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peeringdb-peeringdb/peeringdb_server/management/commands/pdb_load_data.py
2019-01-29 06:43:14 +00:00

118 lines
3.8 KiB
Python

import logging
import datetime
from django.core.management import call_command
from django.core.management.base import BaseCommand
from django.core.exceptions import ValidationError, ObjectDoesNotExist
from django.db.models.signals import post_save, pre_delete, pre_save
from django.conf import settings
from peeringdb_server import models as pdb_models
from peeringdb_server import signals
from django_peeringdb import models as djpdb_models
from django_peeringdb import sync, settings as djpdb_settings
def sync_obj(cls, row):
"""
we need to override django peeringdb's sync_obj function
because our models differ slightly, not pretty, but good enough
for now.
"""
if row.get("status") != "ok":
return
try:
obj = cls.objects.get(pk=row['id'])
except cls.DoesNotExist:
obj = cls()
for k, v in row.items():
if k in ["latitude", "longitude"] and v:
v = "{:3.6f}".format(float(v))
elif k == "fac_id":
k = "facility_id"
elif k == "net_id":
k = "network_id"
elif k == "info_prefixes4":
v = max(v, 50000)
elif k == "info_prefixes6":
v = max(v, 10000)
try:
setattr(obj, k, v)
except AttributeError:
pass
#print(obj, obj.id)
try:
# we want to validate because it fixes some values
# but at the same time we don't care about any validation
# errors, since we can assume that the data from the
# server is already valid, nor do we want to block import
# because our validators differ from the servers.
obj.full_clean()
except ValidationError as e:
pass
for field in cls._meta.get_fields():
ftyp = cls._meta.get_field(field.name)
value = getattr(obj, field.name, None)
if isinstance(value, datetime.datetime):
setattr(obj, field.name, value.replace(tzinfo=pdb_models.UTC()))
else:
if hasattr(ftyp, "related_name") and ftyp.multiple:
continue
else:
try:
setattr(obj, field.name, value)
except AttributeError:
pass
obj.save()
return
sync.sync_obj = sync_obj
class Command(BaseCommand):
help = "Load initial data from another peeringdb instance"
def add_arguments(self, parser):
parser.add_argument("--url", default="https://www.peeringdb.com/api/",
type=str)
parser.add_argument('--commit', action='store_true',
help="will commit the changes")
def handle(self, *args, **options):
if settings.RELEASE_ENV != "dev" and not settings.TUTORIAL_MODE:
self.stdout.write("Command can only be run on dev instances and instances "\
"with tutorial mode enabled")
return
if not options.get("commit"):
self.stdout.write("This will sync data from {url} to this instance, and will take "\
"roughly 20 minutes to complete on a fresh db. "\
"Run the command with `--commit` if you are sure you want "\
"to do this.".format(**options))
return
djpdb_settings.SYNC_URL = options.get("url")
pre_save.disconnect(signals.addressmodel_save,
sender=pdb_models.Facility)
djpdb_models.all_models = [
pdb_models.Organization, pdb_models.Facility, pdb_models.Network,
pdb_models.InternetExchange, pdb_models.InternetExchangeFacility,
pdb_models.IXLan, pdb_models.IXLanPrefix,
pdb_models.NetworkContact, pdb_models.NetworkFacility,
pdb_models.NetworkIXLan
]
call_command("pdb_sync")