make cloudify_host dependent on nat

Author: earthmant

aws.yaml

@@ -462,7 +462,9 @@ node_templates:
       - type: cloudify.relationships.depends_on
         target: nic
       - type: cloudify.relationships.depends_on
-        target: centos_core_ami              
+        target: centos_core_ami
+      - type: cloudify.relationships.depends_on
+        target: nat_gateway
     interfaces:
       cloudify.interfaces.lifecycle:
         configure:

scripts/manager/tasks.py

@@ -13,8 +13,6 @@ def install_rpm(_rpm):
         sudo("rpm -i {0}".format(_rpm))
     except Exception as e:
         raise NonRecoverableError(str(e))
-    if not os.path.exists(CONFIG_PATH):
-        raise RecoverableError('Failed to install RPM.')
     return True
 
 def install_requirements():