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gns3-server
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Support network for IOU

Browse Source
pull/100/head
Julien Duponchelle 9 years ago
parent 9160d3caf4
commit f99d825346
8 changed files with 230 additions and 10 deletions
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46
gns3server/handlers/iou_handler.py
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@ -19,6 +19,7 @@ from ..web.route import Route
from ..schemas.iou import IOU_CREATE_SCHEMA
from ..schemas.iou import IOU_UPDATE_SCHEMA
from ..schemas.iou import IOU_OBJECT_SCHEMA
from ..schemas.iou import IOU_NIO_SCHEMA
from ..modules.iou import IOU
@ -187,3 +188,48 @@ class IOUHandler:
vm = iou_manager.get_vm(request.match_info["vm_id"], project_id=request.match_info["project_id"])
yield from vm.reload()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/iou/vms/{vm_id}/ports/{port_number:\d+}/nio",
parameters={
"project_id": "UUID for the project",
"vm_id": "UUID for the instance",
"port_number": "Port where the nio should be added"
},
status_codes={
201: "NIO created",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Add a NIO to a IOU instance",
input=IOU_NIO_SCHEMA,
output=IOU_NIO_SCHEMA)
def create_nio(request, response):
iou_manager = IOU.instance()
vm = iou_manager.get_vm(request.match_info["vm_id"], project_id=request.match_info["project_id"])
nio = iou_manager.create_nio(vm.iouyap_path, request.json)
vm.slot_add_nio_binding(0, int(request.match_info["port_number"]), nio)
response.set_status(201)
response.json(nio)
@classmethod
@Route.delete(
r"/projects/{project_id}/iou/vms/{vm_id}/ports/{port_number:\d+}/nio",
parameters={
"project_id": "UUID for the project",
"vm_id": "UUID for the instance",
"port_number": "Port from where the nio should be removed"
},
status_codes={
204: "NIO deleted",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Remove a NIO from a IOU instance")
def delete_nio(request, response):
iou_manager = IOU.instance()
vm = iou_manager.get_vm(request.match_info["vm_id"], project_id=request.match_info["project_id"])
vm.slot_remove_nio_binding(0, int(request.match_info["port_number"]))
response.set_status(204)

8
gns3server/modules/base_manager.py
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@ -32,8 +32,8 @@ from ..config import Config
from ..utils.asyncio import wait_run_in_executor
from .project_manager import ProjectManager
from .nios.nio_udp import NIOUDP
from .nios.nio_tap import NIOTAP
from .nios.nio_udp import NIO_UDP
from .nios.nio_tap import NIO_TAP
class BaseManager:
@ -274,11 +274,11 @@ class BaseManager:
sock.connect((rhost, rport))
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
nio = NIOUDP(lport, rhost, rport)
nio = NIO_UDP(lport, rhost, rport)
elif nio_settings["type"] == "nio_tap":
tap_device = nio_settings["tap_device"]
if not self._has_privileged_access(executable):
raise aiohttp.web.HTTPForbidden(text="{} has no privileged access to {}.".format(executable, tap_device))
nio = NIOTAP(tap_device)
nio = NIO_TAP(tap_device)
assert nio is not None
return nio

74
gns3server/modules/iou/iou_vm.py
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@ -35,6 +35,8 @@ from pkg_resources import parse_version
from .iou_error import IOUError
from ..adapters.ethernet_adapter import EthernetAdapter
from ..adapters.serial_adapter import SerialAdapter
from ..nios.nio_udp import NIO_UDP
from ..nios.nio_tap import NIO_TAP
from ..base_vm import BaseVM
from .ioucon import start_ioucon
@ -86,7 +88,7 @@ class IOUVM(BaseVM):
self._ethernet_adapters = []
self._serial_adapters = []
self.ethernet_adapters = 2 if ethernet_adapters is None else ethernet_adapters # one adapter = 4 interfaces
self.serial_adapters = 2 if serial_adapters is None else serial_adapters # one adapter = 4 interfaces
self.serial_adapters = 2 if serial_adapters is None else serial_adapters # one adapter = 4 interfaces
self._use_default_iou_values = True # for RAM & NVRAM values
self._nvram = 128 if nvram is None else nvram # Kilobytes
self._initial_config = ""
@ -529,6 +531,17 @@ class IOUVM(BaseVM):
return True
return False
def is_iouyap_running(self):
"""
Checks if the IOUYAP process is running
:returns: True or False
"""
if self._iouyap_process:
return True
return False
def _create_netmap_config(self):
"""
Creates the NETMAP file.
@ -687,3 +700,62 @@ class IOUVM(BaseVM):
adapters=len(self._serial_adapters)))
self._slots = self._ethernet_adapters + self._serial_adapters
def slot_add_nio_binding(self, slot_id, port_id, nio):
"""
Adds a slot NIO binding.
:param slot_id: slot ID
:param port_id: port ID
:param nio: NIO instance to add to the slot/port
"""
try:
adapter = self._slots[slot_id]
except IndexError:
raise IOUError("Slot {slot_id} doesn't exist on IOU {name}".format(name=self._name,
slot_id=slot_id))
if not adapter.port_exists(port_id):
raise IOUError("Port {port_id} doesn't exist in adapter {adapter}".format(adapter=adapter,
port_id=port_id))
adapter.add_nio(port_id, nio)
log.info("IOU {name} [id={id}]: {nio} added to {slot_id}/{port_id}".format(name=self._name,
id=self._id,
nio=nio,
slot_id=slot_id,
port_id=port_id))
if self.is_iouyap_running():
self._update_iouyap_config()
os.kill(self._iouyap_process.pid, signal.SIGHUP)
def slot_remove_nio_binding(self, slot_id, port_id):
"""
Removes a slot NIO binding.
:param slot_id: slot ID
:param port_id: port ID
:returns: NIO instance
"""
try:
adapter = self._slots[slot_id]
except IndexError:
raise IOUError("Slot {slot_id} doesn't exist on IOU {name}".format(name=self._name,
slot_id=slot_id))
if not adapter.port_exists(port_id):
raise IOUError("Port {port_id} doesn't exist in adapter {adapter}".format(adapter=adapter,
port_id=port_id))
nio = adapter.get_nio(port_id)
adapter.remove_nio(port_id)
log.info("IOU {name} [id={id}]: {nio} removed from {slot_id}/{port_id}".format(name=self._name,
id=self._id,
nio=nio,
slot_id=slot_id,
port_id=port_id))
if self.is_iouyap_running():
self._update_iouyap_config()
os.kill(self._iouyap_process.pid, signal.SIGHUP)
return nio

2
gns3server/modules/nios/nio_tap.py
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@ -22,7 +22,7 @@ Interface for TAP NIOs (UNIX based OSes only).
from .nio import NIO
class NIOTAP(NIO):
class NIO_TAP(NIO):
"""
TAP NIO.

2
gns3server/modules/nios/nio_udp.py
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@ -22,7 +22,7 @@ Interface for UDP NIOs.
from .nio import NIO
class NIOUDP(NIO):
class NIO_UDP(NIO):
"""
UDP NIO.

72
gns3server/schemas/iou.py
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@ -173,3 +173,75 @@ IOU_OBJECT_SCHEMA = {
"additionalProperties": False,
"required": ["name", "vm_id", "console", "project_id", "path", "serial_adapters", "ethernet_adapters", "ram", "nvram"]
}
IOU_NIO_SCHEMA = {
"$schema": "http://json-schema.org/draft-04/schema#",
"description": "Request validation to add a NIO for a VPCS instance",
"type": "object",
"definitions": {
"UDP": {
"description": "UDP Network Input/Output",
"properties": {
"type": {
"enum": ["nio_udp"]
},
"lport": {
"description": "Local port",
"type": "integer",
"minimum": 1,
"maximum": 65535
},
"rhost": {
"description": "Remote host",
"type": "string",
"minLength": 1
},
"rport": {
"description": "Remote port",
"type": "integer",
"minimum": 1,
"maximum": 65535
}
},
"required": ["type", "lport", "rhost", "rport"],
"additionalProperties": False
},
"Ethernet": {
"description": "Generic Ethernet Network Input/Output",
"properties": {
"type": {
"enum": ["nio_generic_ethernet"]
},
"ethernet_device": {
"description": "Ethernet device name e.g. eth0",
"type": "string",
"minLength": 1
},
},
"required": ["type", "ethernet_device"],
"additionalProperties": False
},
"TAP": {
"description": "TAP Network Input/Output",
"properties": {
"type": {
"enum": ["nio_tap"]
},
"tap_device": {
"description": "TAP device name e.g. tap0",
"type": "string",
"minLength": 1
},
},
"required": ["type", "tap_device"],
"additionalProperties": False
},
},
"oneOf": [
{"$ref": "#/definitions/UDP"},
{"$ref": "#/definitions/Ethernet"},
{"$ref": "#/definitions/TAP"},
],
"additionalProperties": True,
"required": ["type"]
}

6
gns3server/web/route.py
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@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
from ..modules.vm_error import VMError
from .response import Response
@asyncio.coroutine
def parse_request(request, input_schema):
"""Parse body of request and raise HTTP errors in case of problems"""
@ -42,9 +43,8 @@ def parse_request(request, input_schema):
jsonschema.validate(request.json, input_schema)
except jsonschema.ValidationError as e:
log.error("Invalid input query. JSON schema error: {}".format(e.message))
raise aiohttp.web.HTTPBadRequest(text="Request is not {} '{}' in schema: {}".format(
e.validator,
e.validator_value,
raise aiohttp.web.HTTPBadRequest(text="Invalid JSON: {} in schema: {}".format(
e.message,
json.dumps(e.schema)))
return request

30
tests/api/test_iou.py
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@ -133,3 +133,33 @@ def test_iou_update(server, vm, tmpdir, free_console_port):
assert response.json["serial_adapters"] == 0
assert response.json["ram"] == 512
assert response.json["nvram"] == 2048
def test_iou_nio_create_udp(server, vm):
response = server.post("/projects/{project_id}/iou/vms/{vm_id}/ports/0/nio".format(project_id=vm["project_id"], vm_id=vm["vm_id"]), {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"},
example=True)
assert response.status == 201
assert response.route == "/projects/{project_id}/iou/vms/{vm_id}/ports/{port_number:\d+}/nio"
assert response.json["type"] == "nio_udp"
def test_iou_nio_create_tap(server, vm):
with patch("gns3server.modules.base_manager.BaseManager._has_privileged_access", return_value=True):
response = server.post("/projects/{project_id}/iou/vms/{vm_id}/ports/0/nio".format(project_id=vm["project_id"], vm_id=vm["vm_id"]), {"type": "nio_tap",
"tap_device": "test"})
assert response.status == 201
assert response.route == "/projects/{project_id}/iou/vms/{vm_id}/ports/{port_number:\d+}/nio"
assert response.json["type"] == "nio_tap"
def test_iou_delete_nio(server, vm):
server.post("/projects/{project_id}/iou/vms/{vm_id}/ports/0/nio".format(project_id=vm["project_id"], vm_id=vm["vm_id"]), {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"})
response = server.delete("/projects/{project_id}/iou/vms/{vm_id}/ports/0/nio".format(project_id=vm["project_id"], vm_id=vm["vm_id"]), example=True)
assert response.status == 204
assert response.route == "/projects/{project_id}/iou/vms/{vm_id}/ports/{port_number:\d+}/nio"

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