Fix translation scripts

The translation scripts need sudo, we cannot use the release notes
pre.yaml which revokes sudo. Instead, create our own pre script and use
it.

Use .venv/bin for sphinx-build since that's where the current role in
openstack-zuul-jobs puts the content.

Depends-On: I23ae1ed7abe7f36d46aae3d72293210ca2a8c0e6
Change-Id: Ia7427bef0408bc5138b6f2a0eb30713ce8fd379d

jenkins/scripts/common_translation_update.sh

@@ -428,7 +428,7 @@ function extract_messages_releasenotes {
     local keep_workdir=$1
 
     # Extract messages
-    sphinx-build -b gettext -d releasenotes/build/doctrees \
+    .venv/bin/sphinx-build -b gettext -d releasenotes/build/doctrees \
         releasenotes/source releasenotes/work
     rm -rf releasenotes/build
     # Concatenate messages into one POT file

playbooks/translation/pre.yaml

@@ -0,0 +1,3 @@
+- hosts: all
+  roles:
+    - ensure-reno

zuul.d/jobs.yaml

@@ -903,7 +903,7 @@
 - job:
     name: upstream-translation-update
     parent: propose-updates
-    pre-run: playbooks/releasenotes/pre.yaml
+    pre-run: playbooks/translation/pre.yaml
     run: playbooks/translation/upstream-translation-update.yaml
     post-run: playbooks/publish/openstack-artifacts.yaml
     semaphore: translations
@@ -919,7 +919,7 @@
 - job:
     name: propose-translation-update
     parent: propose-updates
-    pre-run: playbooks/releasenotes/pre.yaml
+    pre-run: playbooks/translation/pre.yaml
     run: playbooks/translation/propose-translation-update.yaml
     semaphore: translations
     required-projects: