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     @current_resource.encoding(pg_database[:collate])
  30     @current_resource.encoding(pg_database[:ctype])
  31   end
  32   @current_resource
  33 end
  34
  35 action :create do
  36   if !@pg.databases.include?(new_resource.database)
  37     @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}'")
  38     new_resource.updated_by_last_action(true)
  39   else
  40     if new_resource.owner != @current_resource.owner
  41       @pg.execute(:command => "ALTER DATABASE \"#{new_resource.database}\" OWNER TO \"#{new_resource.owner}\"")
  42       new_resource.updated_by_last_action(true)
  43     end
  44   end
  45 end
  46
  47 action :drop do
  48   if @pg.databases.include?(new_resource.database)
  49     @pg.execute(:command => "DROP DATABASE \"#{new_resource.database}\"")
  50     new_resource.updated_by_last_action(true)
  51   end
  52 end