Difference between revisions of "Docker logging"

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* <code>[[journald]]</code>
 
* <code>[[journald]]</code>
 
* <code>[[gelf]]</code>
 
* <code>[[gelf]]</code>
* fluentd
+
* <code>[[fluentd]]</code>
* awslogs
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* <code>[[awslogs]]</code>
* [[splunk]]
+
* <code>[[splunk]]</code>
* etwlogs
+
* <code>[[etwlogs]]</code>
* gcplogs
+
* <code>[[gcplogs]]</code>
* logentries.<ref>https://docs.docker.com/config/containers/logging/configure/</ref>
+
* <code>[[logentries]]</code> <ref>https://docs.docker.com/config/containers/logging/configure/</ref>
  
  
 
Configuration is done at docker container start time with command <code>docker run -it --log-drive LOG_METHOD CONTAINER_ID</code>
 
Configuration is done at docker container start time with command <code>docker run -it --log-drive LOG_METHOD CONTAINER_ID</code>
 +
 +
Sending logs to [[syslog]] or [[logstash]]
 +
docker run --log-driver=syslog --log-opt syslog-address=tcp://<logstash-system-ip>:5000 hello-world
 +
 +
 +
 +
 
* Check method configured in a running container:
 
* Check method configured in a running container:
 
<pre>
 
<pre>
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* <code>[[docker-compose logs]]</code>
 
* <code>[[docker-compose logs]]</code>
  
TOMERGE: [[Container logging]]
+
== Related terms ==
 +
* [[Container logging]]
 +
* <code>[[journalctl -u docker]]</code>
 +
* <code>[[aws logs create-log-group]]</code>
 +
* See also https://stackoverflow.com/questions/30969435/where-is-the-docker-daemon-log/30970134#30970134 for further information about docker logs.
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* <code>[[kubectl logs]]</code>
  
 
== See also ==
 
== See also ==

Latest revision as of 15:24, 23 May 2022

Docker support logging to format or different platforms, such as [1]


Configuration is done at docker container start time with command docker run -it --log-drive LOG_METHOD CONTAINER_ID

Sending logs to syslog or logstash

docker run --log-driver=syslog --log-opt syslog-address=tcp://<logstash-system-ip>:5000 hello-world



  • Check method configured in a running container:
docker inspect -f '{{.HostConfig.LogConfig.Type}}' CONTAINER_ID
docker inspect -f '{{.HostConfig.LogConfig}}' CONTAINER_ID

docker inspect <container_id|container_name> | grep -A 5 LogConfig

"LogConfig": {
  "Type": "syslog"
  "Config": {}
}

docker logs CONTAINER_NAME_OR_ID (Docker Community Engine only support: local, json-file and journald)
docker logs CONTAINER_NAME_OR_ID 2>&1 | grep "STRING_TO_SEARCH" (You will need to redirect outputs to be able to grep output)[3]
See https://docs.docker.com/config/containers/logging/ for more information


Related terms[edit]

See also[edit]

  • https://docs.docker.com/config/containers/logging/configure/
  • https://docs.docker.com/config/containers/logging/configure/
  • https://stackoverflow.com/questions/34724980/finding-a-string-in-docker-logs-of-container
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