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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 do |user,privileges|
44     unless new_permissions[user]
45       converge_by("revoke all for #{user} on #{new_resource}") do
46         Chef::Log.info("Revoking all for #{user} on #{new_resource}")
47         @mysql.execute(:command => "REVOKE ALL ON `#{new_resource.database}`.* FROM #{user}")
48       end
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