mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-12-22 14:12:29 +00:00
136 lines
5.0 KiB
Python
136 lines
5.0 KiB
Python
# -*- 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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Qemu server module.
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"""
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import asyncio
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import os
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import sys
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import re
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import subprocess
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from ...utils.asyncio import subprocess_check_output
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from ..base_manager import BaseManager
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from .qemu_error import QemuError
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from .qemu_vm import QemuVM
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import logging
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log = logging.getLogger(__name__)
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class Qemu(BaseManager):
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_VM_CLASS = QemuVM
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@staticmethod
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def binary_list():
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"""
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Gets QEMU binaries list available on the host.
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:returns: Array of dictionary {"path": Qemu binary path, "version": version of Qemu}
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"""
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qemus = []
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paths = set()
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try:
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paths.add(os.getcwd())
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except FileNotFoundError:
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log.warning("The current working directory doesn't exist")
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if "PATH" in os.environ:
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paths.update(os.environ["PATH"].split(os.pathsep))
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else:
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log.warning("The PATH environment variable doesn't exist")
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# look for Qemu binaries in the current working directory and $PATH
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if sys.platform.startswith("win"):
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# add specific Windows paths
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if hasattr(sys, "frozen"):
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# add any qemu dir in the same location as gns3server.exe to the list of paths
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exec_dir = os.path.dirname(os.path.abspath(sys.executable))
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for f in os.listdir(exec_dir):
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if f.lower().startswith("qemu"):
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paths.add(os.path.join(exec_dir, f))
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if "PROGRAMFILES(X86)" in os.environ and os.path.exists(os.environ["PROGRAMFILES(X86)"]):
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paths.add(os.path.join(os.environ["PROGRAMFILES(X86)"], "qemu"))
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if "PROGRAMFILES" in os.environ and os.path.exists(os.environ["PROGRAMFILES"]):
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paths.add(os.path.join(os.environ["PROGRAMFILES"], "qemu"))
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elif sys.platform.startswith("darwin"):
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# add specific locations on Mac OS X regardless of what's in $PATH
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paths.update(["/usr/local/bin", "/opt/local/bin"])
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if hasattr(sys, "frozen"):
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try:
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paths.add(os.path.abspath(os.path.join(os.getcwd(), "../../../qemu/bin/")))
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# If the user run the server by hand from outside
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except FileNotFoundError:
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paths.add("/Applications/GNS3.app/Contents/Resources/qemu/bin")
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for path in paths:
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try:
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for f in os.listdir(path):
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if (f.startswith("qemu-system") or f.startswith("qemu-kvm") or f == "qemu" or f == "qemu.exe") and \
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os.access(os.path.join(path, f), os.X_OK) and \
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os.path.isfile(os.path.join(path, f)):
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qemu_path = os.path.join(path, f)
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version = yield from Qemu._get_qemu_version(qemu_path)
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qemus.append({"path": qemu_path, "version": version})
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except OSError:
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continue
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return qemus
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@staticmethod
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@asyncio.coroutine
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def _get_qemu_version(qemu_path):
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"""
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Gets the Qemu version.
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:param qemu_path: path to Qemu executable.
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"""
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if sys.platform.startswith("win"):
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return ""
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try:
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output = yield from subprocess_check_output(qemu_path, "-version")
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match = re.search("version\s+([0-9a-z\-\.]+)", output)
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if match:
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version = match.group(1)
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return version
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else:
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raise QemuError("Could not determine the Qemu version for {}".format(qemu_path))
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except subprocess.SubprocessError as e:
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raise QemuError("Error while looking for the Qemu version: {}".format(e))
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@staticmethod
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def get_legacy_vm_workdir(legacy_vm_id, name):
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"""
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Returns the name of the legacy working directory name for a VM.
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:param legacy_vm_id: legacy VM identifier (integer)
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:param: VM name (not used)
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:returns: working directory name
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"""
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return os.path.join("qemu", "vm-{}".format(legacy_vm_id))
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def get_images_directory(self):
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"""
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Return the full path of the images directory on disk
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"""
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return os.path.join(os.path.expanduser(self.config.get_section_config("Server").get("images_path", "~/GNS3/images")), "QEMU")
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