gns3-server/gns3server/controller/topology.py
grossmj 8ce0cbf7f7
Merge branch '2.2' into 3.0
# Conflicts:
#	gns3server/compute/base_node.py
#	gns3server/compute/docker/docker_vm.py
#	gns3server/compute/dynamips/nodes/c1700.py
#	gns3server/compute/dynamips/nodes/c2600.py
#	gns3server/compute/dynamips/nodes/c2691.py
#	gns3server/compute/dynamips/nodes/c3600.py
#	gns3server/compute/dynamips/nodes/c3725.py
#	gns3server/compute/dynamips/nodes/c3745.py
#	gns3server/compute/dynamips/nodes/c7200.py
#	gns3server/compute/dynamips/nodes/router.py
#	gns3server/compute/qemu/qemu_vm.py
#	gns3server/controller/node.py
#	gns3server/controller/topology.py
#	gns3server/handlers/api/compute/docker_handler.py
#	gns3server/handlers/api/compute/dynamips_vm_handler.py
#	gns3server/handlers/api/compute/qemu_handler.py
#	gns3server/schemas/docker.py
#	gns3server/schemas/docker_template.py
#	gns3server/schemas/dynamips_template.py
#	gns3server/schemas/dynamips_vm.py
#	gns3server/schemas/node.py
#	gns3server/schemas/qemu.py
#	gns3server/schemas/qemu_template.py
2024-09-23 13:28:56 +07:00

789 lines
30 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 html
import json
import uuid
import glob
import shutil
import zipfile
import pydantic
from typing import Optional
from ..version import __version__
from ..utils.qt import qt_font_to_style
from ..compute.dynamips import PLATFORMS_DEFAULT_RAM
from .controller_error import ControllerError
from .compute import Compute
from .drawing import Drawing
from .node import Node
from .link import Link
from gns3server.utils.hostname import is_ios_hostname_valid, is_rfc1123_hostname_valid, to_rfc1123_hostname, to_ios_hostname
from gns3server.schemas.controller.topology import Topology
from gns3server.schemas.compute.dynamips_nodes import DynamipsCreate
import logging
log = logging.getLogger(__name__)
GNS3_FILE_FORMAT_REVISION = 10
class DynamipsNodeValidation(DynamipsCreate):
name: Optional[str] = None
def _check_topology_schema(topo, path):
try:
Topology.model_validate(topo)
# Check the nodes property against compute schemas
for node in topo["topology"].get("nodes", []):
if node["node_type"] == "dynamips":
DynamipsNodeValidation.model_validate(node.get("properties", {}))
except pydantic.ValidationError as e:
error = f"Invalid data in topology file {path}: {e}"
log.critical(error)
raise ControllerError(error)
def project_to_topology(project):
"""
:return: A dictionary 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,
"scene_width": project.scene_width,
"scene_height": project.scene_height,
"zoom": project.zoom,
"show_layers": project.show_layers,
"snap_to_grid": project.snap_to_grid,
"show_grid": project.show_grid,
"grid_size": project.grid_size,
"drawing_grid_size": project.drawing_grid_size,
"show_interface_labels": project.show_interface_labels,
"variables": project.variables,
"supplier": project.supplier,
"topology": {"nodes": [], "links": [], "computes": [], "drawings": []},
"type": "topology",
"revision": GNS3_FILE_FORMAT_REVISION,
"version": __version__,
}
for node in project.nodes.values():
if isinstance(node, Node):
data["topology"]["nodes"].append(node.asdict(topology_dump=True))
else:
data["topology"]["nodes"].append(node)
for link in project.links.values():
if isinstance(link, Link):
data["topology"]["links"].append(link.asdict(topology_dump=True))
else:
data["topology"]["links"].append(link)
for drawing in project.drawings.values():
if isinstance(drawing, Drawing):
data["topology"]["drawings"].append(drawing.asdict(topology_dump=True))
else:
data["topology"]["drawings"].append(drawing)
for compute in project.computes:
if isinstance(compute, Compute):
compute = compute.asdict(topology_dump=True)
if compute["compute_id"] not in (
"vm",
"local",
):
data["topology"]["computes"].append(compute)
elif isinstance(compute, dict):
data["topology"]["computes"].append(compute)
_check_topology_schema(data, project.path)
return data
def load_topology(path):
"""
Open a topology file, patch it for last GNS3 release and return it
"""
log.debug(f"Read topology {path}")
try:
with open(path, encoding="utf-8") as f:
topo = json.load(f)
except (OSError, UnicodeDecodeError, ValueError) as e:
raise ControllerError(f"Could not load topology {path}: {str(e)}")
if topo.get("revision", 0) > GNS3_FILE_FORMAT_REVISION:
raise ControllerError(
"This project was created with more recent version of GNS3 (file revision: {}). Please upgrade GNS3 to version {} or later".format(
topo["revision"], topo["version"]
)
)
changed = False
if "revision" not in topo or topo["revision"] < GNS3_FILE_FORMAT_REVISION:
# Convert the topology if this is an old one but backup the file first
try:
shutil.copy(path, path + ".backup{}".format(topo.get("revision", 0)))
except OSError as e:
raise ControllerError(f"Can't write backup of the topology {path}: {str(e)}")
changed = True
# update the version because we converted the topology
topo["version"] = __version__
if "revision" not in topo or topo["revision"] < 5:
topo = _convert_1_3_later(topo, path)
# Version before GNS3 2.0 alpha 4
if topo["revision"] < 6:
topo = _convert_2_0_0_alpha(topo, path)
# Version before GNS3 2.0 beta 3
if topo["revision"] < 7:
topo = _convert_2_0_0_beta_2(topo, path)
# Version before GNS3 2.1
if topo["revision"] < 8:
topo = _convert_2_0_0(topo, path)
# Version before GNS3 2.1
if topo["revision"] < 9:
topo = _convert_2_1_0(topo, path)
# Version GNS3 2.2 dev (for project created with 2.2dev).
# Appliance ID has been replaced by Template ID
if topo["revision"] == 9:
for node in topo.get("topology", {}).get("nodes", []):
if "appliance_id" in node:
node["template_id"] = node["appliance_id"]
del node["appliance_id"]
# make sure console_type is not None but "none" string
if "console_type" in node and node["console_type"] is None:
node["console_type"] = "none"
# make sure we can open a project with empty variable name
variables = topo.get("variables")
if variables:
topo["variables"] = [var for var in variables if var.get("name")]
# Version before GNS3 3.0
if topo["revision"] < 10:
topo = _convert_2_2_0(topo, path)
try:
_check_topology_schema(topo, path)
except ControllerError as e:
log.error("Can't load the topology %s, please check using the debug mode...", path)
raise e
if changed:
try:
with open(path, "w+", encoding="utf-8") as f:
json.dump(topo, f, indent=4, sort_keys=True)
except OSError as e:
raise ControllerError(f"Can't write the topology {path}: {str(e)}")
return topo
def _convert_2_2_0(topo, topo_path):
"""
Convert topologies from GNS3 2.2.x to 3.0
Changes:
* Convert Qemu and Docker node names to be a valid RFC1123 hostnames.
* Convert Dynamips and IOU node names to be a valid IOS hostnames.
"""
topo["revision"] = 10
for node in topo.get("topology", {}).get("nodes", []):
if "properties" in node:
if node["node_type"] in ("qemu", "docker") and not is_rfc1123_hostname_valid(node["name"]):
new_name = to_rfc1123_hostname(node["name"])
log.info(f"Convert node name {node['name']} to {new_name} (RFC1123)")
node["name"] = new_name
if node["node_type"] in ("dynamips", "iou") and not is_ios_hostname_valid(node["name"] ):
new_name = to_ios_hostname(node["name"])
log.info(f"Convert node name {node['name']} to {new_name} (IOS)")
node["name"] = new_name
return topo
def _convert_2_1_0(topo, topo_path):
"""
Convert topologies from GNS3 2.1.x to 2.2
Changes:
* Removed acpi_shutdown option from Qemu, VMware and VirtualBox
"""
topo["revision"] = 9
if "grid_size" in topo:
# drawing_grid_size should be the same size as grid_size
# to avoid overlapping grids
topo["drawing_grid_size"] = topo["grid_size"]
for node in topo.get("topology", {}).get("nodes", []):
# make sure console_type is not None but "none" string
if "console_type" in node and node["console_type"] is None:
node["console_type"] = "none"
if "properties" in node:
if node["node_type"] in ("qemu", "vmware", "virtualbox"):
if "acpi_shutdown" in node["properties"]:
if node["properties"]["acpi_shutdown"] is True:
node["properties"]["on_close"] = "save_vm_state"
else:
node["properties"]["on_close"] = "power_off"
del node["properties"]["acpi_shutdown"]
if "save_vm_state" in node["properties"]:
del node["properties"]["save_vm_state"]
return topo
def _convert_2_0_0(topo, topo_path):
"""
Convert topologies from GNS3 2.0.0 to 2.1
Changes:
* Remove startup_script_path from VPCS and base config file for IOU and Dynamips
"""
topo["revision"] = 8
for node in topo.get("topology", {}).get("nodes", []):
if "properties" in node:
if node["node_type"] == "vpcs":
if "startup_script_path" in node["properties"]:
del node["properties"]["startup_script_path"]
if "startup_script" in node["properties"]:
del node["properties"]["startup_script"]
elif node["node_type"] == "dynamips" or node["node_type"] == "iou":
if "startup_config" in node["properties"]:
del node["properties"]["startup_config"]
if "private_config" in node["properties"]:
del node["properties"]["private_config"]
if "startup_config_content" in node["properties"]:
del node["properties"]["startup_config_content"]
if "private_config_content" in node["properties"]:
del node["properties"]["private_config_content"]
return topo
def _convert_2_0_0_beta_2(topo, topo_path):
"""
Convert topologies from GNS3 2.0.0 beta 2 to beta 3.
Changes:
* Node id folders for dynamips
"""
topo_dir = os.path.dirname(topo_path)
topo["revision"] = 7
for node in topo.get("topology", {}).get("nodes", []):
if node["node_type"] == "dynamips":
node_id = node["node_id"]
dynamips_id = node["properties"]["dynamips_id"]
dynamips_dir = os.path.join(topo_dir, "project-files", "dynamips")
node_dir = os.path.join(dynamips_dir, node_id)
try:
os.makedirs(os.path.join(node_dir, "configs"), exist_ok=True)
for path in glob.glob(os.path.join(glob.escape(dynamips_dir), f"*_i{dynamips_id}_*")):
shutil.move(path, os.path.join(node_dir, os.path.basename(path)))
for path in glob.glob(os.path.join(glob.escape(dynamips_dir), "configs", f"i{dynamips_id}_*")):
shutil.move(path, os.path.join(node_dir, "configs", os.path.basename(path)))
except OSError as e:
raise ControllerError(f"Can't convert project {topo_path}: {str(e)}")
return topo
def _convert_2_0_0_alpha(topo, topo_path):
"""
Convert topologies from GNS3 2.0.0 alpha to 2.0.0 final.
Changes:
* No more serial console
* No more option for VMware / VirtualBox remote console (always use telnet)
"""
topo["revision"] = 6
for node in topo.get("topology", {}).get("nodes", []):
if node.get("console_type") == "serial":
node["console_type"] = "telnet"
if node["node_type"] in ("vmware", "virtualbox"):
prop = node.get("properties")
if "enable_remote_console" in prop:
del prop["enable_remote_console"]
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": 5,
"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)
try:
node["compute_id"] = server_id_to_compute_id[old_node["server_id"]]
except KeyError:
node["compute_id"] = "local"
node["console_type"] = old_node["properties"].get("console_type", "telnet")
if "label" in old_node:
node["name"] = old_node["label"]["text"]
node["label"] = _convert_label(old_node["label"])
else:
node["name"] = old_node["properties"]["name"]
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"] = {}
# Some old dynamips node don't have type
if "type" not in old_node:
old_node["type"] = old_node["properties"]["platform"].upper()
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.get("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.get("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"].upper() in [
"C1700",
"C2600",
"C2691",
"C3600",
"C3620",
"C3640",
"C3660",
"C3725",
"C3745",
"C7200",
"EtherSwitchRouter",
]:
if node["symbol"] is None:
node["symbol"] = ":/symbols/router.svg"
node["node_type"] = "dynamips"
node["properties"]["dynamips_id"] = old_node.get("dynamips_id")
if "platform" not in node["properties"] and old_node["type"].upper().startswith("C"):
node["properties"]["platform"] = old_node["type"].lower()
if node["properties"]["platform"].startswith("c36"):
node["properties"]["platform"] = "c3600"
if "ram" not in node["properties"] and old_node["type"].startswith("C"):
node["properties"]["ram"] = PLATFORMS_DEFAULT_RAM[old_node["type"].lower()]
elif old_node["type"] == "VMwareVM":
node["node_type"] = "vmware"
node["properties"]["linked_clone"] = old_node.get("linked_clone", False)
if node["symbol"] is None:
node["symbol"] = ":/symbols/vmware_guest.svg"
elif old_node["type"] == "VirtualBoxVM":
node["node_type"] = "virtualbox"
node["properties"]["linked_clone"] = old_node.get("linked_clone", False)
if node["symbol"] is None:
node["symbol"] = ":/symbols/vbox_guest.svg"
elif old_node["type"] == "IOUDevice":
node["node_type"] = "iou"
node["port_name_format"] = old_node.get("port_name_format", "Ethernet{segment0}/{port0}")
node["port_segment_size"] = int(old_node.get("port_segment_size", "4"))
if node["symbol"] is None:
if "l2" in node["properties"].get("path", ""):
node["symbol"] = ":/symbols/multilayer_switch.svg"
else:
node["symbol"] = ":/symbols/router.svg"
elif old_node["type"] == "Cloud":
symbol = old_node.get("symbol", ":/symbols/cloud.svg")
old_node["ports"] = _create_cloud(node, old_node, symbol)
elif old_node["type"] == "Host":
symbol = old_node.get("symbol", ":/symbols/computer.svg")
old_node["ports"] = _create_cloud(node, old_node, symbol)
else:
raise ControllerError("Conversion of {} is not supported".format(old_node["type"]))
for prop in old_node.get("properties", {}):
if prop not in ["console", "name", "console_type", "console_host", "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", []):
if node["node_type"] in ("ethernet_hub", "ethernet_switch"):
port["port_number"] -= 1
ports[port["id"]] = port
new_topo["topology"]["nodes"].append(node)
# Create links
for old_link in topo.get("links", []):
try:
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)
except KeyError:
continue
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.get("font", "TypeWriter,10,-1,5,75,0,0,0,0,0").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.get("color", "#00000000")[-6:],
opacity=round(
1.0 / 255 * int(note.get("color", "#ffffffff")[: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=html.escape(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 += f'stroke-dasharray="{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.get("color"))
return {
"text": html.escape(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 = []
keep_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"
elif old_port["name"].startswith("nio_udp"):
port_type = "udp"
elif old_port["name"].startswith("nio_nat"):
continue
else:
raise ControllerError("The conversion of cloud with {} is not supported".format(old_port["name"]))
if port_type == "udp":
try:
_, lport, rhost, rport = old_port["name"].split(":")
except ValueError:
raise ControllerError("UDP tunnel using IPV6 is not supported in cloud")
port = {
"name": f"UDP tunnel {len(ports) + 1}",
"port_number": len(ports) + 1,
"type": port_type,
"lport": int(lport),
"rhost": rhost,
"rport": int(rport),
}
else:
port = {
"interface": old_port["name"].split(":")[1],
"name": old_port["name"].split(":")[1],
"port_number": len(ports) + 1,
"type": port_type,
}
keep_ports.append(old_port)
ports.append(port)
node["properties"]["ports_mapping"] = ports
node["properties"]["interfaces"] = []
return keep_ports
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, exist_ok=True)
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