Fix promote-service-types-authority

This job only publishes part of the directory and needs to keep old content
around. Thus, add a new promote playbook that uses the
upload-afs-synchronize rule to not delete old content like the normal
playbook in the parent does.

Change-Id: I13f9faf698ec459f1d7cd7a950172d836b470a4c

playbooks/service-types/promote.yaml

@@ -0,0 +1,52 @@
+# This is a variant of https://opendev.org/opendev/base-jobs/src/branch/master/playbooks/docs/promote.yaml
+# It uses upload-afs-syncronize instead of upload-afs-roots to add content
+# but not delete. It is also simplified for repository
+# openstack/service-types-authority.
+- hosts: localhost
+  tasks:
+    - name: Check execution context
+      when: "zuul.branch is not defined"
+      fail:
+        msg: "This playbook must be run in a branch-based pipeline (e.g., 'promote')."
+    - name: Download docs archive
+      include_role:
+        name: download-artifact
+      vars:
+        # download_artifact_job: provided by zuul job
+        download_artifact_api: "https://zuul.opendev.org/api/tenant/{{ zuul.tenant }}"
+        download_artifact_type:
+          - docs_archive
+          - docs_pdf
+        download_artifact_pipeline: gate
+    - name: Create working directory
+      file:
+        path: "{{ zuul.executor.work_root }}/docs"
+        state: directory
+    - name: Extract docs archive
+      unarchive:
+        src: "{{ zuul.executor.work_root }}/docs-html.tar.bz2"
+        dest: "{{ zuul.executor.work_root }}/docs"
+    - name: Set target directory if master
+      when: "zuul.branch == 'master'"
+      set_fact:
+        target_dir: "/afs/.openstack.org/project/{{ publish_site }}/"
+    - name: Set target directory if not master
+      when: "zuul.branch != 'master'"
+      fail:
+        msg: "This jobs should be only run on master branch."
+    - name: Get an AFS token
+      include_role:
+        name: create-afs-token
+    - name: Create publication directory
+      file:
+        path: "{{ target_dir }}"
+        state: directory
+    - name: Upload to AFS
+      include_role:
+        name: upload-afs-synchronize
+      vars:
+        afs_source: "{{ zuul.executor.work_root }}/docs/"
+        afs_target: "{{ target_dir }}"
+    - name: Destroy AFS token
+      include_role:
+        name: destroy-afs-token

zuul.d/jobs.yaml

@@ -386,6 +386,7 @@
 
       This is a promote job for ``service-types-authority-tox-publish``.
     final: true
+    run: playbooks/service-types/promote.yaml
     allowed-projects:
       - openstack/service-types-authority
     vars: