Docker Events

• "Actions Taken" Logs of Docker Engine and Swarm
  • e.g. "network create", "service update", "container start"
• docker events received SwarmKit events in 17.06
  • services/nodes/secrets/configs got create/update/remove
• Has searching (filtering) and formatting
• Limited to last 1000 Events (no logs are stored on disk)
• Two scopes, "local" and "swarm"
• Not the same as dockerd (journald) log, also not an error log

Examples

• Follow future events
  • docker events
• Return events from a date until now and future
  • docker events --since 2019-01-05
  • docker events --since 2019-01-05T12:30:00
• Return events from 30m ago until now and future
  • docker events --since 30m
  • docker events --since 2h10m
• Return last hour of events filtered by event name
  • docker events --since 1h --filter event=start
• Only return Swarm related events for networks
  • docker events --since 1h --filter scope=swarm --filter type=network

External links

• https://docs.docker.com/engine/reference/commandline/events/