cookbooks/mysql/providers/database.rb

   1 #
   2 # Cookbook Name:: mysql
   3 # Provider:: mysql_database
   4 #
   5 # Copyright 2013, OpenStreetMap Foundation
   6 #
   7 # Licensed under the Apache License, Version 2.0 (the "License");
   8 # you may not use this file except in compliance with the License.
   9 # You may obtain a copy of the License at
  10 #
  11 #     http://www.apache.org/licenses/LICENSE-2.0
  12 #
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS,
  15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 # See the License for the specific language governing permissions and
  17 # limitations under the License.
  18 #
  19
  20 def load_current_resource
  21   @mysql = Chef::MySQL.new
  22
  23   @current_resource = Chef::Resource::MysqlDatabase.new(new_resource.name)
  24   @current_resource.database(new_resource.database)
  25   if mysql_database = @mysql.databases[@current_resource.database]
  26     @current_resource.permissions(mysql_database[:permissions])
  27   end
  28   @current_resource
  29 end
  30
  31 action :create do
  32   unless @mysql.databases.include?(new_resource.database)
  33     converge_by("create #{new_resource}") do
  34       Chef::Log.info("Creating #{new_resource}")
  35       @mysql.execute(:command => "CREATE DATABASE `#{new_resource.database}`")
  36     end
  37   end
  38
  39   new_permissions = Hash[new_resource.permissions.collect do |user, privileges|
  40     [@mysql.canonicalise_user(user), privileges]
  41   end]
  42
  43   @current_resource.permissions.each_key do |user|
  44     next if new_permissions[user]
  45
  46     converge_by("revoke all for #{user} on #{new_resource}") do
  47       Chef::Log.info("Revoking all for #{user} on #{new_resource}")
  48       @mysql.execute(:command => "REVOKE ALL ON `#{new_resource.database}`.* FROM #{user}")
  49     end
  50   end
  51
  52   new_permissions.each do |user, new_privileges|
  53     current_privileges = @current_resource.permissions[user] || {}
  54     new_privileges = Array(new_privileges)
  55
  56     if new_privileges.include?(:all)
  57       new_privileges |= (Chef::MySQL::DATABASE_PRIVILEGES - [:grant])
  58     end
  59
  60     Chef::MySQL::DATABASE_PRIVILEGES.each do |privilege|
  61       if new_privileges.include?(privilege)
  62         unless current_privileges.include?(privilege)
  63           converge_by("grant #{privilege} for #{user} on mysql database #{new_resource}") do
  64             Chef::Log.info("Granting #{privilege} for #{user} on mysql database #{new_resource}")
  65             @mysql.execute(:command => "GRANT #{@mysql.privilege_name(privilege)} ON `#{new_resource.database}`.* TO #{user}")
  66           end
  67         end
  68       else
  69         if current_privileges.include?(privilege)
  70           converge_by("revoke #{privilege} for #{user} on #{new_resource}") do
  71             Chef::Log.info("Revoking #{privilege} for #{user} on #{new_resource}")
  72             @mysql.execute(:command => "REVOKE #{@mysql.privilege_name(privilege)} ON `#{new_resource.database}`.* FROM #{user}")
  73           end
  74         end
  75       end
  76     end
  77   end
  78 end
  79
  80 action :drop do
  81   if @mysql.databases.include?(new_resource.database)
  82     converge_by("drop #{new_resource}") do
  83       Chef::Log.info("Dropping #{new_resource}")
  84       @mysql.execute(:command => "DROP DATABASE `#{new_resource.database}`")
  85     end
  86   end
  87 end