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feat: add timeout override for pre-update lifecycle hook

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Simon Aronsson 2019-11-25 21:11:12 +01:00 • committed by Simon Aronsson
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commit 1d1c630f7a
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docs/lifecycle-hooks.md
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@ -46,6 +46,19 @@ docker run -d \
--label=com.centurylinklabs.watchtower.lifecycle.post-check="/send-heartbeat.sh" \
```
### Timeouts
The timeout for all lifecycle commands is 60 seconds. After that, a timeout will
occur, forcing Watchtower to continue the update loop.
#### Pre-update timeouts
For the `pre-update` lifecycle command, it is possible to override this timeout to
allow the script to finish before forcefully killing it. This is done by adding the
label `com.centurylinklabs.watchtower.lifecycle.pre-update-timeout` followed by
the timeout expressed in minutes.
If the label value is explicitly set to `0`, the timeout will be disabled.
### Execution failure
The failure of a command to execute, identified by an exit code different than