rubocop: Enable Metrics cops

.rubocop.yml

@@ -68,8 +68,5 @@ RSpec/MultipleExpectations:
 RSpec/NestedGroups:
   Max: 4
 
-Metrics:
-  Enabled: false
-
 Style:
   Enabled: false

.rubocop_todo.yml

@@ -62,6 +62,44 @@ Lint/UselessAssignment:
     - 'lib/beaker/dsl/helpers/host_helpers.rb'
     - 'lib/beaker/logger_junit.rb'
 
+# Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
+Metrics/AbcSize:
+  Max: 134
+
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns, inherit_mode.
+# AllowedMethods: refine
+Metrics/BlockLength:
+  Max: 233
+
+# Configuration parameters: CountBlocks.
+Metrics/BlockNesting:
+  Max: 4
+
+# Configuration parameters: CountComments, CountAsOne.
+Metrics/ClassLength:
+  Max: 346
+
+# Configuration parameters: AllowedMethods, AllowedPatterns.
+Metrics/CyclomaticComplexity:
+  Max: 24
+
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
+Metrics/MethodLength:
+  Max: 236
+
+# Configuration parameters: CountComments, CountAsOne.
+Metrics/ModuleLength:
+  Max: 650
+
+# Configuration parameters: CountKeywordArgs.
+Metrics/ParameterLists:
+  MaxOptionalParameters: 4
+  Max: 6
+
+# Configuration parameters: AllowedMethods, AllowedPatterns.
+Metrics/PerceivedComplexity:
+  Max: 27
+
 # Configuration parameters: ForbiddenDelimiters.
 # ForbiddenDelimiters: (?i-mx:(^|\s)(EO[A-Z]{1}|END)(\s|$))
 Naming/HeredocDelimiterNaming:
@@ -236,4 +274,4 @@ Security/Open:
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, AllowedPatterns.
 # URISchemes: http, https
 Layout/LineLength:
-  Max: 226
+  Max: 225