mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-01 04:38:12 +00:00
Merge pull request #1125 from GNS3/docker_filters
Filter support for Docker
This commit is contained in:
Jeremy Grossmann
GitHub
commit
3487b657a7
@ -373,7 +373,7 @@ class BaseManager:
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sock.connect(sa)
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except OSError as e:
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raise aiohttp.web.HTTPInternalServerError(text="Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
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filters = nio_settings.get("filters", [])
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filters = nio_settings.get("filters", {})
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nio = NIOUDP(lport, rhost, rport, filters)
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elif nio_settings["type"] == "nio_tap":
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tap_device = nio_settings["tap_device"]
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@ -1,248 +0,0 @@
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Docker server module.
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"""
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import sys
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import json
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import asyncio
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import logging
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import aiohttp
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from gns3server.utils import parse_version
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from gns3server.utils.asyncio import locked_coroutine
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from gns3server.compute.base_manager import BaseManager
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from gns3server.compute.docker.docker_vm import DockerVM
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from gns3server.compute.docker.docker_error import DockerError, DockerHttp304Error, DockerHttp404Error
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log = logging.getLogger(__name__)
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# Be carefull to keep it consistent
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DOCKER_MINIMUM_API_VERSION = "1.25"
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DOCKER_MINIMUM_VERSION = "1.13"
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DOCKER_PREFERRED_API_VERSION = "1.30"
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class Docker(BaseManager):
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_NODE_CLASS = DockerVM
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def __init__(self):
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super().__init__()
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self._server_url = '/var/run/docker.sock'
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self._connected = False
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# Allow locking during ubridge operations
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self.ubridge_lock = asyncio.Lock()
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self._connector = None
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self._session = None
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self._api_version = DOCKER_MINIMUM_API_VERSION
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@asyncio.coroutine
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def _check_connection(self):
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if not self._connected:
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try:
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self._connected = True
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connector = self.connector()
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version = yield from self.query("GET", "version")
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except (aiohttp.ClientOSError, FileNotFoundError):
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self._connected = False
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raise DockerError("Can't connect to docker daemon")
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docker_version = parse_version(version['ApiVersion'])
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if docker_version < parse_version(DOCKER_MINIMUM_API_VERSION):
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raise DockerError(
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"Docker version is {}. GNS3 requires a minimum version of {}".format(
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version["Version"], DOCKER_MINIMUM_VERSION))
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preferred_api_version = parse_version(DOCKER_PREFERRED_API_VERSION)
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if docker_version >= preferred_api_version:
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self._api_version = DOCKER_PREFERRED_API_VERSION
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def connector(self):
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if self._connector is None or self._connector.closed:
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if not sys.platform.startswith("linux"):
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raise DockerError("Docker is supported only on Linux")
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try:
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self._connector = aiohttp.connector.UnixConnector(self._server_url, limit=None)
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except (aiohttp.ClientOSError, FileNotFoundError):
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raise DockerError("Can't connect to docker daemon")
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return self._connector
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@asyncio.coroutine
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def unload(self):
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yield from super().unload()
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if self._connected:
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if self._connector and not self._connector.closed:
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self._connector.close()
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@asyncio.coroutine
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def query(self, method, path, data={}, params={}):
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"""
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Make a query to the docker daemon and decode the request
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:param method: HTTP method
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:param path: Endpoint in API
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:param data: Dictionnary with the body. Will be transformed to a JSON
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:param params: Parameters added as a query arg
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"""
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response = yield from self.http_query(method, path, data=data, params=params)
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body = yield from response.read()
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if body and len(body):
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if response.headers['CONTENT-TYPE'] == 'application/json':
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body = json.loads(body.decode("utf-8"))
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else:
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body = body.decode("utf-8")
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log.debug("Query Docker %s %s params=%s data=%s Response: %s", method, path, params, data, body)
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return body
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@asyncio.coroutine
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def http_query(self, method, path, data={}, params={}, timeout=300):
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"""
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Make a query to the docker daemon
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:param method: HTTP method
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:param path: Endpoint in API
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:param data: Dictionnary with the body. Will be transformed to a JSON
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:param params: Parameters added as a query arg
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:param timeout: Timeout
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:returns: HTTP response
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"""
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data = json.dumps(data)
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if timeout is None:
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timeout = 60 * 60 * 24 * 31 # One month timeout
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if path == 'version':
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url = "http://docker/v1.12/" + path # API of docker v1.0
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else:
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url = "http://docker/v" + DOCKER_MINIMUM_API_VERSION + "/" + path
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try:
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if path != "version": # version is use by check connection
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yield from self._check_connection()
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if self._session is None or self._session.closed:
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connector = self.connector()
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self._session = aiohttp.ClientSession(connector=connector)
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response = yield from self._session.request(
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method,
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url,
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params=params,
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data=data,
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headers={"content-type": "application/json", },
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timeout=timeout
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)
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except (aiohttp.ClientResponseError, aiohttp.ClientOSError) as e:
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raise DockerError("Docker has returned an error: {}".format(str(e)))
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except (asyncio.TimeoutError):
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raise DockerError("Docker timeout " + method + " " + path)
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if response.status >= 300:
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body = yield from response.read()
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try:
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body = json.loads(body.decode("utf-8"))["message"]
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except ValueError:
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pass
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log.debug("Query Docker %s %s params=%s data=%s Response: %s", method, path, params, data, body)
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if response.status == 304:
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raise DockerHttp304Error("Docker has returned an error: {} {}".format(response.status, body))
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elif response.status == 404:
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raise DockerHttp404Error("Docker has returned an error: {} {}".format(response.status, body))
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else:
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raise DockerError("Docker has returned an error: {} {}".format(response.status, body))
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return response
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@asyncio.coroutine
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def websocket_query(self, path, params={}):
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"""
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Open a websocket connection
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:param path: Endpoint in API
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:param params: Parameters added as a query arg
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:returns: Websocket
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"""
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<<<<<<< HEAD
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url = "http://docker/v" + DOCKER_MINIMUM_API_VERSION + "/" + path
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connection = yield from self._session.ws_connect(url,
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origin="http://docker",
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autoping=True)
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=======
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url = "http://docker/v" + self._api_version + "/" + path
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connection = yield from aiohttp.ws_connect(url,
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connector=self.connector(),
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origin="http://docker",
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autoping=True)
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>>>>>>> master
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return connection
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@locked_coroutine
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def pull_image(self, image, progress_callback=None):
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"""
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Pull image from docker repository
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:params image: Image name
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:params progress_callback: A function that receive a log message about image download progress
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"""
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try:
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yield from self.query("GET", "images/{}/json".format(image))
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return # We already have the image skip the download
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except DockerHttp404Error:
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pass
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if progress_callback:
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progress_callback("Pull {} from docker hub".format(image))
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response = yield from self.http_query("POST", "images/create", params={"fromImage": image}, timeout=None)
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# The pull api will stream status via an HTTP JSON stream
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content = ""
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while True:
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try:
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chunk = yield from response.content.read(1024)
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except aiohttp.ServerDisconnectedError:
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break
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if not chunk:
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break
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content += chunk.decode("utf-8")
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try:
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while True:
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content = content.lstrip(" \r\n\t")
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answer, index = json.JSONDecoder().raw_decode(content)
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if "progress" in answer and progress_callback:
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progress_callback("Pulling image {}:{}: {}".format(image, answer["id"], answer["progress"]))
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content = content[index:]
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except ValueError: # Partial JSON
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pass
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response.close()
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if progress_callback:
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progress_callback("Success pulling image {}".format(image))
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@asyncio.coroutine
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def list_images(self):
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"""Gets Docker image list.
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:returns: list of dicts
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:rtype: list
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"""
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images = []
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for image in (yield from self.query("GET", "images/json", params={"all": 0})):
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if image['RepoTags']:
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for tag in image['RepoTags']:
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if tag != "<none>:<none>":
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images.append({'image': tag})
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return sorted(images, key=lambda i: i['image'])
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@ -85,6 +85,8 @@ class DockerVM(BaseNode):
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self._console_http_port = console_http_port
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self._console_websocket = None
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self._volumes = []
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# Keep a list of created bridge
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self._bridges = set()
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if adapters is None:
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self.adapters = 1
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@ -127,6 +129,10 @@ class DockerVM(BaseNode):
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return display
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display += 1
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@property
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def ethernet_adapters(self):
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return self._ethernet_adapters
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@property
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def start_command(self):
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return self._start_command
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@ -657,8 +663,9 @@ class DockerVM(BaseNode):
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if adapter.host_ifc is None:
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raise DockerError("Adapter {adapter_number} couldn't allocate interface on Docker container '{name}'. Too many Docker interfaces already exists".format(name=self.name,
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adapter_number=adapter_number))
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yield from self._ubridge_send('bridge create bridge{}'.format(adapter_number))
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bridge_name = 'bridge{}'.format(adapter_number)
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yield from self._ubridge_send('bridge create {}'.format(bridge_name))
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self._bridges.add(bridge_name)
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yield from self._ubridge_send('bridge add_nio_tap bridge{adapter_number} {hostif}'.format(adapter_number=adapter_number,
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hostif=adapter.host_ifc))
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log.debug("Move container %s adapter %s to namespace %s", self.name, adapter.host_ifc, self._namespace)
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@ -679,20 +686,23 @@ class DockerVM(BaseNode):
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@asyncio.coroutine
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def _connect_nio(self, adapter_number, nio):
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yield from self._ubridge_send('bridge add_nio_udp bridge{adapter} {lport} {rhost} {rport}'.format(adapter=adapter_number,
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bridge_name = 'bridge{}'.format(adapter_number)
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yield from self._ubridge_send('bridge add_nio_udp {bridge_name} {lport} {rhost} {rport}'.format(bridge_name=bridge_name,
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lport=nio.lport,
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rhost=nio.rhost,
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rport=nio.rport))
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if nio.capturing:
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yield from self._ubridge_send('bridge start_capture bridge{adapter} "{pcap_file}"'.format(adapter=adapter_number,
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yield from self._ubridge_send('bridge start_capture {bridge_name} "{pcap_file}"'.format(bridge_name=bridge_name,
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pcap_file=nio.pcap_output_file))
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yield from self._ubridge_send('bridge start bridge{adapter}'.format(adapter=adapter_number))
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yield from self._ubridge_send('bridge start {bridge_name}'.format(bridge_name=bridge_name))
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yield from self._ubridge_apply_filters(bridge_name, nio.filters)
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@asyncio.coroutine
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def adapter_add_nio_binding(self, adapter_number, nio):
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"""Adds an adapter NIO binding.
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:param adapter_number: adapter number
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:param nio: NIO instance to add to the slot/port
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"""
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@ -711,6 +721,19 @@ class DockerVM(BaseNode):
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nio=nio,
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adapter_number=adapter_number))
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@asyncio.coroutine
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def adapter_update_nio_binding(self, adapter_number, nio):
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"""
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Update a port NIO binding.
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:param adapter_number: adapter number
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:param nio: NIO instance to add to the adapter
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"""
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bridge_name = 'bridge{}'.format(adapter_number)
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if bridge_name in self._bridges:
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yield from self._ubridge_apply_filters(bridge_name, nio.filters)
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@asyncio.coroutine
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def adapter_remove_nio_binding(self, adapter_number):
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"""
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@ -728,7 +751,8 @@ class DockerVM(BaseNode):
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if self.ubridge:
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nio = adapter.get_nio(0)
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yield from self._ubridge_send("bridge stop bridge{name}".format(name=adapter_number))
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bridge_name = 'bridge{}'.format(adapter_number)
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yield from self._ubridge_send("bridge stop {}".format(bridge_name))
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yield from self._ubridge_send('bridge remove_nio_udp bridge{adapter} {lport} {rhost} {rport}'.format(adapter=adapter_number,
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lport=nio.lport,
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rhost=nio.rhost,
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@ -365,7 +365,7 @@ class Link:
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:returns: None if no node support filtering else the node
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"""
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for node in self._nodes:
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if node["node"].node_type in ('vpcs', 'dynamips', 'qemu'):
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if node["node"].node_type in ('vpcs', 'dynamips', 'qemu', 'docker'):
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return node["node"]
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return None
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@ -204,6 +204,33 @@ class DockerHandler:
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response.set_status(201)
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response.json(nio)
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@Route.put(
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r"/projects/{project_id}/docker/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
|
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parameters={
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"project_id": "Project UUID",
|
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"node_id": "Node UUID",
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"adapter_number": "Network adapter where the nio is located",
|
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"port_number": "Port from where the nio should be updated"
|
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},
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status_codes={
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201: "NIO updated",
|
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400: "Invalid request",
|
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404: "Instance doesn't exist"
|
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},
|
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input=NIO_SCHEMA,
|
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output=NIO_SCHEMA,
|
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description="Update a NIO from a Docker instance")
|
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def update_nio(request, response):
|
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|
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docker_manager = Docker.instance()
|
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container = docker_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
|
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nio = container.ethernet_adapters[int(request.match_info["adapter_number"])].get_nio(0)
|
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if "filters" in request.json and nio:
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nio.filters = request.json["filters"]
|
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yield from container.adapter_update_nio_binding(int(request.match_info["port_number"]), nio)
|
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response.set_status(201)
|
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response.json(request.json)
|
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|
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@Route.delete(
|
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r"/projects/{project_id}/docker/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
|
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parameters={
|
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|
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@ -704,6 +704,7 @@ def test_add_ubridge_connection(loop, vm):
|
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call.send('bridge start_capture bridge0 "/tmp/capture.pcap"'),
|
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call.send('bridge start bridge0')
|
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]
|
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assert 'bridge0' in vm._bridges
|
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# We need to check any_order ortherwise mock is confused by asyncio
|
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vm._ubridge_hypervisor.assert_has_calls(calls, any_order=True)
|
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|
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@ -722,6 +723,7 @@ def test_add_ubridge_connection_none_nio(loop, vm):
|
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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)
|
||||
|
||||
@ -763,6 +765,35 @@ def test_adapter_add_nio_binding(vm, loop):
|
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assert vm._ethernet_adapters[0].get_nio(0) == nio
|
||||
|
||||
|
||||
def test_adapter_udpate_nio_binding(vm, loop):
|
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vm._ubridge_apply_filters = AsyncioMagicMock()
|
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vm._bridges = set(('bridge0', ))
|
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nio = {"type": "nio_udp",
|
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"lport": 4242,
|
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"rport": 4343,
|
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"rhost": "127.0.0.1"}
|
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nio = vm.manager.create_nio(nio)
|
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with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
|
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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)))
|
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assert vm._ubridge_apply_filters.called
|
||||
|
||||
|
||||
def test_adapter_udpate_nio_binding_bridge_not_started(vm, loop):
|
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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,
|
||||
|
||||
@ -124,6 +124,20 @@ def test_docker_nio_create_udp(http_compute, vm):
|
||||
assert response.json["type"] == "nio_udp"
|
||||
|
||||
|
||||
def test_docker_update_nio(http_compute, vm):
|
||||
with asyncio_patch("gns3server.compute.docker.docker_vm.DockerVM.adapter_update_nio_binding") as mock:
|
||||
response = http_compute.put("/projects/{project_id}/docker/nodes/{node_id}/adapters/0/ports/0/nio".format(project_id=vm["project_id"], node_id=vm["node_id"]),
|
||||
{
|
||||
"type": "nio_udp",
|
||||
"lport": 4242,
|
||||
"rport": 4343,
|
||||
"rhost": "127.0.0.1"
|
||||
},
|
||||
example=True)
|
||||
assert response.status == 201, response.body.decode()
|
||||
assert response.route == "/projects/{project_id}/docker/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio"
|
||||
|
||||
|
||||
def test_docker_delete_nio(http_compute, vm):
|
||||
with asyncio_patch("gns3server.compute.docker.docker_vm.DockerVM.adapter_remove_nio_binding") as mock:
|
||||
response = http_compute.delete("/projects/{project_id}/docker/nodes/{node_id}/adapters/0/ports/0/nio".format(project_id=vm["project_id"], node_id=vm["node_id"]), example=True)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user