mirror of https://github.com/docker/cli.git
8c03c1201b
This adds support for two enhancements to swarm service rolling updates: - Failure thresholds: In Docker 1.12, a service update could be set up to either pause or continue after a single failure occurs. This adds an --update-max-failure-ratio flag that controls how many tasks need to fail to update for the update as a whole to be considered a failure. A counterpart flag, --update-monitor, controls how long to monitor each task for a failure after starting it during the update. - Rollback flag: service update --rollback reverts the service to its previous version. If a service update encounters task failures, or fails to function properly for some other reason, the user can roll back the update. SwarmKit also has the ability to roll back updates automatically after hitting the failure thresholds, but we've decided not to expose this in the Docker API/CLI for now, favoring a workflow where the decision to roll back is always made by an admin. Depending on user feedback, we may add a "rollback" option to --update-failure-action in the future. Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com> |
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docs/README.md
The non-reference docs have been moved!
The documentation for Docker Engine has been merged into the general documentation repo.
See the README for instructions on contributing to and building the documentation.
If you'd like to edit the current published version of the Engine docs, do it in the master branch here: https://github.com/docker/docker.github.io/tree/master/engine
If you need to document the functionality of an upcoming Engine release,
use the vnext-engine branch:
https://github.com/docker/docker.github.io/tree/vnext-engine/engine
The reference docs have been left in docker/docker (this repo), which remains the place to edit them.
The docs in the general repo are open-source and we appreciate your feedback and pull requests!