mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-25 01:38:08 +00:00
817 lines
27 KiB
Python
817 lines
27 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# Copyright (C) 2014 GNS3 Technologies Inc.
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
"""
|
|
IOU server module.
|
|
"""
|
|
|
|
import os
|
|
import base64
|
|
import tempfile
|
|
import socket
|
|
import shutil
|
|
|
|
from gns3server.modules import IModule
|
|
from gns3server.config import Config
|
|
from .iou_device import IOUDevice
|
|
from .iou_error import IOUError
|
|
from .nios.nio_udp import NIO_UDP
|
|
from .nios.nio_tap import NIO_TAP
|
|
from .nios.nio_generic_ethernet import NIO_GenericEthernet
|
|
from ..attic import find_unused_port
|
|
from ..attic import has_privileged_access
|
|
|
|
from .schemas import IOU_CREATE_SCHEMA
|
|
from .schemas import IOU_DELETE_SCHEMA
|
|
from .schemas import IOU_UPDATE_SCHEMA
|
|
from .schemas import IOU_START_SCHEMA
|
|
from .schemas import IOU_STOP_SCHEMA
|
|
from .schemas import IOU_RELOAD_SCHEMA
|
|
from .schemas import IOU_ALLOCATE_UDP_PORT_SCHEMA
|
|
from .schemas import IOU_ADD_NIO_SCHEMA
|
|
from .schemas import IOU_DELETE_NIO_SCHEMA
|
|
from .schemas import IOU_START_CAPTURE_SCHEMA
|
|
from .schemas import IOU_STOP_CAPTURE_SCHEMA
|
|
from .schemas import IOU_EXPORT_CONFIG_SCHEMA
|
|
|
|
import logging
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class IOU(IModule):
|
|
"""
|
|
IOU module.
|
|
|
|
:param name: module name
|
|
:param args: arguments for the module
|
|
:param kwargs: named arguments for the module
|
|
"""
|
|
|
|
def __init__(self, name, *args, **kwargs):
|
|
|
|
# get the iouyap location
|
|
config = Config.instance()
|
|
iou_config = config.get_section_config(name.upper())
|
|
self._iouyap = iou_config.get("iouyap_path")
|
|
if not self._iouyap or not os.path.isfile(self._iouyap):
|
|
paths = [os.getcwd()] + os.environ["PATH"].split(os.pathsep)
|
|
# look for iouyap in the current working directory and $PATH
|
|
for path in paths:
|
|
try:
|
|
if "iouyap" in os.listdir(path) and os.access(os.path.join(path, "iouyap"), os.X_OK):
|
|
self._iouyap = os.path.join(path, "iouyap")
|
|
break
|
|
except OSError:
|
|
continue
|
|
|
|
if not self._iouyap:
|
|
log.warning("iouyap binary couldn't be found!")
|
|
elif not os.access(self._iouyap, os.X_OK):
|
|
log.warning("iouyap is not executable")
|
|
|
|
# a new process start when calling IModule
|
|
IModule.__init__(self, name, *args, **kwargs)
|
|
self._iou_instances = {}
|
|
self._console_start_port_range = iou_config.get("console_start_port_range", 4001)
|
|
self._console_end_port_range = iou_config.get("console_end_port_range", 4500)
|
|
self._allocated_udp_ports = []
|
|
self._udp_start_port_range = iou_config.get("udp_start_port_range", 30001)
|
|
self._udp_end_port_range = iou_config.get("udp_end_port_range", 35000)
|
|
self._host = iou_config.get("host", kwargs["host"])
|
|
self._projects_dir = kwargs["projects_dir"]
|
|
self._tempdir = kwargs["temp_dir"]
|
|
self._working_dir = self._projects_dir
|
|
self._iourc = ""
|
|
|
|
# check every 5 seconds
|
|
self._iou_callback = self.add_periodic_callback(self._check_iou_is_alive, 5000)
|
|
self._iou_callback.start()
|
|
|
|
def stop(self, signum=None):
|
|
"""
|
|
Properly stops the module.
|
|
|
|
:param signum: signal number (if called by the signal handler)
|
|
"""
|
|
|
|
self._iou_callback.stop()
|
|
|
|
# delete all IOU instances
|
|
for iou_id in self._iou_instances:
|
|
iou_instance = self._iou_instances[iou_id]
|
|
iou_instance.delete()
|
|
|
|
self.delete_iourc_file()
|
|
|
|
IModule.stop(self, signum) # this will stop the I/O loop
|
|
|
|
def _check_iou_is_alive(self):
|
|
"""
|
|
Periodic callback to check if IOU and iouyap are alive
|
|
for each IOU instance.
|
|
|
|
Sends a notification to the client if not.
|
|
"""
|
|
|
|
for iou_id in self._iou_instances:
|
|
iou_instance = self._iou_instances[iou_id]
|
|
if iou_instance.started and (not iou_instance.is_running() or not iou_instance.is_iouyap_running()):
|
|
notification = {"module": self.name,
|
|
"id": iou_id,
|
|
"name": iou_instance.name}
|
|
if not iou_instance.is_running():
|
|
stdout = iou_instance.read_iou_stdout()
|
|
notification["message"] = "IOU has stopped running"
|
|
notification["details"] = stdout
|
|
self.send_notification("{}.iou_stopped".format(self.name), notification)
|
|
elif not iou_instance.is_iouyap_running():
|
|
stdout = iou_instance.read_iouyap_stdout()
|
|
notification["message"] = "iouyap has stopped running"
|
|
notification["details"] = stdout
|
|
self.send_notification("{}.iouyap_stopped".format(self.name), notification)
|
|
iou_instance.stop()
|
|
|
|
def get_iou_instance(self, iou_id):
|
|
"""
|
|
Returns an IOU device instance.
|
|
|
|
:param iou_id: IOU device identifier
|
|
|
|
:returns: IOUDevice instance
|
|
"""
|
|
|
|
if iou_id not in self._iou_instances:
|
|
log.debug("IOU device ID {} doesn't exist".format(iou_id), exc_info=1)
|
|
self.send_custom_error("IOU device ID {} doesn't exist".format(iou_id))
|
|
return None
|
|
return self._iou_instances[iou_id]
|
|
|
|
def delete_iourc_file(self):
|
|
"""
|
|
Deletes the IOURC file.
|
|
"""
|
|
|
|
if self._iourc and os.path.isfile(self._iourc):
|
|
try:
|
|
log.info("deleting iourc file {}".format(self._iourc))
|
|
os.remove(self._iourc)
|
|
except OSError as e:
|
|
log.warn("could not delete iourc file {}: {}".format(self._iourc, e))
|
|
|
|
@IModule.route("iou.reset")
|
|
def reset(self, request=None):
|
|
"""
|
|
Resets the module (JSON-RPC notification).
|
|
|
|
:param request: JSON request (not used)
|
|
"""
|
|
|
|
# delete all IOU instances
|
|
for iou_id in self._iou_instances:
|
|
iou_instance = self._iou_instances[iou_id]
|
|
iou_instance.delete()
|
|
|
|
# resets the instance IDs
|
|
IOUDevice.reset()
|
|
|
|
self._iou_instances.clear()
|
|
self._allocated_udp_ports.clear()
|
|
self.delete_iourc_file()
|
|
|
|
log.info("IOU module has been reset")
|
|
|
|
@IModule.route("iou.settings")
|
|
def settings(self, request):
|
|
"""
|
|
Set or update settings.
|
|
|
|
Mandatory request parameters:
|
|
- iourc (base64 encoded iourc file)
|
|
|
|
Optional request parameters:
|
|
- iouyap (path to iouyap)
|
|
- working_dir (path to a working directory)
|
|
- project_name
|
|
- console_start_port_range
|
|
- console_end_port_range
|
|
- udp_start_port_range
|
|
- udp_end_port_range
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
if request is None:
|
|
self.send_param_error()
|
|
return
|
|
|
|
if "iourc" in request:
|
|
iourc_content = base64.decodebytes(request["iourc"].encode("utf-8")).decode("utf-8")
|
|
iourc_content = iourc_content.replace("\r\n", "\n") # dos2unix
|
|
try:
|
|
with tempfile.NamedTemporaryFile(mode="w", delete=False) as f:
|
|
log.info("saving iourc file content to {}".format(f.name))
|
|
f.write(iourc_content)
|
|
self._iourc = f.name
|
|
except OSError as e:
|
|
raise IOUError("Could not create the iourc file: {}".format(e))
|
|
|
|
if "iouyap" in request and request["iouyap"]:
|
|
self._iouyap = request["iouyap"]
|
|
log.info("iouyap path set to {}".format(self._iouyap))
|
|
|
|
if "working_dir" in request:
|
|
new_working_dir = request["working_dir"]
|
|
log.info("this server is local with working directory path to {}".format(new_working_dir))
|
|
else:
|
|
new_working_dir = os.path.join(self._projects_dir, request["project_name"])
|
|
log.info("this server is remote with working directory path to {}".format(new_working_dir))
|
|
if self._projects_dir != self._working_dir != new_working_dir:
|
|
if not os.path.isdir(new_working_dir):
|
|
try:
|
|
shutil.move(self._working_dir, new_working_dir)
|
|
except OSError as e:
|
|
log.error("could not move working directory from {} to {}: {}".format(self._working_dir,
|
|
new_working_dir,
|
|
e))
|
|
return
|
|
|
|
# update the working directory if it has changed
|
|
if self._working_dir != new_working_dir:
|
|
self._working_dir = new_working_dir
|
|
for iou_id in self._iou_instances:
|
|
iou_instance = self._iou_instances[iou_id]
|
|
iou_instance.working_dir = os.path.join(self._working_dir, "iou", "device-{}".format(iou_instance.id))
|
|
|
|
if "console_start_port_range" in request and "console_end_port_range" in request:
|
|
self._console_start_port_range = request["console_start_port_range"]
|
|
self._console_end_port_range = request["console_end_port_range"]
|
|
|
|
if "udp_start_port_range" in request and "udp_end_port_range" in request:
|
|
self._udp_start_port_range = request["udp_start_port_range"]
|
|
self._udp_end_port_range = request["udp_end_port_range"]
|
|
|
|
log.debug("received request {}".format(request))
|
|
|
|
@IModule.route("iou.create")
|
|
def iou_create(self, request):
|
|
"""
|
|
Creates a new IOU instance.
|
|
|
|
Mandatory request parameters:
|
|
- path (path to the IOU executable)
|
|
|
|
Optional request parameters:
|
|
- name (IOU name)
|
|
- console (IOU console port)
|
|
|
|
Response parameters:
|
|
- id (IOU instance identifier)
|
|
- name (IOU name)
|
|
- default settings
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_CREATE_SCHEMA):
|
|
return
|
|
|
|
name = request["name"]
|
|
iou_path = request["path"]
|
|
console = request.get("console")
|
|
iou_id = request.get("iou_id")
|
|
|
|
updated_iou_path = os.path.join(self.images_directory, iou_path)
|
|
if os.path.isfile(updated_iou_path):
|
|
iou_path = updated_iou_path
|
|
|
|
try:
|
|
iou_instance = IOUDevice(name,
|
|
iou_path,
|
|
self._working_dir,
|
|
self._host,
|
|
iou_id,
|
|
console,
|
|
self._console_start_port_range,
|
|
self._console_end_port_range)
|
|
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
response = {"name": iou_instance.name,
|
|
"id": iou_instance.id}
|
|
|
|
defaults = iou_instance.defaults()
|
|
response.update(defaults)
|
|
self._iou_instances[iou_instance.id] = iou_instance
|
|
self.send_response(response)
|
|
|
|
@IModule.route("iou.delete")
|
|
def iou_delete(self, request):
|
|
"""
|
|
Deletes an IOU instance.
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU instance identifier)
|
|
|
|
Response parameter:
|
|
- True on success
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_DELETE_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
try:
|
|
iou_instance.clean_delete()
|
|
del self._iou_instances[request["id"]]
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
self.send_response(True)
|
|
|
|
@IModule.route("iou.update")
|
|
def iou_update(self, request):
|
|
"""
|
|
Updates an IOU instance
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU instance identifier)
|
|
|
|
Optional request parameters:
|
|
- any setting to update
|
|
- initial_config_base64 (initial-config base64 encoded)
|
|
|
|
Response parameters:
|
|
- updated settings
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_UPDATE_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
config_path = os.path.join(iou_instance.working_dir, "initial-config.cfg")
|
|
try:
|
|
if "initial_config_base64" in request:
|
|
# a new initial-config has been pushed
|
|
config = base64.decodebytes(request["initial_config_base64"].encode("utf-8")).decode("utf-8")
|
|
config = "!\n" + config.replace("\r", "")
|
|
config = config.replace('%h', iou_instance.name)
|
|
try:
|
|
with open(config_path, "w") as f:
|
|
log.info("saving initial-config to {}".format(config_path))
|
|
f.write(config)
|
|
except OSError as e:
|
|
raise IOUError("Could not save the configuration {}: {}".format(config_path, e))
|
|
# update the request with the new local initial-config path
|
|
request["initial_config"] = os.path.basename(config_path)
|
|
elif "initial_config" in request:
|
|
if os.path.isfile(request["initial_config"]) and request["initial_config"] != config_path:
|
|
# this is a local file set in the GUI
|
|
try:
|
|
with open(request["initial_config"], "r", errors="replace") as f:
|
|
config = f.read()
|
|
with open(config_path, "w") as f:
|
|
config = "!\n" + config.replace("\r", "")
|
|
config = config.replace('%h', iou_instance.name)
|
|
f.write(config)
|
|
request["initial_config"] = os.path.basename(config_path)
|
|
except OSError as e:
|
|
raise IOUError("Could not save the configuration from {} to {}: {}".format(request["initial_config"], config_path, e))
|
|
elif not os.path.isfile(config_path):
|
|
raise IOUError("Startup-config {} could not be found on this server".format(request["initial_config"]))
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
# update the IOU settings
|
|
response = {}
|
|
for name, value in request.items():
|
|
if hasattr(iou_instance, name) and getattr(iou_instance, name) != value:
|
|
try:
|
|
setattr(iou_instance, name, value)
|
|
response[name] = value
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
self.send_response(response)
|
|
|
|
@IModule.route("iou.start")
|
|
def vm_start(self, request):
|
|
"""
|
|
Starts an IOU instance.
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU instance identifier)
|
|
|
|
Response parameters:
|
|
- True on success
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_START_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
try:
|
|
iou_instance.iouyap = self._iouyap
|
|
iou_instance.iourc = self._iourc
|
|
iou_instance.start()
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
self.send_response(True)
|
|
|
|
@IModule.route("iou.stop")
|
|
def vm_stop(self, request):
|
|
"""
|
|
Stops an IOU instance.
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU instance identifier)
|
|
|
|
Response parameters:
|
|
- True on success
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_STOP_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
try:
|
|
iou_instance.stop()
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
self.send_response(True)
|
|
|
|
@IModule.route("iou.reload")
|
|
def vm_reload(self, request):
|
|
"""
|
|
Reloads an IOU instance.
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU identifier)
|
|
|
|
Response parameters:
|
|
- True on success
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_RELOAD_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
try:
|
|
if iou_instance.is_running():
|
|
iou_instance.stop()
|
|
iou_instance.start()
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
self.send_response(True)
|
|
|
|
@IModule.route("iou.allocate_udp_port")
|
|
def allocate_udp_port(self, request):
|
|
"""
|
|
Allocates a UDP port in order to create an UDP NIO.
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU identifier)
|
|
- port_id (unique port identifier)
|
|
|
|
Response parameters:
|
|
- port_id (unique port identifier)
|
|
- lport (allocated local port)
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_ALLOCATE_UDP_PORT_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
try:
|
|
port = find_unused_port(self._udp_start_port_range,
|
|
self._udp_end_port_range,
|
|
host=self._host,
|
|
socket_type="UDP",
|
|
ignore_ports=self._allocated_udp_ports)
|
|
except Exception as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
self._allocated_udp_ports.append(port)
|
|
log.info("{} [id={}] has allocated UDP port {} with host {}".format(iou_instance.name,
|
|
iou_instance.id,
|
|
port,
|
|
self._host))
|
|
response = {"lport": port,
|
|
"port_id": request["port_id"]}
|
|
self.send_response(response)
|
|
|
|
@IModule.route("iou.add_nio")
|
|
def add_nio(self, request):
|
|
"""
|
|
Adds an NIO (Network Input/Output) for an IOU instance.
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU instance identifier)
|
|
- slot (slot number)
|
|
- port (port number)
|
|
- port_id (unique port identifier)
|
|
- nio (one of the following)
|
|
- type "nio_udp"
|
|
- lport (local port)
|
|
- rhost (remote host)
|
|
- rport (remote port)
|
|
- type "nio_generic_ethernet"
|
|
- ethernet_device (Ethernet device name e.g. eth0)
|
|
- type "nio_tap"
|
|
- tap_device (TAP device name e.g. tap0)
|
|
|
|
Response parameters:
|
|
- port_id (unique port identifier)
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_ADD_NIO_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
slot = request["slot"]
|
|
port = request["port"]
|
|
try:
|
|
nio = None
|
|
if request["nio"]["type"] == "nio_udp":
|
|
lport = request["nio"]["lport"]
|
|
rhost = request["nio"]["rhost"]
|
|
rport = request["nio"]["rport"]
|
|
try:
|
|
#TODO: handle IPv6
|
|
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
|
|
sock.connect((rhost, rport))
|
|
except OSError as e:
|
|
raise IOUError("Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
|
|
nio = NIO_UDP(lport, rhost, rport)
|
|
elif request["nio"]["type"] == "nio_tap":
|
|
tap_device = request["nio"]["tap_device"]
|
|
if not has_privileged_access(self._iouyap):
|
|
raise IOUError("{} has no privileged access to {}.".format(self._iouyap, tap_device))
|
|
nio = NIO_TAP(tap_device)
|
|
elif request["nio"]["type"] == "nio_generic_ethernet":
|
|
ethernet_device = request["nio"]["ethernet_device"]
|
|
if not has_privileged_access(self._iouyap):
|
|
raise IOUError("{} has no privileged access to {}.".format(self._iouyap, ethernet_device))
|
|
nio = NIO_GenericEthernet(ethernet_device)
|
|
if not nio:
|
|
raise IOUError("Requested NIO does not exist or is not supported: {}".format(request["nio"]["type"]))
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
try:
|
|
iou_instance.slot_add_nio_binding(slot, port, nio)
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
self.send_response({"port_id": request["port_id"]})
|
|
|
|
@IModule.route("iou.delete_nio")
|
|
def delete_nio(self, request):
|
|
"""
|
|
Deletes an NIO (Network Input/Output).
|
|
|
|
Mandatory request parameters:
|
|
- id (IOU instance identifier)
|
|
- slot (slot identifier)
|
|
- port (port identifier)
|
|
|
|
Response parameters:
|
|
- True on success
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_DELETE_NIO_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
slot = request["slot"]
|
|
port = request["port"]
|
|
try:
|
|
nio = iou_instance.slot_remove_nio_binding(slot, port)
|
|
if isinstance(nio, NIO_UDP) and nio.lport in self._allocated_udp_ports:
|
|
self._allocated_udp_ports.remove(nio.lport)
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
self.send_response(True)
|
|
|
|
@IModule.route("iou.start_capture")
|
|
def start_capture(self, request):
|
|
"""
|
|
Starts a packet capture.
|
|
|
|
Mandatory request parameters:
|
|
- id (vm identifier)
|
|
- slot (slot number)
|
|
- port (port number)
|
|
- port_id (port identifier)
|
|
- capture_file_name
|
|
|
|
Optional request parameters:
|
|
- data_link_type (PCAP DLT_* value)
|
|
|
|
Response parameters:
|
|
- port_id (port identifier)
|
|
- capture_file_path (path to the capture file)
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_START_CAPTURE_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
slot = request["slot"]
|
|
port = request["port"]
|
|
capture_file_name = request["capture_file_name"]
|
|
data_link_type = request.get("data_link_type")
|
|
|
|
try:
|
|
capture_file_path = os.path.join(self._working_dir, "captures", capture_file_name)
|
|
iou_instance.start_capture(slot, port, capture_file_path, data_link_type)
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
response = {"port_id": request["port_id"],
|
|
"capture_file_path": capture_file_path}
|
|
self.send_response(response)
|
|
|
|
@IModule.route("iou.stop_capture")
|
|
def stop_capture(self, request):
|
|
"""
|
|
Stops a packet capture.
|
|
|
|
Mandatory request parameters:
|
|
- id (vm identifier)
|
|
- slot (slot number)
|
|
- port (port number)
|
|
- port_id (port identifier)
|
|
|
|
Response parameters:
|
|
- port_id (port identifier)
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_STOP_CAPTURE_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
slot = request["slot"]
|
|
port = request["port"]
|
|
try:
|
|
iou_instance.stop_capture(slot, port)
|
|
except IOUError as e:
|
|
self.send_custom_error(str(e))
|
|
return
|
|
|
|
response = {"port_id": request["port_id"]}
|
|
self.send_response(response)
|
|
|
|
@IModule.route("iou.export_config")
|
|
def export_config(self, request):
|
|
"""
|
|
Exports the initial-config from an IOU instance.
|
|
|
|
Mandatory request parameters:
|
|
- id (vm identifier)
|
|
|
|
Response parameters:
|
|
- initial_config_base64 (initial-config base64 encoded)
|
|
- False if no configuration can be exported
|
|
"""
|
|
|
|
# validate the request
|
|
if not self.validate_request(request, IOU_EXPORT_CONFIG_SCHEMA):
|
|
return
|
|
|
|
# get the instance
|
|
iou_instance = self.get_iou_instance(request["id"])
|
|
if not iou_instance:
|
|
return
|
|
|
|
if not iou_instance.initial_config:
|
|
self.send_custom_error("unable to export the initial-config because it doesn't exist")
|
|
return
|
|
|
|
response = {}
|
|
initial_config_path = os.path.join(iou_instance.working_dir, iou_instance.initial_config)
|
|
try:
|
|
with open(initial_config_path, "rb") as f:
|
|
config = f.read()
|
|
response["initial_config_base64"] = base64.encodebytes(config).decode("utf-8")
|
|
except OSError as e:
|
|
self.send_custom_error("unable to export the initial-config: {}".format(e))
|
|
return
|
|
|
|
if not response:
|
|
self.send_response(False)
|
|
else:
|
|
self.send_response(response)
|
|
|
|
@IModule.route("iou.echo")
|
|
def echo(self, request):
|
|
"""
|
|
Echo end point for testing purposes.
|
|
|
|
:param request: JSON request
|
|
"""
|
|
|
|
if request is None:
|
|
self.send_param_error()
|
|
else:
|
|
log.debug("received request {}".format(request))
|
|
self.send_response(request)
|