Add force option to service update #27596
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Rebased on top of latest master. No longer blocked by the vendoring PR. |
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This addresses the original use case of #24066, although we should probably still look into resolving the digest |
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@dnephin @aluzzardi ready to go to docs review? |
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sounds good |
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@aaronlehmann can you;
This also needs an update in the Bash and Zsh completion scripts, https://github.com/docker/docker/tree/master/contrib/completion, but those can be taken care off in a separate PR if you don't want to update those. |
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Currently, there's no way to restart the tasks of a service without making an actual change to the service. This leads to us giving awkward workarounds as in https://github.com/docker/docker.github.io/pull/178/files, where we tell people to scale a service up and down to restore balance, or make unnecessary changes to trigger a restart. This change adds a --force option to "docker service update", which forces the service to be updated even if no changes require that. Since rolling update parameters are respected, the user can use "docker service --force" to do a rolling restart. For example, the following is supported: docker service update --force --update-parallelism 2 \ --update-delay 5s myservice Since the default value of --update-parallelism is 1, the default behavior is to restart the service one task at a time. Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
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@thaJeztah: Done! |
thaJeztah
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Pull request moby#27745 added support for the client to talk to older versions of the daemon. Various flags were added to docker 1.13 that are not compatible with older daemons. This PR adds annotations to those flags, so that they are automatically hidden if the daemon is older than docker 1.13 (API 1.25). Not all new flags affect the API (some are client-side only). The following PR's added new flags to docker 1.13 that affect the API; - moby#23430 added `--cpu-rt-period`and `--cpu-rt-runtime` - moby#27800 / moby#25317 added `--group` / `--group-add` / `--group-rm` - moby#27702 added `--network` to `docker build` - moby#25962 added `--attachable` to `docker network create` - moby#27998 added `--compose-file` to `docker stack deploy` - moby#22566 added `--stop-timeout` to `docker run` and `docker create` - moby#26061 added `--init` to `docker run` and `docker create` - moby#26941 added `--init-path` to `docker run` and `docker create` - moby#27958 added `--cpus` on `docker run` / `docker create` - moby#27567 added `--dns`, `--dns-opt`, and `--dns-search` to `docker service create` - moby#27596 added `--force` to `docker service update` - moby#27857 added `--hostname` to `docker service create` - moby#28031 added `--hosts`, `--host-add` / `--host-rm` to `docker service create` and `docker service update` - moby#28076 added `--tty` on `docker service create` / `docker service update` - moby#26421 added `--update-max-failure-ratio`, `--update-monitor` and `--rollback` on `docker service update` - moby#27369 added `--health-cmd`, `--health-interval`, `--health-retries`, `--health-timeout` and `--no-healthcheck` options to `docker service create` and `docker service update` Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Add force option to service update
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Pull request moby/moby#27745 added support for the client to talk to older versions of the daemon. Various flags were added to docker 1.13 that are not compatible with older daemons. This PR adds annotations to those flags, so that they are automatically hidden if the daemon is older than docker 1.13 (API 1.25). Not all new flags affect the API (some are client-side only). The following PR's added new flags to docker 1.13 that affect the API; - moby/moby#23430 added `--cpu-rt-period`and `--cpu-rt-runtime` - moby/moby#27800 / moby/moby#25317 added `--group` / `--group-add` / `--group-rm` - moby/moby#27702 added `--network` to `docker build` - moby/moby#25962 added `--attachable` to `docker network create` - moby/moby#27998 added `--compose-file` to `docker stack deploy` - moby/moby#22566 added `--stop-timeout` to `docker run` and `docker create` - moby/moby#26061 added `--init` to `docker run` and `docker create` - moby/moby#26941 added `--init-path` to `docker run` and `docker create` - moby/moby#27958 added `--cpus` on `docker run` / `docker create` - moby/moby#27567 added `--dns`, `--dns-opt`, and `--dns-search` to `docker service create` - moby/moby#27596 added `--force` to `docker service update` - moby/moby#27857 added `--hostname` to `docker service create` - moby/moby#28031 added `--hosts`, `--host-add` / `--host-rm` to `docker service create` and `docker service update` - moby/moby#28076 added `--tty` on `docker service create` / `docker service update` - moby/moby#26421 added `--update-max-failure-ratio`, `--update-monitor` and `--rollback` on `docker service update` - moby/moby#27369 added `--health-cmd`, `--health-interval`, `--health-retries`, `--health-timeout` and `--no-healthcheck` options to `docker service create` and `docker service update` Signed-off-by: Sebastiaan van Stijn <github@gone.nl> Upstream-commit: 5d2722f83db9e301c6dcbe1c562c2051a52905db Component: cli
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Currently, there's no way to restart the tasks of a service without making an actual change to the service. This leads to us giving awkward workarounds as in https://github.com/docker/docker.github.io/pull/178/files, where we tell people to scale a service up and down to restore balance, or make unnecessary changes to trigger a restart.
This change adds a --force option to "docker service update", which forces the service to be updated even if no changes require that.
Since rolling update parameters are respected, the user can use "docker service --force" to do a rolling restart. For example, the following is supported:
Since the default value of --update-parallelism is 1, the default behavior is to restart the service one task at a time.
cc @aluzzardi @dnephin