Change SaltStack updates repository and deploy openstack job

The commit changes current salstack update settings to target to the
newly created salt 2017.7.8 repository. Also this introduces a new option
in the "Deploy Openstack" jenkins job to control whether to update
salt packages.

Closes-Bug: PROD-35233
Closes-Bug: PROD-35355
Change-Id: Idb85175eab5a0c423f6b0e15d5ea35b3e156f209
diff --git a/defaults/linux_system_repo.yml b/defaults/linux_system_repo.yml
index 07e96d2..9e38acf 100644
--- a/defaults/linux_system_repo.yml
+++ b/defaults/linux_system_repo.yml
@@ -39,7 +39,7 @@
     linux_system_repo_hotfix_mcp_percona_url: ${_param:linux_system_repo_hotfix_url}/percona/
     #
     linux_system_repo_mcp_saltstack_url: ${_param:linux_system_repo_url}/saltstack-${_param:linux_system_repo_mcp_saltstack_version_number}/
-    linux_system_repo_update_mcp_saltstack_url: ${_param:linux_system_repo_update_url}/saltstack-${_param:linux_system_repo_mcp_saltstack_version_number}/
+    linux_system_repo_update_mcp_saltstack_url: ${_param:linux_system_repo_update_url}/salt-2017.7.8/
     linux_system_repo_hotfix_mcp_saltstack_url: ${_param:linux_system_repo_hotfix_url}/saltstack-${_param:linux_system_repo_mcp_saltstack_version_number}/
     #
     linux_system_repo_mcp_extra_url: ${_param:linux_system_repo_url}/extra/
diff --git a/jenkins/client/job/deploy/openstack.yml b/jenkins/client/job/deploy/openstack.yml
index 6bbbffa..ae63040 100644
--- a/jenkins/client/job/deploy/openstack.yml
+++ b/jenkins/client/job/deploy/openstack.yml
@@ -33,6 +33,10 @@
               type: boolean
               default: 'false'
               description: 'Whether to run "apt-get dist-upgrade" on all nodes in cluster before deployment'
+            UPGRADE_SALTSTACK:
+              type: boolean
+              default: 'false'
+              description: 'Whether to install recent available saltstack packages'
             # salt master
             SALT_MASTER_CREDENTIALS:
               type: string