Modified FailureManager to abort only when critical resources fail
[nepi.git] / src / nepi / resources / omf / interface.py
index a3b9c3a..81e3b60 100644 (file)
 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
 #         Julien Tribino <julien.tribino@inria.fr>
 
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState, \
-        reschedule_delay
+from nepi.execution.resource import ResourceManager, clsinit_copy, \
+        ResourceState, reschedule_delay, failtrap
 from nepi.execution.attribute import Attribute, Flags 
 
 from nepi.resources.omf.node import OMFNode
+from nepi.resources.omf.omf_resource import ResourceGateway, OMFResource
 from nepi.resources.omf.channel import OMFChannel
 from nepi.resources.omf.omf_api import OMFAPIFactory
 
-@clsinit
-class OMFWifiInterface(ResourceManager):
+@clsinit_copy
+class OMFWifiInterface(OMFResource):
     """
     .. class:: Class Args :
       
@@ -59,15 +60,7 @@ class OMFWifiInterface(ResourceManager):
         type = Attribute("type","Type of the interface")
         essid = Attribute("essid","Essid of the interface")
         ip = Attribute("ip","IP of the interface")
-        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)
         cls._register_attribute(alias)
-        cls._register_attribute(xmppSlice)
-        cls._register_attribute(xmppHost)
-        cls._register_attribute(xmppPort)
-        cls._register_attribute(xmppPassword)
         cls._register_attribute(mode)
         cls._register_attribute(type)
         cls._register_attribute(essid)
@@ -111,6 +104,10 @@ class OMFWifiInterface(ResourceManager):
 
         return False
 
+    @property
+    def exp_id(self):
+        return self.ec.exp_id
+
     @property
     def node(self):
         rm_list = self.get_connected(OMFNode.rtype())
@@ -123,7 +120,6 @@ class OMFWifiInterface(ResourceManager):
         if rm_list: return rm_list[0]
         return None
 
-
     def configure_iface(self):
         """ Configure the interface without the ip
 
@@ -168,34 +164,37 @@ class OMFWifiInterface(ResourceManager):
 
         return True
 
+    @failtrap
     def deploy(self):
         """ Deploy the RM. It means : Get the xmpp client and send messages 
         using OMF 5.4 protocol to configure the interface.
         It becomes DEPLOYED after sending messages to configure the interface
         """
+        self.set('xmppSlice', self.node.get('xmppSlice'))
+        self.set('xmppHost', self.node.get('xmppHost'))
+        self.set('xmppPort', self.node.get('xmppPort'))
+        self.set('xmppPassword', self.node.get('xmppPassword'))
+
         if not self._omf_api :
             self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'), 
                 self.get('xmppHost'), self.get('xmppPort'), 
-                self.get('xmppPassword'), exp_id = self.ec.exp_id)
+                self.get('xmppPassword'), exp_id = self.exp_id)
 
         if not self._omf_api :
             msg = "Credentials are not initialzed. XMPP Connections impossible"
             self.error(msg)
-            self.fail()
-            return
+            raise RuntimeError, msg
 
         if not (self.get('mode') and self.get('type') and self.get('essid') \
                 and self.get('ip')):
             msg = "Interface's variable are not initialized"
             self.error(msg)
-            self.fail()
-            return False
+            raise RuntimeError, msg
 
         if not self.node.get('hostname') :
             msg = "The channel is connected with an undefined node"
             self.error(msg)
-            self.fail()
-            return False
+            raise RuntimeError, msg
 
         # Just for information
         self.debug(" " + self.rtype() + " ( Guid : " + str(self._guid) +") : " + \
@@ -203,26 +202,25 @@ class OMFWifiInterface(ResourceManager):
             self.get('essid') + " : " + self.get('ip'))
     
         # Check if the node is already deployed
-        chk1 = True
         if self.state < ResourceState.PROVISIONED:
-            chk1 = self.configure_iface()
-        if chk1:
-            chk2 = self.configure_ip()
+            if self.configure_iface():
+                self.configure_ip()
 
-        if not (chk1 and chk2) :
-            return False
-            
         super(OMFWifiInterface, self).deploy()
-        return True
 
     def release(self):
         """ Clean the RM at the end of the experiment and release the API
 
         """
-        if self._omf_api :
-            OMFAPIFactory.release_api(self.get('xmppSlice'), 
-                self.get('xmppHost'), self.get('xmppPort'), 
-                self.get('xmppPassword'), exp_id = self.ec.exp_id)
+        try:
+            if self._omf_api :
+                OMFAPIFactory.release_api(self.get('xmppSlice'), 
+                    self.get('xmppHost'), self.get('xmppPort'), 
+                    self.get('xmppPassword'), exp_id = self.exp_id)
+        except:
+            import traceback
+            err = traceback.format_exc()
+            self.error(err)
 
         super(OMFWifiInterface, self).release()