Fixed some small errors in ghost scripts

ghost-openstack/scripts/ghost/ghost.py

@@ -26,7 +26,7 @@ from cloudify import exceptions
 from cloudify import utils
 
 
-CONFIG_PATH = '~/ghost/config.js'
+CONFIG_PATH = '/opt/ghost/config.js'
 TEMPLATE_RESOURCE_NAME = 'resources/ghost/ghost.default.template'
 
 
@@ -35,9 +35,9 @@ def configure(subject=None):
 
     ctx.logger.info('Configuring ghost.')
     
-    _run('sudo apt-get install unzip',error_message='Failed installing unzip')
-    _run('curl -L https://ghost.org/zip/ghost-latest.zip -o ~/ghost.zip',error_message='Failed downloading ghost')
-    _run('unzip -uo ~/ghost.zip -d ~/ghost',error_message='Failed unzipping ghost')  
+    _run('sudo apt-get -y install unzip',error_message='Failed installing unzip')
+    _run('sudo curl -L https://ghost.org/zip/ghost-latest.zip -o /opt/ghost.zip',error_message='Failed downloading ghost')
+    _run('sudo unzip -uo ~/ghost.zip -d /opt/ghost',error_message='Failed unzipping ghost')  
     
     template = Template(ctx.get_resource(TEMPLATE_RESOURCE_NAME))
 
@@ -62,8 +62,8 @@ def configure(subject=None):
 
 
 def start():
-    _run('npm install',error_message='Failed running npm install')
-    _run('npm start',error_message='Failed running npm start')
+    _run('cd /opt/ghost/ && sudo npm install /opt/ghost/',error_message='Failed running npm install')
+    _run('cd /opt/ghost/ && sudo npm start &',error_message='Failed running npm start')
 
 
 def stop():