u3002\u540c\u65f6\u901a\u8fc7logging\u7684option\uff0c\u5219\u5b9a\u4e49\u4e86\u65e5\u5fd7\u7684\u5377\u5927\u5c0f\u548c\u6570\u91cf\uff0c\u4ee5\u9650\u5236\u65e5\u5fd7\u7684\u5360\u7528\u5b58\u50a8\u3002<\/p>\n
\u5728\u914d\u7f6e\u6587\u4ef6\u7684logstash\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65b0\u7684pipeline\uff0c\u5176\u540d\u4e3anginx_pipeline.conf<\/code>\uff0c\u8be5\u6587\u4ef6\u7528\u4e8e\u5904\u7406nginx\u65e5\u5fd7\u7684\u6536\u96c6\u3001\u8fc7\u6ee4\u548c\u4f20\u8f93\u3002\u4e0eELK\u7684\u5de5\u4f5c\u539f\u7406\u76f8\u540c\uff0clogstash\u5c06\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\uff0c\u5bf9\u63a5\u6536\u5230\u7684\u65e5\u5fd7\u8fdb\u884c\u5904\u7406\uff0c\u5e76\u5c06\u5176\u53d1\u9001\u5230\u5df2\u7ecf\u521b\u5efa\u7684 Elasticsearch \u96c6\u7fa4\u4e2d\u3002\u5728\u8be5\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u5982\u4e0b\u5904\u7406\u903b\u8f91\uff1a<\/p>\n
input {\n  file {\n    path => \"\/var\/log\/nginx\/access.log\"\n  }\n}\n\nfilter {\n  grok {\n    match => { \"message\" => \"%{COMBINEDAPACHELOG}\" }\n  }\n}\n\noutput {\n  elasticsearch {\n    hosts => [ \"${ES_HOST}:9200\" ]\n    index => \"nginx_log_index\"\n  }\n}<\/pre>\n
\u5728\u8be5\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aname\u4e3afile\u7684\u8f93\u5165\uff0c\u8868\u793a\u8981\u4ece\u672c\u5730Log\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u63a5\u7740\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u4f7f\u7528grok\u5e93\u6765\u89e3\u6790\u7b26\u5408\u7279\u5b9a\u6a21\u677f\u7684\u65e5\u5fd7\u7684filter\u3002\u6700\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u8f93\u51fa\uff0c\u5176\u5c06\u6570\u636e\u4f20\u8f93\u5230 Elasticsearch \u96c6\u7fa4\u7684\u5730\u5740\uff0c\u540c\u65f6\u5c06\u68c0\u7d22\u548c\u62a5\u544a\u901a\u8fc7\u73af\u5883\u53d8\u91cfES_HOST<\/code>\u4f20\u9012\u5230\u5bb9\u5668\u4e2d\u3002<\/p>\n
\u5728\u6700\u540e\uff0c\u5982\u4e0a\u5b8c\u6210\u6574\u4e2aELK\u7684\u914d\u7f6e\u540e\uff0c\u6211\u4eec\u4f1a\u5f97\u5230\u4e00\u4e2a\u9ad8\u6548\u7684\u65e5\u5fd7\u7ba1\u7406\u7cfb\u7edf\uff0c\u6bcf\u6761\u65e5\u5fd7\u90fd\u5c06\u53d1\u9001\u5230\u96c6\u4e2d\u7684\u5730\u65b9\uff0c\u5e76\u88ab\u6574\u5408\u5728\u4e00\u8d77\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7b80\u4fbf\u7684\u641c\u7d22\uff0c\u8fc7\u6ee4\u548c\u53ef\u89c6\u5316\u64cd\u4f5c\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n
\n
<\/dt>\n
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