Refresh influxdb priority and repo

   * refresh apt_mirantis/influxdb.yml to common logic
   * fix priority for mcp/extra.yml
     - we need to setup telegraph from it, but not from influxdb 3pp repo

Change-Id: I3c865fa9a29be642a49432030f3789cb617b3e08
Closes-Bug: PROD-21576 (PROD:21576)
diff --git a/linux/system/repo/mcp/apt_mirantis/influxdb.yml b/linux/system/repo/mcp/apt_mirantis/influxdb.yml
index e6ebcb3..f5f4c90 100644
--- a/linux/system/repo/mcp/apt_mirantis/influxdb.yml
+++ b/linux/system/repo/mcp/apt_mirantis/influxdb.yml
@@ -1,13 +1,18 @@
+classes:
+- system.linux.system.repo.keystorage.influxdb
 parameters:
   _param:
     apt_mk_version: stable
-    linux_system_repo_mcp_influxdb_version: ${_param:apt_mk_version}
+    linux_system_repo_url: http://mirror.mirantis.com/${_param:apt_mk_version}/
+    linux_system_repo_mcp_influxdb_url: ${_param:linux_system_repo_url}/influxdb/
   linux:
     system:
       repo:
         mcp_influxdb:
-          source: "deb [arch=amd64] http://mirror.mirantis.com/${_param:linux_system_repo_mcp_influxdb_version}/influxdb/${_param:linux_system_codename}/ ${_param:linux_system_codename} stable"
+          source: "deb [arch=amd64] ${_param:linux_system_repo_mcp_influxdb_url}/${_param:linux_system_codename}/ ${_param:linux_system_codename} stable"
           architectures: amd64
-          key_id: 684A14CF2582E0C5
-          key_server: keyserver.ubuntu.com
           clean_file: true
+          pin:
+          - pin: 'release l=InfluxDB'
+            priority: 1100
+            package: '*'