# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
from nepi.execution.attribute import Attribute, Types, Flags
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState
+from nepi.execution.resource import ResourceManager, clsinit_copy, \
+ ResourceState, reschedule_delay, failtrap
from nepi.resources.linux.node import LinuxNode
from nepi.resources.linux.channel import LinuxChannel
# TODO: UP, MTU attributes!
-reschedule_delay = "0.5s"
-@clsinit
+@clsinit_copy
class LinuxInterface(ResourceManager):
_rtype = "LinuxInterface"
+ _help = "Controls network devices on Linux hosts through the ifconfig tool"
+ _backend = "linux"
@classmethod
def _register_attributes(cls):
ip4 = Attribute("ip4", "IPv4 Address",
- flags = Flags.ExecReadOnly)
+ flags = Flags.ExecReadOnly)
ip6 = Attribute("ip6", "IPv6 Address",
flags = Flags.ExecReadOnly)
flags = Flags.ExecReadOnly)
mtu = Attribute("mtu", "Maximum transmition unit for device",
- type = Types.Integer)
+ type = Types.Integer)
devname = Attribute("deviceName",
"Name of the network interface (e.g. eth0, wlan0, etc)",
if chan: return chan[0]
return None
+ @failtrap
def discover(self):
devname = self.get("deviceName")
ip4 = self.get("ip4")
mtu = self.get("mtu")
# Get current interfaces information
- (out, err), proc = self.node.execute("ifconfig", sudo = True)
+ (out, err), proc = self.node.execute("ifconfig", sudo = True, tty = True)
if err and proc.poll():
msg = " Error retrieving interface information "
super(LinuxInterface, self).discover()
+ @failtrap
def provision(self):
devname = self.get("deviceName")
ip4 = self.get("ip4")
super(LinuxInterface, self).provision()
+ @failtrap
def deploy(self):
# Wait until node is provisioned
node = self.node
else:
# Verify if the interface exists in node. If not, configue
# if yes, load existing configuration
- try:
- self.discover()
- self.provision()
- except:
- self._state = ResourceState.FAILED
- raise
+ self.discover()
+ self.provision()
super(LinuxInterface, self).deploy()
def release(self):
- tear_down = self.get("tearDown")
- if tear_down:
- self.execute(tear_down)
+ try:
+ tear_down = self.get("tearDown")
+ if tear_down:
+ self.execute(tear_down)
+ except:
+ import traceback
+ err = traceback.format_exc()
+ self.error(err)
super(LinuxInterface, self).release()