Lab 023

pm2的日志性能很好，但log4js写起来更爽，用Node做开发追求的不就是敏捷开发么？

 

环境以及安装pm2-intercom

$ node -v
v10.16.0

$ npm ls log4js express ts-node typescript
├── express@4.17.1 
├── log4js@6.1.2 
├── ts-node@8.4.1 
└── typescript@3.7.2

$ pm2 -v
4.1.2

$ pm2 install pm2-intercom

 

目录结构

src
├── app.ts
└── config
      ├── log4js.json
      └── pm2.json

 

log4js.json

{
  "appenders"     : {
    "console"            : {
      "type": "console"
    },
    "global_out"         : {
      "type"                : "dateFile",
      "filename"            : "/home/node/logs/xxProject/global_out",
      "layout"              : {
        "type"   : "pattern",
        "pattern": "|%d|%p|%c|%m|"
      },
      "alwaysIncludePattern": true,
      "pattern"             : "yyyy-MM-dd.log"
    },
    "global_error"       : {
      "type"                : "dateFile",
      "filename"            : "/home/node/logs/xxProject/global_error",
      "layout"              : {
        "type"   : "pattern",
        "pattern": "|%d|%p|%c|%m|"
      },
      "alwaysIncludePattern": true,
      "pattern"             : "yyyy-MM-dd.log"
    },
    "global_error_filter": {
      "type"    : "logLevelFilter",
      "appender": "global_error",
      "level"   : "error"
    },
    "console_info_filter": {
      "type"    : "logLevelFilter",
      "appender": "console",
      "level"   : "info"
    }
  },
  "categories"    : {
    "default": {
      "appenders"      : [
        "console_info_filter",
        "global_out",
        "global_error_filter"
      ],
      "level"          : "info",
      "enableCallStack": true
    }
  },
  "pm2"           : true,
  "pm2InstanceVar": "INSTANCE_ID"
}

 

app.ts片段

// pm2 install pm2-intercom
const log4js = require('log4js');
log4js.configure('./config/log4js.json');
const logger  = log4js.getLogger('console');
console.log   = logger.info.bind(logger);
console.info  = logger.info.bind(logger);
console.error = logger.error.bind(logger);
console.debug = logger.debug.bind(logger);
console.trace = logger.trace.bind(logger);
console.warn  = logger.warn.bind(logger);

 

pm2.json

{
  "apps": [
    {
      "name"           : "MobileFreelancer",
      "instances"      : 4,
      "exec_mode"      : "cluster",
      "script"         : "../node_modules/.bin/ts-node",
      "args"           : "-P ../tsconfig.json -r tsconfig-paths/register ./app.js",
      "watch"          : false,
      "ignore_watch"   : [
        "node_modules"
      ],
      "env"            : {
        "TZ"       : "Asia/Shanghai",
        "NODE_PATH": ".",
        "NODE_ENV" : "development"
      },
      "env_production" : {
        "TZ"       : "Asia/Shanghai",
        "NODE_PATH": ".",
        "NODE_ENV" : "production"
      },
      "error_file"     : "/home/node/logs/xxProject/pm2-error.log",
      "out_file"       : "/dev/null",
      "combine_logs"   : true,
      "log_date_format": "YYYY-MM-DD HH:mm Z",
      "instance_var"   : "INSTANCE_ID"
    }
  ]
}

 

启动命令 package.json -> scripts

  {
    "build:rm"  : "rm -rf dist/ && mkdir dist/",
    "build:copy": "cp -r src/config/ dist/",
    "build"     : "npm run build:rm && npm run build:copy && node_modules/.bin/tsc -b",
    "buildOnly" : "npm run build:copy && node_modules/.bin/tsc -b",
    "watch"     : "npm run build:rm && npm run build:copy && node_modules/.bin/tsc-watch",
    "dev"       : "cd src && env TZ='Asia/Shanghai' NODE_PATH=. NODE_ENV=development ../node_modules/.bin/ts-node -P ../tsconfig.json -r tsconfig-paths/register ./app.ts",
    "pm2dev"    : "npm run buildOnly && cd dist/ && pm2 startOrGracefulReload config/pm2.json",
    "pm2"       : "cd dist/ && pm2 startOrGracefulReload config/pm2.json --env production"
  }