(maint) Fix rubocop offenses

This commit updates VM Pooler to fix any existing rubocop offenses and also
fixes any offenses in the lib/vmpooler.rb file.  This commit also regenerates
the Todo file.

.rubocop.yml

@@ -29,13 +29,15 @@ Metrics/PerceivedComplexity:
   Enabled: false
 Metrics/CyclomaticComplexity:
   Enabled: false
-#   - Long Methods, Classes and blocks
+#   - Long Methods, Classes, Blocks, and Modules
 Metrics/MethodLength:
   Enabled: false
 Metrics/ClassLength:
   Enabled: false
 Metrics/BlockLength:
   Enabled: false
+Metrics/ModuleLength:
+  Enabled: false
 
 
 # Either sytnax for regex is ok

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2017-02-10 13:29:15 -0800 using RuboCop version 0.47.1.
+# on 2017-03-02 20:16:29 -0800 using RuboCop version 0.47.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -51,11 +51,6 @@ Lint/UselessAssignment:
 Metrics/BlockNesting:
   Max: 5
 
-# Offense count: 1
-# Configuration parameters: CountComments.
-Metrics/ModuleLength:
-  Max: 289
-
 # Offense count: 1
 # Configuration parameters: CountKeywordArgs.
 Metrics/ParameterLists:
@@ -68,12 +63,6 @@ Performance/RedundantMatch:
     - 'lib/vmpooler/api/v1.rb'
     - 'lib/vmpooler/vsphere_helper.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-Security/YAMLLoad:
-  Exclude:
-    - 'lib/vmpooler.rb'
-
 # Offense count: 1
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle, SupportedStyles, IndentationWidth.
@@ -115,7 +104,7 @@ Style/CaseEquality:
   Exclude:
     - 'lib/vmpooler/api/helpers.rb'
 
-# Offense count: 12
+# Offense count: 13
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle, SupportedStyles, IndentOneStep, IndentationWidth.
 # SupportedStyles: case, end
@@ -125,14 +114,6 @@ Style/CaseIndentation:
     - 'lib/vmpooler/api/v1.rb'
     - 'lib/vmpooler/vsphere_helper.rb'
 
-# Offense count: 2
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, SupportedStyles.
-# SupportedStyles: is_a?, kind_of?
-Style/ClassCheck:
-  Exclude:
-    - 'lib/vmpooler.rb'
-
 # Offense count: 1
 # Cop supports --auto-correct.
 Style/ClosingParenthesisIndentation:
@@ -415,13 +396,12 @@ Style/SpaceAfterNot:
   Exclude:
     - 'lib/vmpooler/pool_manager.rb'
 
-# Offense count: 9
+# Offense count: 7
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle, SupportedStyles.
 # SupportedStyles: space, no_space
 Style/SpaceAroundEqualsInParameterDefault:
   Exclude:
-    - 'lib/vmpooler.rb'
     - 'lib/vmpooler/api/helpers.rb'
     - 'lib/vmpooler/pool_manager.rb'
     - 'lib/vmpooler/vsphere_helper.rb'
@@ -462,11 +442,10 @@ Style/SpaceInsideParens:
   Exclude:
     - 'lib/vmpooler/api/v1.rb'
 
-# Offense count: 4
+# Offense count: 2
 # Cop supports --auto-correct.
 Style/SpaceInsidePercentLiteralDelimiters:
   Exclude:
-    - 'lib/vmpooler.rb'
     - 'lib/vmpooler/api.rb'
 
 # Offense count: 47

lib/vmpooler.rb

@@ -12,7 +12,7 @@ module Vmpooler
   require 'yaml'
   require 'set'
 
-  %w( api graphite logger pool_manager vsphere_helper statsd dummy_statsd ).each do |lib|
+  %w(api graphite logger pool_manager vsphere_helper statsd dummy_statsd).each do |lib|
     begin
       require "vmpooler/#{lib}"
     rescue LoadError
@@ -20,12 +20,12 @@ module Vmpooler
     end
   end
 
-  def self.config(filepath='vmpooler.yaml')
+  def self.config(filepath = 'vmpooler.yaml')
     parsed_config = {}
 
     if ENV['VMPOOLER_CONFIG']
       # Load configuration from ENV
-      parsed_config = YAML.load(ENV['VMPOOLER_CONFIG'])
+      parsed_config = YAML.safe_load(ENV['VMPOOLER_CONFIG'])
     else
       # Load the configuration file from disk
       config_file = File.expand_path(filepath)
@@ -37,8 +37,8 @@ module Vmpooler
     if parsed_config[:auth]['provider'] == 'dummy'
       unless ENV['VMPOOLER_DEBUG']
         warning = [
-          "Dummy authentication should not be used outside of debug mode",
+          'Dummy authentication should not be used outside of debug mode',
-          "please set environment variable VMPOOLER_DEBUG to 'true' if you want to use dummy authentication",
+          'please set environment variable VMPOOLER_DEBUG to \'true\' if you want to use dummy authentication'
         ]
 
         raise warning.join(";\s")
@@ -60,13 +60,13 @@ module Vmpooler
     parsed_config[:pools].each do |pool|
       parsed_config[:pool_names] << pool['name']
       if pool['alias']
-        if pool['alias'].kind_of?(Array)
+        if pool['alias'].is_a?(Array)
           pool['alias'].each do |a|
             parsed_config[:alias] ||= {}
             parsed_config[:alias][a] = pool['name']
             parsed_config[:pool_names] << a
           end
-        elsif pool['alias'].kind_of?(String)
+        elsif pool['alias'].is_a?(String)
           parsed_config[:alias][pool['alias']] = pool['name']
           parsed_config[:pool_names] << pool['alias']
         end
@@ -83,7 +83,7 @@ module Vmpooler
     parsed_config
   end
 
-  def self.new_redis(host='localhost')
+  def self.new_redis(host = 'localhost')
     Redis.new(host: host)
   end
 

lib/vmpooler/pool_manager.rb

@@ -436,7 +436,7 @@ module Vmpooler
 
           unless maxloop.zero?
             break if loop_count >= maxloop
-            loop_count = loop_count + 1
+            loop_count += 1
           end
         end
       end
@@ -468,7 +468,7 @@ module Vmpooler
 
           unless maxloop.zero?
             break if loop_count >= maxloop
-            loop_count = loop_count + 1
+            loop_count += 1
           end
         end
       end
@@ -569,7 +569,7 @@ module Vmpooler
       finish
     end
 
-    def check_pool(pool,maxloop = 0, loop_delay = 5)
+    def check_pool(pool, maxloop = 0, loop_delay = 5)
       $logger.log('d', "[*] [#{pool['name']}] starting worker thread")
 
       $vsphere[pool['name']] ||= Vmpooler::VsphereHelper.new $config, $metrics
@@ -582,7 +582,7 @@ module Vmpooler
 
           unless maxloop.zero?
             break if loop_count >= maxloop
-            loop_count = loop_count + 1
+            loop_count += 1
           end
         end
       end
@@ -722,7 +722,7 @@ module Vmpooler
           if $redis.get('vmpooler__tasks__clone').to_i < $config[:config]['task_limit'].to_i
             begin
               $redis.incr('vmpooler__tasks__clone')
-              clone_vm(pool,vsphere)
+              clone_vm(pool, vsphere)
             rescue => err
               $logger.log('s', "[!] [#{pool['name']}] clone failed during check_pool with an error: #{err}")
               $redis.decr('vmpooler__tasks__clone')
@@ -773,7 +773,7 @@ module Vmpooler
 
         unless maxloop.zero?
           break if loop_count >= maxloop
-          loop_count = loop_count + 1
+          loop_count += 1
         end
       end
     end