mirror of
https://github.com/GNS3/gns3-server
synced 2024-10-12 02:48:55 +00:00
aa2472fb30
This code is more generic and support all cases. Previously we had bug where the user lost his image path if the image was not located in image directory.
121 lines
4.4 KiB
Python
121 lines
4.4 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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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 = [os.getcwd()] + os.environ["PATH"].split(os.pathsep)
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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.append(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.append(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.append(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.extend(["/usr/local/bin", "/opt/local/bin"])
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if hasattr(sys, "frozen"):
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paths.append(os.path.abspath(os.path.join(os.getcwd(), "../../../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 == "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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