publish docs built from releases repository

We now have the doc build working in the releases repository, and want
to publish the results to docs.openstack.org/releases. This change is
meant to enable that.

Change-Id: Ie7c752ba2ff601e4e0522e0c74ee89e7a23133d5

jenkins/jobs/projects.yaml

@@ -2871,16 +2871,16 @@
     name: releases
     node: 'bare-precise || bare-trusty'
     tarball-site: tarballs.openstack.org
-    docroot: governance
+    doc-publisher-site: docs.openstack.org
 
     jobs:
       - 'gate-{name}-docs'
-      - 'static-{name}-publish'
       - 'gate-{name}-tox-{envlist}':
           envlist: validate
       - 'gate-{name}-tox-{envlist}':
           envlist: list-changes
       - gate-{name}-pep8
+      - publish-release-history
 
 - project:
     name: requirements

jenkins/jobs/release-jobs.yaml

@@ -0,0 +1,20 @@
+# This job is meant to be used *only* by the openstack/releases
+# repository for publishing the release history after building the
+# documentation in that repository.
+- job-template:
+    name: publish-release-history
+    node: '{node}'
+
+    builders:
+        - revoke-sudo
+        - gerrit-git-prep
+        - docs
+
+    publishers:
+        - console-log
+        - ftp:
+            site: '{doc-publisher-site}'
+            source: 'doc/build/html/**'
+            target: 'releases'
+            remove-prefix: 'doc/build/html'
+            excludes: ''

zuul/layout.yaml

@@ -4633,6 +4633,8 @@ projects:
     gate:
       - gate-releases-tox-validate
       - gate-releases-docs
+    post:
+      - publish-release-history
 
   - name: openstack/requirements
     template: