Task publish is ignored silently

[Vitalii Solodilov]

For instance, if a task has two publish attributes, a not "on-success" publish is silently ignored.
We should raise an exception during a workflow validation.

version: '2.0'
wf1:
    tasks:
      t1:
        publish:
          res_x1: 111
        on-success:
          next: t2
          publish:
            branch:
              res_x2: 222
      t2:
        action: std.noop
        publish:
          t2_x2: <% $.res_x2 %>
          t1_x1: <% $.res_x1 %>

mistral.exceptions.YaqlEvaluationException: Can not evaluate YAQL expression [expression=$.res_x1, error='res_x1', data={}]
] (execution_id=f32f00ac-c58e-4286-9c3b-6d4c52e854f9

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/686138

[OpenStack Infra (hudson-openstack)]

Change abandoned by ali (<email address hidden>) on branch: master
Review: https://review.opendev.org/686138

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/684711
Committed: https://git.openstack.org/cgit/openstack/mistral/commit/?id=c7a54d22df990795141dc990300ab76704aa5d30
Submitter: Zuul
Branch: master

commit c7a54d22df990795141dc990300ab76704aa5d30
Author: ali <email address hidden>
Date: Wed Sep 25 11:21:54 2019 +0000

    Task publish is ignored silently

    bug-fix, on-success, on complete published variables are not merged
     with regular published variables

    Closes-Bug: #1791449
    Change-Id: Iba05b9acbfea06214a3ab93911d2eaaa4729278f

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/mistral 10.0.0.0b1 development milestone.