Add postgresql_sequence for managing sequences

[chef.git] / cookbooks / postgresql / libraries / postgresql.rb

diff --git a/cookbooks/postgresql/libraries/postgresql.rb b/cookbooks/postgresql/libraries/postgresql.rb
index 70d38135b7cbfa9c69cc32807f84325368b494d1..9a53331dd017b6a8046c2de3200357b79d39e8c9 100644 (file)
--- a/cookbooks/postgresql/libraries/postgresql.rb
+++ b/cookbooks/postgresql/libraries/postgresql.rb
@@ -1,6 +1,6 @@
 require "chef/mixin/shell_out"
 
-class Chef
+module OpenStreetMap
   class PostgreSQL
     include Chef::Mixin::ShellOut
 
@@ -8,10 +8,18 @@ class Chef
       :select, :insert, :update, :delete, :truncate, :references, :trigger
     ].freeze
 
+    SEQUENCE_PRIVILEGES = [
+      :usage, :select, :update
+    ].freeze
+
     def initialize(cluster)
       @cluster = cluster
     end
 
+    def version
+      @cluster.split("/").first.to_f
+    end
+
     def execute(options)
       # Create argument array
       args = []
@@ -108,7 +116,7 @@ class Chef
 
     def tables(database)
       @tables ||= {}
-      @tables[database] ||= query("SELECT n.nspname, c.relname, u.usename, c.relacl FROM pg_class AS c INNER JOIN pg_user AS u ON c.relowner = u.usesysid INNER JOIN pg_namespace AS n ON c.relnamespace = n.oid", :database => database).each_with_object({}) do |table, tables|
+      @tables[database] ||= query("SELECT n.nspname, c.relname, u.usename, c.relacl FROM pg_class AS c INNER JOIN pg_user AS u ON c.relowner = u.usesysid INNER JOIN pg_namespace AS n ON c.relnamespace = n.oid WHERE c.relkind = 'r'", :database => database).each_with_object({}) do |table, tables|
         name = "#{table[:nspname]}.#{table[:relname]}"
 
         tables[name] = {
@@ -118,6 +126,18 @@ class Chef
       end
     end
 
+    def sequences(database)
+      @sequences ||= {}
+      @sequences[database] ||= query("SELECT n.nspname, c.relname, u.usename, c.relacl FROM pg_class AS c INNER JOIN pg_user AS u ON c.relowner = u.usesysid INNER JOIN pg_namespace AS n ON c.relnamespace = n.oid WHERE c.relkind = 'S'", :database => database).each_with_object({}) do |sequence, sequences|
+        name = "#{sequence[:nspname]}.#{sequence[:relname]}"
+
+        sequences[name] = {
+          :owner => sequence[:usename],
+          :permissions => parse_acl(sequence[:relacl] || "{}")
+        }
+      end
+    end
+
     private
 
     def parse_acl(acl)