relvalconsumer: handle wikitcms being disabled

roles/relvalconsumer/tasks/main.yml

@@ -38,8 +38,14 @@
 - name: Create /etc/fedora (credentials files location)
   file: path=/etc/fedora state=directory owner=root group=fedmsg mode=0750
 
+# We actually want to handle the case where wikitcms_user isn't defined
+# even though it makes this role essentially do nothing, as we don't
+# really want openqa-stg creating stuff in the staging wiki all the
+# time. So in that case install the role but don't set up a credentials
+# file and leave the role disabled
 - name: Write wikitcms credentials file
   template: src=credentials.j2 dest=/etc/fedora/credentials owner=root group=fedmsg mode=0640
+  when: "wikitcms_user is defined and wikitcms_password is defined"
   tags:
   - config
 
@@ -59,6 +65,7 @@
 
 - name: Enable fedmsg consumer
   template: src=relvalconsumer.py.j2 dest=/etc/fedmsg.d/relvalconsumer.py owner=root group=root mode=0644
+  when: "wikitcms_user is defined and wikitcms_password is defined"
   notify:
   - restart fedmsg-hub
   tags: