def cluster_joined(relation_id=None):
if config('prefer-ipv6'):
relation_settings = {'hostname': socket.gethostname(),
'private-address': get_ipv6_addr()[0]}
relation_set(relation_id=relation_id,
relation_settings=relation_settings)
if is_relation_made('ha') and \
config('ha-vip-only') is False:
log('hacluster relation is present, skipping native '
'rabbitmq cluster config.')
return
configure_nodename()
try:
if not is_leader():
log('Not the leader, deferring cookie propagation to leader')
return
except NotImplementedError:
if is_newer():
log('cluster_joined: Relation greater.')
return
if not os.path.isfile(rabbit.COOKIE_PATH):
log('erlang cookie missing from %s' % rabbit.COOKIE_PATH,
level=ERROR)
return
if not is_sufficient_peers():
return
if is_elected_leader('res_rabbitmq_vip'):
cookie = open(rabbit.COOKIE_PATH, 'r').read().strip()
peer_store('cookie', cookie)
def cluster_changed():
# Future travelers beware ordering is significant
rdata = relation_get()
# sync passwords
blacklist = ['hostname', 'private-address', 'public-address']
whitelist = [a for a in rdata.keys() if a not in blacklist]
peer_echo(includes=whitelist)
cookie = peer_retrieve('cookie')
if not cookie:
log('cluster_joined: cookie not yet set.', level=INFO)
return
rdata = relation_get()
if rdata:
hostname = rdata.get('hostname', None)
private_address = rdata.get('private-address', None)
if hostname and private_address:
rabbit.update_hosts_file({private_address: hostname})
if not is_sufficient_peers():
log('Not enough peers, waiting until leader is configured',
level=INFO)
return
# sync the cookie with peers if necessary
update_cookie()
if is_relation_made('ha') and \
config('ha-vip-only') is False:
log('hacluster relation is present, skipping native '
'rabbitmq cluster config.', level=INFO)
return
# cluster with node?
try:
if not is_leader():
rabbit.cluster_with()
update_nrpe_checks()
except NotImplementedError:
if is_newer():
rabbit.cluster_with()
update_nrpe_checks()
# If cluster has changed peer db may have changed so run amqp_changed
# to sync any changes
for rid in relation_ids('amqp'):
for unit in related_units(rid):
amqp_changed(relation_id=rid, remote_unit=unit)
def cluster_changed():
cookie = peer_retrieve('cookie')
if not cookie:
log('cluster_joined: cookie not yet set.', level=INFO)
return
rdata = relation_get()
if config('prefer-ipv6') and rdata.get('hostname'):
private_address = rdata['private-address']
hostname = rdata['hostname']
if hostname:
rabbit.update_hosts_file({private_address: hostname})
# sync passwords
blacklist = ['hostname', 'private-address', 'public-address']
whitelist = [a for a in rdata.keys() if a not in blacklist]
peer_echo(includes=whitelist)
if not is_sufficient_peers():
# Stop rabbit until leader has finished configuring
service_stop('rabbitmq-server')
return
# sync the cookie with peers if necessary
update_cookie()
if is_relation_made('ha') and \
config('ha-vip-only') is False:
log('hacluster relation is present, skipping native '
'rabbitmq cluster config.', level=INFO)
return
# cluster with node?
try:
if not is_leader():
rabbit.cluster_with()
update_nrpe_checks()
except NotImplementedError:
if is_newer():
rabbit.cluster_with()
update_nrpe_checks()
# If cluster has changed peer db may have changed so run amqp_changed
# to sync any changes
for rid in relation_ids('amqp'):
for unit in related_units(rid):
amqp_changed(relation_id=rid, remote_unit=unit)
def cluster_joined(relation_id=None):
relation_settings = {
'hostname': rabbit.get_unit_hostname(),
'private-address':
ch_ip.get_relation_ip(
rabbit_net_utils.CLUSTER_INTERFACE,
cidr_network=config(rabbit_net_utils.CLUSTER_OVERRIDE_CONFIG)),
}
relation_set(relation_id=relation_id,
relation_settings=relation_settings)
if is_relation_made('ha') and \
config('ha-vip-only') is False:
log('hacluster relation is present, skipping native '
'rabbitmq cluster config.')
return
try:
if not is_leader():
log('Not the leader, deferring cookie propagation to leader')
return
except NotImplementedError:
if is_newer():
log('cluster_joined: Relation greater.')
return
if not os.path.isfile(rabbit.COOKIE_PATH):
log('erlang cookie missing from %s' % rabbit.COOKIE_PATH,
level=ERROR)
return
if is_leader():
log('Leader peer_storing cookie', level=INFO)
cookie = open(rabbit.COOKIE_PATH, 'r').read().strip()
peer_store('cookie', cookie)
peer_store('leader_node_ip', unit_private_ip())
peer_store('leader_node_hostname', rabbit.get_unit_hostname())
def cluster_joined(relation_id=None):
relation_settings = {
'hostname':
rabbit.get_unit_hostname(),
'private-address':
ch_ip.get_relation_ip(rabbit_net_utils.CLUSTER_INTERFACE,
cidr_network=config(
rabbit_net_utils.CLUSTER_OVERRIDE_CONFIG)),
}
relation_set(relation_id=relation_id, relation_settings=relation_settings)
if is_relation_made('ha') and \
config('ha-vip-only') is False:
log('hacluster relation is present, skipping native '
'rabbitmq cluster config.')
return
try:
if not is_leader():
log('Not the leader, deferring cookie propagation to leader')
return
except NotImplementedError:
if is_newer():
log('cluster_joined: Relation greater.')
return
if not os.path.isfile(rabbit.COOKIE_PATH):
log('erlang cookie missing from %s' % rabbit.COOKIE_PATH, level=ERROR)
return
if is_leader():
log('Leader peer_storing cookie', level=INFO)
cookie = open(rabbit.COOKIE_PATH, 'r').read().strip()
peer_store('cookie', cookie)
peer_store('leader_node_ip', unit_private_ip())
peer_store('leader_node_hostname', rabbit.get_unit_hostname())
