mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-12-20 21:33:09 +00:00
151 lines
6.5 KiB
Python
151 lines
6.5 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Copyright (C) 2019 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 copy
|
|
import uuid
|
|
import aiohttp
|
|
import jsonschema
|
|
|
|
from .template import Template
|
|
from gns3server.config import Config
|
|
|
|
import logging
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class TemplateManager:
|
|
"""
|
|
Manages templates.
|
|
"""
|
|
|
|
def __init__(self):
|
|
|
|
self._templates = {}
|
|
|
|
@property
|
|
def templates(self):
|
|
"""
|
|
:returns: The dictionary of templates managed by GNS3
|
|
"""
|
|
|
|
return self._templates
|
|
|
|
def load_templates(self, template_settings=None):
|
|
"""
|
|
Loads templates from controller settings.
|
|
"""
|
|
|
|
if template_settings:
|
|
for template_settings in template_settings:
|
|
try:
|
|
template = Template(template_settings.get("template_id"), template_settings)
|
|
self._templates[template.id] = template
|
|
except jsonschema.ValidationError as e:
|
|
message = "Cannot load template with JSON data '{}': {}".format(template_settings, e.message)
|
|
log.warning(message)
|
|
continue
|
|
|
|
# Add builtins
|
|
builtins = []
|
|
if Config.instance().get_section_config("Server").getboolean("enable_builtin_templates", True):
|
|
builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "cloud"), {"template_type": "cloud", "name": "Cloud", "default_name_format": "Cloud{0}", "category": 2, "symbol": ":/symbols/cloud.svg"}, builtin=True))
|
|
builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "nat"), {"template_type": "nat", "name": "NAT", "default_name_format": "NAT{0}", "category": 2, "symbol": ":/symbols/cloud.svg"}, builtin=True))
|
|
builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "vpcs"), {"template_type": "vpcs", "name": "VPCS", "default_name_format": "PC{0}", "category": 2, "symbol": ":/symbols/vpcs_guest.svg", "properties": {"base_script_file": "vpcs_base_config.txt"}}, builtin=True))
|
|
builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "ethernet_switch"), {"template_type": "ethernet_switch", "console_type": "none", "name": "Ethernet switch", "default_name_format": "Switch{0}", "category": 1, "symbol": ":/symbols/ethernet_switch.svg"}, builtin=True))
|
|
builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "ethernet_hub"), {"template_type": "ethernet_hub", "name": "Ethernet hub", "default_name_format": "Hub{0}", "category": 1, "symbol": ":/symbols/hub.svg"}, builtin=True))
|
|
builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "frame_relay_switch"), {"template_type": "frame_relay_switch", "name": "Frame Relay switch", "default_name_format": "FRSW{0}", "category": 1, "symbol": ":/symbols/frame_relay_switch.svg"}, builtin=True))
|
|
builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "atm_switch"), {"template_type": "atm_switch", "name": "ATM switch", "default_name_format": "ATMSW{0}", "category": 1, "symbol": ":/symbols/atm_switch.svg"}, builtin=True))
|
|
|
|
#FIXME: disable TraceNG
|
|
#if sys.platform.startswith("win"):
|
|
# builtins.append(Template(uuid.uuid3(uuid.NAMESPACE_DNS, "traceng"), {"template_type": "traceng", "name": "TraceNG", "default_name_format": "TraceNG-{0}", "category": 2, "symbol": ":/symbols/traceng.svg", "properties": {}}, builtin=True))
|
|
for b in builtins:
|
|
self._templates[b.id] = b
|
|
|
|
def add_template(self, settings):
|
|
"""
|
|
Adds a new template.
|
|
|
|
:param settings: template settings
|
|
|
|
:returns: Template object
|
|
"""
|
|
|
|
template_id = settings.get("template_id", "")
|
|
if template_id in self._templates:
|
|
raise aiohttp.web.HTTPConflict(text="Template ID '{}' already exists".format(template_id))
|
|
else:
|
|
template_id = settings.setdefault("template_id", str(uuid.uuid4()))
|
|
try:
|
|
template = Template(template_id, settings)
|
|
except jsonschema.ValidationError as e:
|
|
message = "JSON schema error adding template with JSON data '{}': {}".format(settings, e.message)
|
|
raise aiohttp.web.HTTPBadRequest(text=message)
|
|
|
|
from . import Controller
|
|
Controller.instance().check_can_write_config()
|
|
self._templates[template.id] = template
|
|
Controller.instance().save()
|
|
Controller.instance().notification.controller_emit("template.created", template.__json__())
|
|
return template
|
|
|
|
def get_template(self, template_id):
|
|
"""
|
|
Gets a template.
|
|
|
|
:param template_id: template identifier
|
|
|
|
:returns: Template object
|
|
"""
|
|
|
|
template = self._templates.get(template_id)
|
|
if not template:
|
|
raise aiohttp.web.HTTPNotFound(text="Template ID {} doesn't exist".format(template_id))
|
|
return template
|
|
|
|
def delete_template(self, template_id):
|
|
"""
|
|
Deletes a template.
|
|
|
|
:param template_id: template identifier
|
|
"""
|
|
|
|
template = self.get_template(template_id)
|
|
if template.builtin:
|
|
raise aiohttp.web.HTTPConflict(text="Template ID {} cannot be deleted because it is a builtin".format(template_id))
|
|
from . import Controller
|
|
Controller.instance().check_can_write_config()
|
|
self._templates.pop(template_id)
|
|
Controller.instance().save()
|
|
Controller.instance().notification.controller_emit("template.deleted", template.__json__())
|
|
|
|
def duplicate_template(self, template_id):
|
|
"""
|
|
Duplicates a template.
|
|
|
|
:param template_id: template identifier
|
|
"""
|
|
|
|
template = self.get_template(template_id)
|
|
if template.builtin:
|
|
raise aiohttp.web.HTTPConflict(text="Template ID {} cannot be duplicated because it is a builtin".format(template_id))
|
|
template_settings = copy.deepcopy(template.settings)
|
|
del template_settings["template_id"]
|
|
return self.add_template(template_settings)
|
|
|
|
|