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bundlewrap
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bundles/powerdns: use only public ips or those attached to physical interfaces to create dns records
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This commit is contained in:
Franzi 2021-09-25 11:08:18 +02:00
parent b81153e957
commit 2b0e3a4bf0
Signed by: kunsi
GPG Key ID: 12E3D2136B818350
1 changed files with 26 additions and 3 deletions
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29
bundles/powerdns/metadata.py
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@ -1,3 +1,5 @@
from ipaddress import ip_address, IPv4Address
from bundlewrap.metadata import atomic
defaults = {
@ -131,10 +133,31 @@ def generate_dns_entries_for_nodes(metadata):
if not ip6 and not ip.is_private:
ip6 = ip
# We're doing this once again to get the nodes which only have
# private ips.
if not ip4 and found_ips['ipv4']:
ip4 = sorted(found_ips['ipv4'])[0]
# This node apparently does not have a public IPv4 address.
# We now manually iterate over that nodes interfaces to get
# a IPv4 address which is tied to a physical interface.
# Note we can't use resolve_identifier() here, because we
# only want physical interfaces.
for interface, config in rnode.metadata.get('interfaces', {}).items():
if not (
interface.startswith('bond') or
interface.startswith('br') or
interface.startswith('eno') or
interface.startswith('enp') or
interface.startswith('eth') or
interface == 'default' # dummy nodes use these
):
continue
for ip in sorted(config.get('ips', set())):
if '/' in ip:
addr = ip_address(ip.split('/')[0])
else:
addr = ip_address(ip)
if not ip4 and isinstance(addr, IPv4Address):
ip4 = addr
if ip4:
results.add('{} IN A {}'.format(dns_name, ip4))