cookbooks/postgresql/providers/user.rb

   1 #
   2 # Cookbook Name:: postgresql
   3 # Provider:: postgresql_user
   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::PostgresqlUser.new(new_resource.name)
  24   @current_resource.user(new_resource.user)
  25   @current_resource.cluster(new_resource.cluster)
  26   if pg_user = @pg.users[@current_resource.user]
  27     @current_resource.superuser(pg_user[:superuser])
  28     @current_resource.createdb(pg_user[:createdb])
  29     @current_resource.createrole(pg_user[:createrole])
  30     @current_resource.replication(pg_user[:replication])
  31   end
  32   @current_resource
  33 end
  34
  35 action :create do
  36   password = new_resource.password ? "ENCRYPTED PASSWORD '#{new_resource.password}'" : ""
  37   superuser = new_resource.superuser ? "SUPERUSER" : "NOSUPERUSER"
  38   createdb = new_resource.createdb ? "CREATEDB" : "NOCREATEDB"
  39   createrole = new_resource.createrole ? "CREATEROLE" : "NOCREATEROLE"
  40   replication = new_resource.replication ? "REPLICATION" : "NOREPLICATION"
  41
  42   unless @pg.users.include?(new_resource.user)
  43     @pg.execute(:command => "CREATE ROLE \"#{new_resource.user}\" LOGIN #{password} #{superuser} #{createdb} #{createrole}")
  44     new_resource.updated_by_last_action(true)
  45   else
  46     if new_resource.superuser != @current_resource.superuser
  47       @pg.execute(:command => "ALTER ROLE \"#{new_resource.user}\" #{superuser}")
  48       new_resource.updated_by_last_action(true)
  49     end
  50
  51     unless new_resource.superuser
  52       if new_resource.createdb != @current_resource.createdb
  53         @pg.execute(:command => "ALTER ROLE \"#{new_resource.user}\" #{createdb}")
  54         new_resource.updated_by_last_action(true)
  55       end
  56
  57       if new_resource.createrole != @current_resource.createrole
  58         @pg.execute(:command => "ALTER ROLE \"#{new_resource.user}\" #{createrole}")
  59         new_resource.updated_by_last_action(true)
  60       end
  61
  62       if new_resource.replication != @current_resource.replication
  63         @pg.execute(:command => "ALTER ROLE \"#{new_resource.user}\" #{replication}")
  64         new_resource.updated_by_last_action(true)
  65       end
  66     end
  67   end
  68 end
  69
  70 action :drop do
  71   if @pg.users.include?(new_resource.user)
  72     @pg.execute(:command => "DROP ROLE \"#{new_resource.user}\"")
  73     new_resource.updated_by_last_action(true)
  74   end
  75 end