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Add a label take precedence argument

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Jean-Edouard Babin 2023-09-07 19:43:40 +02:00
parent 36391b0ae7
commit 82f5472fd6
6 changed files with 85 additions and 30 deletions
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docs/arguments.md
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@ -205,7 +205,7 @@ Environment Variable: WATCHTOWER_POLL_INTERVAL
```
## Filter by enable label
Update containers that have a `com.centurylinklabs.watchtower.enable` label set to true.
Monitor and update containers that have a `com.centurylinklabs.watchtower.enable` label set to true.
```text
Argument: --label-enable
@ -215,7 +215,7 @@ Environment Variable: WATCHTOWER_LABEL_ENABLE
```
## Filter by disable label
__Do not__ update containers that have `com.centurylinklabs.watchtower.enable` label set to false and
__Do not__ Monitor and update containers that have `com.centurylinklabs.watchtower.enable` label set to false and
no `--label-enable` argument is passed. Note that only one or the other (targeting by enable label) can be
used at the same time to target containers.
@ -238,6 +238,18 @@ Environment Variable: WATCHTOWER_MONITOR_ONLY
Note that monitor-only can also be specified on a per-container basis with the `com.centurylinklabs.watchtower.monitor-only` label set on those containers.
## With label taking precedence over environment variables
By default, environement variables will take precedence over labels. This means that if you set `WATCHTOWER_MONITOR_ONLY` to true, a container with `com.centurylinklabs.watchtower.monitor-only` set to false will not be updated. If you set `WATCHTOWER_LABEL_TAKE_PRECEDENCE` to true, then the container will also be updated
```text
Argument: --label-take-precedence
Environment Variable: WATCHTOWER_LABEL_TAKE_PRECEDENCE
Type: Boolean
Default: false
```
## Without restarting containers
Do not restart containers after updating. This option can be useful when the start of the containers
is managed by an external system such as systemd.