cookbooks/postgresql/providers/database.rb

   1 #
   2 # Cookbook Name:: postgresql
   3 # Provider:: postgresql_database
   4 #
   5 # Copyright 2012, 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 use_inline_resources
  21
  22 def load_current_resource
  23   @pg = Chef::PostgreSQL.new(new_resource.cluster)
  24
  25   @current_resource = Chef::Resource::PostgresqlDatabase.new(new_resource.name)
  26   @current_resource.database(new_resource.database)
  27   @current_resource.cluster(new_resource.cluster)
  28   if (pg_database = @pg.databases[@current_resource.database])
  29     @current_resource.owner(pg_database[:owner])
  30     @current_resource.encoding(pg_database[:encoding])
  31     @current_resource.encoding(pg_database[:collate])
  32     @current_resource.encoding(pg_database[:ctype])
  33   end
  34   @current_resource
  35 end
  36
  37 action :create do
  38   if !@pg.databases.include?(new_resource.database)
  39     converge_by "create database #{new_resource.database}" do
  40       @pg.execute(:command => "CREATE DATABASE \"#{new_resource.database}\" OWNER \"#{new_resource.owner}\" TEMPLATE template0 ENCODING '#{new_resource.encoding}' LC_COLLATE '#{new_resource.collation}' LC_CTYPE '#{new_resource.ctype}'")
  41     end
  42   elsif new_resource.owner != @current_resource.owner
  43     converge_by "alter database #{new_resource.database}" do
  44       @pg.execute(:command => "ALTER DATABASE \"#{new_resource.database}\" OWNER TO \"#{new_resource.owner}\"")
  45     end
  46   end
  47 end
  48
  49 action :drop do
  50   if @pg.databases.include?(new_resource.database)
  51     converge_by "drop database #{new_resource.database}" do
  52       @pg.execute(:command => "DROP DATABASE \"#{new_resource.database}\"")
  53     end
  54   end
  55 end