PowerDNS instead of bind9 #2

Merged
kunsi merged 23 commits from kunsi-feature-powerdns-instead-of-bind into main 2020-10-17 11:12:35 +00:00
12 changed files with 0 additions and 258 deletions
Showing only changes of commit 0a115d2372 - Show all commits

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% for key in keys:
key ${key['name']} {
algorithm ${key['algorithm']};
secret "${key['secret']}";
};
% endfor

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include "/etc/bind/keys.conf";
% for zone in sorted(primary_zones):
zone "${zone}" IN {
type master;
file "/var/lib/bind/primary/${zone}";
};
% endfor
zone "10.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "16.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "17.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "18.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "19.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "20.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "21.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "22.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "23.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "24.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "25.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "26.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "27.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "28.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "29.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "30.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "31.172.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };
zone "168.192.in-addr.arpa" { type master; file "/etc/bind/db.empty"; };

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% for o in node.metadata.get('bind', {}).get('options', []):
<%include file="options/${o}"/>
% endfor

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from os import listdir
from os.path import isfile, join
from datetime import datetime
from subprocess import check_output
ZONE_HEADER = """
; _ ____ _ _ _____ _ _ _ _ ____
; / \\ / ___| | | |_ _| | | | \\ | |/ ___|
; / _ \\| | | |_| | | | | | | | \\| | | _
; / ___ \\ |___| _ | | | | |_| | |\\ | |_| |
; /_/ \\_\\____|_| |_| |_| \\___/|_| \\_|\\____|
;
; --> Diese Datei wird von BundleWrap verwaltet! <--
$TTL 60
@ IN SOA ns-1.kunbox.net. hostmaster.kunbox.net. (
{serial}
3600
3600
86400
300
)
@ IN NS bind01.gce.kunbox.net.
IN NS b.ns14.net.
IN NS c.ns14.net.
IN NS d.ns14.net.
"""
svc_systemd = {
'bind9': {
'needs': {
'pkg_apt:bind9',
},
},
}
pkg_apt = {
'bind9': {},
}
directories = {
"/var/lib/bind/primary": {
'group': 'bind',
'needs': {
'pkg_apt:bind9',
},
'owner': 'bind',
'purge': True,
},
"/var/log/named": {
'group': 'bind',
'needs': {
'pkg_apt:bind9',
},
'owner': 'bind',
},
}
files = {
"/etc/bind/keys.conf": {
'content_type': 'mako',
'group': 'bind',
'mode': '0440',
'context': {
'keys': node.metadata.get('bind', {}).get('keys', []),
},
'triggers': {
'svc_systemd:bind9:reload',
},
'needs': {
'pkg_apt:bind9',
},
},
"/etc/bind/named.conf.options": {
'content_type': 'mako',
'group': 'bind',
'mode': '0440',
'triggers': {
'svc_systemd:bind9:reload',
},
'needs': {
'pkg_apt:bind9',
},
},
}
if node.metadata.get('bind', {}).get('rndc', ''):
files['/etc/bind/rndc.conf'] = {
'mode': '0440',
'source': 'rndc/{}'.format(node.metadata['bind']['rndc']),
'content_type': 'mako',
'triggers': {
'svc_systemd:bind9:reload',
},
}
# this looks for zones either directly at data/bind/zones/ or in a subdirectory if so configured
zone_path = join(
repo.path,
'data', 'bind', 'files', 'zones',
node.metadata.get('bind', {}).get('zone_path', ""),
)
primary_zones = set()
for zone in listdir(zone_path):
if not isfile(join(zone_path, zone)) or zone.startswith(".") or zone.startswith("_"):
continue
output = check_output(['git', 'log', '-1', '--pretty=%ci', join(zone_path, zone)]).decode('utf-8').strip()
serial = datetime.strptime(output, '%Y-%m-%d %H:%M:%S %z').strftime('%y%m%d%H%M')
primary_zones.add(zone)
files["/var/lib/bind/primary/{}".format(zone)] = {
'content_type': 'mako',
'context': {
'header': ZONE_HEADER.format(serial=serial),
'metadata_records': node.metadata.get('bind', {}).get('zones_primary', {}).get(zone, {}).get('records', []),
},
'mode': '0444',
'owner': 'bind',
'source': 'zones/{}'.format(join(node.metadata.get('bind', {}).get('zone_path', ""), zone)),
'triggers': {
'svc_systemd:bind9:reload',
},
'needs': {
'pkg_apt:bind9'
},
}
primary_zones.union(set(node.metadata.get('bind', {}).get('zones_primary', {}).keys()))
files['/etc/bind/named.conf.local'] = {
'content_type': 'mako',
'context': {
'primary_zones': list(primary_zones),
},
'group': 'bind',
'triggers': {
'svc_systemd:bind9:reload',
},
'needs': {
'pkg_apt:bind9',
},
}

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from bundlewrap.metadata import atomic
defaults = {
'icinga2_api': {
'bind': {
'services': {
'BIND PROCESS': {
'command_on_monitored_host': '/usr/lib/nagios/plugins/check_procs -C named -c 1:1',
},
},
},
},
}
@metadata_reactor
def port_checks(metadata):
services = {}
for interface in metadata.get('bind/listen', set()):
services[f'BIND PORT {interface}'] = {
'check_command': 'tcp',
'vars.tcp_address': metadata.get(f'interfaces/{interface}/ip_addresses')[0],
'vars.tcp_port': 53,
}
return {
'icinga2_api': {
'bind': {
'services': services,
},
},
}
@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 {
'bind': {
'zones_primary': {
'kunbox.net': {
'records': results,
},
},
},
}

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../../bind/files/zones