X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/3a4b1c2078cd515e93a5f1bf8967f380fbd1646f..6a6563b55fb0318323d067d82d0031f578bff68a:/cookbooks/mysql/libraries/mysql.rb

diff --git a/cookbooks/mysql/libraries/mysql.rb b/cookbooks/mysql/libraries/mysql.rb
index bc5dd3350..61d600f1d 100644
--- a/cookbooks/mysql/libraries/mysql.rb
+++ b/cookbooks/mysql/libraries/mysql.rb
@@ -11,14 +11,14 @@ class Chef
       :show_db, :super, :create_tmp_table, :lock_tables, :execute,
       :repl_slave, :repl_client, :create_view, :show_view, :create_routine,
       :alter_routine, :create_user, :event, :trigger, :create_tablespace
-    ]
+    ].freeze
 
     DATABASE_PRIVILEGES = [
       :select, :insert, :update, :delete, :create, :drop, :grant,
       :references, :index, :alter, :create_tmp_table, :lock_tables,
       :create_view, :show_view, :create_routine, :alter_routine,
       :execute, :event, :trigger
-    ]
+    ].freeze
 
     def execute(options)
       # Create argument array
@@ -87,34 +87,31 @@ class Chef
     end
 
     def users
-      @users ||= query("SELECT * FROM user").inject({}) do |users, user|
+      @users ||= query("SELECT * FROM user").each_with_object({}) do |user, users|
         name = "'#{user[:user]}'@'#{user[:host]}'"
 
-        users[name] = USER_PRIVILEGES.inject({}) do |privileges, privilege|
+        users[name] = USER_PRIVILEGES.each_with_object({}) do |privilege, privileges|
           privileges[privilege] = user["#{privilege}_priv".to_sym] == "Y"
-          privileges
         end
-
-        users
       end
     end
 
     def databases
-      @databases ||= query("SHOW databases").inject({}) do |databases, database|
+      @databases ||= query("SHOW databases").each_with_object({}) do |database, databases|
         databases[database[:database]] = {
           :permissions => {}
         }
-        databases
       end
 
       query("SELECT * FROM db").each do |record|
-        if database = @databases[record[:db]]
-          user = "'#{record[:user]}'@'#{record[:host]}'"
+        database = @databases[record[:db]]
+
+        next unless database
+
+        user = "'#{record[:user]}'@'#{record[:host]}'"
 
-          database[:permissions][user] = DATABASE_PRIVILEGES.inject([]) do |privileges, privilege|
-            privileges << privilege if record["#{privilege}_priv".to_sym] == "Y"
-            privileges
-          end
+        database[:permissions][user] = DATABASE_PRIVILEGES.each_with_object([]) do |privilege, privileges|
+          privileges << privilege if record["#{privilege}_priv".to_sym] == "Y"
         end
       end