Adding omf generic resource manager, and change attributes for omf node

[nepi.git] / src / nepi / resources / omf / node.py

diff --git a/src/nepi/resources/omf/node.py b/src/nepi/resources/omf/node.py
index fad525b..b6b65ef 100644 (file)
--- a/src/nepi/resources/omf/node.py
+++ b/src/nepi/resources/omf/node.py
@@ -22,14 +22,14 @@
 from nepi.execution.resource import ResourceManager, clsinit, ResourceState, \
         reschedule_delay
 from nepi.execution.attribute import Attribute, Flags 
-
+from nepi.resources.omf.omf_resource import ResourceGateway, OMFResource
 from nepi.resources.omf.omf_api import OMFAPIFactory
 
 import time
 
 
 @clsinit
-class OMFNode(ResourceManager):
+class OMFNode(OMFResource):
     """
     .. class:: Class Args :
       
@@ -54,38 +54,8 @@ class OMFNode(ResourceManager):
 
         """
         hostname = Attribute("hostname", "Hostname of the machine")
-        cpu = Attribute("cpu", "CPU of the node")
-        ram = Attribute("ram", "RAM of the node")
-        xmppSlice = Attribute("xmppSlice","Name of the slice",
-                flags = Flags.Credential)
-        xmppHost = Attribute("xmppHost", "Xmpp Server",
-                flags = Flags.Credential)
-        xmppPort = Attribute("xmppPort", "Xmpp Port",
-                flags = Flags.Credential)
-        xmppPassword = Attribute("xmppPassword", "Xmpp Port",
-                flags = Flags.Credential)
-
-        host = Attribute("host", "Hostname of the machine",
-                flags = Flags.Filter)
-        gateway = Attribute("gateway", "Gateway",
-                flags = Flags.Filter)
-        granularity = Attribute("granularity", "Granularity of the reservation time",
-                flags = Flags.Filter)
-        hardware_type = Attribute("hardware_type", "Hardware type of the machine",
-                flags = Flags.Filter)
 
         cls._register_attribute(hostname)
-        cls._register_attribute(ram)
-        cls._register_attribute(cpu)
-        cls._register_attribute(xmppSlice)
-        cls._register_attribute(xmppHost)
-        cls._register_attribute(xmppPort)
-        cls._register_attribute(xmppPassword)
-
-        cls._register_attribute(host)
-        cls._register_attribute(gateway)
-        cls._register_attribute(granularity)
-        cls._register_attribute(hardware_type)
 
     # XXX: We don't necessary need to have the credentials at the 
     # moment we create the RM
@@ -102,7 +72,8 @@ class OMFNode(ResourceManager):
         self._omf_api = None 
 
     def valid_connection(self, guid):
-        """Check if the connection with the guid in parameter is possible. Only meaningful connections are allowed.
+        """ Check if the connection with the guid in parameter is possible. 
+        Only meaningful connections are allowed.
 
         :param guid: Guid of the current RM
         :type guid: int
@@ -111,30 +82,48 @@ class OMFNode(ResourceManager):
         """
         rm = self.ec.get_resource(guid)
         if rm.rtype() in self._authorized_connections:
-            msg = "Connection between %s %s and %s %s accepted" % (self.rtype(), self._guid, rm.rtype(), guid)
+            msg = "Connection between %s %s and %s %s accepted" % (
+                    self.rtype(), self._guid, rm.rtype(), guid)
             self.debug(msg)
+
             return True
-        msg = "Connection between %s %s and %s %s refused" % (self.rtype(), self._guid, rm.rtype(), guid)
+
+        msg = "Connection between %s %s and %s %s refused" % (
+                self.rtype(), self._guid, rm.rtype(), guid)
         self.debug(msg)
+
         return False
 
     def deploy(self):
-        """Deploy the RM. It means : Send Xmpp Message Using OMF protocol to enroll the node into the experiment
-           It becomes DEPLOYED after sending messages to enroll the node
+        """ Deploy the RM. It means : Send Xmpp Message Using OMF protocol 
+            to enroll the node into the experiment.
+            It becomes DEPLOYED after sending messages to enroll the node
 
         """ 
         if not self._omf_api :
             self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'), 
-               self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
+                self.get('xmppHost'), self.get('xmppPort'), 
+                self.get('xmppPassword'), exp_id = self.ec.exp_id)
 
-        if self.get('hostname') :
-            try:
-                self._omf_api.enroll_host(self.get('hostname'))
-            except AttributeError:
-                self._state = ResourceState.FAILED
-                msg = "Credentials are not initialzed. XMPP Connections impossible"
-                self.debug(msg)
-                raise AttributeError, msg
+        if not self._omf_api :
+            msg = "Credentials are not initialzed. XMPP Connections impossible"
+            self.error(msg)
+            self.fail()
+            return
+
+        if not self.get('hostname') :
+            msg = "Hostname's value is not initialized"
+            self.error(msg)
+            self.fail()
+            return False
+
+        try:
+            self._omf_api.enroll_host(self.get('hostname'))
+        except AttributeError:
+            msg = "Credentials are not initialzed. XMPP Connections impossible"
+            self.error(msg)
+            self.fail()
+            #raise AttributeError, msg
 
         super(OMFNode, self).deploy()
 
@@ -171,6 +160,10 @@ class OMFNode(ResourceManager):
         """
         if self._omf_api :
             self._omf_api.release(self.get('hostname'))
+
             OMFAPIFactory.release_api(self.get('xmppSlice'), 
-                self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
+                self.get('xmppHost'), self.get('xmppPort'), 
+                self.get('xmppPassword'), exp_id = self.ec.exp_id)
+
+        super(OMFNode, self).release()