bundlewrap/bundles/powerdns/metadata.py

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from bundlewrap.exceptions import NoSuchGroup
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defaults = {
'apt': {
'packages': {
'pdns-server': {},
'pdns-tools': {},
'pdns-backend-bind': {},
'pdns-backend-pgsql': {},
},
},
'powerdns': {
'api_key': repo.vault.password_for('{} powerdns api'.format(node.name)),
},
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'postgresql': {
'users': {
'powerdns': {
'password': repo.vault.password_for('{} postgresql powerdns'.format(node.name)),
},
},
'databases': {
'powerdns': {
'owner': 'powerdns',
},
},
},
}
@metadata_reactor
def get_ips_of_secondary_nameservers(metadata):
if metadata.get('powerdns/is_secondary', False):
return {}
ips = set()
for rnode in repo.nodes_in_group('dns'):
if rnode.metadata.get('powerdns/is_secondary', False):
ips.update({
str(ip) for ip in repo.libs.tools.resolve_identifier(repo, rnode.name)
})
return {
'powerdns': {
'my_secondary_servers': ips,
},
}
@metadata_reactor
def get_ips_of_primary_nameservers(metadata):
if not metadata.get('powerdns/is_secondary', False):
return {}
ips = set()
for rnode in repo.nodes_in_group('dns'):
if not rnode.metadata.get('powerdns/is_secondary', False):
ips.update({
str(ip) for ip in repo.libs.tools.resolve_identifier(repo, rnode.name)
})
return {
'powerdns': {
'my_primary_servers': ips,
},
}
@metadata_reactor
def generate_dns_entries_for_nodes(metadata):
results = set()
for rnode in repo.nodes:
node_name_split = rnode.name.split('.')
node_name_split.reverse()
dns_name = '.'.join(node_name_split)
ip4 = None
ip6 = None
# We only need this for GCE, because machines over there don't
# have a public ipv4 address.
if rnode.metadata.get('external_ipv4', None):
ip4 = rnode.metadata.get('external_ipv4')
for iface, config in sorted(rnode.metadata.get('interfaces', {}).items()):
if not ip4 and 'ipv4' in config:
ip4 = sorted(config['ipv4'])[0]
if not ip6 and 'ipv6' in config:
ip6 = sorted(config['ipv6'])[0]
if ip4:
results.add('{} IN A {}'.format(dns_name, ip4))
if ip6:
results.add('{} IN AAAA {}'.format(dns_name, ip6))
return {
'powerdns': {
'bind-zones': {
'kunbox.net': {
'records': results,
},
},
},
}