def clean_new_hostname(self):
old_ip = self.cleaned_data.get('address')
new_hostname = self.cleaned_data['new_hostname']
if not is_valid_hostname(new_hostname):
raise forms.ValidationError("Invalid hostname")
try:
get_domain(new_hostname)
except Domain.DoesNotExist:
raise forms.ValidationError("Invalid domain")
try:
ipaddress = IPAddress.objects.get(hostname=new_hostname)
except IPAddress.DoesNotExist:
if find_addresses_for_hostname(new_hostname):
raise forms.ValidationError("Hostname already in DNS.")
else:
if ipaddress.device and not ipaddress.device.deleted:
if not old_ip:
raise forms.ValidationError("Hostname in use.")
device = Device.objects.get(ipaddress__address=old_ip)
if ipaddress.device.id != device.id:
raise forms.ValidationError(
"Hostname used by %s" % device,
)
elif Record.objects.filter(name=new_hostname).exists():
raise forms.ValidationError("Hostname already in DNS.")
return new_hostname
def _get_address_candidates(address):
try:
ip_address = str(ipaddr.IPAddress(address))
except ValueError:
ip_address = None
try:
mac = MACAddressField.normalize(address)
except ValueError:
mac = None
if not mac:
hostname = address
if ip_address:
candidates = IPAddress.objects.filter(
address=ip_address,
)
elif mac:
ips = {
str(ip) for ip in
DHCPEntry.objects.filter(mac=mac).values_list('ip', flat=True)
}
candidates = IPAddress.objects.filter(address__in=ips)
else:
candidates = IPAddress.objects.filter(
Q(hostname=hostname) |
Q(address__in=find_addresses_for_hostname(hostname))
)
return candidates.filter(
device__deleted=False,
device__model__type__in={
DeviceType.rack_server,
DeviceType.blade_server,
DeviceType.virtual_server,
DeviceType.unknown,
}
)
def _validate_hostname(hostname, mac, parsed_hostnames, row_number):
mac = MACAddressField.normalize(mac)
try:
dev = Device.admin_objects.get(ethernet__mac=mac)
except Device.DoesNotExist:
if hostname_exists(hostname):
raise forms.ValidationError(
"Row %s: Hostname already exists." % row_number
)
else:
ip_addresses = list(
dev.ipaddress_set.values_list('address', flat=True)
)
ip_addresses_in_dns = find_addresses_for_hostname(hostname)
for ip in ip_addresses_in_dns:
if ip not in ip_addresses:
raise forms.ValidationError(
"Row %s: Using an old device %s failed. "
"Exists A or PTR records in DNS which are not assigned "
"to device IP addresses." % (row_number, dev)
)
if Deployment.objects.filter(hostname=hostname).exists():
raise forms.ValidationError(
"Row %s: Running deployment with hostname: %s already "
"exists." % (row_number, hostname)
)
if hostname in parsed_hostnames:
raise forms.ValidationError(
"Row %s: Duplicated hostname. "
"Please check previous rows..." % row_number
)
def clean_new_hostname(self):
old_ip = self.cleaned_data.get('address')
new_hostname = self.cleaned_data['new_hostname']
if not is_valid_hostname(new_hostname):
raise forms.ValidationError("Invalid hostname")
try:
get_domain(new_hostname)
except Domain.DoesNotExist:
raise forms.ValidationError("Invalid domain")
try:
ipaddress = IPAddress.objects.get(hostname=new_hostname)
except IPAddress.DoesNotExist:
if find_addresses_for_hostname(new_hostname):
raise forms.ValidationError("Hostname already in DNS.")
else:
if ipaddress.device and not ipaddress.device.deleted:
if not old_ip:
raise forms.ValidationError("Hostname in use.")
device = Device.objects.get(ipaddress__address=old_ip)
if ipaddress.device.id != device.id:
raise forms.ValidationError("Hostname used by %s" %
device, )
elif Record.objects.filter(name=new_hostname).exists():
raise forms.ValidationError("Hostname already in DNS.")
return new_hostname
def _get_address_candidates(address):
try:
ip_address = str(ipaddr.IPAddress(address))
except ValueError:
ip_address = None
try:
mac = MACAddressField.normalize(address)
except ValueError:
mac = None
if not mac:
hostname = address
if ip_address:
candidates = IPAddress.objects.filter(address=ip_address, )
elif mac:
ips = {
str(ip)
for ip in DHCPEntry.objects.filter(
mac=mac).values_list('ip', flat=True)
}
candidates = IPAddress.objects.filter(address__in=ips)
else:
candidates = IPAddress.objects.filter(
Q(hostname=hostname)
| Q(address__in=find_addresses_for_hostname(hostname)))
return candidates.filter(device__deleted=False,
device__model__type__in={
DeviceType.rack_server,
DeviceType.blade_server,
DeviceType.virtual_server,
DeviceType.unknown,
})
def _validate_hostname(hostname, mac, parsed_hostnames, row_number):
mac = MACAddressField.normalize(mac)
try:
dev = Device.admin_objects.get(ethernet__mac=mac)
except Device.DoesNotExist:
if hostname_exists(hostname):
raise forms.ValidationError("Row %s: Hostname already exists." %
row_number)
else:
ip_addresses = list(dev.ipaddress_set.values_list('address',
flat=True))
ip_addresses_in_dns = find_addresses_for_hostname(hostname)
for ip in ip_addresses_in_dns:
if ip not in ip_addresses:
raise forms.ValidationError(
"Row %s: Using an old device %s failed. "
"Exists A or PTR records in DNS which are not assigned "
"to device IP addresses." % (row_number, dev))
if Deployment.objects.filter(hostname=hostname).exists():
raise forms.ValidationError(
"Row %s: Running deployment with hostname: %s already "
"exists." % (row_number, hostname))
if hostname in parsed_hostnames:
raise forms.ValidationError("Row %s: Duplicated hostname. "
"Please check previous rows..." %
row_number)
