2015-05-22 15:28:25 +02:00

143 lines
4.9 KiB
Python

#!/usr/bin/env python
# -*- 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 json
import sys
import os
from gns3registry.image import Image
class ConfigException(Exception):
pass
class Config:
"""
GNS3 config file
"""
def __init__(self, path=None):
"""
:params path: Path of the configuration file otherwise detect it on the system
"""
#TODO: Manage errors
self.path = path
if self.path is None:
self.path = self._get_standard_config_file_path()
with open(self.path) as f:
self._config = json.load(f)
@property
def images_dir(self):
"""
:returns: Localion of the images directory on the server
"""
return self._config["LocalServer"]["images_path"]
def _get_standard_config_file_path(self):
if sys.platform.startswith("win"):
filename = "gns3_gui.ini"
else:
filename = "gns3_gui.conf"
if sys.platform.startswith("darwin"):
appname = "gns3.net"
else:
appname = "GNS3"
if sys.platform.startswith("win"):
appdata = os.path.expandvars("%APPDATA%")
return os.path.join(appdata, appname, filename)
else:
home = os.path.expanduser("~")
return os.path.join(home, ".config", appname, filename)
def add_images(self, device_config):
"""
Add images to the user configuration
"""
new_config = {
"server": "local",
"name": device_config["name"]
}
if device_config["category"] == "guest":
new_config["category"] = 2
elif device_config["category"] == "router":
new_config["category"] = 0
if "qemu" in device_config:
self._add_qemu_config(new_config, device_config)
def _add_qemu_config(self, new_config, device_config):
new_config["adapter_type"] = device_config["qemu"]["adapter_type"]
new_config["adapters"] = device_config["qemu"]["adapters"]
new_config["cpu_throttling"] = 0
new_config["ram"] = device_config["qemu"]["ram"]
new_config["legacy_networking"] = False
new_config["process_priority"] = "normal"
new_config["initrd"] = ""
new_config["kernel_command_line"] = ""
new_config["kernel_image"] = ""
new_config["options"] = ""
new_config["hdb_disk_image"] = ""
new_config["hdc_disk_image"] = ""
new_config["hdd_disk_image"] = ""
#TODO: Manage Windows
if device_config["qemu"]["processor"] == "i386":
new_config["qemu_path"] = "qemu-system-i386"
elif device_config["qemu"]["processor"] == "x64":
new_config["qemu_path"] = "qemu-system-x86_64"
if device_config["category"] == "guest":
new_config["default_symbol"] = ":/symbols/qemu_guest.normal.svg"
new_config["hover_symbol"] = ":/symbols/qemu_guest.selected.svg"
elif device_config["category"] == "router":
new_config["default_symbol"] = ":/symbols/router.normal.svg"
new_config["hover_symbol"] = ":/symbols/router.selected.svg"
disks = ["hda_disk_image", "hdb_disk_image", "hdc_disk_image", "hdd_disk_image"]
for disk in disks:
if disk in device_config["images"]:
if isinstance(device_config["images"][disk], list):
require_images = ""
for image in device_config["images"][disk]:
require_images += "* {}\n".format(image["filename"])
raise ConfigException("Missing image for {} you should provide one of the following images:\n{}".format(disk, require_images))
else:
new_config["name"] += " {}".format(device_config["images"][disk].version)
new_config[disk] = device_config["images"][disk].path
# Remove VM with the same Name
self._config["Qemu"]["vms"] = [item for item in self._config["Qemu"]["vms"] if item["name"] != new_config["name"]]
self._config["Qemu"]["vms"].append(new_config)
def save(self):
"""
Save the configuration file
"""
with open(self.path, "w+") as f:
json.dump(self._config, f, indent=4)