-"""
- NEPI, a framework to manage network experiments
- Copyright (C) 2013 INRIA
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-"""
-
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# 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.attribute import Attribute, Flags
from nepi.resources.omf.omf_api import OMFAPIFactory
import time
-reschedule_delay = "0.5s"
@clsinit
class OMFNode(ResourceManager):
:type ec: ExperimentController
:param guid: guid of the RM
:type guid: int
- :param creds: Credentials to communicate with the rm (XmppClient for OMF)
- :type creds: dict
"""
super(OMFNode, self).__init__(ec, guid)
self._omf_api = None
- # XXX: TO DISCUSS
-
- def _validate_connection(self, guid):
- """Check if the connection is available.
+ def valid_connection(self, guid):
+ """ 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
"""
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
+ """ 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 :
+ if not self._omf_api:
self._omf_api = OMFAPIFactory.get_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
- self._omf_api.enroll_host(self.get('hostname'))
+ self.get('xmppHost'), self.get('xmppPort'),
+ self.get('xmppPassword'), exp_id = self.ec.exp_id)
+
+ 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
+
+ try:
+ self._omf_api.enroll_host(self.get('hostname'))
+ except AttributeError:
+ msg = "Credentials are not initialzed. XMPP Connections impossible"
+ self.error(msg)
+ self.fail()
+ return
super(OMFNode, self).deploy()
pass
def start(self):
- """Send Xmpp Message Using OMF protocol to enroll the node into the experiment
+ """Start the RM. It means nothing special for an interface for now
+ It becomes STARTED as soon as this method starts.
"""
super(OMFNode, self).start()
-
def stop(self):
- """Send Xmpp Message Using OMF protocol to disconnect the node
+ """Stop the RM. It means nothing special for an interface for now
+ It becomes STOPPED as soon as this method stops
"""
super(OMFNode, self).stop()
"""Clean the RM at the end of the experiment
"""
- self._omf_api.release(self.get('hostname'))
- OMFAPIFactory.release_api(self.get('xmppSlice'),
- self.get('xmppHost'), self.get('xmppPort'), self.get('xmppPassword'))
-
-
- def configure(self):
- #routes = self.tc._add_route.get(self.guid, [])
- #iface_guids = self.tc.get_connected(self.guid, "devs", "node")
-
- for route in routes:
- (destination, netprefix, nexthop, metric, device) = route
- netmask = ipaddr2.ipv4_mask2dot(netprefix)
-
- # Validate that the interface is associated to the node
- for iface_guid in iface_guids:
- iface = self.tc.elements.get(iface_guid)
- if iface.devname == device:
- self._omf_api.execute(self.get('hostname'),
- "Id#%s" % str(random.getrandbits(128)),
- "add -net %s netmask %s dev %s" % (destination, netmask, iface.devname),
- "/sbin/route", # path
- None, # env
- )
- break
+ 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'), exp_id = self.ec.exp_id)
+
+ super(OMFNode, self).release()
+
git://git.onelab.eu / nepi.git / blobdiff