def _update_records(self, zone, name, rtype, ttl, contents):
assert isinstance(contents, list)
zone = self._encode_name(zone)
name = self._encode_name(name)
contents = [self._encode_content(rtype, c) for c in contents]
rrset = powerdns.RRSet(name, rtype, contents, ttl)
zone = self._server.get_zone(zone)
zone.create_records([rrset])
def add_rand_records(api, zonename, num_records):
logging.error("Entering add rand records!")
zone = api.servers[0].get_zone(zonename)
logging.error(zone.details)
records = []
for i in range(num_records):
r = rand_string()
ip = rand_ipv4()
zone.create_records([powerdns.RRSet(r, 'A', [(ip, False)])])
def add_record(dns_names: Sequence[str],
host_ips: Sequence[str],
dns_domain: str = None):
records = []
for dns_name in dns_names:
domain = extract_domain(dns_name) if dns_domain is None else dns_domain
zone = get_or_create_zone(domain)
logger.info(f"Add/update records for {dns_name} ({host_ips})")
if dns_name.endswith(".") == False:
dns_name += "."
records.append(powerdns.RRSet(dns_name, 'A', host_ips))
return zone.create_records(records)
def add_rand_zone(api):
tlds = ["com", "org", "net", "se"]
tld = random.choice(tlds)
domain = rand_string()
full_name = f"{domain}.{tld}."
serial = str(date.today().strftime("%Y%m%d00"))
soa = f"ns0.{full_name} admin.{full_name} {serial} 28800 7200 604800 86400"
soa_name = f"test.python-powerdns.{full_name}"
soa_r = powerdns.RRSet(name=full_name,
rtype="SOA",
records=[(soa, False)],
ttl=86400)
try:
zone = api.servers[0].create_zone(name=full_name, kind="Native", rrsets=[soa_r], nameservers=[f"ns1.{full_name}", f"ns2.{full_name}"])
except:
log.error("Error in api connection")
log.error(sys.exc_info()[0])
log.info(f"{zone},{str(zone.details)}")
def add(self, name, rtype, values, ttl=3600):
"""Add a new record to the zone.
:param name: label name
:type name: str
:param rtype: type of record
:type rtype: str
:param values: values of label
:type values: list
:param ttl: time to live
:type ttl: int
"""
if name.endswith('.'):
extended_name = name
else:
extended_name = '{name}.'.format(name=name)
logging.info(
'Adding record: %-30s %3s %20s %4d',
extended_name, rtype, values, ttl)
items = [(item, False) for item in values]
rrset = powerdns.RRSet(extended_name, rtype, items, ttl=ttl)
self.zone.create_records([rrset])
def _handle_message(self, body):
jbody = json.loads(body["oslo.message"])
event_type = jbody["event_type"]
log.info("Event type: {}".format(event_type))
project = jbody["_context_project_name"]
project_id = jbody["_context_project_id"]
hostaddr_internal = ""
if event_type in [EVENT_CREATE, EVENT_DELETE, EVENT_IP_UPDATE]:
log.info("Have changes for project {}".format(project))
api_client = powerdns.PDNSApiClient(api_endpoint=PDNS_API,
api_key=PDNS_KEY)
api = powerdns.PDNSEndpoint(api_client)
internal_zone = api.servers[0].get_zone(
'{}.internal.dev.seeburger.de.'.format(project))
external_zone = api.servers[0].get_zone(
'{}.dev.seeburger.de.'.format(project))
if event_type == EVENT_CREATE:
server_id = jbody["payload"]["instance_id"]
hostname = jbody["payload"]["hostname"]
hostaddr = jbody["payload"]["fixed_ips"][0]["address"]
log.info(
"Adding {}.{}.internal.seeburger.de. \tA \t{} \t{}".format(
hostname, project, TTL, hostaddr))
user = jbody["_context_user_name"]
user_id = jbody["_context_user_id"]
# server_id = jbody["payload"]["instance_id"]
log.debug(
"Instance ID: {}, User: {}, User ID: {}, Project: {}, Project ID: {}"
.format(server_id, user, user_id, project, project_id))
server = self.nova.servers.get(server_id)
try:
self.nova.servers.set_meta_item(server, "project", project)
self.nova.servers.set_meta_item(server, "project_id",
project_id)
self.nova.servers.set_meta_item(server, "user", user)
self.nova.servers.set_meta_item(server, "user_id", user_id)
self.nova.servers.set_meta_item(server, "ip", hostaddr)
self.nova.servers.set_meta_item(server, "hostname",
hostname)
except Exception as e:
log.warn("Exception {} thrown".format(e))
# Delete old A records, which may have existed and create a new one in the
# Zone of the internal and externat domain
internal_zone.delete_record(
[powerdns.RRSet(hostname, 'A', [])])
external_zone.delete_record(
[powerdns.RRSet(hostname, 'A', [])])
internal_zone.create_records(
[powerdns.RRSet(hostname, 'A', [(hostaddr, False)], TTL)])
elif event_type == EVENT_DELETE and SKIP_DELETE:
log.info(
"Delete request received, but SKIP_DELETE is set to {}, so skipping"
.format(SKIP_DELETE))
elif event_type == EVENT_DELETE and not SKIP_DELETE:
server_id = jbody["payload"]["instance_id"]
hostname = jbody["payload"]["hostname"]
hostaddr = ""
log.info("Deleting {}.{}[.internal].seeburger.de".format(
hostname, project))
# As the instance vanished, delete all remaining know A records.
internal_zone.delete_record(
[powerdns.RRSet(hostname, 'A', [])])
external_zone.delete_record(
[powerdns.RRSet(hostname, 'A', [])])
elif event_type == EVENT_IP_UPDATE:
hostaddr = jbody["payload"]["floatingip"][
"floating_ip_address"]
ip = jbody["payload"]["floatingip"]["fixed_ip_address"]
log.info("Hostaddr {}".format(hostaddr))
log.info("Ip {}".format(ip))
if ip == None:
log.info(
"Disaccotiated floating ip {}. Do nothing for now...".
format(hostaddr))
return
if not hostaddr.isspace():
server = self.get_server_for_ip(ip, project_id)
hostaddr_internal = ip
hostname = server.name
#nsupdate_script = NSUPDATE_ADD_PUBLIC
log.info("Adding records for hostname {}".format(hostname))
# Add or update A records fir internal and external domain.
log.info("Adding address...")
external_zone.create_records([
powerdns.RRSet(hostname, 'A', [(hostaddr, False)], TTL)
])
internal_zone.create_records([
powerdns.RRSet(hostname, 'A',
[(hostaddr_internal, False)], TTL)
])
log.info("Added {}.{}.dev.seeburger.de {}".format(
hostname, project, hostaddr))
else:
log.error(
"Unknown event type: {} - Do nothing".format(event_type))
return
def _handle_message(self, body):
#log.debug(body)
jbody = json.loads(body["oslo.message"])
event_type = jbody["event_type"]
log.debug(event_type)
if event_type == EVENT_CREATE or event_type == EVENT_DELETE:
instancename = jbody["payload"]["hostname"]
if FQDN(str(instancename)).is_valid:
log.debug('Instancename is a valide FQDN')
fqdn = instancename + '.'
zone = self.suggested_zone(fqdn)
hostname = fqdn.replace(zone.name, "")[:-1]
if event_type == EVENT_CREATE:
fixed_ips0 = jbody["payload"]["fixed_ips"][0]["address"]
fixed_ips1 = jbody["payload"]["fixed_ips"][1]["address"]
ips0 = ipaddress.ip_address(fixed_ips0)
if ips0.version == 4:
ipv4addr = fixed_ips0
ipv6addr = fixed_ips1
else:
ipv4addr = fixed_ips1
ipv6addr = fixed_ips0
log.info("Adding {} {} {}".format(instancename, ipv4addr, ipv6addr))
fq_ptr_v4 = self.get_reverse_pointer(ipv4addr)
fq_ptr_v6 = self.get_reverse_pointer(ipv6addr)
ptr_v4_zone = self.suggested_zone(fq_ptr_v4)
ptr_v6_zone = self.suggested_zone(fq_ptr_v6)
ptr_v4_name = fq_ptr_v4.replace(ptr_v4_zone.name, "")[:-1]
ptr_v6_name = fq_ptr_v6.replace(ptr_v6_zone.name, "")[:-1]
if '.dev.' in fqdn:
ttl = 300
else:
ttl = 3600
zone.create_records([
powerdns.RRSet(hostname, 'A', [(ipv4addr, False)], ttl),
powerdns.RRSet(hostname, 'AAAA', [(ipv6addr, False)], ttl),
])
ptr_v4_zone.create_records([
powerdns.RRSet(ptr_v4_name, 'PTR', [(instancename + '.', False)], ttl)
])
ptr_v6_zone.create_records([
powerdns.RRSet(ptr_v6_name, 'PTR', [(instancename + '.', False)], ttl)
])
if event_type == EVENT_DELETE:
log.info("Deleting {}".format(instancename))
result = api.servers[0].search(instancename)
i = 0
while i < len(result):
if result[i]['type'] == 'A' or result[i]['type'] == 'AAAA':
fq_ptr = self.get_reverse_pointer(result[i]['content'])
ptr_zone = self.suggested_zone(fq_ptr)
ptr_name = fq_ptr.replace(ptr_zone.name, "")[:-1]
log.info("Deleting {}".format(ptr_name))
ptr_zone.delete_records([
powerdns.RRSet(ptr_name, 'PTR', [])
])
i += 1
zone.delete_records([
powerdns.RRSet(hostname, 'A', []),
powerdns.RRSet(hostname, 'AAAA', []),
])
