def del_cluster(session, logger, dbcluster, config):
check_no_provided_service(dbcluster)
if hasattr(dbcluster, 'members') and dbcluster.members:
raise ArgumentError("%s is still in use by clusters: %s." %
(format(dbcluster),
", ".join([c.name for c in dbcluster.members])))
elif dbcluster.hosts:
hosts = ", ".join([h.fqdn for h in dbcluster.hosts])
raise ArgumentError("%s is still in use by hosts: %s." %
(format(dbcluster), hosts))
plenaries = PlenaryCollection(logger=logger)
plenaries.append(Plenary.get_plenary(dbcluster))
if dbcluster.resholder:
for res in dbcluster.resholder.resources:
plenaries.append(Plenary.get_plenary(res))
session.delete(dbcluster)
session.flush()
plenaries.remove(remove_profile=True)
trigger_notifications(config, logger, CLIENT_INFO)
return
def render(self, session, logger, hostname, **arguments):
# Check dependencies, translate into user-friendly message
dbhost = hostname_to_host(session, hostname)
dbhost.lock_row()
check_no_provided_service(dbhost)
# Any service bindings that we need to clean up afterwards
plenaries = PlenaryCollection(logger=logger)
remove_plenaries = PlenaryCollection(logger=logger)
remove_plenaries.append(Plenary.get_plenary(dbhost))
archetype = dbhost.archetype.name
dbmachine = dbhost.hardware_entity
oldinfo = DSDBRunner.snapshot_hw(dbmachine)
ip = dbmachine.primary_ip
for si in dbhost.services_used:
plenaries.append(PlenaryServiceInstanceServer.get_plenary(si))
logger.info("Before deleting {0:l}, removing binding to {1:l}"
.format(dbhost, si))
del dbhost.services_used[:]
if dbhost.resholder:
for res in dbhost.resholder.resources:
remove_plenaries.append(Plenary.get_plenary(res))
# In case of Zebra, the IP may be configured on multiple interfaces
for iface in dbmachine.interfaces:
if ip in iface.addresses:
iface.addresses.remove(ip)
if dbhost.cluster:
dbcluster = dbhost.cluster
dbcluster.hosts.remove(dbhost)
set_committed_value(dbhost, '_cluster', None)
dbcluster.validate()
plenaries.append(Plenary.get_plenary(dbcluster))
dbdns_rec = dbmachine.primary_name
dbmachine.primary_name = None
dbmachine.host = None
session.delete(dbhost)
delete_dns_record(dbdns_rec)
session.flush()
if dbmachine.vm_container:
plenaries.append(Plenary.get_plenary(dbmachine.vm_container))
with CompileKey.merge([plenaries.get_key(),
remove_plenaries.get_key()]):
plenaries.stash()
remove_plenaries.stash()
try:
plenaries.write(locked=True)
remove_plenaries.remove(locked=True, remove_profile=True)
if archetype != 'aurora' and ip is not None:
dsdb_runner = DSDBRunner(logger=logger)
dsdb_runner.update_host(dbmachine, oldinfo)
dsdb_runner.commit_or_rollback("Could not remove host %s from "
"DSDB" % hostname)
if archetype == 'aurora':
logger.client_info("WARNING: removing host %s from AQDB and "
"*not* changing DSDB." % hostname)
except:
plenaries.restore_stash()
remove_plenaries.restore_stash()
raise
trigger_notifications(self.config, logger, CLIENT_INFO)
return
