# 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
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)",
@property
def node(self):
- node = self.get_connected(LinuxNode.rtype())
+ node = self.get_connected(LinuxNode.get_rtype())
if node: return node[0]
return None
@property
def channel(self):
- chan = self.get_connected(LinuxChannel.rtype())
+ chan = self.get_connected(LinuxChannel.get_rtype())
if chan: return chan[0]
return None
- def discover(self):
+ def do_discover(self):
devname = self.get("deviceName")
ip4 = self.get("ip4")
ip6 = 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 "
self.error(msg)
raise RuntimeError, msg
- super(LinuxInterface, self).discover()
+ super(LinuxInterface, self).do_discover()
- def provision(self):
+ def do_provision(self):
devname = self.get("deviceName")
ip4 = self.get("ip4")
ip6 = self.get("ip4")
self.error(msg, out, err)
raise RuntimeError, "%s - %s - %s" % (msg, out, err)
- super(LinuxInterface, self).provision()
+ super(LinuxInterface, self).do_provision()
- def deploy(self):
+ def do_deploy(self):
# Wait until node is provisioned
node = self.node
chan = self.channel
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.do_discover()
+ self.do_provision()
- super(LinuxInterface, self).deploy()
+ super(LinuxInterface, self).do_deploy()
- def release(self):
+ def do_release(self):
tear_down = self.get("tearDown")
- if tear_down:
+ if tear_down:
self.execute(tear_down)
- super(LinuxInterface, self).release()
+ super(LinuxInterface, self).do_release()
def valid_connection(self, guid):
# TODO: Validate!