Implemented vmspec format in vm_define handler

cloudcontrol/node/config.py

@@ -104,6 +104,10 @@ class NodeConfigParser(object):
         self.plugins_store_path = config.get('node', 'plugins_store_path',
                                              '/var/lib/cc-node/plugins')
 
+        # Path to define script
+        default_define_script = 'hkvm-define'
+        self.define_script = config.get('node', 'define_script', default_define_script)
+
         # RPC handler ACLs
         acl_section_name = 'node_handler'
         if config.has_section(acl_section_name):

cloudcontrol/node/hypervisor/__init__.py

@@ -16,6 +16,7 @@
 
 import logging
 import socket
+import json
 from StringIO import StringIO
 from xml.etree import cElementTree as et
 
@@ -37,6 +38,7 @@ from cloudcontrol.node.exc import (
 from cloudcontrol.node.hypervisor.jobs import (
     ImportVolume, ExportVolume, TCPTunnel, DRBD,
 )
+from cloudcontrol.node.utils import execute
 
 
 logger = logging.getLogger(__name__)
@@ -202,6 +204,25 @@ class Handler(HostHandler):
 
         if format == 'xml':
             return self.hypervisor.vm_define(data)
+        elif format == 'vmspec':
+            # Encode tags as description:
+            if 'tags' in data:
+                if 'description' not in data:
+                    data['description'] = ''
+
+                for tag, value in data['tags'].iteritems():
+                    data['description'] += '\n@%s=%s' % (tag, value)
+            # Delete the tags key which is not recognized by hkvm-define
+            try:
+                del data['tags']
+            except KeyError:
+                pass
+            rcode, output = execute(self.main, [self.main.config.define_script], stdin=json.dumps(data))
+
+            if rcode == 0:
+                return output.strip()
+            else:
+                raise RuntimeError(output.strip().split('\n')[-1].strip())
         else:
             raise NotImplementedError('Format not supported')