Merge pull request #2839 from edx/jsa/creds-update

add credentials to /edx/bin/update

playbooks/roles/edx_ansible/templates/update.j2

@@ -12,7 +12,7 @@ IFS=","
             -v        add verbosity to edx_ansible run
             -h        this
 
-    <repo> - must be one of edx-platform, edx-workers, xqueue, cs_comments_service, xserver, configuration, read-only-certificate-code, edx-analytics-data-api, edx-ora2, insights, ecommerce, programs, course_discovery
+    <repo> - must be one of edx-platform, edx-workers, xqueue, cs_comments_service, credentials, xserver, configuration, read-only-certificate-code, edx-analytics-data-api, edx-ora2, insights, ecommerce, programs, course_discovery
     <version> - can be a commit or tag
 
 EO
@@ -48,6 +48,7 @@ edx_ansible_cmd="{{ edx_ansible_venv_bin }}/ansible-playbook -i localhost, -c lo
 repos_to_cmd["edx-platform"]="$edx_ansible_cmd edxapp.yml -e 'edx_platform_version=$2'"
 repos_to_cmd["edx-workers"]="$edx_ansible_cmd edxapp.yml -e 'edx_platform_version=$2' -e 'celery_worker=true'"
 repos_to_cmd["xqueue"]="$edx_ansible_cmd xqueue.yml -e 'xqueue_version=$2' -e 'elb_pre_post=false'"
+repos_to_cmd["credentials"]="$edx_ansible_cmd credentials.yml -e 'credentials_version=$2'"
 repos_to_cmd["cs_comments_service"]="$edx_ansible_cmd forum.yml -e 'forum_version=$2'"
 repos_to_cmd["xserver"]="$edx_ansible_cmd xserver.yml -e 'xserver_version=$2'"
 repos_to_cmd["configuration"]="$edx_ansible_cmd edx_ansible.yml -e 'configuration_version=$2'"