0bc9db6c89
Import doc, code, various boilerplate elements from zuul. Add basic unit testing. Change-Id: I44b78cd9d2a31fb62ddf4ffd56546066c5db2689
168 lines
5.8 KiB
ReStructuredText
168 lines
5.8 KiB
ReStructuredText
:title: Commands
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Commands
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========
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Privileged commands
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-------------------
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Some commands require a valid authentication token to be passed as the ``--auth-token``
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argument. Administrators can generate such a token for users as needed.
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Usage
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-----
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The general options that apply to all subcommands are:
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.. program-output:: zuul-client --help
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The following subcommands are supported:
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Autohold
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^^^^^^^^
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.. note:: This command is only available with a valid authentication token.
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.. program-output:: zuul-client autohold --help
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Example::
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zuul-client autohold --tenant openstack --project example_project --job example_job --reason "reason text" --count 1
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Autohold Delete
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^^^^^^^^^^^^^^^
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.. note:: This command is only available with a valid authentication token.
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.. program-output:: zuul-client autohold-delete --help
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Example::
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zuul-client autohold-delete --tenant openstack --id 0000000123
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Autohold Info
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^^^^^^^^^^^^^
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.. program-output:: zuul-client autohold-info --help
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Example::
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zuul-client autohold-info --tenant openstack --id 0000000123
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Autohold List
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^^^^^^^^^^^^^
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.. program-output:: zuul-client autohold-list --help
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Example::
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zuul-client autohold-list --tenant openstack
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Dequeue
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^^^^^^^
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.. note:: This command is only available with a valid authentication token.
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.. program-output:: zuul-client dequeue --help
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Examples::
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zuul-client dequeue --tenant openstack --pipeline check --project example_project --change 5,1
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zuul-client dequeue --tenant openstack --pipeline periodic --project example_project --ref refs/heads/master
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Enqueue
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^^^^^^^
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.. note:: This command is only available with a valid authentication token.
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.. program-output:: zuul-client enqueue --help
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Example::
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zuul-client enqueue --tenant openstack --trigger gerrit --pipeline check --project example_project --change 12345,1
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Note that the format of change id is <number>,<patchset>.
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Enqueue-ref
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^^^^^^^^^^^
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.. note:: This command is only available with a valid authentication token.
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.. program-output:: zuul-client enqueue-ref --help
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This command is provided to manually simulate a trigger from an
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external source. It can be useful for testing or replaying a trigger
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that is difficult or impossible to recreate at the source. The
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arguments to ``enqueue-ref`` will vary depending on the source and
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type of trigger. Some familiarity with the arguments emitted by
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``gerrit`` `update hooks
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<https://gerrit-review.googlesource.com/admin/projects/plugins/hooks>`__
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such as ``patchset-created`` and ``ref-updated`` is recommended. Some
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examples of common operations are provided below.
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Manual enqueue examples
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***********************
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It is common to have a ``release`` pipeline that listens for new tags
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coming from ``gerrit`` and performs a range of code packaging jobs.
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If there is an unexpected issue in the release jobs, the same tag can
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not be recreated in ``gerrit`` and the user must either tag a new
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release or request a manual re-triggering of the jobs. To re-trigger
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the jobs, pass the failed tag as the ``ref`` argument and set
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``newrev`` to the change associated with the tag in the project
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repository (i.e. what you see from ``git show X.Y.Z``)::
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zuul-client enqueue-ref --tenant openstack --trigger gerrit --pipeline release --project openstack/example_project --ref refs/tags/X.Y.Z --newrev abc123...
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The command can also be used asynchronosly trigger a job in a
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``periodic`` pipeline that would usually be run at a specific time by
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the ``timer`` driver. For example, the following command would
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trigger the ``periodic`` jobs against the current ``master`` branch
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top-of-tree for a project::
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zuul-client enqueue-ref --tenant openstack --trigger timer --pipeline periodic --project openstack/example_project --ref refs/heads/master
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Another common pipeline is a ``post`` queue listening for ``gerrit``
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merge results. Triggering here is slightly more complicated as you
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wish to recreate the full ``ref-updated`` event from ``gerrit``. For
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a new commit on ``master``, the gerrit ``ref-updated`` trigger
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expresses "reset ``refs/heads/master`` for the project from ``oldrev``
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to ``newrev``" (``newrev`` being the committed change). Thus to
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replay the event, you could ``git log`` in the project and take the
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current ``HEAD`` and the prior change, then enqueue the event::
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NEW_REF=$(git rev-parse HEAD)
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OLD_REF=$(git rev-parse HEAD~1)
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zuul-client enqueue-ref --tenant openstack --trigger gerrit --pipeline post --project openstack/example_project --ref refs/heads/master --newrev $NEW_REF --oldrev $OLD_REF
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Note that zero values for ``oldrev`` and ``newrev`` can indicate
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branch creation and deletion; the source code of Zuul is the best reference
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for these more advanced operations.
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Promote
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^^^^^^^
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.. note:: This command is only available with a valid authentication token.
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.. program-output:: zuul-client promote --help
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This command will push the listed changes at the top of the chosen pipeline.
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Example::
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zuul-client promote --tenant openstack --pipeline check --changes 12345,1 13336,3
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Note that the format of changes id is <number>,<patchset>.
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The promote action is used to reorder the change queue in a pipeline, by putting
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the provided changes at the top of the queue; therefore this action makes the most
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sense when performed against a dependent pipeline.
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The most common use case for the promote action is the need to merge an urgent fix
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when the gate pipeline has already several patches queued ahead. This is especially
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needed if there is concern that one or more changes ahead in the queue may fail,
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thus increasing the time to land for the fix; or concern that the fix may not
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pass validation if applied on top of the current patch queue in the gate.
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If the queue of a dependent pipeline is targeted by the promote, all the ongoing
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jobs in that queue will be canceled and restarted on top of the promoted changes.
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