mirror of
https://github.com/GNS3/gns3-server
synced 2024-10-11 02:18:59 +00:00
508 lines
19 KiB
Python
508 lines
19 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Copyright (C) 2016 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 os
|
|
import json
|
|
import uuid
|
|
import shutil
|
|
import zipfile
|
|
import aiohttp
|
|
import jsonschema
|
|
|
|
|
|
from ..version import __version__
|
|
from ..schemas.topology import TOPOLOGY_SCHEMA
|
|
from ..utils.qt import qt_font_to_style
|
|
|
|
|
|
import logging
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
GNS3_FILE_FORMAT_REVISION = 5
|
|
|
|
|
|
def _check_topology_schema(topo):
|
|
try:
|
|
jsonschema.validate(topo, TOPOLOGY_SCHEMA)
|
|
except jsonschema.ValidationError as e:
|
|
error = "Invalid data in topology file: {} in schema: {}".format(
|
|
e.message,
|
|
json.dumps(e.schema))
|
|
log.critical(error)
|
|
raise aiohttp.web.HTTPConflict(text=error)
|
|
|
|
|
|
def project_to_topology(project):
|
|
"""
|
|
:return: A dictionnary with the topology ready to dump to a .gns3
|
|
"""
|
|
data = {
|
|
"project_id": project.id,
|
|
"name": project.name,
|
|
"auto_start": project.auto_start,
|
|
"auto_open": project.auto_open,
|
|
"auto_close": project.auto_close,
|
|
"topology": {
|
|
"nodes": [],
|
|
"links": [],
|
|
"computes": [],
|
|
"drawings": []
|
|
},
|
|
"type": "topology",
|
|
"revision": GNS3_FILE_FORMAT_REVISION,
|
|
"version": __version__
|
|
}
|
|
|
|
computes = set()
|
|
for node in project.nodes.values():
|
|
computes.add(node.compute)
|
|
data["topology"]["nodes"].append(node.__json__(topology_dump=True))
|
|
for link in project.links.values():
|
|
data["topology"]["links"].append(link.__json__(topology_dump=True))
|
|
for drawing in project.drawings.values():
|
|
data["topology"]["drawings"].append(drawing.__json__(topology_dump=True))
|
|
for compute in computes:
|
|
if hasattr(compute, "__json__"):
|
|
data["topology"]["computes"].append(compute.__json__(topology_dump=True))
|
|
_check_topology_schema(data)
|
|
return data
|
|
|
|
|
|
def load_topology(path):
|
|
"""
|
|
Open a topology file, patch it for last GNS3 release and return it
|
|
"""
|
|
log.debug("Read topology %s", path)
|
|
try:
|
|
with open(path, encoding="utf-8") as f:
|
|
topo = json.load(f)
|
|
except (OSError, UnicodeDecodeError, json.JSONDecodeError) as e:
|
|
raise aiohttp.web.HTTPConflict(text="Could not load topology {}: {}".format(path, str(e)))
|
|
if "revision" not in topo or topo["revision"] < GNS3_FILE_FORMAT_REVISION:
|
|
# If it's an old GNS3 file we need to convert it
|
|
# first we backup the file
|
|
shutil.copy(path, path + ".backup")
|
|
topo = _convert_1_3_later(topo, path)
|
|
with open(path, "w+", encoding="utf-8") as f:
|
|
json.dump(topo, f)
|
|
elif topo["revision"] > GNS3_FILE_FORMAT_REVISION:
|
|
raise aiohttp.web.HTTPConflict(text="This project is designed for a more recent version of GNS3 please update GNS3 to version {} or later".format(topo["version"]))
|
|
_check_topology_schema(topo)
|
|
return topo
|
|
|
|
|
|
def _convert_1_3_later(topo, topo_path):
|
|
"""
|
|
Convert topologies from 1_3 to the new file format
|
|
|
|
Look in tests/topologies/README.rst for instructions to test changes here
|
|
"""
|
|
topo_dir = os.path.dirname(topo_path)
|
|
|
|
_convert_snapshots(topo_dir)
|
|
|
|
new_topo = {
|
|
"type": "topology",
|
|
"revision": GNS3_FILE_FORMAT_REVISION,
|
|
"version": __version__,
|
|
"auto_start": topo.get("auto_start", False),
|
|
"name": topo["name"],
|
|
"project_id": topo.get("project_id"),
|
|
"topology": {
|
|
"links": [],
|
|
"drawings": [],
|
|
"computes": [],
|
|
"nodes": []
|
|
}
|
|
}
|
|
if new_topo["project_id"] is None:
|
|
new_topo["project_id"] = str(uuid.uuid4()) # Could arrive for topologues with drawing only
|
|
if "topology" not in topo:
|
|
return new_topo
|
|
topo = topo["topology"]
|
|
|
|
# Create computes
|
|
server_id_to_compute_id = {}
|
|
for server in topo.get("servers", []):
|
|
compute = {
|
|
"host": server.get("host", "localhost"),
|
|
"port": server.get("port", 3080),
|
|
"protocol": server.get("protocol", "http")
|
|
}
|
|
if server["local"]:
|
|
compute["compute_id"] = "local"
|
|
compute["name"] = "Local"
|
|
elif server.get("vm", False):
|
|
compute["compute_id"] = "vm"
|
|
compute["name"] = "GNS3 VM"
|
|
else:
|
|
compute["name"] = "Remote {}".format(server["id"])
|
|
compute["compute_id"] = str(uuid.uuid4())
|
|
server_id_to_compute_id[server["id"]] = compute["compute_id"]
|
|
new_topo["topology"]["computes"].append(compute)
|
|
|
|
# Create nodes
|
|
ports = {}
|
|
node_id_to_node_uuid = {}
|
|
for old_node in topo.get("nodes", []):
|
|
node = {}
|
|
node["console"] = old_node["properties"].get("console", None)
|
|
node["compute_id"] = server_id_to_compute_id[old_node["server_id"]]
|
|
node["console_type"] = old_node["properties"].get("console_type", "telnet")
|
|
node["name"] = old_node["label"]["text"]
|
|
node["label"] = _convert_label(old_node["label"])
|
|
node["node_id"] = old_node.get("vm_id", str(uuid.uuid4()))
|
|
|
|
node["symbol"] = old_node.get("symbol", None)
|
|
# Compatibility with <= 1.3
|
|
if node["symbol"] is None and "default_symbol" in old_node:
|
|
if old_node["default_symbol"].endswith("normal.svg"):
|
|
node["symbol"] = old_node["default_symbol"][:-11] + ".svg"
|
|
else:
|
|
node["symbol"] = old_node["default_symbol"]
|
|
|
|
node["x"] = int(old_node["x"])
|
|
node["y"] = int(old_node["y"])
|
|
node["z"] = int(old_node.get("z", 1))
|
|
node["port_name_format"] = old_node.get("port_name_format", "Ethernet{0}")
|
|
node["port_segment_size"] = int(old_node.get("port_segment_size", "0"))
|
|
node["first_port_name"] = old_node.get("first_port_name")
|
|
|
|
node["properties"] = {}
|
|
|
|
if old_node["type"] == "VPCSDevice":
|
|
node["node_type"] = "vpcs"
|
|
elif old_node["type"] == "QemuVM":
|
|
node = _convert_qemu_node(node, old_node)
|
|
elif old_node["type"] == "DockerVM":
|
|
node["node_type"] = "docker"
|
|
if node["symbol"] is None:
|
|
node["symbol"] = ":/symbols/docker_guest.svg"
|
|
elif old_node["type"] == "ATMSwitch":
|
|
node["node_type"] = "atm_switch"
|
|
node["symbol"] = ":/symbols/atm_switch.svg"
|
|
node["console_type"] = None
|
|
elif old_node["type"] == "EthernetHub":
|
|
node["node_type"] = "ethernet_hub"
|
|
node["console_type"] = None
|
|
node["symbol"] = ":/symbols/hub.svg"
|
|
node["properties"]["ports_mapping"] = []
|
|
for port in old_node["ports"]:
|
|
node["properties"]["ports_mapping"].append({
|
|
"name": "Ethernet{}".format(port["port_number"] - 1),
|
|
"port_number": port["port_number"] - 1
|
|
})
|
|
elif old_node["type"] == "EthernetSwitch":
|
|
node["node_type"] = "ethernet_switch"
|
|
node["symbol"] = ":/symbols/ethernet_switch.svg"
|
|
node["console_type"] = None
|
|
node["properties"]["ports_mapping"] = []
|
|
for port in old_node["ports"]:
|
|
node["properties"]["ports_mapping"].append({
|
|
"name": "Ethernet{}".format(port["port_number"] - 1),
|
|
"port_number": port["port_number"] - 1,
|
|
"type": port["type"],
|
|
"vlan": port["vlan"]
|
|
})
|
|
elif old_node["type"] == "FrameRelaySwitch":
|
|
node["node_type"] = "frame_relay_switch"
|
|
node["symbol"] = ":/symbols/frame_relay_switch.svg"
|
|
node["console_type"] = None
|
|
elif old_node["type"] in ["C1700", "C2600", "C2691", "C3600", "C3725", "C3745", "C7200", "EtherSwitchRouter"]:
|
|
if node["symbol"] is None:
|
|
node["symbol"] = ":/symbols/router.svg"
|
|
node["node_type"] = "dynamips"
|
|
node["properties"]["dynamips_id"] = old_node["dynamips_id"]
|
|
elif old_node["type"] == "VMwareVM":
|
|
node["node_type"] = "vmware"
|
|
if node["symbol"] is None:
|
|
node["symbol"] = ":/symbols/vmware_guest.svg"
|
|
elif old_node["type"] == "VirtualBoxVM":
|
|
node["node_type"] = "virtualbox"
|
|
if node["symbol"] is None:
|
|
node["symbol"] = ":/symbols/vbox_guest.svg"
|
|
elif old_node["type"] == "IOUDevice":
|
|
node["node_type"] = "iou"
|
|
elif old_node["type"] == "Cloud":
|
|
_create_cloud(node, old_node, ":/symbols/cloud.svg")
|
|
elif old_node["type"] == "Host":
|
|
_create_cloud(node, old_node, ":/symbols/computer.svg")
|
|
else:
|
|
raise NotImplementedError("Conversion of {} is not supported".format(old_node["type"]))
|
|
|
|
for prop in old_node.get("properties", {}):
|
|
if prop not in ["console", "name", "console_type", "use_ubridge"]:
|
|
node["properties"][prop] = old_node["properties"][prop]
|
|
|
|
node_id_to_node_uuid[old_node["id"]] = node["node_id"]
|
|
for port in old_node.get("ports", []):
|
|
ports[port["id"]] = port
|
|
new_topo["topology"]["nodes"].append(node)
|
|
|
|
# Create links
|
|
for old_link in topo.get("links", []):
|
|
nodes = []
|
|
source_node = {
|
|
"adapter_number": ports[old_link["source_port_id"]].get("adapter_number", 0),
|
|
"port_number": ports[old_link["source_port_id"]].get("port_number", 0),
|
|
"node_id": node_id_to_node_uuid[old_link["source_node_id"]]
|
|
}
|
|
nodes.append(source_node)
|
|
|
|
destination_node = {
|
|
"adapter_number": ports[old_link["destination_port_id"]].get("adapter_number", 0),
|
|
"port_number": ports[old_link["destination_port_id"]].get("port_number", 0),
|
|
"node_id": node_id_to_node_uuid[old_link["destination_node_id"]]
|
|
}
|
|
nodes.append(destination_node)
|
|
|
|
link = {
|
|
"link_id": str(uuid.uuid4()),
|
|
"nodes": nodes
|
|
}
|
|
new_topo["topology"]["links"].append(link)
|
|
|
|
# Ellipse
|
|
for ellipse in topo.get("ellipses", []):
|
|
svg = '<svg height="{height}" width="{width}"><ellipse cx="{cx}" cy="{cy}" fill="{fill}" fill-opacity="1.0" rx="{rx}" ry="{ry}" {border_style} /></svg>'.format(
|
|
height=int(ellipse["height"]),
|
|
width=int(ellipse["width"]),
|
|
cx=int(ellipse["width"] / 2),
|
|
cy=int(ellipse["height"] / 2),
|
|
rx=int(ellipse["width"] / 2),
|
|
ry=int(ellipse["height"] / 2),
|
|
fill=ellipse.get("color", "#ffffff"),
|
|
border_style=_convert_border_style(ellipse)
|
|
)
|
|
new_ellipse = {
|
|
"drawing_id": str(uuid.uuid4()),
|
|
"x": int(ellipse["x"]),
|
|
"y": int(ellipse["y"]),
|
|
"z": int(ellipse.get("z", 0)),
|
|
"rotation": int(ellipse.get("rotation", 0)),
|
|
"svg": svg
|
|
}
|
|
new_topo["topology"]["drawings"].append(new_ellipse)
|
|
|
|
# Notes
|
|
for note in topo.get("notes", []):
|
|
font_info = note["font"].split(",")
|
|
|
|
if font_info[4] == "75":
|
|
weight = "bold"
|
|
else:
|
|
weight = "normal"
|
|
if font_info[5] == "1":
|
|
style = "italic"
|
|
else:
|
|
style = "normal"
|
|
|
|
svg = '<svg height="{height}" width="{width}"><text fill="{fill}" fill-opacity="{opacity}" font-family="{family}" font-size="{size}" font-weight="{weight}" font-style="{style}">{text}</text></svg>'.format(
|
|
height=int(font_info[1]) * 2,
|
|
width=int(font_info[1]) * len(note["text"]),
|
|
fill="#" + note["color"][-6:],
|
|
opacity=round(1.0 / 255 * int(note["color"][:3][-2:], base=16), 2), # Extract the alpha channel from the hexa version
|
|
family=font_info[0],
|
|
size=int(font_info[1]),
|
|
weight=weight,
|
|
style=style,
|
|
text=note["text"]
|
|
)
|
|
new_note = {
|
|
"drawing_id": str(uuid.uuid4()),
|
|
"x": int(note["x"]),
|
|
"y": int(note["y"]),
|
|
"z": int(note.get("z", 0)),
|
|
"rotation": int(note.get("rotation", 0)),
|
|
"svg": svg
|
|
}
|
|
new_topo["topology"]["drawings"].append(new_note)
|
|
|
|
# Images
|
|
for image in topo.get("images", []):
|
|
img_path = image["path"]
|
|
# Absolute image path are rewrite to project specific image
|
|
if os.path.abspath(img_path):
|
|
try:
|
|
os.makedirs(os.path.join(topo_dir, "images"), exist_ok=True)
|
|
shutil.copy(img_path, os.path.join(topo_dir, "images", os.path.basename(img_path)))
|
|
except OSError:
|
|
pass
|
|
new_image = {
|
|
"drawing_id": str(uuid.uuid4()),
|
|
"x": int(image["x"]),
|
|
"y": int(image["y"]),
|
|
"z": int(image.get("z", 0)),
|
|
"rotation": int(image.get("rotation", 0)),
|
|
"svg": os.path.basename(img_path)
|
|
}
|
|
new_topo["topology"]["drawings"].append(new_image)
|
|
|
|
# Rectangles
|
|
for rectangle in topo.get("rectangles", []):
|
|
svg = '<svg height="{height}" width="{width}"><rect fill="{fill}" fill-opacity="1.0" height="{height}" width="{width}" {border_style} /></svg>'.format(
|
|
height=int(rectangle["height"]),
|
|
width=int(rectangle["width"]),
|
|
fill=rectangle.get("color", "#ffffff"),
|
|
border_style=_convert_border_style(rectangle)
|
|
)
|
|
new_rectangle = {
|
|
"drawing_id": str(uuid.uuid4()),
|
|
"x": int(rectangle["x"]),
|
|
"y": int(rectangle["y"]),
|
|
"z": int(rectangle.get("z", 0)),
|
|
"rotation": int(rectangle.get("rotation", 0)),
|
|
"svg": svg
|
|
}
|
|
new_topo["topology"]["drawings"].append(new_rectangle)
|
|
|
|
# Convert instructions.txt to README.txt
|
|
instructions_path = os.path.join(topo_dir, "instructions.txt")
|
|
readme_path = os.path.join(topo_dir, "README.txt")
|
|
if os.path.exists(instructions_path) and not os.path.exists(readme_path):
|
|
shutil.move(instructions_path, readme_path)
|
|
|
|
return new_topo
|
|
|
|
|
|
def _convert_border_style(element):
|
|
QT_DASH_TO_SVG = {
|
|
2: "25, 25",
|
|
3: "5, 25",
|
|
4: "5, 25, 25",
|
|
5: "25, 25, 5, 25, 5"
|
|
}
|
|
border_style = int(element.get("border_style", 0))
|
|
style = ""
|
|
if border_style == 1: # No border
|
|
return ""
|
|
elif border_style == 0:
|
|
pass # Solid line
|
|
else:
|
|
style += 'stroke-dasharray="{}" '.format(QT_DASH_TO_SVG[border_style])
|
|
style += 'stroke="{stroke}" stroke-width="{stroke_width}"'.format(
|
|
stroke=element.get("border_color", "#000000"),
|
|
stroke_width=element.get("border_width", 2)
|
|
)
|
|
return style
|
|
|
|
|
|
def _convert_label(label):
|
|
"""
|
|
Convert a label from 1.X to the new format
|
|
"""
|
|
style = qt_font_to_style(label.get("font"), label["color"])
|
|
return {
|
|
"text": label["text"],
|
|
"rotation": 0,
|
|
"style": style,
|
|
"x": int(label["x"]),
|
|
"y": int(label["y"])
|
|
}
|
|
|
|
|
|
def _create_cloud(node, old_node, icon):
|
|
node["node_type"] = "cloud"
|
|
node["symbol"] = icon
|
|
node["console_type"] = None
|
|
node["console"] = None
|
|
del old_node["properties"]["nios"]
|
|
|
|
ports = []
|
|
for old_port in old_node.get("ports", []):
|
|
if old_port["name"].startswith("nio_gen_eth"):
|
|
port_type = "ethernet"
|
|
elif old_port["name"].startswith("nio_gen_linux"):
|
|
port_type = "ethernet"
|
|
elif old_port["name"].startswith("nio_tap"):
|
|
port_type = "tap"
|
|
else:
|
|
raise NotImplementedError("The conversion of cloud with {} is not supported".format(old_port["name"]))
|
|
|
|
port = {
|
|
"interface": old_port["name"].split(":")[1],
|
|
"name": old_port["name"].split(":")[1],
|
|
"port_number": len(ports) + 1,
|
|
"type": port_type
|
|
}
|
|
ports.append(port)
|
|
|
|
node["properties"]["ports_mapping"] = ports
|
|
node["properties"]["interfaces"] = []
|
|
|
|
|
|
def _convert_snapshots(topo_dir):
|
|
"""
|
|
Convert 1.x snapshot to the new format
|
|
"""
|
|
old_snapshots_dir = os.path.join(topo_dir, "project-files", "snapshots")
|
|
if os.path.exists(old_snapshots_dir):
|
|
new_snapshots_dir = os.path.join(topo_dir, "snapshots")
|
|
os.makedirs(new_snapshots_dir)
|
|
|
|
for snapshot in os.listdir(old_snapshots_dir):
|
|
snapshot_dir = os.path.join(old_snapshots_dir, snapshot)
|
|
if os.path.isdir(snapshot_dir):
|
|
is_gns3_topo = False
|
|
|
|
# In .gns3project fileformat the .gns3 should be name project.gns3
|
|
for file in os.listdir(snapshot_dir):
|
|
if file.endswith(".gns3"):
|
|
shutil.move(os.path.join(snapshot_dir, file), os.path.join(snapshot_dir, "project.gns3"))
|
|
is_gns3_topo = True
|
|
|
|
if is_gns3_topo:
|
|
snapshot_arc = os.path.join(new_snapshots_dir, snapshot + ".gns3project")
|
|
with zipfile.ZipFile(snapshot_arc, 'w', allowZip64=True) as myzip:
|
|
for root, dirs, files in os.walk(snapshot_dir):
|
|
for file in files:
|
|
myzip.write(os.path.join(root, file), os.path.relpath(os.path.join(root, file), snapshot_dir), compress_type=zipfile.ZIP_DEFLATED)
|
|
|
|
shutil.rmtree(old_snapshots_dir)
|
|
|
|
|
|
def _convert_qemu_node(node, old_node):
|
|
"""
|
|
Convert qemu node from 1.X to 2.0
|
|
"""
|
|
|
|
# In 2.0 the internet VM is replaced by the NAT node
|
|
if old_node.get("properties", {}).get("hda_disk_image_md5sum") == "8ebc5a6ec53a1c05b7aa101b5ceefe31":
|
|
node["console"] = None
|
|
node["console_type"] = None
|
|
node["node_type"] = "nat"
|
|
del old_node["properties"]
|
|
node["properties"] = {
|
|
"ports": [
|
|
{
|
|
"interface": "eth1",
|
|
"name": "nat0",
|
|
"port_number": 0,
|
|
"type": "ethernet"
|
|
}
|
|
]
|
|
}
|
|
if node["symbol"] is None:
|
|
node["symbol"] = ":/symbols/cloud.svg"
|
|
return node
|
|
|
|
node["node_type"] = "qemu"
|
|
if node["symbol"] is None:
|
|
node["symbol"] = ":/symbols/qemu_guest.svg"
|
|
return node
|