use single quotes

lib/resources/auditd_conf.rb

@@ -16,7 +16,7 @@ class AuditDaemonConf < Vulcano.resource(1)
   end
 
   def to_s
-    "audit daemon configuration file"
+    'audit daemon configuration file'
   end
 
   def method_missing(name)

lib/resources/auditd_rules.rb

@@ -6,7 +6,7 @@ class AuditDaemonRules < Vulcano.resource(1)
   name 'audit_daemon_rules'
 
   def initialize
-    @content = vulcano.run_command("/sbin/auditctl -l").stdout.chomp
+    @content = vulcano.run_command('/sbin/auditctl -l').stdout.chomp
 
     @opts = {
       assignment_re: /^\s*([^:]*?)\s*:\s*(.*?)\s*$/,
@@ -27,7 +27,7 @@ class AuditDaemonRules < Vulcano.resource(1)
       assignment_re: /^\s*([^:]*?)\s*:\s*(.*?)\s*$/,
       multiple_values: false
     }
-    @status_content ||= vulcano.run_command("/sbin/auditctl -s").stdout.chomp
+    @status_content ||= vulcano.run_command('/sbin/auditctl -s').stdout.chomp
     @status_params = SimpleConfig.new(@status_content, @status_opts).params
     status = @status_params['AUDIT_STATUS']
     if (status == nil) then return nil end

lib/resources/inetd_conf.rb

@@ -16,7 +16,7 @@ class InetdConf < Vulcano.resource(1)
   end
 
   def to_s
-    "inetd_conf"
+    'inetd_conf'
   end
 
   def method_missing(name)

lib/resources/limits_conf.rb

@@ -16,7 +16,7 @@ class LimitsConf < Vulcano.resource(1)
   end
 
   def to_s
-    "limits_conf"
+    'limits_conf'
   end
 
   def method_missing(name)

lib/resources/login_def.rb

@@ -16,7 +16,7 @@ class LoginDef < Vulcano.resource(1)
   end
 
   def to_s
-    "login_def"
+    'login_def'
   end
 
   def method_missing(name)

lib/resources/mysql_conf.rb

@@ -56,7 +56,7 @@ class MysqlConf < Vulcano.resource(1)
   end
 
   def read_content
-    @content = ""
+    @content = ''
     @params = {}
 
     # skip if the main configuration file doesn't exist

lib/resources/ntp_conf.rb

@@ -16,7 +16,7 @@ class NtpConf < Vulcano.resource(1)
   end
 
   def to_s
-    "ntp_conf"
+    'ntp_conf'
   end
 
   def method_missing(name)

lib/resources/passwd.rb

@@ -71,13 +71,13 @@ class Passwd < Vulcano.resource(1)
   def users
     @parsed.map {|x|
       {
-        "name" => x.at(0),
-        "password" => x.at(1),
-        "uid" => x.at(2),
-        "gid" => x.at(3),
-        "desc" => x.at(4),
-        "home" => x.at(5),
-        "shell" => x.at(6)
+        'name' => x.at(0),
+        'password' => x.at(1),
+        'uid' => x.at(2),
+        'gid' => x.at(3),
+        'desc' => x.at(4),
+        'home' => x.at(5),
+        'shell' => x.at(6)
       }
     }
   end

lib/resources/postgres_conf.rb

@@ -32,7 +32,7 @@ class PostgresConf < Vulcano.resource(1)
   end
 
   def read_content
-    @content = ""
+    @content = ''
     @params = {}
 
     # skip if the main configuration file doesn't exist

lib/resources/postgres_session.rb

@@ -39,7 +39,7 @@ class PostgresSession
        out.downcase =~ /^error/
       # skip this test if the server can't run the query
       RSpec.describe( cmd ) do
-        it "is skipped", skip: out do
+        it 'is skipped', skip: out do
         end
       end
     else

lib/resources/security_policy.rb

@@ -45,7 +45,7 @@ class SecurityPolicy < Vulcano.resource(1)
 
     # find line with key
     key = method.to_s
-    target = ""
+    target = ''
     @@policy.each_line {|s|
       target = s.strip if s.match(/\b#{key}\s*=\s*(.*)\b/)
     }

lib/verify/dummy.rb

@@ -14,8 +14,8 @@ module DummyTestTypes
 
   def command(sth)
     res = OpenStruct.new
-    res.stdout = ""
-    res.stderr = ""
+    res.stdout = ''
+    res.stderr = ''
     res
   end
 end

lib/verify/metadata.rb

@@ -40,12 +40,12 @@ module Vulcano
       is_valid = true
       err =  lambda{|msg| @log.error msg; is_valid = false }
       warn = lambda{|msg| @log.warn msg;  is_valid = false }
-      err.("Missing profile name in vmetadata.rb") if @dict['name'].nil?
-      err.("Missing profile title in vmetadata.rb") if @dict['title'].nil?
-      err.("Missing profile version in vmetadata.rb") if @dict['version'].nil?
-      err.("Missing summary in vmetadata.rb") if @dict['summary'].nil?
-      warn.("Missing maintainer in vmetadata.rb") if @dict['maintainer'].nil?
-      warn.("Missing copyright in vmetadata.rb") if @dict['copyright'].nil?
+      err.('Missing profile name in vmetadata.rb') if @dict['name'].nil?
+      err.('Missing profile title in vmetadata.rb') if @dict['title'].nil?
+      err.('Missing profile version in vmetadata.rb') if @dict['version'].nil?
+      err.('Missing summary in vmetadata.rb') if @dict['summary'].nil?
+      warn.('Missing maintainer in vmetadata.rb') if @dict['maintainer'].nil?
+      warn.('Missing copyright in vmetadata.rb') if @dict['copyright'].nil?
       is_valid
     end
 

lib/verify/profiles.rb

@@ -29,11 +29,11 @@ module Vulcano
       if !File.directory? path
         return @log.error "This is not a folder: #{path}"
       else
-        @log.ok "Valid directory"
+        @log.ok 'Valid directory'
       end
 
       metadata = Metadata.for_path(path, @profile_id)
-      @log.ok "vmetadata.rb" unless metadata.nil? or !metadata.valid?
+      @log.ok 'vmetadata.rb' unless metadata.nil? or !metadata.valid?
 
       specs = Dir["#{path}/spec/*_spec.rb"]
       if specs.empty?

lib/verify/specfile.rb

@@ -95,9 +95,9 @@ module Vulcano
     def metadata
       header = @raw.sub(/^[^#].*\Z/m,'')
       {
-        "title" => mOr(header.match(/^# title: (.*)$/), @filename),
-        "copyright" => mOr(header.match(/^# copyright: (.*)$/), 'All rights reserved'),
-        "rules" => rules2dict(@rules)
+        'title' => mOr(header.match(/^# title: (.*)$/), @filename),
+        'copyright' => mOr(header.match(/^# copyright: (.*)$/), 'All rights reserved'),
+        'rules' => rules2dict(@rules)
       }
     end
 
@@ -115,10 +115,10 @@ module Vulcano
       d = nil
       d = rule.desc.gsub(/\s*\n\s*/, ' ').strip unless rule.desc.nil?
       {
-        "impact" => rule.impact,
-        "title"  => rule.title,
-        "desc"   => d,
-        "code"   => rule.instance_variable_get(:@__code)
+        'impact' => rule.impact,
+        'title'  => rule.title,
+        'desc'   => d,
+        'code'   => rule.instance_variable_get(:@__code)
       }
     end
 

lib/vulcano/backend.rb

@@ -31,7 +31,7 @@ module Vulcano
 
   def self.backend(version = 1)
     if version != 1
-      raise "Only backend version 1 is supported!"
+      fail 'Only backend version 1 is supported!'
     end
     Vulcano::Plugins::Backend
   end

lib/vulcano/backend/specinfra.rb

@@ -109,7 +109,7 @@ module Vulcano::Backends
         ssh_opts[:auth_methods].push('password')
       end
       if ssh_opts[:keys].empty? and ssh_opts[:password].nil?
-        raise "You must configure at least one authentication method" +
+        fail "You must configure at least one authentication method" +
           ": Password or key."
       end
 

lib/vulcano/base_rule.rb

@@ -6,7 +6,7 @@ class VulcanoBaseRule
   def initialize(id, opts, &block)
     @id = id
     @impact = nil
-    @__code = ""
+    @__code = ''
     @__block = block
     @title = nil
     @desc = nil

lib/vulcano/profile_context.rb

@@ -8,8 +8,8 @@ module Vulcano
     attr_reader :rules, :only_ifs
     def initialize(profile_id, backend, profile_registry: {}, only_ifs: [])
       if backend.nil?
-        raise "ProfileContext is initiated with a backend == nil. " +
-              "This is a backend error which must be fixed upstream."
+        fail 'ProfileContext is initiated with a backend == nil. ' +
+              'This is a backend error which must be fixed upstream.'
       end
 
       @profile_id = profile_id

vulcano.gemspec

@@ -4,25 +4,25 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'vulcano/version'
 
 Gem::Specification.new do |spec|
-  spec.name          = "vulcano"
+  spec.name          = 'vulcano'
   spec.version       = Vulcano::VERSION
-  spec.authors       = ["Dominik Richter"]
-  spec.email         = ["dominik@vulcanosec.com"]
+  spec.authors       = ['Dominik Richter']
+  spec.email         = ['dominik@vulcanosec.com']
   spec.summary       = %q{Validate Vulcano compliance checks.}
   spec.description   = %q{Validate Vulcano compliance checks.}
-  spec.homepage      = "https://github.com/..."
-  spec.license       = "Proprietary"
+  spec.homepage      = 'https://github.com/...'
+  spec.license       = 'Proprietary'
 
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
-  spec.require_paths = ["lib"]
+  spec.require_paths = ['lib']
 
-  spec.add_development_dependency "bundler", "~> 1.5"
-  spec.add_development_dependency "minitest", "~> 5.5"
-  spec.add_development_dependency "rspec", "~> 3.3"
-  spec.add_development_dependency "rake", "~> 10"
-  spec.add_development_dependency "pry", "~> 0.10"
+  spec.add_development_dependency 'bundler', '~> 1.5'
+  spec.add_development_dependency 'minitest', '~> 5.5'
+  spec.add_development_dependency 'rspec', '~> 3.3'
+  spec.add_development_dependency 'rake', '~> 10'
+  spec.add_development_dependency 'pry', '~> 0.10'
   spec.add_development_dependency 'rubocop', '~> 0.33.0'
 
   spec.add_dependency 'thor', '~> 0.19'