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 def load_current_resource
  21   @pg = Chef::PostgreSQL.new(new_resource.cluster)
  22
  23   @current_resource = Chef::Resource::PostgresqlDatabase.new(new_resource.name)
  24   @current_resource.database(new_resource.database)
  25   @current_resource.cluster(new_resource.cluster)
  26   if pg_database = @pg.databases[@current_resource.database]
  27     @current_resource.owner(pg_database[:owner])
  28     @current_resource.encoding(pg_database[:encoding])
  29   end
  30   @current_resource
  31 end
  32
  33 action :create do
  34   unless @pg.databases.include?(new_resource.database)
  35     @pg.execute(:command => "CREATE DATABASE #{new_resource.database} OWNER #{new_resource.owner} ENCODING '#{new_resource.encoding}'")
  36     new_resource.updated_by_last_action(true)
  37   else
  38     if new_resource.owner != @current_resource.owner
  39       @pg.execute(:command => "ALTER DATABASE #{new_resource.database} OWNER TO #{new_resource.owner}")
  40       new_resource.updated_by_last_action(true)
  41     end
  42   end
  43 end
  44
  45 action :drop do
  46   if @pg.databases.include?(new_resource.database)
  47     @pg.execute(:command => "DROP DATABASE #{new_resource.database}")
  48     new_resource.updated_by_last_action(true)
  49   end
  50 end