Enable yamllint checks

- brackets
- braces
- colon
- commas
- comments
- key-duplicates

with corresponding code adjustment.

Also removes x flag from yamls for ranger and ranger-agent charts.

Change-Id: I156b991ba6e17b6f9e1f128295362c0675afd8cc

ranger-agent/values.yaml

@@ -605,10 +605,10 @@ conf:
       - vhost: "ranger-agent"
         name: "ha_ttl_ranger_agent"
         definition:
-          #mirror messges to other nodes in rmq cluster
+          # mirror messges to other nodes in rmq cluster
           ha-mode: "all"
           ha-sync-mode: "automatic"
-          #70s
+          # 70s
           message-ttl: 70000
         priority: 0
         apply-to: all

yamllint.conf

@@ -6,16 +6,11 @@ yaml-files:
 - '.yamllint'
 
 rules:
-  braces:
-    level: warning
-  brackets:
-    level: warning
-  colons:
-    level: warning
-  commas:
-    level: warning
-  comments:
-    level: warning
+  braces: enable
+  brackets: enable
+  colons: enable
+  commas: enable
+  comments: enable
   comments-indentation:
     level: warning
   document-end:
@@ -32,8 +27,7 @@ rules:
     spaces: 2
     indent-sequences: whatever
     level: warning
-  key-duplicates:
-    level: warning
+  key-duplicates: enable
   key-ordering: disable
   line-length: disable
   new-line-at-end-of-file: