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Use the configured IP address to trace.

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This commit is contained in:
grossmj 2018-03-27 03:43:50 -07:00
parent d08c08617c
commit 05ec14e888
1 changed files with 11 additions and 6 deletions
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17
gns3server/compute/traceng/traceng_vm.py
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@ -167,7 +167,6 @@ class TraceNGVM(BaseNode):
yield from self._check_requirements()
if not self.is_running():
nio = self._ethernet_adapter.get_nio(0)
#TODO: validate destination
command = self._build_command(destination)
try:
log.info("Starting TraceNG: {}".format(command))
@ -185,9 +184,8 @@ class TraceNGVM(BaseNode):
self._started = True
self.status = "started"
except (OSError, subprocess.SubprocessError) as e:
traceng_stdout = self.read_traceng_stdout()
log.error("Could not start TraceNG {}: {}\n{}".format(self._traceng_path(), e, traceng_stdout))
raise TraceNGError("Could not start TraceNG {}: {}\n{}".format(self._traceng_path(), e, traceng_stdout))
log.error("Could not start TraceNG {}: {}\n".format(self._traceng_path(), e))
raise TraceNGError("Could not start TraceNG {}: {}\n".format(self._traceng_path(), e))
def _termination_callback(self, returncode):
"""
@ -202,7 +200,7 @@ class TraceNGVM(BaseNode):
self.status = "stopped"
self._process = None
if returncode != 0:
self.project.emit("log.error", {"message": "TraceNG process has stopped, return code: {}\n{}".format(returncode, self.read_traceng_stdout())})
self.project.emit("log.error", {"message": "TraceNG process has stopped, return code: {}\n".format(returncode)})
@asyncio.coroutine
def stop(self):
@ -384,6 +382,12 @@ class TraceNGVM(BaseNode):
(to be passed to subprocess.Popen())
"""
# TODO: better validation
if not destination:
raise TraceNGError("Please provide a destination to trace")
if not self._ip_address:
raise TraceNGError("Please provide an IP address for this TraceNG node")
command = [self._traceng_path()]
# use the local UDP tunnel to uBridge instead
if not self._local_udp_tunnel:
@ -398,5 +402,6 @@ class TraceNGVM(BaseNode):
except socket.gaierror as e:
raise TraceNGError("Can't resolve hostname {}: {}".format(nio.rhost, e))
command.extend([destination]) # host or IP to trace
command.extend(["-f", self._ip_address]) # source IP address to trace from
command.extend([destination]) # host or IP to trace
return command