def leader_init_db_if_ready(skip_acl_check=False, skip_cells_restarts=False,
db_rid=None, unit=None):
"""Initialise db if leader and db not yet intialised.
NOTE: must be called from database context.
"""
if not is_elected_leader(CLUSTER_RES):
log("Not leader - skipping db init", level=DEBUG)
return
if is_db_initialised():
log("Database already initialised - skipping db init", level=DEBUG)
return
# Bugs 1353135 & 1187508. Dbs can appear to be ready before the units
# acl entry has been added. So, if the db supports passing a list of
# permitted units then check if we're in the list.
allowed_units = relation_get('nova_allowed_units', rid=db_rid, unit=unit)
if skip_acl_check or (allowed_units and local_unit() in
allowed_units.split()):
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')]
log('Triggering remote neutron-network-service restarts.')
[quantum_joined(rid=rid, remote_restart=True)
for rid in relation_ids('quantum-network-service')]
if not skip_cells_restarts:
log('Triggering remote cell restarts.')
[nova_cell_relation_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cell')]
else:
log('allowed_units either not presented, or local unit '
'not in acl list: %s' % repr(allowed_units))
def leader_init_db_if_ready(skip_acl_check=False, skip_cells_restarts=False,
db_rid=None, unit=None):
"""Initialise db if leader and db not yet intialised.
NOTE: must be called from database context.
"""
if not is_elected_leader(CLUSTER_RES):
log("Not leader - skipping db init", level=DEBUG)
return
if is_db_initialised():
log("Database already initialised - skipping db init", level=DEBUG)
return
# Bugs 1353135 & 1187508. Dbs can appear to be ready before the units
# acl entry has been added. So, if the db supports passing a list of
# permitted units then check if we're in the list.
allowed_units = relation_get('nova_allowed_units', rid=db_rid, unit=unit)
if skip_acl_check or (allowed_units and local_unit() in
allowed_units.split()):
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')]
log('Triggering remote neutron-network-service restarts.')
[quantum_joined(rid=rid, remote_restart=True)
for rid in relation_ids('quantum-network-service')]
if not skip_cells_restarts:
log('Triggering remote cell restarts.')
[nova_cell_relation_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cell')]
else:
log('allowed_units either not presented, or local unit '
'not in acl list: %s' % repr(allowed_units))
def update_cell_db_if_ready(skip_acl_check=False, db_rid=None, unit=None):
"""Update the cells db if leader and db's are already intialised"""
if not is_leader():
return
if not is_db_initialised():
log("Database not initialised - skipping cell db update", level=DEBUG)
return
allowed_units = relation_get('nova_allowed_units', rid=db_rid, unit=unit)
if skip_acl_check or (allowed_units
and local_unit() in allowed_units.split()):
update_cell_database()
else:
log('allowed_units either not presented, or local unit '
'not in acl list: %s' % repr(allowed_units))
def compute_changed(rid=None, unit=None):
for r_id in relation_ids('nova-api'):
nova_api_relation_joined(rid=r_id)
rel_settings = relation_get(rid=rid, unit=unit)
if not rel_settings.get('region', None) == config('region'):
relation_set(relation_id=rid, region=config('region'))
if is_db_initialised():
add_hosts_to_cell()
if 'migration_auth_type' not in rel_settings:
return
if rel_settings['migration_auth_type'] == 'ssh':
status_set('maintenance', 'configuring live migration')
key = rel_settings.get('ssh_public_key')
if not key:
log('SSH migration set but peer did not publish key.')
return
ssh_compute_add(key, rid=rid, unit=unit)
index = 0
for line in ssh_known_hosts_lines(unit=unit):
relation_set(
relation_id=rid,
relation_settings={'known_hosts_{}'.format(index): line})
index += 1
relation_set(relation_id=rid, known_hosts_max_index=index)
index = 0
for line in ssh_authorized_keys_lines(unit=unit):
relation_set(
relation_id=rid,
relation_settings={'authorized_keys_{}'.format(index): line})
index += 1
relation_set(relation_id=rid, authorized_keys_max_index=index)
if 'nova_ssh_public_key' not in rel_settings:
return
if rel_settings['nova_ssh_public_key']:
ssh_compute_add(rel_settings['nova_ssh_public_key'],
rid=rid,
unit=unit,
user='******')
index = 0
for line in ssh_known_hosts_lines(unit=unit, user='******'):
relation_set(relation_id=rid,
relation_settings={
'{}_known_hosts_{}'.format('nova', index): line
})
index += 1
relation_set(relation_id=rid,
relation_settings={
'{}_known_hosts_max_index'.format('nova'): index
})
index = 0
for line in ssh_authorized_keys_lines(unit=unit, user='******'):
relation_set(relation_id=rid,
relation_settings={
'{}_authorized_keys_{}'.format('nova', index):
line
})
index += 1
relation_set(relation_id=rid,
relation_settings={
'{}_authorized_keys_max_index'.format('nova'): index
})