Enable unified mode for custom resources

[chef.git] / cookbooks / postgresql / resources / table.rb

diff --git a/cookbooks/postgresql/resources/table.rb b/cookbooks/postgresql/resources/table.rb
index 9bf1fe1cd037e0f1c9dcff7c1e6f57c1875f28d2..f97417895e6780b2a290657a3e77dfe955719032 100644 (file)
--- a/cookbooks/postgresql/resources/table.rb
+++ b/cookbooks/postgresql/resources/table.rb
@@ -1,14 +1,14 @@
 #
-# Cookbook Name:: postgresql
+# Cookbook:: postgresql
 # Resource:: postgresql_table
 #
-# Copyright 2013, OpenStreetMap Foundation
+# Copyright:: 2013, OpenStreetMap Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-# http://www.apache.org/licenses/LICENSE-2.0
+# https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -17,12 +17,81 @@
 # limitations under the License.
 #
 
-actions :create, :drop
+unified_mode true
+
 default_action :create
 
-attribute :table, :kind_of => String, :name_attribute => true
-attribute :cluster, :kind_of => String, :required => true
-attribute :database, :kind_of => String, :required => true
-attribute :schema, :kind_of => String, :default => "public"
-attribute :owner, :kind_of => String, :required => true
-attribute :permissions, :kind_of => Hash, :default => {}
+property :table, :kind_of => String, :name_property => true
+property :cluster, :kind_of => String, :required => true
+property :database, :kind_of => String, :required => true
+property :schema, :kind_of => String, :default => "public"
+property :owner, :kind_of => String, :required => [:create]
+property :permissions, :kind_of => Hash, :default => {}
+
+action :create do
+  if tables.include?(qualified_name)
+    if new_resource.owner != tables[qualified_name][:owner]
+      converge_by("set owner for #{new_resource} to #{new_resource.owner}") do
+        Chef::Log.info("Setting owner for #{new_resource} to #{new_resource.owner}")
+        cluster.execute(:command => "ALTER TABLE #{qualified_name} OWNER TO \"#{new_resource.owner}\"", :database => new_resource.database)
+      end
+    end
+
+    tables[qualified_name][:permissions].each_key do |user|
+      next if new_resource.permissions[user]
+
+      converge_by("revoke all for #{user} on #{new_resource}") do
+        Chef::Log.info("Revoking all for #{user} on #{new_resource}")
+        cluster.execute(:command => "REVOKE ALL ON #{qualified_name} FROM \"#{user}\"", :database => new_resource.database)
+      end
+    end
+
+    new_resource.permissions.each do |user, new_privileges|
+      current_privileges = tables[qualified_name][:permissions][user] || {}
+      new_privileges = Array(new_privileges)
+
+      if new_privileges.include?(:all)
+        new_privileges |= OpenStreetMap::PostgreSQL::TABLE_PRIVILEGES
+      end
+
+      OpenStreetMap::PostgreSQL::TABLE_PRIVILEGES.each do |privilege|
+        if new_privileges.include?(privilege)
+          unless current_privileges.include?(privilege)
+            converge_by("grant #{privilege} for #{user} on #{new_resource}") do
+              Chef::Log.info("Granting #{privilege} for #{user} on #{new_resource}")
+              cluster.execute(:command => "GRANT #{privilege.to_s.upcase} ON #{qualified_name} TO \"#{user}\"", :database => new_resource.database)
+            end
+          end
+        elsif current_privileges.include?(privilege)
+          converge_by("revoke #{privilege} for #{user} on #{new_resource}") do
+            Chef::Log.info("Revoking #{privilege} for #{user} on #{new_resource}")
+            cluster.execute(:command => "REVOKE #{privilege.to_s.upcase} ON #{qualified_name} FROM \"#{user}\"", :database => new_resource.database)
+          end
+        end
+      end
+    end
+  end
+end
+
+action :drop do
+  if tables.include?(qualified_name)
+    converge_by("drop #{new_resource}") do
+      Chef::Log.info("Dropping #{new_resource}")
+      cluster.execute(:command => "DROP TABLE #{qualified_name}", :database => new_resource.database)
+    end
+  end
+end
+
+action_class do
+  def cluster
+    @cluster ||= OpenStreetMap::PostgreSQL.new(new_resource.cluster)
+  end
+
+  def tables
+    @tables ||= cluster.tables(new_resource.database)
+  end
+
+  def qualified_name
+    "#{new_resource.schema}.#{new_resource.name}"
+  end
+end