PG Contribs: added support for btree_gist and btree_gin indexes in Po…

…stgres 9.0 and 9.1

cookbooks/main/recipes/default.rb

@@ -80,10 +80,12 @@
 #require_recipe "newrelic_server_monitoring"
 
 #enable contrib modules for a given Postgresql database
-if ['solo','db_master', 'db_slave'].include?(node[:instance_role])
+# if ['solo','db_master', 'db_slave'].include?(node[:instance_role])
   # postgresql9_autoexplain "dbname"
-  # postgresql9_btree_gin "todosinatra"
-  postgresql9_chkpass "todosinatra"
+  # postgresql9_btree_gin "dbname"
+  # postgresql9_btree_gist "dbname"
+  # postgresql9_chkpass "dbname"
+
   # postgresql9_citext "dbname"
   # postgresql9_cube "dbname"
   # postgresql9_dblink "dbname"
@@ -108,4 +110,4 @@
   # postgresql9_pg_buffercache "postgres"
   # postgresql9_pg_freespacemap "postgres"
 
-end
+# end

cookbooks/postgresql9_extensions/README.md

@@ -40,20 +40,19 @@ extension applied to.
 
 
 ##btree_gist
-###supported versions: 9.1
-support for indexing common datatypes in GiST
-
+###supported versions: 9.0, 9.1
+This extension provides support for indexing common datatypes in GiST
 
 Enabling this extension: 
 
 * Edit main/recipes/default.rb and comment out the line shown below. Replace dbname with the name of the database you want this 
 extension applied to.
 
-``postgresql9_chkpass "dbname""``
+``postgresql9_btree_gist "dbname""``
 
 
 ##chkpass
-###supported versions: 9.0
+###supported versions: 9.0, 9.1
 This extension implements a data type chkpass that is designed for storing encrypted passwords. Each password is automatically converted 
 to encrypted form upon entry, and is always stored encrypted.
 

cookbooks/postgresql9_extensions/definitions/btree_gist.rb

@@ -0,0 +1,11 @@
+define :postgresql9_btree_gist do
+ dbname_to_use = params[:name]  
+
+  load_sql_file do 
+    db_name dbname_to_use
+    username "postgres"
+    extname "btree_gist"
+    supported_versions %w[9.0 9.1]
+  end
+
+end

cookbooks/postgresql9_extensions/definitions/load_sql_file.rb

@@ -3,15 +3,17 @@
   extname = params[:extname]
   supported_versions = params[:supported_versions]
 
+  Chef::Log.info "Loading to database #{db_name} extension #{extname} supported on versions: (#{supported_versions}). PG version installed is #{@node[:postgres_version]}"
+
   if @node[:postgres_version] == "9.0" && supported_versions.include?("9.0")
     execute "Postgresql loading contrib #{extname} on database #{db_name}" do
       command "psql -U postgres -d #{db_name} -f /usr/share/postgresql-9.0/contrib/#{extname}.sql"
     end
   elsif @node[:postgres_version] == "9.1" && supported_versions.include?("9.1")
       execute "Postgresql loading extension #{extname}" do
         command "psql -U postgres -d #{db_name} -c \"CREATE EXTENSION #{extname}\";"
-        not_if {"psql -U postgres -d #{db_name} -t -c \"select name from pg_available_extensions where installed_version is not null and name like '#{extname}';\" | grep -q #{extname}"}
+        not_if "psql -U postgres -d #{db_name} -t -c \"select name from pg_available_extensions where installed_version is not null;\" | grep #{extname}"
       end
   end
 
-end
+end