Add release-announce job and publish-to-pypi template

This one is refreshingly easy.

We also have all the jobs needed now, so add a project-template
that matches the v2 publish-to-pypi template.

Depends-On: I901331a6b2dd7d269d5e356e76674ef9635924b5
Change-Id: Id9e346aefd6e783a184f3a4bb5d4b256a7448799

playbooks/release/announce.yaml

@@ -0,0 +1,6 @@
+- hosts: all
+  tasks:
+    - name: Send release announcement
+      command: >
+        src/git.openstack.org/openstack-infra/release-tools/announce.sh
+          src/{{ zuul.project.canonical_name }} {{ zuul.tag }}

playbooks/release/pre.yaml

@@ -0,0 +1,15 @@
+- hosts: all
+  roles:
+    - role: bindep
+      bindep_profile: test
+      bindep_dir: "src/{{ zuul.project.canonical_name }}"
+      # TODO(mordred) When we have site-local variables, these should go there
+      bindep_command: /usr/bindep-env/bin/bindep
+      bindep_fallback: /usr/local/jenkins/common_data/bindep-fallback.txt
+    - role: bindep
+      bindep_profile: test
+      bindep_dir: src/git.openstack.org/openstack-infra/release-tools
+      # TODO(mordred) When we have site-local variables, these should go there
+      bindep_command: /usr/bindep-env/bin/bindep
+      bindep_fallback: /usr/local/jenkins/common_data/bindep-fallback.txt
+    - revoke-sudo

zuul.yaml

@@ -44,6 +44,36 @@
     pre-run: playbooks/python-tarball/pre
     run: playbooks/python-tarball/run
 
+- job:
+    name: announce-release
+    description:
+      Send a release announcement after publishing a project
+    pre-run: playbooks/release/pre
+    run: playbooks/release/announce
+    required-projects:
+      - openstack-infra/release-tools
+
+- project-template:
+    name: publish-to-pypi
+    pre-release:
+      jobs:
+        - publish-openstack-python-tarball
+        - announce-release:
+            dependencies:
+              - publish-openstack-python-tarball
+        - propose-update-constraints:
+            dependencies:
+              - publish-openstack-python-tarball
+    release:
+      jobs:
+        - publish-openstack-python-tarball
+        - announce-release:
+            dependencies:
+              - publish-openstack-python-tarball
+        - propose-update-constraints:
+            dependencies:
+              - publish-openstack-python-tarball
+
 - project:
     name: openstack-infra/openstack-zuul-jobs
     check: