VM tags new tag API.

ccnode/hypervisor/domains/__init__.py

@@ -29,7 +29,7 @@ class VirtualMachine(object):
         self.uuid = dom.UUIDString()
         self.name = dom.name()
         #: state of VM: started, stoped, paused
-        self.state = STATE[dom.info()[0]]
+        self._state = STATE[dom.info()[0]]
         #: tags for this VM
         self.tags = dict((t.name, t) for t in tag_inspector(vm_tags, self))
         # define dynamic tags
@@ -55,6 +55,15 @@ class VirtualMachine(object):
 
         logger.debug('Virtual Machine tags: %s', self.tags)
 
+    @property
+    def state(self):
+        return self._state
+
+    @state.setter
+    def state(self, value):
+        self._state = value
+        self.tags['status'].value = value
+
     @property
     def lv_dom(self):
         """Libvirt domain instance."""

ccnode/hypervisor/domains/vm_tags.py

 from xml.etree import cElementTree as et
 from StringIO import StringIO
 
+from ccnode.tags import ttl, refresh
+
 
 def uuid(dom):
     """Unique identifier of the domain."""
     return dom.uuid
 
 
+@ttl(5)
 def status(dom):
     return dom.state
-status.ttl = 5
 
 
 def hv(dom):
@@ -40,9 +42,10 @@ def cpu(dom):
     return dom.lv_dom.info()[3]
 
 
+@ttl(10)
+@refresh(5)
 def cpuuse():
     pass
-cpuuse.ttl = 10
 
 
 def mem(dom):
@@ -65,13 +68,15 @@ def vncport(dom):
         logger.exception('VNCPort')
 
 
+@ttl(10)
+@refresh(10)
 def disk(dom):
     """Get backend disks."""
     return u' '.join(map(str, xrange(len(dom.disks)))) or None
-disk.ttl = 10
 
 
+@ttl(10)
+@refresh(10)
 def nic(dom):
     """VM network interfaces."""
     return u' '.join(map(str, xrange(len(dom.nics)))) or None
-disk.nic = 10