from nepi.execution.attribute import Attribute, Flags, Types
from nepi.execution.resource import clsinit_copy, ResourceState, \
- reschedule_delay
+ reschedule_delay, failtrap
from nepi.resources.linux.application import LinuxApplication
from nepi.resources.planetlab.node import PlanetlabNode
from nepi.util.timefuncs import tnow, tdiffsec
@clsinit_copy
class PlanetlabTap(LinuxApplication):
_rtype = "PlanetlabTap"
+ _help = "Creates a TAP device on a PlanetLab host"
+ _backend = "planetlab"
@classmethod
def _register_attributes(cls):
if_name = self.wait_if_name()
self.set("deviceName", if_name)
+ @failtrap
def deploy(self):
if not self.node or self.node.state < ResourceState.PROVISIONED:
self.ec.schedule(reschedule_delay, self.deploy)
if not self.get("install"):
self.set("install", self._install)
- try:
- self.discover()
- self.provision()
- except:
- self.fail()
- raise
-
+ self.discover()
+ self.provision()
+
self.debug("----- READY ---- ")
self.set_ready()
+ @failtrap
def start(self):
if self.state == ResourceState.READY:
command = self.get("command")
else:
msg = " Failed to execute command '%s'" % command
self.error(msg, out, err)
- self.fail()
raise RuntimeError, msg
+ @failtrap
def stop(self):
command = self.get('command') or ''
if self.state == ResourceState.STARTED:
self.info("Stopping command '%s'" % command)
- self.info("STOOOOOOOOOOOOOOOOOOOOOOOOOOOOOPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP")
+
command = "bash %s" % os.path.join(self.app_home, "stop.sh")
(out, err), proc = self.execute_command(command,
blocking = True)
if out.strip().find(self.get("deviceName")) == -1:
# tap is not running is not running (socket not found)
- print "HEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY"
- self._finish_time = tnow()
- self._state = ResourceState.FINISHED
+ self.finish()
self._last_state_check = tnow()
def release(self):
# Node needs to wait until all associated RMs are released
# to be released
- from nepi.resources.linux.udptunnel import UdpTunnel
- rms = self.get_connected(UdpTunnel.rtype())
- for rm in rms:
- if rm.state < ResourceState.STOPPED:
- self.ec.schedule(reschedule_delay, self.release)
- return
+ try:
+ from nepi.resources.linux.udptunnel import UdpTunnel
+ rms = self.get_connected(UdpTunnel.rtype())
+ for rm in rms:
+ if rm.state < ResourceState.STOPPED:
+ self.ec.schedule(reschedule_delay, self.release)
+ return
+ except:
+ import traceback
+ err = traceback.format_exc()
+ self.error(err)
super(PlanetlabTap, self).release()
else:
msg = "Couldn't retrieve if_name"
self.error(msg, out, err)
- self.fail()
raise RuntimeError, msg
return if_name