Update the kosmos-mastodon cookbook to use the new postgresql cookbook

Don't depend on the deprecated database cookbook to create the database

site-cookbooks/kosmos-mastodon/metadata.rb

@@ -13,5 +13,5 @@ depends "poise-ruby-build"
 depends "application_ruby"
 depends "application_javascript"
 depends "postgresql"
-depends "database"
+depends "kosmos-postgresql"
 depends "backup"

site-cookbooks/kosmos-mastodon/recipes/default.rb

@@ -8,23 +8,21 @@
 #
 include_recipe "kosmos-nodejs"
 include_recipe "kosmos-redis"
+include_recipe "kosmos-postgresql"
 
-node.override['postgresql']['enable_pgdg_apt'] = false
-include_recipe "postgresql::server"
-include_recipe "postgresql::ruby"
-unless node.chef_environment == "development"
-  node.override['postgresql']['config_pgtune']['db_type'] = "web"
-  include_recipe "postgresql::config_pgtune"
-end
+# Remove the condition once we have migrated mastodon to andromeda
+unless platform?('ubuntu') && node[:platform_version].to_f < 18.04
+  postgresql_data_bag_item = data_bag_item('credentials', 'postgresql')
 
-postgresql_database 'mastodon' do
-  connection(
-    host:     '127.0.0.1',
-    port:     5432,
-    username: 'postgres',
-    password: node['postgresql']['password']['postgres']
-  )
-  action :create
+  postgresql_user 'mastodon' do
+    action :create
+    password postgresql_data_bag_item['mastodon_user_password']
+  end
+
+  postgresql_database 'mastodon' do
+    owner 'mastodon'
+    action :create
+  end
 end
 
 mastodon_path = node["kosmos-mastodon"]["directory"]
@@ -112,7 +110,7 @@ application mastodon_path do
     revision   "production"
   end
 
-  mastodon_credentials = Chef::EncryptedDataBagItem.load('credentials', 'mastodon')
+  mastodon_credentials = data_bag_item('credentials', 'mastodon')
 
   template ".env.production" do
     source "env.production.erb"
@@ -132,7 +130,8 @@ application mastodon_path do
               aws_secret_access_key: mastodon_credentials['aws_secret_access_key'],
               s3_region: "eu-west-1",
               vapid_private_key: mastodon_credentials['vapid_private_key'],
-              vapid_public_key: mastodon_credentials['vapid_public_key']
+              vapid_public_key: mastodon_credentials['vapid_public_key'],
+              db_pass: postgresql_data_bag_item['mastodon_user_password']
   end
 
   bundle_install do
@@ -184,8 +183,13 @@ end
 
 unless node.chef_environment == "development"
   node.override["backup"]["postgresql"]["host"]     = "localhost"
-  node.override["backup"]["postgresql"]["username"] = "postgres"
-  node.override["backup"]["postgresql"]["password"] = node['postgresql']['password']['postgres']
+  unless platform?('ubuntu') && node[:platform_version].to_f < 18.04
+    node.override["backup"]["postgresql"]["username"] = "mastodon"
+    node.override["backup"]["postgresql"]["password"] = postgres_password
+  else
+    node.override["backup"]["postgresql"]["username"] = "postgres"
+    node.override["backup"]["postgresql"]["password"] = node['postgresql']['password']['postgres']
+  end
   unless node["backup"]["postgresql"]["databases"].include? 'mastodon'
     node.override["backup"]["postgresql"]["databases"] =
       node["backup"]["postgresql"]["databases"].to_a << "mastodon"

site-cookbooks/kosmos-mastodon/templates/default/env.production.erb

@@ -1,9 +1,15 @@
 # Service dependencies
 REDIS_URL=<%= @redis_url %>
 DB_HOST=localhost
-DB_USER=postgres
 DB_NAME=mastodon
+# Remove the condition once we have migrated mastodon to andromeda
+<% if node[:platform_version].to_f < 18.04 -%>
+DB_USER=postgres
 DB_PASS=<%= node['postgresql']['password']['postgres'] %>
+<% else -%>
+DB_USER=mastodon
+DB_PASS=<%= @db_pass %>
+<% end -%>
 DB_PORT=5432
 
 # Federation