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[chef.git] / cookbooks / postgresql / resources / table.rb
1 #
2 # Cookbook:: postgresql
3 # Resource:: postgresql_table
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 # https://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 default_action :create
21
22 property :table, :kind_of => String, :name_property => true
23 property :cluster, :kind_of => String, :required => true
24 property :database, :kind_of => String, :required => true
25 property :schema, :kind_of => String, :default => "public"
26 property :owner, :kind_of => String, :required => true
27 property :permissions, :kind_of => Hash, :default => {}
28
29 action :create do
30   if tables.include?(qualified_name)
31     if new_resource.owner != tables[qualified_name][:owner]
32       converge_by("set owner for #{new_resource} to #{new_resource.owner}") do
33         Chef::Log.info("Setting owner for #{new_resource} to #{new_resource.owner}")
34         cluster.execute(:command => "ALTER TABLE #{qualified_name} OWNER TO \"#{new_resource.owner}\"", :database => new_resource.database)
35       end
36     end
37
38     tables[qualified_name][:permissions].each_key do |user|
39       next if new_resource.permissions[user]
40
41       converge_by("revoke all for #{user} on #{new_resource}") do
42         Chef::Log.info("Revoking all for #{user} on #{new_resource}")
43         cluster.execute(:command => "REVOKE ALL ON #{qualified_name} FROM \"#{user}\"", :database => new_resource.database)
44       end
45     end
46
47     new_resource.permissions.each do |user, new_privileges|
48       current_privileges = tables[qualified_name][:permissions][user] || {}
49       new_privileges = Array(new_privileges)
50
51       if new_privileges.include?(:all)
52         new_privileges |= OpenStreetMap::PostgreSQL::TABLE_PRIVILEGES
53       end
54
55       OpenStreetMap::PostgreSQL::TABLE_PRIVILEGES.each do |privilege|
56         if new_privileges.include?(privilege)
57           unless current_privileges.include?(privilege)
58             converge_by("grant #{privilege} for #{user} on #{new_resource}") do
59               Chef::Log.info("Granting #{privilege} for #{user} on #{new_resource}")
60               cluster.execute(:command => "GRANT #{privilege.to_s.upcase} ON #{qualified_name} TO \"#{user}\"", :database => new_resource.database)
61             end
62           end
63         elsif current_privileges.include?(privilege)
64           converge_by("revoke #{privilege} for #{user} on #{new_resource}") do
65             Chef::Log.info("Revoking #{privilege} for #{user} on #{new_resource}")
66             cluster.execute(:command => "REVOKE #{privilege.to_s.upcase} ON #{qualified_name} FROM \"#{user}\"", :database => new_resource.database)
67           end
68         end
69       end
70     end
71   end
72 end
73
74 action :drop do
75   if tables.include?(qualified_name)
76     converge_by("drop #{new_resource}") do
77       Chef::Log.info("Dropping #{new_resource}")
78       cluster.execute(:command => "DROP TABLE #{qualified_name}", :database => new_resource.database)
79     end
80   end
81 end
82
83 action_class do
84   def cluster
85     @cluster ||= OpenStreetMap::PostgreSQL.new(new_resource.cluster)
86   end
87
88   def tables
89     @tables ||= cluster.tables(new_resource.database)
90   end
91
92   def qualified_name
93     "#{new_resource.schema}.#{new_resource.name}"
94   end
95 end