def rename_hardware(session, dbhw_ent, rename_to):
if "." in rename_to:
if not dbhw_ent.primary_name:
raise ArgumentError(
"{0} does not have a primary name, renaming "
"using an FQDN is not possible.".format(dbhw_ent))
old_domain = dbhw_ent.primary_name.fqdn.dns_domain
dns_env = dbhw_ent.primary_name.fqdn.dns_environment
new_label, new_domain = parse_fqdn(session, rename_to)
else:
new_label = rename_to
if dbhw_ent.primary_name:
old_domain = new_domain = dbhw_ent.primary_name.fqdn.dns_domain
dns_env = dbhw_ent.primary_name.fqdn.dns_environment
else:
new_domain = None
dns_env = None
old_domain.lock_row()
if new_domain != old_domain:
new_domain.lock_row()
dbhw_ent.check_label(new_label)
HardwareEntity.get_unique(session, new_label, preclude=True)
old_label = dbhw_ent.label
fqdns = []
for addr in dbhw_ent.all_addresses():
fqdns.extend([dns_rec.fqdn for dns_rec in addr.dns_records])
# This case handles reserved names
if dbhw_ent.primary_name and dbhw_ent.primary_name.fqdn not in fqdns:
fqdns.append(dbhw_ent.primary_name.fqdn)
# Filter out unrelated FQDNs
fqdns = [
fqdn for fqdn in fqdns if fqdn.dns_domain == old_domain and (
fqdn.name == old_label or fqdn.name.startswith(old_label + "-"))
]
# Update all state in one go, so disable autoflush for now.
with session.no_autoflush:
dbhw_ent.label = new_label
for dbfqdn in fqdns:
new_name = new_label + dbfqdn.name[len(old_label):]
Fqdn.get_unique(session,
name=new_name,
dns_domain=new_domain,
dns_environment=dns_env,
preclude=True)
dbfqdn.dns_domain = new_domain
dbfqdn.name = new_name
def rename_hardware(session, dbhw_ent, rename_to):
if "." in rename_to:
if not dbhw_ent.primary_name:
raise ArgumentError("{0} does not have a primary name, renaming "
"using an FQDN is not possible."
.format(dbhw_ent))
old_domain = dbhw_ent.primary_name.fqdn.dns_domain
dns_env = dbhw_ent.primary_name.fqdn.dns_environment
new_label, new_domain = parse_fqdn(session, rename_to)
else:
new_label = rename_to
if dbhw_ent.primary_name:
old_domain = new_domain = dbhw_ent.primary_name.fqdn.dns_domain
dns_env = dbhw_ent.primary_name.fqdn.dns_environment
else:
new_domain = None
dns_env = None
old_domain.lock_row()
if new_domain != old_domain:
new_domain.lock_row()
dbhw_ent.check_label(new_label)
HardwareEntity.get_unique(session, new_label, preclude=True)
old_label = dbhw_ent.label
fqdns = []
for addr in dbhw_ent.all_addresses():
fqdns.extend([dns_rec.fqdn for dns_rec in addr.dns_records])
# This case handles reserved names
if dbhw_ent.primary_name and dbhw_ent.primary_name.fqdn not in fqdns:
fqdns.append(dbhw_ent.primary_name.fqdn)
# Filter out unrelated FQDNs
fqdns = [fqdn for fqdn in fqdns if fqdn.dns_domain == old_domain and
(fqdn.name == old_label or fqdn.name.startswith(old_label + "-"))]
# Update all state in one go, so disable autoflush for now.
with session.no_autoflush:
dbhw_ent.label = new_label
for dbfqdn in fqdns:
new_name = new_label + dbfqdn.name[len(old_label):]
Fqdn.get_unique(session, name=new_name, dns_domain=new_domain,
dns_environment=dns_env, preclude=True)
dbfqdn.dns_domain = new_domain
dbfqdn.name = new_name
def hostname_to_host(session, hostname):
# When the user asked for a host, returning "machine not found" does not
# feel to be the right error message, even if it is technically correct.
# It's a little tricky though: we don't want to suppress "dns domain not
# found"
parse_fqdn(session, hostname)
try:
dbmachine = HardwareEntity.get_unique(session, hostname, compel=True)
except NotFoundException:
raise NotFoundException("Host %s not found." % hostname)
if not dbmachine.host:
raise NotFoundException("{0} does not have a host "
"assigned.".format(dbmachine))
return dbmachine.host
def render(
self,
session,
logger,
machine,
chassis,
switch,
interface,
fqdn,
ip,
label,
keep_dns,
network_environment,
**kwargs
):
if machine:
hwtype = "machine"
hwname = machine
elif chassis:
hwtype = "chassis"
hwname = chassis
elif switch:
hwtype = "switch"
hwname = switch
dbhw_ent = HardwareEntity.get_unique(session, hwname, hardware_type=hwtype, compel=True)
dbinterface = Interface.get_unique(session, hardware_entity=dbhw_ent, name=interface, compel=True)
dbnet_env = NetworkEnvironment.get_unique_or_default(session, network_environment)
oldinfo = DSDBRunner.snapshot_hw(dbhw_ent)
if fqdn:
dbdns_rec = ARecord.get_unique(session, fqdn=fqdn, dns_environment=dbnet_env.dns_environment, compel=True)
ip = dbdns_rec.ip
addr = None
if ip:
addr = first_of(dbinterface.assignments, lambda x: x.ip == ip)
if not addr:
raise ArgumentError("{0} does not have IP address {1} assigned to " "it.".format(dbinterface, ip))
elif label is not None:
addr = first_of(dbinterface.assignments, lambda x: x.label == label)
if not addr:
raise ArgumentError("{0} does not have an address with label " "{1}.".format(dbinterface, label))
if not addr:
raise ArgumentError("Please specify the address to be removed " "using either --ip, --label, or --fqdn.")
dbnetwork = addr.network
ip = addr.ip
if dbnetwork.network_environment != dbnet_env:
raise ArgumentError(
"The specified address lives in {0:l}, not in "
"{1:l}. Use the --network_environment option "
"to select the correct environment.".format(dbnetwork.network_environment, dbnet_env)
)
# Forbid removing the primary name
if ip == dbhw_ent.primary_ip:
raise ArgumentError("The primary IP address of a hardware entity " "cannot be removed.")
dbinterface.assignments.remove(addr)
# Check if the address was assigned to multiple interfaces, and remove
# the DNS entries if this was the last use
q = session.query(AddressAssignment)
q = q.filter_by(network=dbnetwork)
q = q.filter_by(ip=ip)
other_uses = q.all()
if not other_uses and not keep_dns:
q = session.query(ARecord)
q = q.filter_by(network=dbnetwork)
q = q.filter_by(ip=ip)
q = q.join(ARecord.fqdn)
q = q.filter_by(dns_environment=dbnet_env.dns_environment)
map(delete_dns_record, q.all())
session.flush()
dbhost = getattr(dbhw_ent, "host", None)
if dbhost:
plenary_info = PlenaryHost(dbhost, logger=logger)
key = plenary_info.get_write_key()
try:
lock_queue.acquire(key)
try:
plenary_info.write(locked=True)
except IncompleteError:
# FIXME: if this command is used after "add host" but before
# "make", then writing out the template will fail due to
# required services not being assigned. Ignore this error
# for now.
plenary_info.restore_stash()
dsdb_runner = DSDBRunner(logger=logger)
dsdb_runner.update_host(dbhw_ent, oldinfo)
if not other_uses and keep_dns:
q = session.query(ARecord)
q = q.filter_by(network=dbnetwork)
q = q.filter_by(ip=ip)
dbdns_rec = q.first()
dsdb_runner.add_host_details(dbdns_rec.fqdn, ip)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
except:
plenary_info.restore_stash()
raise
finally:
lock_queue.release(key)
else:
dsdb_runner = DSDBRunner(logger=logger)
dsdb_runner.update_host(dbhw_ent, oldinfo)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
return
def render(self, session, logger, machine, chassis, switch, interface,
fqdn, ip, label, keep_dns, network_environment, **kwargs):
if machine:
hwtype = 'machine'
hwname = machine
elif chassis:
hwtype = 'chassis'
hwname = chassis
elif switch:
hwtype = 'switch'
hwname = switch
dbhw_ent = HardwareEntity.get_unique(session,
hwname,
hardware_type=hwtype,
compel=True)
dbinterface = Interface.get_unique(session,
hardware_entity=dbhw_ent,
name=interface,
compel=True)
dbnet_env = NetworkEnvironment.get_unique_or_default(
session, network_environment)
oldinfo = DSDBRunner.snapshot_hw(dbhw_ent)
if fqdn:
dbdns_rec = ARecord.get_unique(
session,
fqdn=fqdn,
dns_environment=dbnet_env.dns_environment,
compel=True)
ip = dbdns_rec.ip
addr = None
if ip:
addr = first_of(dbinterface.assignments, lambda x: x.ip == ip)
if not addr:
raise ArgumentError(
"{0} does not have IP address {1} assigned to "
"it.".format(dbinterface, ip))
elif label is not None:
addr = first_of(dbinterface.assignments,
lambda x: x.label == label)
if not addr:
raise ArgumentError("{0} does not have an address with label "
"{1}.".format(dbinterface, label))
if not addr:
raise ArgumentError("Please specify the address to be removed "
"using either --ip, --label, or --fqdn.")
dbnetwork = addr.network
ip = addr.ip
if dbnetwork.network_environment != dbnet_env:
raise ArgumentError("The specified address lives in {0:l}, not in "
"{1:l}. Use the --network_environment option "
"to select the correct environment.".format(
dbnetwork.network_environment, dbnet_env))
# Forbid removing the primary name
if ip == dbhw_ent.primary_ip:
raise ArgumentError("The primary IP address of a hardware entity "
"cannot be removed.")
dbinterface.assignments.remove(addr)
# Check if the address was assigned to multiple interfaces, and remove
# the DNS entries if this was the last use
q = session.query(AddressAssignment)
q = q.filter_by(network=dbnetwork)
q = q.filter_by(ip=ip)
other_uses = q.all()
if not other_uses and not keep_dns:
q = session.query(ARecord)
q = q.filter_by(network=dbnetwork)
q = q.filter_by(ip=ip)
q = q.join(ARecord.fqdn)
q = q.filter_by(dns_environment=dbnet_env.dns_environment)
map(delete_dns_record, q.all())
session.flush()
dbhost = getattr(dbhw_ent, "host", None)
if dbhost:
plenary_info = PlenaryHost(dbhost, logger=logger)
key = plenary_info.get_write_key()
try:
lock_queue.acquire(key)
try:
plenary_info.write(locked=True)
except IncompleteError:
# FIXME: if this command is used after "add host" but before
# "make", then writing out the template will fail due to
# required services not being assigned. Ignore this error
# for now.
plenary_info.restore_stash()
dsdb_runner = DSDBRunner(logger=logger)
dsdb_runner.update_host(dbhw_ent, oldinfo)
if not other_uses and keep_dns:
q = session.query(ARecord)
q = q.filter_by(network=dbnetwork)
q = q.filter_by(ip=ip)
dbdns_rec = q.first()
dsdb_runner.add_host_details(dbdns_rec.fqdn, ip)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
except:
plenary_info.restore_stash()
raise
finally:
lock_queue.release(key)
else:
dsdb_runner = DSDBRunner(logger=logger)
dsdb_runner.update_host(dbhw_ent, oldinfo)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
return
def render(self, session, logger, machine, chassis, switch, fqdn,
interface, label, network_environment, map_to_primary,
**kwargs):
if machine:
hwtype = 'machine'
hwname = machine
elif chassis:
hwtype = 'chassis'
hwname = chassis
elif switch:
hwtype = 'switch'
hwname = switch
dbnet_env = NetworkEnvironment.get_unique_or_default(
session, network_environment)
dbhw_ent = HardwareEntity.get_unique(session,
hwname,
hardware_type=hwtype,
compel=True)
dbinterface = Interface.get_unique(session,
hardware_entity=dbhw_ent,
name=interface,
compel=True)
oldinfo = DSDBRunner.snapshot_hw(dbhw_ent)
audit_results = []
ip = generate_ip(session,
logger,
dbinterface,
network_environment=dbnet_env,
audit_results=audit_results,
**kwargs)
if dbinterface.interface_type == "loopback":
# Switch loopback interfaces may use e.g. the network address as an
# IP address
relaxed = True
else:
relaxed = False
if not fqdn:
if not dbhw_ent.primary_name:
raise ArgumentError("{0} has no primary name, can not "
"auto-generate the DNS record. "
"Please specify --fqdn.".format(dbhw_ent))
if label:
name = "%s-%s-%s" % (dbhw_ent.primary_name.fqdn.name,
interface, label)
else:
name = "%s-%s" % (dbhw_ent.primary_name.fqdn.name, interface)
fqdn = "%s.%s" % (name, dbhw_ent.primary_name.fqdn.dns_domain)
if label is None:
label = ""
elif label == "hostname":
# When add_host sets up Zebra, it always uses the label 'hostname'.
# Due to the primary IP being special, add_interface_address cannot
# really emulate what add_host does, so tell the user where to look.
raise ArgumentError("The 'hostname' label can only be managed "
"by add_host/del_host.")
# The label will be used as an nlist key
if label:
validate_basic("label", label)
# TODO: add allow_multi=True
dbdns_rec, newly_created = grab_address(session,
fqdn,
ip,
dbnet_env,
relaxed=relaxed)
ip = dbdns_rec.ip
dbnetwork = dbdns_rec.network
delete_old_dsdb_entry = not newly_created and not dbdns_rec.assignments
# Reverse PTR control. Auxiliary addresses should point to the primary
# name by default, with some exceptions.
if (map_to_primary is None and dbhw_ent.primary_name
and dbinterface.interface_type != "management"
and dbdns_rec.fqdn.dns_environment
== dbhw_ent.primary_name.fqdn.dns_environment):
map_to_primary = True
if map_to_primary:
if not dbhw_ent.primary_name:
raise ArgumentError(
"{0} does not have a primary name, cannot "
"set the reverse DNS mapping.".format(dbhw_ent))
if (dbhw_ent.primary_name.fqdn.dns_environment !=
dbdns_rec.fqdn.dns_environment):
raise ArgumentError("{0} lives in {1:l}, not {2:l}.".format(
dbhw_ent, dbhw_ent.primary_name.fqdn.dns_environment,
dbdns_rec.fqdn.dns_environment))
if dbinterface.interface_type == "management":
raise ArgumentError("The reverse PTR for management addresses "
"should not point to the primary name.")
dbdns_rec.reverse_ptr = dbhw_ent.primary_name.fqdn
# Check that the network ranges assigned to different interfaces
# do not overlap even if the network environments are different, because
# that would confuse routing on the host. E.g. if eth0 is an internal
# and eth1 is an external interface, then using 192.168.1.10/24 on eth0
# and using 192.168.1.20/26 on eth1 won't work.
for addr in dbhw_ent.all_addresses():
if addr.network != dbnetwork and \
addr.network.network.overlaps(dbnetwork.network):
raise ArgumentError("{0} in {1:l} used on {2:l} overlaps "
"requested {3:l} in "
"{4:l}.".format(
addr.network,
addr.network.network_environment,
addr.interface, dbnetwork,
dbnetwork.network_environment))
assign_address(dbinterface, ip, dbnetwork, label=label)
session.flush()
dbhost = getattr(dbhw_ent, "host", None)
if dbhost:
plenary_info = PlenaryHost(dbhost, logger=logger)
key = plenary_info.get_write_key()
try:
lock_queue.acquire(key)
try:
plenary_info.write(locked=True)
except IncompleteError:
# FIXME: if this command is used after "add host" but before
# "make", then writing out the template will fail due to
# required services not being assigned. Ignore this error
# for now.
plenary_info.restore_stash()
dsdb_runner = DSDBRunner(logger=logger)
if delete_old_dsdb_entry:
dsdb_runner.delete_host_details(dbdns_rec.fqdn, ip)
dsdb_runner.update_host(dbhw_ent, oldinfo)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
except:
plenary_info.restore_stash()
raise
finally:
lock_queue.release(key)
else:
dsdb_runner = DSDBRunner(logger=logger)
if delete_old_dsdb_entry:
dsdb_runner.delete_host_details(dbdns_rec.fqdn, ip)
dsdb_runner.update_host(dbhw_ent, oldinfo)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
for name, value in audit_results:
self.audit_result(session, name, value, **kwargs)
return
def render(self, session, logger, machine, chassis, network_device, fqdn,
interface, label, network_environment, map_to_primary, **kwargs):
if machine:
hwtype = 'machine'
hwname = machine
elif chassis:
hwtype = 'chassis'
hwname = chassis
elif network_device:
hwtype = 'network_device'
hwname = network_device
dbnet_env = NetworkEnvironment.get_unique_or_default(session,
network_environment)
dbhw_ent = HardwareEntity.get_unique(session, hwname,
hardware_type=hwtype, compel=True)
dbinterface = Interface.get_unique(session, hardware_entity=dbhw_ent,
name=interface, compel=True)
oldinfo = DSDBRunner.snapshot_hw(dbhw_ent)
audit_results = []
ip = generate_ip(session, logger, dbinterface,
network_environment=dbnet_env,
audit_results=audit_results, **kwargs)
if dbinterface.interface_type == "loopback":
# Switch loopback interfaces may use e.g. the network address as an
# IP address
relaxed = True
else:
relaxed = False
if not fqdn:
if not dbhw_ent.primary_name:
raise ArgumentError("{0} has no primary name, can not "
"auto-generate the DNS record. "
"Please specify --fqdn.".format(dbhw_ent))
if label:
name = "%s-%s-%s" % (dbhw_ent.primary_name.fqdn.name, interface,
label)
else:
name = "%s-%s" % (dbhw_ent.primary_name.fqdn.name, interface)
fqdn = "%s.%s" % (name, dbhw_ent.primary_name.fqdn.dns_domain)
if label is None:
label = ""
elif label == "hostname":
# When add_host sets up Zebra, it always uses the label 'hostname'.
# Due to the primary IP being special, add_interface_address cannot
# really emulate what add_host does, so tell the user where to look.
raise ArgumentError("The 'hostname' label can only be managed "
"by add_host/del_host.")
# The label will be used as an nlist key
if label:
validate_nlist_key("label", label)
# TODO: add allow_multi=True
dbdns_rec, newly_created = grab_address(session, fqdn, ip, dbnet_env,
relaxed=relaxed)
ip = dbdns_rec.ip
dbnetwork = dbdns_rec.network
delete_old_dsdb_entry = not newly_created and not dbdns_rec.assignments
# Reverse PTR control. Auxiliary addresses should point to the primary
# name by default, with some exceptions.
if (map_to_primary is None and dbhw_ent.primary_name and
dbinterface.interface_type != "management" and
dbdns_rec.fqdn.dns_environment == dbhw_ent.primary_name.fqdn.dns_environment):
map_to_primary = True
if map_to_primary:
if not dbhw_ent.primary_name:
raise ArgumentError("{0} does not have a primary name, cannot "
"set the reverse DNS mapping."
.format(dbhw_ent))
if (dbhw_ent.primary_name.fqdn.dns_environment !=
dbdns_rec.fqdn.dns_environment):
raise ArgumentError("{0} lives in {1:l}, not {2:l}."
.format(dbhw_ent,
dbhw_ent.primary_name.fqdn.dns_environment,
dbdns_rec.fqdn.dns_environment))
if dbinterface.interface_type == "management":
raise ArgumentError("The reverse PTR for management addresses "
"should not point to the primary name.")
dbdns_rec.reverse_ptr = dbhw_ent.primary_name.fqdn
# Check that the network ranges assigned to different interfaces
# do not overlap even if the network environments are different, because
# that would confuse routing on the host. E.g. if eth0 is an internal
# and eth1 is an external interface, then using 192.168.1.10/24 on eth0
# and using 192.168.1.20/26 on eth1 won't work.
for addr in dbhw_ent.all_addresses():
if addr.network != dbnetwork and \
addr.network.network.overlaps(dbnetwork.network):
raise ArgumentError("{0} in {1:l} used on {2:l} overlaps "
"requested {3:l} in "
"{4:l}.".format(addr.network,
addr.network.network_environment,
addr.interface,
dbnetwork,
dbnetwork.network_environment))
assign_address(dbinterface, ip, dbnetwork, label=label, logger=logger)
session.flush()
dbhost = getattr(dbhw_ent, "host", None)
if dbhost:
plenary_info = Plenary.get_plenary(dbhost, logger=logger)
with plenary_info.get_key():
try:
try:
plenary_info.write(locked=True)
except IncompleteError:
# FIXME: if this command is used after "add host" but
# before "make", then writing out the template will fail
# due to required services not being assigned. Ignore
# this error for now.
plenary_info.restore_stash()
dsdb_runner = DSDBRunner(logger=logger)
if delete_old_dsdb_entry:
dsdb_runner.delete_host_details(dbdns_rec.fqdn, ip)
dsdb_runner.update_host(dbhw_ent, oldinfo)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
except:
plenary_info.restore_stash()
raise
else:
dsdb_runner = DSDBRunner(logger=logger)
if delete_old_dsdb_entry:
dsdb_runner.delete_host_details(dbdns_rec.fqdn, ip)
dsdb_runner.update_host(dbhw_ent, oldinfo)
dsdb_runner.commit_or_rollback("Could not add host to DSDB")
for name, value in audit_results:
self.audit_result(session, name, value, **kwargs)
return
