针对特定的Docker容器自定义日志格式

首先确保系统安装了jq 命令, 用jq 格式JSON日志，很方便查看日志。
通过 -log-opt tag=“你的个性化标签”
如下面描述:
–log-opt tag=“fyy-service/{{.ImageName}}/{{.Name}}/{{.ID}}”

针对特定的Docker容器自定义日志格式
最终，json-file日志插件将容器打印到控制台的日志生成到本地 /var/lib/docker/containers/*/目录中，为json格式，如下：

docker stop test;docker rm test;docker run -d --name test --log-opt tag="fyy-service/{{.ImageName}}/{{.Name}}/{{.ID}}"   nexus.example.com:2443/maven-java-demo-czq:0.0.5


cd /var/lib/docker/containers;

[[email protected] 66f4ddfda083f36b7fa67fb795e6d4bcc9141ad92f4298f292ed4e15cdc46305]# ls

66f4ddfda083f36b7fa67fb795e6d4bcc9141ad92f4298f292ed4e15cdc46305-json.log  checkpoints  config.v2.json  hostconfig.json  hostname  hosts  mounts  resolv.conf  resolv.conf.hash

[[email protected] 66f4ddfda083f36b7fa67fb795e6d4bcc9141ad92f4298f292ed4e15cdc46305]# 
more 66f4ddfda083f36b7fa67fb795e6d4bcc9141ad92f4298f292ed4e15cdc46305-json.log | jq
{
  "log": "starter.sh version 2019.02.04\n",
  "stream": "stdout",
  "attrs": {
    "tag": "fyy-service/nexus.example.com:2443/maven-java-demo-czq:0.0.5/test/66f4ddfda083"
  },
  "time": "2019-04-29T02:54:39.493741707Z"
}
{
  "log": "starting sshd for remote login... 支持自定义用户root密码, 可以通过SSHD_PASSWORD环境变量传入修改默认的root密码\n",
  "stream": "stdout",
  "attrs": {
    "tag": "fyy-service/nexus.example.com:2443/maven-java-demo-czq:0.0.5/test/66f4ddfda083"
  },
  "time": "2019-04-29T02:54:39.495818097Z"
}
{
  "log": "downloadURL=\n",
  "stream": "stdout",
  "attrs": {
    "tag": "fyy-service/nexus.example.com:2443/maven-java-demo-czq:0.0.5/test/66f4ddfda083"
  },
  "time": "2019-04-29T02:54:39.496033293Z"
}
{
  "log": "=> Found authorized keys\n",
  "stream": "stdout",
  "attrs": {
    "tag": "fyy-service/nexus.example.com:2443/maven-java-demo-czq:0.0.5/test/66f4ddfda083"
  },
  "time": "2019-04-29T02:54:39.496590364Z"
}
{
  "log": "downloadFileName=\n",
  "stream": "stdout",
  "attrs": {
    "tag": "fyy-service/nexus.example.com:2443/maven-java-demo-czq:0.0.5/test/66f4ddfda083"
  },
  "time": "2019-04-29T02:54:39.498070973Z"
}
{
  "log": "protocal=none\n",
  "stream": "stdout",
  "attrs": {
    "tag": "fyy-service/nexus.example.com:2443/maven-java-demo-czq:0.0.5/test/66f4ddfda083"
  },
  "time": "2019-04-29T02:54:39.4981817Z"
}
{
  "log": "mkdir: can't create directory 'docker_app': File exists\n",
  "stream": "stderr",
  "attrs": {
    "tag": "fyy-service/nexus.example.com:2443/maven-java-demo-czq:0.0.5/test/66f4ddfda083"
  },
  "time": "2019-04-29T02:54:39.49883766Z"
}

针对特定的Docker容器自定义日志格式

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