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from django.contrib.contenttypes.models import ContentType
from django.db.models import F
from django.utils.text import slugify
from dcim.choices import DeviceStatusChoices, InterfaceModeChoices, InterfaceTypeChoices, SiteStatusChoices
from dcim.models import Cable, CableTermination, Device, DeviceRole, DeviceType, Interface, Manufacturer, Site
from extras.scripts import *
from ipam.models import IPAddress, Prefix, VLAN
from ipam.lookups import NetContainsOrEquals
import ipaddress
import json
import re
import requests
from requests.models import HTTPBasicAuth
GONDUL_URL = ""
GONDUL_USERNAME = ""
GONDUL_PASSWORD = ""
def find_prefix_for_device(device) -> Prefix:
pass
class Netbox2Gondul(Script):
class Meta:
name = "Sync NetBox to Gondul"
description = re.sub(r'^\s*', '', """
Can be done for a single network/device or a full sync. Note that this will not do 'renames' of devices, so it is best used for updating device information.
If a device is selected, it will also sync the required networks as long as they are set up correctly (Primary IP addresses for the Device & VLAN configured for the Prefix of those IP Addresses).
""")
device = ObjectVar(
description="Device",
model=Device,
required=True,
)
def network_to_gondul(self, vlan: VLAN, prefix_v4: Prefix, prefix_v6: Prefix):
self.log_info(f"Posting {vlan.name} to Gondul")
gondul_auth = HTTPBasicAuth(GONDUL_USERNAME, GONDUL_PASSWORD)
subnet4 = None
subnet6 = None
gw4 = None
gw6 = None
router = None
if prefix_v4:
subnet4 = str(prefix_v4.prefix)
gw4 = str(ipaddress.IPv4Network(prefix_v4.prefix)[1])
else:
self.log_warning(f'Network for VLAN <a href="{vlan.get_absolute_url()}">{vlan.name}</a> is missing IPv4 Prefix')
if prefix_v6:
subnet6 = str(prefix_v6.prefix)
gw6 = str(ipaddress.IPv6Network(prefix_v6.prefix)[1])
else:
self.log_warning(f'Network for VLAN <a href="{vlan.get_absolute_url()}">{vlan.name}</a> is missing IPv6 Prefix')
try:
router = IPAddress.objects.get(address=gw4)
except IPAddress.DoesNotExist:
self.log_warning(f'Router not found for VLAN <a href="{vlan.get_absolute_url()}">{vlan.name}</a>')
router = "r1.tele"
vlan_name = vlan.name
if 'gondul-name:' in vlan.description:
override = vlan.description.split('gondul-name:')[1].split()[0]
self.log_info(f'Overriding management vlan name with: {override} (was: {vlan_name})')
vlan_name = override
vlan_name += f".{router}"
data = json.dumps([{
"name": vlan_name,
"subnet4": subnet4,
"subnet6": subnet6,
"gw4": gw4,
"gw6": gw6,
"router": router,
"vlan": vlan.vid,
}])
req = requests.post(
f"{GONDUL_URL}/api/write/networks",
auth=gondul_auth,
headers={'content-type': 'application/json'},
data=data,
)
if req.ok:
self.log_success(f"Gondul said (HTTP {req.status_code}): {req.text}")
else:
self.log_failure(f"Gondul said HTTP {req.status_code} and {req.text}")
def device_to_gondul(self, device: Device):
self.log_info(f"Posting {device.name} to Gondul")
# Find distro and distro port through the cable connected on uplink ae.
# Assuming the uplink AE is always named 'ae0'.
uplink_ae: Interface = device.interfaces.get(name="ae0")
first_ae_interface: Interface = uplink_ae.member_interfaces.first()
cable: Cable = first_ae_interface.cable
# Assuming we only have one entry in the cable termination list.
distro_interface: Interface = cable.a_terminations[0]
distro = distro_interface.device
mgmt_vlan = uplink_ae.tagged_vlans.first()
# Could consider filtering interfaces for: filter(Q(is_management=True) | Q(description__icontains="management")).first()
# to make sure we only pick management VLANs
mgmt_vlan_name = mgmt_vlan.name
if 'gondul-name:' in mgmt_vlan.description:
override = mgmt_vlan.description.split('gondul-name:')[1].split()[0]
self.log_info(f'Overriding management vlan name with: {override} (was: {mgmt_vlan_name})')
mgmt_vlan_name = override
# add name of router to vlan name
router = "r1.tele"
mgmt_vlan_name += f".{router}"
data = json.dumps([{
# "community": "", # Not implemented
"tags": list(device.tags.all()),
"distro_name": distro.name,
"distro_phy_port": distro_interface.name, # TODO: always .0 ?
"mgmt_v4_addr": str(device.primary_ip4.address.ip) if device.primary_ip4 is not None else None,
"mgmt_v6_addr": str(device.primary_ip6.address.ip) if device.primary_ip6 is not None else None,
"mgmt_vlan": mgmt_vlan_name,
# "placement": "", # Not implemented
# "poll_frequency": "", # Not implemented
"sysname": device.name,
# "traffic_vlan": "", # Not implemented
# "deleted": False, # Not implemented
}])
gondul_auth = HTTPBasicAuth(GONDUL_USERNAME, GONDUL_PASSWORD)
req = requests.post(
f"{GONDUL_URL}/api/write/switches",
auth=gondul_auth,
headers={'content-type': 'application/json'},
data=data,
)
if req.ok:
self.log_success(f"Gondul said (HTTP {req.status_code}): {req.text}")
else:
self.log_failure(f"Gondul said HTTP {req.status_code} and {req.text}")
def run(self, data, commit):
device: Device = data['device']
"""
vlan: VLAN = data['vlan']
prefix_v4: Prefix = data['prefix_v4']
prefix_v6: Prefix = data['prefix_v6']
"""
"""
if prefix_v4 is None:
self.log_info(f"v4 not provided, default")
"""
if not device.primary_ip4 and not device.primary_ip6:
self.log_failure(f'Device <a href="{device.get_absolute_url()}">{device.name}</a> is missing primary IPv4 and IPv6 address.')
return
vlan: VLAN = None
prefix_v4: Prefix = None
if device.primary_ip4:
prefix_v4 = Prefix.objects.get(NetContainsOrEquals(F('prefix'), str(device.primary_ip4.address)))
vlan = prefix_v4.vlan
else:
self.log_warning(f'Device <a href="{device.get_absolute_url()}">{device.name}</a> is missing primary IPv4 address.')
prefix_v6: Prefix = None
if device.primary_ip6:
prefix_v6 = Prefix.objects.get(NetContainsOrEquals(F('prefix'), str(device.primary_ip6.address)))
vlan = prefix_v6.vlan
else:
self.log_warning(f'Device <a href="{device.get_absolute_url()}">{device.name}</a> is missing primary IPv6 address.')
if prefix_v4 is not None and prefix_v6 is not None and prefix_v4.vlan != prefix_v6.vlan:
self.log_failure(f'VLANs differ for the IPv4 and IPv6 addresses.')
return
self.network_to_gondul(vlan, prefix_v4, prefix_v6)
self.log_success("All good, sending to Gondul")
self.device_to_gondul(device)
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