split mistral-extra from mistral and fix validation

The mistral-extra repo is being deprecated. Split it out into its own
repository and mark it as not being released so we can ignore some of
the validation checks that now fail because of changes in
project-config.

Change-Id: Iaaf3a70b108618ed46df73ba834c554f6adde458
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

deliverables/newton/mistral-extra.yaml

@@ -0,0 +1,14 @@
+---
+launchpad: mistral
+team: mistral
+send-announcements-to: openstack-announce@lists.openstack.org
+artifact-link-mode: none
+releases:
+  - version: 3.0.0.0b1
+    projects:
+      - repo: openstack/mistral-extra
+        hash: a8c9c799e83786919913addbc66584b4fdf6e2b1
+  - version: 3.0.0.0b2
+    projects:
+      - repo: openstack/mistral-extra
+        hash: a2df1d7cf631b7d1136c1f2bd02a89c97408d16e

deliverables/newton/mistral.yaml

@@ -9,13 +9,9 @@ releases:
         hash: 64afe2aa544121e00698dfcc8e080ac2bc92e608
       - repo: openstack/mistral-dashboard
         hash: 5725a06e077affd49eaf72d547aba717c0858479
-      - repo: openstack/mistral-extra
-        hash: a8c9c799e83786919913addbc66584b4fdf6e2b1
   - version: 3.0.0.0b2
     projects:
       - repo: openstack/mistral
         hash: d0009166e09a5788999dec40c017094c6baa17c5
       - repo: openstack/mistral-dashboard
         hash: 5725a06e077affd49eaf72d547aba717c0858479
-      - repo: openstack/mistral-extra
-        hash: a2df1d7cf631b7d1136c1f2bd02a89c97408d16e

openstack_releases/cmds/validate.py

@@ -326,7 +326,7 @@ def main():
                 deliverable_name=deliverable_name,
             )
         )
-        if not expected_repos:
+        if link_mode != 'none' and not expected_repos:
             msg = ('unable to find deliverable %s in the governance list' %
                    deliverable_name)
             print(msg)