Add update|hotfix repo classes

  * extra
  * saltstack
  * ceph
  * percona
  * docker
  * mark as deprecated:
    - jenkins
    - docker_legacy
    - aptly
  * Misc: fix arch. variable

Change-Id: I24e3ae14ddc239fd07c2f3b622321538715cb157
Prod-releted: PROD-23765 (PROD:23765)
(cherry picked from commit 94d704c5c921df2405a9cfb58d97fff331ba9e10)
diff --git a/defaults/linux_system_repo.yml b/defaults/linux_system_repo.yml
index b38a11c..44abc9d 100644
--- a/defaults/linux_system_repo.yml
+++ b/defaults/linux_system_repo.yml
@@ -8,22 +8,34 @@
     # Global-hotfix
     linux_system_repo_hotfix_url: http://mirror.mirantis.com/hotfix/${_param:mcp_version}/
     # Per repos
-    linux_system_repo_mcp_aptly_url: ${_param:linux_system_repo_url}/aptly/
     linux_system_repo_mcp_cassandra_url: ${_param:linux_system_repo_url}/cassandra/
-    linux_system_repo_mcp_ceph_url: ${_param:linux_system_repo_url}/ceph-${_param:linux_system_repo_mcp_ceph_codename}/
-    linux_system_repo_mcp_docker_legacy_url: ${_param:linux_system_repo_url}/docker-1.x/
-    linux_system_repo_mcp_docker_url: ${_param:linux_system_repo_url}/docker/
     linux_system_repo_mcp_elasticsearch_curator_url: ${_param:linux_system_repo_url}/elasticsearch-curator-5/
     linux_system_repo_mcp_elasticsearch_url: ${_param:linux_system_repo_url}/elasticsearch-${_param:elasticsearch_version}.x/
-    linux_system_repo_mcp_extra_url: ${_param:linux_system_repo_url}/extra/
     linux_system_repo_mcp_glusterfs_url: ${_param:linux_system_repo_url}/glusterfs-${_param:linux_system_repo_mcp_glusterfs_version_number}/
-    linux_system_repo_mcp_influxdb_url: ${_param:linux_system_repo_url}/influxdb
-    linux_system_repo_mcp_jenkins_url: ${_param:linux_system_repo_url}/jenkins/
+    linux_system_repo_mcp_influxdb_url: ${_param:linux_system_repo_url}/influxdb/
     linux_system_repo_mcp_maas_url: ${_param:linux_system_repo_url}/maas/
-    linux_system_repo_mcp_percona_url: ${_param:linux_system_repo_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_mcp_fluentd_url: ${_param:linux_system_repo_url}/td-agent/
     #
+    linux_system_repo_mcp_docker_url: ${_param:linux_system_repo_url}/docker/
+    linux_system_repo_update_mcp_docker_url: ${_param:linux_system_repo_update_url}/docker/
+    linux_system_repo_hotfix_mcp_docker_url: ${_param:linux_system_repo_hotfix_url}/docker/
+    #
+    linux_system_repo_mcp_ceph_url: ${_param:linux_system_repo_url}/ceph-${_param:linux_system_repo_mcp_ceph_codename}/
+    linux_system_repo_update_mcp_ceph_url: ${_param:linux_system_repo_update_url}/ceph-${_param:linux_system_repo_mcp_ceph_codename}/
+    linux_system_repo_hotfix_mcp_ceph_url: ${_param:linux_system_repo_hotfix_url}/ceph-${_param:linux_system_repo_mcp_ceph_codename}/
+    #
+    linux_system_repo_mcp_percona_url: ${_param:linux_system_repo_url}/percona/
+    linux_system_repo_update_mcp_percona_url: ${_param:linux_system_repo_update_url}/percona/
+    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_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/
+    linux_system_repo_update_mcp_extra_url: ${_param:linux_system_repo_update_url}/extra/
+    linux_system_repo_hotfix_mcp_extra_url: ${_param:linux_system_repo_hotfix_url}/extra/
+    #
     linux_system_repo_mcp_salt_url: ${_param:linux_system_repo_url}/salt-formulas/
     linux_system_repo_update_mcp_salt_url: ${_param:linux_system_repo_update_url}/salt-formulas/
     linux_system_repo_hotfix_mcp_salt_url: ${_param:linux_system_repo_hotfix_url}/salt-formulas/
@@ -41,9 +53,14 @@
     linux_system_repo_hotfix_ubuntu_url: ${_param:linux_system_repo_hotfix_url}/ubuntu/
 
     # Repo-component versions (if applicable)
-    salt_version: 2017.7 # TODO should be deprecated after q4
+    salt_version: 2017.7 # TODO should be deprecated variable after 2018.q4
     linux_system_repo_mcp_cassandra_version: '21x'
     linux_system_repo_mcp_glusterfs_version_number: "3.8"
     linux_system_repo_mcp_saltstack_version_number: "${_param:salt_version}"
     linux_system_repo_mcp_ceph_codename: luminous
     linux_repo_contrail_component: oc40
+
+    # Deprecated since 2018.11.
+    linux_system_repo_mcp_aptly_url: ${_param:linux_system_repo_url}/aptly/
+    linux_system_repo_mcp_jenkins_url: ${_param:linux_system_repo_url}/jenkins/
+    linux_system_repo_mcp_docker_legacy_url: ${_param:linux_system_repo_url}/docker-1.x/