bundlewrap/bundles/bind/metadata.py

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