Move elasticsearch and kibana version to defaults

Parametrize elasticsearch repo

Change-Id: I563b13bd310dae05a3a5e1b5690c708fbe7ef69c
Prod-Related: PROD-25627
diff --git a/defaults/init.yml b/defaults/init.yml
index e98e3ae..180f88e 100644
--- a/defaults/init.yml
+++ b/defaults/init.yml
@@ -15,6 +15,7 @@
 - system.defaults.gerrit
 - system.defaults.keepalived
 - system.defaults.salt
+- system.defaults.stacklight
 parameters:
   _param:
     mcp_version: stable
diff --git a/defaults/linux_system_repo.yml b/defaults/linux_system_repo.yml
index 880194f..06e5eec 100644
--- a/defaults/linux_system_repo.yml
+++ b/defaults/linux_system_repo.yml
@@ -14,7 +14,7 @@
     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-5.x/
+    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
diff --git a/defaults/stacklight.yml b/defaults/stacklight.yml
new file mode 100644
index 0000000..1abbb5e
--- /dev/null
+++ b/defaults/stacklight.yml
@@ -0,0 +1,5 @@
+parameters:
+  _param:
+    # ELK stack versions
+    elasticsearch_version: 5
+    kibana_version: 5