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gns3-server/tests/controller/test_compute.py

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#!/usr/bin/env python
#
# Copyright (C) 2016 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/>.
import os
import json
import pytest
import socket
import aiohttp
import asyncio
from unittest.mock import patch, MagicMock
from gns3server.controller.project import Project
from gns3server.controller.compute import Compute, ComputeError, ComputeConflict
from gns3server.version import __version__
from tests.utils import asyncio_patch, AsyncioMagicMock
@pytest.fixture
def compute(controller):
compute = Compute("my_compute_id", protocol="https", host="example.com", port=84, controller=controller)
compute._connected = True
return compute
def test_init(compute):
assert compute.id == "my_compute_id"
def test_getUrl(controller):
compute = Compute("my_compute_id", protocol="https", host="localhost", port=84, controller=controller)
assert compute._getUrl("/test") == "https://localhost:84/v2/compute/test"
# IPV6 localhost
compute = Compute("my_compute_id", protocol="https", host="::1", port=84, controller=controller)
assert compute._getUrl("/test") == "https://[::1]:84/v2/compute/test"
# Listen on all interfaces aka 0.0.0.0 require us to connect via 127.0.0.1
compute = Compute("my_compute_id", protocol="https", host="0.0.0.0", port=84, controller=controller)
assert compute._getUrl("/test") == "https://127.0.0.1:84/v2/compute/test"
# IPV6
compute = Compute("my_compute_id", protocol="https", host="::", port=84, controller=controller)
assert compute._getUrl("/test") == "https://[::1]:84/v2/compute/test"
def test_get_url(controller):
compute = Compute("my_compute_id", protocol="https", host="localhost", port=84, controller=controller)
with patch('gns3server.controller.compute.Compute._getUrl', return_value="returned") as getURL:
assert compute.get_url("/test") == 'returned'
getURL.assert_called_once_with('/test')
def test_host_ip(controller):
compute = Compute("my_compute_id", protocol="https", host="localhost", port=84, controller=controller)
assert compute.host_ip == "127.0.0.1"
def test_name():
c = Compute("my_compute_id", protocol="https", host="example.com", port=84, controller=MagicMock(), name=None)
assert c.name == "https://example.com:84"
c = Compute("world", protocol="https", host="example.com", port=84, controller=MagicMock(), name="hello")
assert c.name == "hello"
c = Compute("world", protocol="https", host="example.com", port=84, controller=MagicMock(), user="azertyuiopqsdfghjklkm")
assert c.name == "https://azertyuiopq...@example.com:84"
def test_compute_httpQuery(compute, async_run):
response = MagicMock()
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
response.status = 200
async_run(compute.post("/projects", {"a": "b"}))
mock.assert_called_with("POST", "https://example.com:84/v2/compute/projects", data=b'{"a": "b"}', headers={'content-type': 'application/json'}, auth=None, chunked=None, timeout=20)
assert compute._auth is None
def test_compute_httpQueryAuth(compute, async_run):
response = MagicMock()
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
response.status = 200
compute.user = "root"
compute.password = "toor"
async_run(compute.post("/projects", {"a": "b"}))
mock.assert_called_with("POST", "https://example.com:84/v2/compute/projects", data=b'{"a": "b"}', headers={'content-type': 'application/json'}, auth=compute._auth, chunked=None, timeout=20)
assert compute._auth.login == "root"
assert compute._auth.password == "toor"
def test_compute_httpQueryNotConnected(compute, controller, async_run):
controller._notification = MagicMock()
compute._connected = False
response = AsyncioMagicMock()
response.read = AsyncioMagicMock(return_value=json.dumps({"version": __version__}).encode())
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
async_run(compute.post("/projects", {"a": "b"}))
mock.assert_any_call("GET", "https://example.com:84/v2/compute/capabilities", headers={'content-type': 'application/json'}, data=None, auth=None, chunked=None, timeout=20)
mock.assert_any_call("POST", "https://example.com:84/v2/compute/projects", data=b'{"a": "b"}', headers={'content-type': 'application/json'}, auth=None, chunked=None, timeout=20)
assert compute._connected
assert compute._capabilities["version"] == __version__
controller.notification.emit.assert_called_with("compute.updated", compute.__json__())
def test_compute_httpQueryNotConnectedGNS3vmNotRunning(compute, controller, async_run):
"""
We are not connected to the remote and it's a GNS3 VM. So we need to start it
"""
controller._notification = MagicMock()
controller.gns3vm = AsyncioMagicMock()
controller.gns3vm.running = False
compute._id = "vm"
compute._connected = False
response = AsyncioMagicMock()
response.read = AsyncioMagicMock(return_value=json.dumps({"version": __version__}).encode())
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
async_run(compute.post("/projects", {"a": "b"}))
mock.assert_any_call("GET", "https://example.com:84/v2/compute/capabilities", headers={'content-type': 'application/json'}, data=None, auth=None, chunked=None, timeout=20)
mock.assert_any_call("POST", "https://example.com:84/v2/compute/projects", data=b'{"a": "b"}', headers={'content-type': 'application/json'}, auth=None, chunked=None, timeout=20)
assert controller.gns3vm.start.called
assert compute._connected
assert compute._capabilities["version"] == __version__
controller.notification.emit.assert_called_with("compute.updated", compute.__json__())
def test_compute_httpQueryNotConnectedInvalidVersion(compute, async_run):
compute._connected = False
response = AsyncioMagicMock()
response.read = AsyncioMagicMock(return_value=json.dumps({"version": "1.42.4"}).encode())
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
with pytest.raises(aiohttp.web.HTTPConflict):
async_run(compute.post("/projects", {"a": "b"}))
mock.assert_any_call("GET", "https://example.com:84/v2/compute/capabilities", headers={'content-type': 'application/json'}, data=None, auth=None, chunked=None, timeout=20)
def test_compute_httpQueryNotConnectedNonGNS3Server(compute, async_run):
compute._connected = False
response = AsyncioMagicMock()
response.read = AsyncioMagicMock(return_value=b'Blocked by super antivirus')
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
with pytest.raises(aiohttp.web.HTTPConflict):
async_run(compute.post("/projects", {"a": "b"}))
mock.assert_any_call("GET", "https://example.com:84/v2/compute/capabilities", headers={'content-type': 'application/json'}, data=None, auth=None, chunked=None, timeout=20)
def test_compute_httpQueryNotConnectedNonGNS3Server2(compute, async_run):
compute._connected = False
response = AsyncioMagicMock()
response.read = AsyncioMagicMock(return_value=b'{}')
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
with pytest.raises(aiohttp.web.HTTPConflict):
async_run(compute.post("/projects", {"a": "b"}))
mock.assert_any_call("GET", "https://example.com:84/v2/compute/capabilities", headers={'content-type': 'application/json'}, data=None, auth=None, chunked=None, timeout=20)
def test_compute_httpQueryError(compute, async_run):
response = MagicMock()
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
response.status = 404
with pytest.raises(aiohttp.web.HTTPNotFound):
async_run(compute.post("/projects", {"a": "b"}))
def test_compute_httpQueryConflictError(compute, async_run):
response = MagicMock()
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
response.status = 409
response.read = AsyncioMagicMock(return_value=b'{"message": "Test"}')
with pytest.raises(ComputeConflict):
async_run(compute.post("/projects", {"a": "b"}))
def test_compute_httpQuery_project(compute, async_run):
response = MagicMock()
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
response.status = 200
project = Project(name="Test")
async_run(compute.post("/projects", project))
mock.assert_called_with("POST", "https://example.com:84/v2/compute/projects", data=json.dumps(project.__json__()), headers={'content-type': 'application/json'}, auth=None, chunked=None, timeout=20)
def test_connectNotification(compute, async_run):
ws_mock = AsyncioMagicMock()
call = 0
@asyncio.coroutine
def receive():
nonlocal call
call += 1
if call == 1:
response = MagicMock()
response.data = '{"action": "test", "event": {"a": 1}}'
response.tp = aiohttp.WSMsgType.text
return response
else:
response = MagicMock()
response.tp = aiohttp.WSMsgType.closed
return response
compute._controller._notification = MagicMock()
compute._http_session = AsyncioMagicMock(return_value=ws_mock)
compute._http_session.ws_connect = AsyncioMagicMock(return_value=ws_mock)
ws_mock.receive = receive
async_run(compute._connect_notification())
compute._controller.notification.dispatch.assert_called_with('test', {'a': 1}, compute_id=compute.id)
assert compute._connected is False
def test_connectNotificationPing(compute, async_run):
"""
When we receive a ping from a compute we update
the compute memory and CPU usage
"""
ws_mock = AsyncioMagicMock()
call = 0
@asyncio.coroutine
def receive():
nonlocal call
call += 1
if call == 1:
response = MagicMock()
response.data = '{"action": "ping", "event": {"cpu_usage_percent": 35.7, "memory_usage_percent": 80.7}}'
response.tp = aiohttp.WSMsgType.text
return response
else:
response = MagicMock()
response.tp = aiohttp.WSMsgType.closed
return response
compute._controller._notification = MagicMock()
compute._http_session = AsyncioMagicMock(return_value=ws_mock)
compute._http_session.ws_connect = AsyncioMagicMock(return_value=ws_mock)
ws_mock.receive = receive
async_run(compute._connect_notification())
assert not compute._controller.notification.dispatch.called
args, _ = compute._controller.notification.emit.call_args_list[0]
assert args[0] == "compute.updated"
assert args[1]["memory_usage_percent"] == 80.7
assert args[1]["cpu_usage_percent"] == 35.7
def test_json(compute):
compute.user = "test"
assert compute.__json__() == {
"compute_id": "my_compute_id",
"name": compute.name,
"protocol": "https",
"host": "example.com",
"port": 84,
"user": "test",
"cpu_usage_percent": None,
"memory_usage_percent": None,
"connected": True,
"capabilities": {
"version": None,
"node_types": []
}
}
assert compute.__json__(topology_dump=True) == {
"compute_id": "my_compute_id",
"name": compute.name,
"protocol": "https",
"host": "example.com",
"port": 84,
}
def test_streamFile(project, async_run, compute):
response = MagicMock()
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
async_run(compute.stream_file(project, "test/titi"))
mock.assert_called_with("GET", "https://example.com:84/v2/compute/projects/{}/stream/test/titi".format(project.id), auth=None, timeout=None)
def test_downloadFile(project, async_run, compute):
response = MagicMock()
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
async_run(compute.download_file(project, "test/titi"))
mock.assert_called_with("GET", "https://example.com:84/v2/compute/projects/{}/files/test/titi".format(project.id), auth=None)
def test_close(compute, async_run):
assert compute.connected is True
async_run(compute.close())
assert compute.connected is False
def test_update(compute, controller, async_run):
compute._controller._notification = MagicMock()
compute._controller.save = MagicMock()
compute.name = "Test"
compute.host = "example.org"
compute._connected = True
async_run(compute.update(name="Test 2"))
assert compute.name == "Test 2"
assert compute.host == "example.org"
controller.notification.emit.assert_called_with("compute.updated", compute.__json__())
assert compute.connected is False
assert compute._controller.save.called
def test_forward_get(compute, async_run):
response = MagicMock()
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
async_run(compute.forward("GET", "qemu", "images"))
mock.assert_called_with("GET", "https://example.com:84/v2/compute/qemu/images", auth=None, data=None, headers={'content-type': 'application/json'}, chunked=None, timeout=None)
def test_forward_404(compute, async_run):
response = MagicMock()
response.status = 404
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
with pytest.raises(aiohttp.web_exceptions.HTTPNotFound):
async_run(compute.forward("GET", "qemu", "images"))
def test_forward_post(compute, async_run):
response = MagicMock()
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
async_run(compute.forward("POST", "qemu", "img", data={"id": 42}))
mock.assert_called_with("POST", "https://example.com:84/v2/compute/qemu/img", auth=None, data=b'{"id": 42}', headers={'content-type': 'application/json'}, chunked=None, timeout=None)
def test_images(compute, async_run, images_dir):
"""
Will return image on compute and on controller
"""
response = MagicMock()
response.status = 200
response.read = AsyncioMagicMock(return_value=json.dumps([{
"filename": "linux.qcow2",
"path": "linux.qcow2",
"md5sum": "d41d8cd98f00b204e9800998ecf8427e",
"filesize": 0}]).encode())
open(os.path.join(images_dir, "QEMU", "asa.qcow2"), "w+").close()
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
images = async_run(compute.images("qemu"))
mock.assert_called_with("GET", "https://example.com:84/v2/compute/qemu/images", auth=None, data=None, headers={'content-type': 'application/json'}, chunked=None, timeout=None)
assert images == [
{"filename": "asa.qcow2", "path": "asa.qcow2", "md5sum": "d41d8cd98f00b204e9800998ecf8427e", "filesize": 0},
{"filename": "linux.qcow2", "path": "linux.qcow2", "md5sum": "d41d8cd98f00b204e9800998ecf8427e", "filesize": 0}
]
def test_list_files(project, async_run, compute):
res = [{"path": "test"}]
response = AsyncioMagicMock()
response.read = AsyncioMagicMock(return_value=json.dumps(res).encode())
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
assert async_run(compute.list_files(project)) == res
mock.assert_any_call("GET", "https://example.com:84/v2/compute/projects/{}/files".format(project.id), auth=None, chunked=None, data=None, headers={'content-type': 'application/json'}, timeout=120)
def test_interfaces(project, async_run, compute):
res = [
{
"id": "vmnet99",
"ip_address": "172.16.97.1",
"mac_address": "00:50:56:c0:00:63",
"name": "vmnet99",
"netmask": "255.255.255.0",
"type": "ethernet"
}
]
response = AsyncioMagicMock()
response.read = AsyncioMagicMock(return_value=json.dumps(res).encode())
response.status = 200
with asyncio_patch("aiohttp.ClientSession.request", return_value=response) as mock:
assert async_run(compute.interfaces()) == res
mock.assert_any_call("GET", "https://example.com:84/v2/compute/network/interfaces", auth=None, chunked=None, data=None, headers={'content-type': 'application/json'}, timeout=20)
def test_get_ip_on_same_subnet(controller, async_run):
compute1 = Compute("compute1", host="192.168.1.1", controller=controller)
compute1._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
},
{
"ip_address": "192.168.2.1",
"netmask": "255.255.255.0"
},
{
"ip_address": "192.168.1.1",
"netmask": "255.255.255.0"
},
]
# Case 1 both host are on the same network
compute2 = Compute("compute2", host="192.168.1.2", controller=controller)
compute2._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
},
{
"ip_address": "192.168.2.2",
"netmask": "255.255.255.0"
},
{
"ip_address": "192.168.1.2",
"netmask": "255.255.255.0"
}
]
assert async_run(compute1.get_ip_on_same_subnet(compute2)) == ("192.168.1.1", "192.168.1.2")
# Case 2 compute2 host is on a different network but a common interface is available
compute2 = Compute("compute2", host="127.0.0.1", controller=controller)
compute2._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
},
{
"ip_address": "192.168.4.2",
"netmask": "255.255.255.0"
},
{
"ip_address": "192.168.1.2",
"netmask": "255.255.255.0"
}
]
assert async_run(compute1.get_ip_on_same_subnet(compute2)) == ("192.168.1.1", "192.168.1.2")
#No common interface
compute2 = Compute("compute2", host="127.0.0.1", controller=controller)
compute2._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
}
]
with pytest.raises(ValueError):
async_run(compute1.get_ip_on_same_subnet(compute2))
# Ignore 169.254 network because it's for Windows special purpose
compute2 = Compute("compute2", host="192.168.1.2", controller=controller)
compute1 = Compute("compute1", host="192.168.2.1", controller=controller)
compute1._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
},
{
"ip_address": "169.254.1.1",
"netmask": "255.255.0.0"
},
]
compute2._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
},
{
"ip_address": "169.254.2.1",
"netmask": "255.255.0.0"
},
]
assert async_run(compute1.get_ip_on_same_subnet(compute2)) == ('192.168.2.1', '192.168.1.2')
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