[PATCH 8/8] Remove global constants DATABASE and DATABASE_LOCATION

[lutter]

From: David Lutterkort <lut...@redhat.com>

Also streamlines how we create/retrieve the current DB
---
 server/lib/db.rb                               | 16 ++++++++++------
 server/lib/initializers/database_initialize.rb | 17 +++++++----------
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/server/lib/db.rb b/server/lib/db.rb
index 0cd18e4..7371438 100644
--- a/server/lib/db.rb
+++ b/server/lib/db.rb
@@ -15,19 +15,23 @@
 
 module Deltacloud
 
-  def self.database(opts={})
+  def self.connect(location)
     if ENV['API_VERBOSE']
       if Deltacloud.respond_to? :config
-        opts[:logger] = Deltacloud.config[:cimi].logger
+        logger = Deltacloud.config[:cimi].logger
       else
-        opts[:logger] = ::Logger.new($stdout)
+        logger = ::Logger.new($stdout)
       end
     end
-    @db ||=  Sequel.connect(DATABASE_LOCATION, opts)
+    @db =  Sequel.connect(location, :logger => logger)
   end
 
-  def self.initialize_database
-    db = database
+  def self.database
+    @db
+  end
+
+  def self.initialize_database(location)
+    db = connect(location)
 
     db.create_table?(:providers) {
       primary_key :id
diff --git a/server/lib/initializers/database_initialize.rb 
b/server/lib/initializers/database_initialize.rb
index 7ec68aa..13f2904 100644
--- a/server/lib/initializers/database_initialize.rb
+++ b/server/lib/initializers/database_initialize.rb
@@ -36,19 +36,16 @@ Sequel.extension :migration
 # For more details about possible values see:
 # http://sequel.rubyforge.org/rdoc/files/doc/opening_databases_rdoc.html
 #
-if ENV['DATABASE_LOCATION']
-  DATABASE_LOCATION = ENV['DATABASE_LOCATION']
-else
+unless location = ENV['DATABASE_LOCATION']
   if ENV['RACK_ENV'] == 'test'
     if RUBY_PLATFORM=='java'
-      DATABASE_LOCATION = 'jdbc:sqlite::memory'
+      location = 'jdbc:sqlite::memory'
     else
-      DATABASE_LOCATION = 'sqlite:/'
+      location = 'sqlite:/'
     end
   else
     sequel_driver = (RUBY_PLATFORM=='java') ? 'jdbc:sqlite:' : 'sqlite://'
-    DATABASE_LOCATION =
-      "#{sequel_driver}#{File.join(BASE_STORAGE_DIR, 'db.sqlite')}"
+    location = "#{sequel_driver}#{File.join(BASE_STORAGE_DIR, 'db.sqlite')}"
   end
 end
 
@@ -57,7 +54,7 @@ if RUBY_PLATFORM == 'java'
   Jdbc::SQLite3.load_driver
 end
 
-DATABASE = Deltacloud::initialize_database
+database = Deltacloud::initialize_database(location)
 
 # Detect if there are some pending migrations to run.
 # We don't actually run migrations during server startup, just print
@@ -66,12 +63,12 @@ DATABASE = Deltacloud::initialize_database
 
 DATABASE_MIGRATIONS_DIR = File.join(File.dirname(__FILE__), '..', '..', 'db', 
'migrations')
 
-unless Sequel::Migrator.is_current?(DATABASE, DATABASE_MIGRATIONS_DIR)
+unless Sequel::Migrator.is_current?(database, DATABASE_MIGRATIONS_DIR)
   # Do not exit when this intitializer is included from deltacloud-db-upgrade
   # script
   #
   if ENV['RACK_ENV'] == 'test' || ENV['DB_UPGRADE']
-    Sequel::Migrator.apply(DATABASE, DATABASE_MIGRATIONS_DIR)
+    Sequel::Migrator.apply(database, DATABASE_MIGRATIONS_DIR)
   else
     warn "WARNING: The database needs to be upgraded. Run: 
'deltacloud-db-upgrade' command."
     exit(1)
-- 
1.8.1.4