# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
from nepi.execution.attribute import Attribute, Flags, Types
-from nepi.execution.resource import ResourceManager, clsinit_copy, ResourceState, \
+from nepi.execution.resource import clsinit_copy, ResourceState, \
reschedule_delay
from nepi.resources.linux.application import LinuxApplication
from nepi.resources.planetlab.node import PlanetlabNode
@clsinit_copy
class PlanetlabTap(LinuxApplication):
_rtype = "PlanetlabTap"
+ _help = "Creates a TAP device on a PlanetLab host"
+ _backend = "planetlab"
@classmethod
def _register_attributes(cls):
self.provision()
except:
self.fail()
- raise
-
+ return
+
self.debug("----- READY ---- ")
- self._ready_time = tnow()
- self._state = ResourceState.READY
+ self.set_ready()
def start(self):
- if self._state == ResourceState.READY:
+ if self.state == ResourceState.READY:
command = self.get("command")
self.info("Starting command '%s'" % command)
- self._start_time = tnow()
- self._state = ResourceState.STARTED
+ self.set_started()
else:
msg = " Failed to execute command '%s'" % command
self.error(msg, out, err)
- self._state = ResourceState.FAILED
- raise RuntimeError, msg
+ self.fail()
def stop(self):
command = self.get('command') or ''
- state = self.state
- if state == ResourceState.STARTED:
+ if self.state == ResourceState.STARTED:
self.info("Stopping command '%s'" % command)
command = "bash %s" % os.path.join(self.app_home, "stop.sh")
(out, err), proc = self.execute_command(command,
blocking = True)
- self._stop_time = tnow()
- self._state = ResourceState.STOPPED
+ self.set_stopped()
@property
def state(self):
if out.strip().find(self.get("deviceName")) == -1:
# tap is not running is not running (socket not found)
- self._state = ResourceState.FINISHED
+ self.finish()
self._last_state_check = tnow()
else:
msg = "Couldn't retrieve if_name"
self.error(msg, out, err)
- self.fail()
raise RuntimeError, msg
return if_name