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gns3-server/tests/compute/docker/test_docker_vm.py

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 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 aiohttp
import asyncio
import pytest
import uuid
import sys
import os
from tests.utils import asyncio_patch, AsyncioMagicMock
from gns3server.ubridge.ubridge_error import UbridgeNamespaceError
from gns3server.compute.docker.docker_vm import DockerVM
from gns3server.compute.docker.docker_error import *
from gns3server.compute.docker import Docker
from gns3server.utils.get_resource import get_resource
from unittest.mock import patch, MagicMock, call
@pytest.fixture()
def manager(port_manager):
m = Docker.instance()
m.port_manager = port_manager
return m
@pytest.fixture(scope="function")
def vm(project, manager):
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest")
vm._cid = "e90e34656842"
vm.allocate_aux = False
return vm
def test_json(vm, project):
assert vm.__json__() == {
'container_id': 'e90e34656842',
'image': 'ubuntu:latest',
'name': 'test',
'project_id': project.id,
'node_id': vm.id,
'adapters': 1,
'console': vm.console,
'console_type': 'telnet',
'console_resolution': '1024x768',
'console_http_port': 80,
'console_http_path': '/',
'aux': vm.aux,
'start_command': vm.start_command,
'environment': vm.environment,
'node_directory': vm.working_dir,
'status': 'stopped'
}
def test_start_command(vm):
vm.start_command = "hello"
assert vm.start_command == "hello"
vm.start_command = " "
assert vm.start_command is None
def test_create(loop, project, manager):
response = {
"Id": "e90e34656806",
"Warnings": []
}
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest")
loop.run_until_complete(asyncio.async(vm.create()))
mock.assert_called_with("POST", "containers/create", data={
"Tty": True,
"OpenStdin": True,
"StdinOnce": False,
"HostConfig":
{
"CapAdd": ["ALL"],
"Binds": [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
],
"Privileged": True
},
"Volumes": {},
"NetworkDisabled": True,
"Name": "test",
"Hostname": "test",
"Image": "ubuntu:latest",
"Env": [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network"
],
"Entrypoint": ["/gns3/init.sh"],
"Cmd": ["/bin/sh"]
})
assert vm._cid == "e90e34656806"
def test_create_with_tag(loop, project, manager):
response = {
"Id": "e90e34656806",
"Warnings": []
}
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:16.04")
loop.run_until_complete(asyncio.async(vm.create()))
mock.assert_called_with("POST", "containers/create", data={
"Tty": True,
"OpenStdin": True,
"StdinOnce": False,
"HostConfig":
{
"CapAdd": ["ALL"],
"Binds": [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
],
"Privileged": True
},
"Volumes": {},
"NetworkDisabled": True,
"Name": "test",
"Hostname": "test",
"Image": "ubuntu:16.04",
"Env": [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network"
],
"Entrypoint": ["/gns3/init.sh"],
"Cmd": ["/bin/sh"]
})
assert vm._cid == "e90e34656806"
def test_create_vnc(loop, project, manager):
response = {
"Id": "e90e34656806",
"Warnings": []
}
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu", console_type="vnc", console=5900)
vm._start_vnc = MagicMock()
vm._display = 42
loop.run_until_complete(asyncio.async(vm.create()))
mock.assert_called_with("POST", "containers/create", data={
"Tty": True,
"OpenStdin": True,
"StdinOnce": False,
"HostConfig":
{
"CapAdd": ["ALL"],
"Binds": [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network")),
'/tmp/.X11-unix/:/tmp/.X11-unix/'
],
"Privileged": True
},
"Volumes": {},
"NetworkDisabled": True,
"Name": "test",
"Hostname": "test",
"Image": "ubuntu:latest",
"Env": [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network",
"QT_GRAPHICSSYSTEM=native",
"DISPLAY=:42"
],
"Entrypoint": ["/gns3/init.sh"],
"Cmd": ["/bin/sh"]
})
assert vm._start_vnc.called
assert vm._cid == "e90e34656806"
assert vm._console_type == "vnc"
def test_create_with_extra_hosts(loop, project, manager):
extra_hosts = "test:199.199.199.1\ntest2:199.199.199.1"
response = {
"Id": "e90e34656806",
"Warnings": []
}
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu", extra_hosts=extra_hosts)
vm._start_vnc = MagicMock()
vm._display = 42
loop.run_until_complete(asyncio.async(vm.create()))
called_kwargs = mock.call_args[1]
assert called_kwargs["data"]["HostConfig"]["ExtraHosts"] == [
"test:199.199.199.1",
"test2:199.199.199.1"
]
assert vm._extra_hosts == extra_hosts
def test_create_start_cmd(loop, project, manager):
response = {
"Id": "e90e34656806",
"Warnings": []
}
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest")
vm._start_command = "/bin/ls"
loop.run_until_complete(asyncio.async(vm.create()))
mock.assert_called_with("POST", "containers/create", data={
"Tty": True,
"OpenStdin": True,
"StdinOnce": False,
"HostConfig":
{
"CapAdd": ["ALL"],
"Binds": [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
],
"Privileged": True
},
"Volumes": {},
"Entrypoint": ["/gns3/init.sh"],
"Cmd": ["/bin/ls"],
"NetworkDisabled": True,
"Name": "test",
"Hostname": "test",
"Image": "ubuntu:latest",
"Env": [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network"
]
})
assert vm._cid == "e90e34656806"
def test_create_environment(loop, project, manager):
"""
Allow user to pass an environnement. User can't override our
internal variables
"""
response = {
"Id": "e90e34656806",
"Warnings": []
}
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]):
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
vm.environment = "YES=1\nNO=0\nGNS3_MAX_ETHERNET=eth2"
loop.run_until_complete(asyncio.async(vm.create()))
assert mock.call_args[1]['data']['Env'] == [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network",
"YES=1",
"NO=0"
]
def test_create_environment_with_last_new_line_character(loop, project, manager):
"""
Allow user to pass an environnement. User can't override our
internal variables
"""
response = {
"Id": "e90e34656806",
"Warnings": []
}
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]):
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
vm.environment = "YES=1\nNO=0\nGNS3_MAX_ETHERNET=eth2\n"
loop.run_until_complete(asyncio.async(vm.create()))
assert mock.call_args[1]['data']['Env'] == [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network",
"YES=1",
"NO=0"
]
def test_create_image_not_available(loop, project, manager):
call = 0
@asyncio.coroutine
def information():
nonlocal call
if call == 0:
call += 1
raise DockerHttp404Error("missing")
else:
return {}
response = {
"Id": "e90e34656806",
"Warnings": []
}
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
vm._get_image_information = MagicMock()
vm._get_image_information.side_effect = information
with asyncio_patch("gns3server.compute.docker.DockerVM.pull_image", return_value=True) as mock_pull:
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
loop.run_until_complete(asyncio.async(vm.create()))
mock.assert_called_with("POST", "containers/create", data={
"Tty": True,
"OpenStdin": True,
"StdinOnce": False,
"HostConfig":
{
"CapAdd": ["ALL"],
"Binds": [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
],
"Privileged": True
},
"Volumes": {},
"NetworkDisabled": True,
"Name": "test",
"Hostname": "test",
"Image": "ubuntu:latest",
"Env": [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network"
],
"Entrypoint": ["/gns3/init.sh"],
"Cmd": ["/bin/sh"]
})
assert vm._cid == "e90e34656806"
mock_pull.assert_called_with("ubuntu:latest")
def test_get_container_state(loop, vm):
response = {
"State": {
"Error": "",
"ExitCode": 9,
"FinishedAt": "2015-01-06T15:47:32.080254511Z",
"OOMKilled": False,
"Paused": False,
"Pid": 0,
"Restarting": False,
"Running": True,
"StartedAt": "2015-01-06T15:47:32.072697474Z"
}
}
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
assert loop.run_until_complete(asyncio.async(vm._get_container_state())) == "running"
response["State"]["Running"] = False
response["State"]["Paused"] = True
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
assert loop.run_until_complete(asyncio.async(vm._get_container_state())) == "paused"
response["State"]["Running"] = False
response["State"]["Paused"] = False
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
assert loop.run_until_complete(asyncio.async(vm._get_container_state())) == "exited"
def test_is_running(loop, vm):
response = {
"State": {
"Running": False,
"Paused": False
}
}
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
assert loop.run_until_complete(asyncio.async(vm.is_running())) is False
response["State"]["Running"] = True
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
assert loop.run_until_complete(asyncio.async(vm.is_running())) is True
def test_pause(loop, vm):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock:
loop.run_until_complete(asyncio.async(vm.pause()))
mock.assert_called_with("POST", "containers/e90e34656842/pause")
assert vm.status == "suspended"
def test_unpause(loop, vm):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock:
loop.run_until_complete(asyncio.async(vm.unpause()))
mock.assert_called_with("POST", "containers/e90e34656842/unpause")
def test_start(loop, vm, manager, free_console_port):
assert vm.status != "started"
vm.adapters = 1
vm.allocate_aux = True
vm._start_aux = AsyncioMagicMock()
vm._get_container_state = AsyncioMagicMock(return_value="stopped")
vm._start_ubridge = AsyncioMagicMock()
vm._get_namespace = AsyncioMagicMock(return_value=42)
vm._add_ubridge_connection = AsyncioMagicMock()
vm._start_console = AsyncioMagicMock()
nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
loop.run_until_complete(asyncio.async(vm.start()))
mock_query.assert_called_with("POST", "containers/e90e34656842/start")
vm._add_ubridge_connection.assert_called_once_with(nio, 0)
assert vm._start_ubridge.called
assert vm._start_console.called
assert vm._start_aux.called
assert vm.status == "started"
def test_start_namespace_failed(loop, vm, manager, free_console_port):
assert vm.status != "started"
vm.adapters = 1
nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
with asyncio_patch("gns3server.compute.docker.DockerVM._start_ubridge") as mock_start_ubridge:
with asyncio_patch("gns3server.compute.docker.DockerVM._get_namespace", return_value=42) as mock_namespace:
with asyncio_patch("gns3server.compute.docker.DockerVM._add_ubridge_connection", side_effect=UbridgeNamespaceError()) as mock_add_ubridge_connection:
with asyncio_patch("gns3server.compute.docker.DockerVM._get_log", return_value='Hello not available') as mock_log:
with pytest.raises(DockerError):
loop.run_until_complete(asyncio.async(vm.start()))
mock_query.assert_any_call("POST", "containers/e90e34656842/start")
mock_add_ubridge_connection.assert_called_once_with(nio, 0)
assert mock_start_ubridge.called
assert vm.status == "stopped"
def test_start_without_nio(loop, vm, manager, free_console_port):
"""
If no nio exists we will create one.
"""
assert vm.status != "started"
vm.adapters = 1
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
with asyncio_patch("gns3server.compute.docker.DockerVM._start_ubridge") as mock_start_ubridge:
with asyncio_patch("gns3server.compute.docker.DockerVM._get_namespace", return_value=42) as mock_namespace:
with asyncio_patch("gns3server.compute.docker.DockerVM._add_ubridge_connection") as mock_add_ubridge_connection:
with asyncio_patch("gns3server.compute.docker.DockerVM._start_console") as mock_start_console:
loop.run_until_complete(asyncio.async(vm.start()))
mock_query.assert_called_with("POST", "containers/e90e34656842/start")
assert mock_add_ubridge_connection.called
assert mock_start_ubridge.called
assert mock_start_console.called
assert vm.status == "started"
def test_start_unpause(loop, vm, manager, free_console_port):
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="paused"):
with asyncio_patch("gns3server.compute.docker.DockerVM.unpause", return_value="paused") as mock:
loop.run_until_complete(asyncio.async(vm.start()))
assert mock.called
assert vm.status == "started"
def test_restart(loop, vm):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock:
loop.run_until_complete(asyncio.async(vm.restart()))
mock.assert_called_with("POST", "containers/e90e34656842/restart")
def test_stop(loop, vm):
mock = MagicMock()
vm._ubridge_hypervisor = mock
vm._ubridge_hypervisor.is_running.return_value = True
vm._fix_permissions = MagicMock()
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
loop.run_until_complete(asyncio.async(vm.stop()))
mock_query.assert_called_with("POST", "containers/e90e34656842/stop", params={"t": 5})
assert mock.stop.called
assert vm._ubridge_hypervisor is None
assert vm._fix_permissions.called
def test_stop_paused_container(loop, vm):
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="paused"):
with asyncio_patch("gns3server.compute.docker.DockerVM.unpause") as mock_unpause:
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
loop.run_until_complete(asyncio.async(vm.stop()))
mock_query.assert_called_with("POST", "containers/e90e34656842/stop", params={"t": 5})
assert mock_unpause.called
def test_update(loop, vm):
response = {
"Id": "e90e34656806",
"Warnings": []
}
original_console = vm.console
original_aux = vm.aux
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
loop.run_until_complete(asyncio.async(vm.update()))
mock_query.assert_any_call("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
mock_query.assert_any_call("POST", "containers/create", data={
"Tty": True,
"OpenStdin": True,
"StdinOnce": False,
"HostConfig":
{
"CapAdd": ["ALL"],
"Binds": [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
],
"Privileged": True
},
"Volumes": {},
"NetworkDisabled": True,
"Name": "test",
"Hostname": "test",
"Image": "ubuntu:latest",
"Env": [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network"
],
"Entrypoint": ["/gns3/init.sh"],
"Cmd": ["/bin/sh"]
})
assert vm.console == original_console
assert vm.aux == original_aux
def test_update_vnc(loop, vm):
response = {
"Id": "e90e34656806",
"Warnings": []
}
vm._console_type = "vnc"
vm._console = 5900
vm._display = "display"
original_console = vm.console
original_aux = vm.aux
with asyncio_patch("gns3server.compute.docker.DockerVM._start_vnc"):
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
loop.run_until_complete(asyncio.async(vm.update()))
assert vm.console == original_console
assert vm.aux == original_aux
def test_update_running(loop, vm):
response = {
"Id": "e90e34656806",
"Warnings": []
}
original_console = vm.console
vm.start = MagicMock()
with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
loop.run_until_complete(asyncio.async(vm.update()))
mock_query.assert_any_call("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
mock_query.assert_any_call("POST", "containers/create", data={
"Tty": True,
"OpenStdin": True,
"StdinOnce": False,
"HostConfig":
{
"CapAdd": ["ALL"],
"Binds": [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network"))
],
"Privileged": True
},
"Volumes": {},
"NetworkDisabled": True,
"Name": "test",
"Hostname": "test",
"Image": "ubuntu:latest",
"Env": [
"container=docker",
"GNS3_MAX_ETHERNET=eth0",
"GNS3_VOLUMES=/etc/network"
],
"Entrypoint": ["/gns3/init.sh"],
"Cmd": ["/bin/sh"]
})
assert vm.console == original_console
assert vm.start.called
def test_delete(loop, vm):
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
loop.run_until_complete(asyncio.async(vm.delete()))
mock_query.assert_called_with("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
def test_close(loop, vm, port_manager):
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
loop.run_until_complete(asyncio.async(vm.close()))
mock_query.assert_called_with("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
assert vm._closed is True
assert "4242" not in port_manager.udp_ports
def test_close_vnc(loop, vm, port_manager):
vm._console_type = "vnc"
vm._x11vnc_process = MagicMock()
vm._xvfb_process = MagicMock()
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
loop.run_until_complete(asyncio.async(vm.close()))
mock_query.assert_called_with("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
assert vm._closed is True
assert vm._xvfb_process.terminate.called
def test_get_namespace(loop, vm):
response = {
"State": {
"Pid": 42
}
}
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
assert loop.run_until_complete(asyncio.async(vm._get_namespace())) == 42
mock_query.assert_called_with("GET", "containers/e90e34656842/json")
def test_add_ubridge_connection(loop, vm):
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
nio.startPacketCapture("/tmp/capture.pcap")
vm._ubridge_hypervisor = MagicMock()
vm._namespace = 42
loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0)))
calls = [
call.send('bridge create bridge0'),
call.send("bridge add_nio_tap bridge0 tap-gns3-e0"),
call.send('docker move_to_ns tap-gns3-e0 42 eth0'),
call.send('bridge add_nio_udp bridge0 4242 127.0.0.1 4343'),
call.send('bridge start_capture bridge0 "/tmp/capture.pcap"'),
call.send('bridge start bridge0')
]
assert 'bridge0' in vm._bridges
# We need to check any_order ortherwise mock is confused by asyncio
vm._ubridge_hypervisor.assert_has_calls(calls, any_order=True)
def test_add_ubridge_connection_none_nio(loop, vm):
nio = None
vm._ubridge_hypervisor = MagicMock()
vm._namespace = 42
loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0)))
calls = [
call.send('bridge create bridge0'),
call.send("bridge add_nio_tap bridge0 tap-gns3-e0"),
call.send('docker move_to_ns tap-gns3-e0 42 eth0'),
]
assert 'bridge0' in vm._bridges
# We need to check any_order ortherwise mock is confused by asyncio
vm._ubridge_hypervisor.assert_has_calls(calls, any_order=True)
def test_add_ubridge_connection_invalid_adapter_number(loop, vm):
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
with pytest.raises(DockerError):
loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 12)))
def test_add_ubridge_connection_no_free_interface(loop, vm):
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
with pytest.raises(DockerError):
# We create fake ethernet interfaces for docker
interfaces = ["tap-gns3-e{}".format(index) for index in range(4096)]
with patch("psutil.net_if_addrs", return_value=interfaces):
loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0)))
def test_adapter_add_nio_binding(vm, loop):
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
assert vm._ethernet_adapters[0].get_nio(0) == nio
def test_adapter_udpate_nio_binding(vm, loop):
vm.ubridge = MagicMock()
vm.ubridge.is_running.return_value = True
vm._ubridge_apply_filters = AsyncioMagicMock()
vm._bridges = set(('bridge0', ))
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
loop.run_until_complete(asyncio.async(vm.adapter_update_nio_binding(0, nio)))
assert vm._ubridge_apply_filters.called
def test_adapter_udpate_nio_binding_bridge_not_started(vm, loop):
vm._ubridge_apply_filters = AsyncioMagicMock()
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
loop.run_until_complete(asyncio.async(vm.adapter_update_nio_binding(0, nio)))
assert vm._ubridge_apply_filters.called is False
def test_adapter_add_nio_binding_invalid_adapter(vm, loop):
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
with pytest.raises(DockerError):
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(12, nio)))
def test_adapter_remove_nio_binding(vm, loop):
vm.ubridge = MagicMock()
vm.ubridge.is_running.return_value = True
nio = {"type": "nio_udp",
"lport": 4242,
"rport": 4343,
"rhost": "127.0.0.1"}
nio = vm.manager.create_nio(nio)
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
with asyncio_patch("gns3server.compute.docker.DockerVM._ubridge_send") as delete_ubridge_mock:
loop.run_until_complete(asyncio.async(vm.adapter_remove_nio_binding(0)))
assert vm._ethernet_adapters[0].get_nio(0) is None
delete_ubridge_mock.assert_any_call('bridge stop bridge0')
delete_ubridge_mock.assert_any_call('bridge remove_nio_udp bridge0 4242 127.0.0.1 4343')
def test_adapter_remove_nio_binding_invalid_adapter(vm, loop):
with pytest.raises(DockerError):
loop.run_until_complete(asyncio.async(vm.adapter_remove_nio_binding(12)))
def test_start_capture(vm, tmpdir, manager, free_console_port, loop):
output_file = str(tmpdir / "test.pcap")
nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
loop.run_until_complete(asyncio.async(vm.start_capture(0, output_file)))
assert vm._ethernet_adapters[0].get_nio(0).capturing
def test_stop_capture(vm, tmpdir, manager, free_console_port, loop):
output_file = str(tmpdir / "test.pcap")
nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
loop.run_until_complete(vm.start_capture(0, output_file))
assert vm._ethernet_adapters[0].get_nio(0).capturing
loop.run_until_complete(asyncio.async(vm.stop_capture(0)))
assert vm._ethernet_adapters[0].get_nio(0).capturing is False
def test_get_log(loop, vm):
@asyncio.coroutine
def read():
return b'Hello\nWorld'
mock_query = MagicMock()
mock_query.read = read
with asyncio_patch("gns3server.compute.docker.Docker.http_query", return_value=mock_query) as mock:
images = loop.run_until_complete(asyncio.async(vm._get_log()))
mock.assert_called_with("GET", "containers/e90e34656842/logs", params={"stderr": 1, "stdout": 1}, data={})
def test_get_image_informations(project, manager, loop):
response = {
}
with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
loop.run_until_complete(asyncio.async(vm._get_image_information()))
mock.assert_called_with("GET", "images/ubuntu:latest/json")
@pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
def test_mount_binds(vm, tmpdir):
image_infos = {
"Config": {
"Volumes": {
"/test/experimental": {}
}
}
}
dst = os.path.join(vm.working_dir, "test/experimental")
assert vm._mount_binds(image_infos) == [
"{}:/gns3:ro".format(get_resource("compute/docker/resources")),
"{}:/gns3volumes/etc/network:rw".format(os.path.join(vm.working_dir, "etc", "network")),
"{}:/gns3volumes{}".format(dst, "/test/experimental")
]
assert vm._volumes == ["/etc/network", "/test/experimental"]
assert os.path.exists(dst)
def test_start_vnc(vm, loop):
vm.console_resolution = "1280x1024"
with patch("shutil.which", return_value="/bin/x"):
with asyncio_patch("gns3server.compute.docker.docker_vm.wait_for_file_creation") as mock_wait:
with asyncio_patch("asyncio.create_subprocess_exec") as mock_exec:
loop.run_until_complete(asyncio.async(vm._start_vnc()))
assert vm._display is not None
mock_exec.assert_any_call("Xvfb", "-nolisten", "tcp", ":{}".format(vm._display), "-screen", "0", "1280x1024x16")
mock_exec.assert_any_call("x11vnc", "-forever", "-nopw", "-shared", "-geometry", "1280x1024", "-display", "WAIT:{}".format(vm._display), "-rfbport", str(vm.console), "-rfbportv6", str(vm.console), "-noncache", "-listen", "127.0.0.1")
mock_wait.assert_called_with("/tmp/.X11-unix/X{}".format(vm._display))
def test_start_vnc_xvfb_missing(vm, loop):
with pytest.raises(DockerError):
loop.run_until_complete(asyncio.async(vm._start_vnc()))
def test_start_aux(vm, loop):
with asyncio_patch("asyncio.subprocess.create_subprocess_exec", return_value=MagicMock()) as mock_exec:
loop.run_until_complete(asyncio.async(vm._start_aux()))
mock_exec.assert_called_with('docker', 'exec', '-i', 'e90e34656842', '/gns3/bin/busybox', 'script', '-qfc', 'while true; do TERM=vt100 /gns3/bin/busybox sh; done', '/dev/null', stderr=asyncio.subprocess.STDOUT, stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE)
def test_create_network_interfaces(vm):
vm.adapters = 5
network_config = vm._create_network_config()
assert os.path.exists(os.path.join(network_config, "interfaces"))
assert os.path.exists(os.path.join(network_config, "if-up.d"))
with open(os.path.join(network_config, "interfaces")) as f:
content = f.read()
assert "eth0" in content
assert "eth4" in content
assert "eth5" not in content
@pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
def test_fix_permission(vm, loop):
vm._volumes = ["/etc"]
vm._get_container_state = AsyncioMagicMock(return_value="running")
process = MagicMock()
with asyncio_patch("asyncio.subprocess.create_subprocess_exec", return_value=process) as mock_exec:
loop.run_until_complete(vm._fix_permissions())
mock_exec.assert_called_with('docker', 'exec', 'e90e34656842', '/gns3/bin/busybox', 'sh', '-c', '(/gns3/bin/busybox find "/etc" -depth -print0 | /gns3/bin/busybox xargs -0 /gns3/bin/busybox stat -c \'%a:%u:%g:%n\' > "/etc/.gns3_perms") && /gns3/bin/busybox chmod -R u+rX "/etc" && /gns3/bin/busybox chown {}:{} -R "/etc"'.format(os.getuid(), os.getgid()))
assert process.wait.called
@pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
def test_fix_permission_not_running(vm, loop):
vm._volumes = ["/etc"]
vm._get_container_state = AsyncioMagicMock(return_value="stopped")
process = MagicMock()
with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_start:
with asyncio_patch("asyncio.subprocess.create_subprocess_exec", return_value=process) as mock_exec:
loop.run_until_complete(vm._fix_permissions())
mock_exec.assert_called_with('docker', 'exec', 'e90e34656842', '/gns3/bin/busybox', 'sh', '-c', '(/gns3/bin/busybox find "/etc" -depth -print0 | /gns3/bin/busybox xargs -0 /gns3/bin/busybox stat -c \'%a:%u:%g:%n\' > "/etc/.gns3_perms") && /gns3/bin/busybox chmod -R u+rX "/etc" && /gns3/bin/busybox chown {}:{} -R "/etc"'.format(os.getuid(), os.getgid()))
assert mock_start.called
assert process.wait.called
def test_read_console_output_with_binary_mode(vm, loop):
class InputStreamMock(object):
def __init__(self):
self.sent = False
@asyncio.coroutine
def receive(self):
if not self.sent:
self.sent = True
return MagicMock(tp=aiohttp.WSMsgType.BINARY, data=b"test")
else:
return MagicMock(tp=aiohttp.WSMsgType.CLOSE)
def close(self):
pass
input_stream = InputStreamMock()
output_stream = MagicMock()
with asyncio_patch('gns3server.compute.docker.docker_vm.DockerVM.stop'):
loop.run_until_complete(asyncio.async(vm._read_console_output(input_stream, output_stream)))
output_stream.feed_data.assert_called_once_with(b"test")
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