def assess_status():
'''Assess status of current unit'''
application_version_set(get_upstream_version(VERSION_PACKAGE))
# Check that the no-bootstrap config option is set in conjunction with
# having the bootstrap-source relation established
if not config('no-bootstrap') and is_relation_made('bootstrap-source'):
status_set(
'blocked', 'Cannot join the bootstrap-source relation when '
'no-bootstrap is False')
return
moncount = int(config('monitor-count'))
units = get_peer_units()
# not enough peers and mon_count > 1
if len(units.keys()) < moncount:
status_set(
'blocked', 'Insufficient peer units to bootstrap'
' cluster (require {})'.format(moncount))
return
# mon_count > 1, peers, but no ceph-public-address
ready = sum(1 for unit_ready in units.values() if unit_ready)
if ready < moncount:
status_set('waiting', 'Peer units detected, waiting for addresses')
return
# active - bootstrapped + quorum status check
if ceph.is_bootstrapped() and ceph.is_quorum():
status_set('active', 'Unit is ready and clustered')
else:
# Unit should be running and clustered, but no quorum
# TODO: should this be blocked or waiting?
status_set('blocked', 'Unit not clustered (no quorum)')
def osd_relation(relid=None, unit=None):
if ceph.is_quorum():
log('mon cluster in quorum - providing fsid & keys')
public_addr = get_public_addr()
data = {
'fsid':
leader_get('fsid'),
'osd_bootstrap_key':
ceph.get_osd_bootstrap_key(),
'auth':
config('auth-supported'),
'ceph-public-address':
public_addr,
'osd_upgrade_key':
ceph.get_named_key('osd-upgrade', caps=ceph.osd_upgrade_caps),
}
data.update(handle_broker_request(relid, unit))
relation_set(relation_id=relid, relation_settings=data)
# NOTE: radosgw key provision is gated on presence of OSD
# units so ensure that any deferred hooks are processed
notify_radosgws()
notify_client()
notify_rbd_mirrors()
else:
log('mon cluster not in quorum - deferring fsid provision')
def mds_relation_joined(relid=None, unit=None):
if ceph.is_quorum() and related_osds():
log('mon cluster in quorum and OSDs related'
'- providing mds client with keys')
mds_name = relation_get(attribute='mds-name', rid=relid, unit=unit)
if not unit:
unit = remote_unit()
public_addr = get_public_addr()
data = {
'fsid': leader_get('fsid'),
'mds_key': ceph.get_mds_key(name=mds_name),
'auth': config('auth-supported'),
'ceph-public-address': public_addr
}
settings = relation_get(rid=relid, unit=unit)
"""Process broker request(s)."""
if 'broker_req' in settings:
if ceph.is_leader():
rsp = process_requests(settings['broker_req'])
unit_id = unit.replace('/', '-')
unit_response_key = 'broker-rsp-' + unit_id
data[unit_response_key] = rsp
else:
log("Not leader - ignoring mds broker request", level=DEBUG)
relation_set(relation_id=relid, relation_settings=data)
else:
log('Waiting on mon quorum or min osds before provisioning mds keys')
def radosgw_relation(relid=None, unit=None):
# Install radosgw for admin tools
apt_install(packages=filter_installed_packages(['radosgw']))
if not unit:
unit = remote_unit()
# NOTE: radosgw needs some usage OSD storage, so defer key
# provision until OSD units are detected.
if ceph.is_quorum() and related_osds():
log('mon cluster in quorum and osds related '
'- providing radosgw with keys')
public_addr = get_public_addr()
data = {
'fsid': leader_get('fsid'),
'radosgw_key': ceph.get_radosgw_key(),
'auth': config('auth-supported'),
'ceph-public-address': public_addr,
}
settings = relation_get(rid=relid, unit=unit)
"""Process broker request(s)."""
if 'broker_req' in settings:
if ceph.is_leader():
rsp = process_requests(settings['broker_req'])
unit_id = unit.replace('/', '-')
unit_response_key = 'broker-rsp-' + unit_id
data[unit_response_key] = rsp
else:
log("Not leader - ignoring broker request", level=DEBUG)
relation_set(relation_id=relid, relation_settings=data)
else:
log('mon cluster not in quorum or no osds - deferring key provision')
def assess_status():
'''Assess status of current unit'''
application_version_set(get_upstream_version(VERSION_PACKAGE))
if is_unit_upgrading_set():
status_set(
"blocked", "Ready for do-release-upgrade and reboot. "
"Set complete when finished.")
return
# Check that the no-bootstrap config option is set in conjunction with
# having the bootstrap-source relation established
if not config('no-bootstrap') and is_relation_made('bootstrap-source'):
status_set(
'blocked', 'Cannot join the bootstrap-source relation when '
'no-bootstrap is False')
return
moncount = int(config('monitor-count'))
units = get_peer_units()
# not enough peers and mon_count > 1
if len(units.keys()) < moncount:
status_set(
'blocked', 'Insufficient peer units to bootstrap'
' cluster (require {})'.format(moncount))
return
# mon_count > 1, peers, but no ceph-public-address
ready = sum(1 for unit_ready in units.values() if unit_ready)
if ready < moncount:
status_set('waiting', 'Peer units detected, waiting for addresses')
return
configured_rbd_features = config('default-rbd-features')
if has_rbd_mirrors() and configured_rbd_features:
if add_rbd_mirror_features(
configured_rbd_features) != configured_rbd_features:
# The configured RBD features bitmap does not contain the features
# required for RBD Mirroring
status_set(
'blocked', 'Configuration mismatch: RBD Mirroring '
'enabled but incorrect value set for '
'``default-rbd-features``')
return
# active - bootstrapped + quorum status check
if ceph.is_bootstrapped() and ceph.is_quorum():
expected_osd_count = config('expected-osd-count') or 3
if sufficient_osds(expected_osd_count):
status_set('active', 'Unit is ready and clustered')
else:
status_set(
'waiting', 'Monitor bootstrapped but waiting for number of'
' OSDs to reach expected-osd-count ({})'.format(
expected_osd_count))
else:
# Unit should be running and clustered, but no quorum
# TODO: should this be blocked or waiting?
status_set('blocked', 'Unit not clustered (no quorum)')
def admin_relation_joined(relid=None):
if ceph.is_quorum():
name = relation_get('keyring-name')
if name is None:
name = 'admin'
log('mon cluster in quorum - providing admin client with keys')
mon_hosts = config('monitor-hosts') or ' '.join(get_mon_hosts())
data = {
'key': ceph.get_named_key(name=name, caps=ceph.admin_caps),
'fsid': leader_get('fsid'),
'auth': config('auth-supported'),
'mon_hosts': mon_hosts,
}
relation_set(relation_id=relid, relation_settings=data)
def ready_for_service():
'''
Determine whether the Ceph cluster is ready to service
storage traffic from clients
@return: boolean indicating whether the Ceph cluster is
ready for pool creation/client usage.
'''
if not ceph.is_quorum():
log('mon cluster is not in quorum', level=DEBUG)
return False
if not sufficient_osds(config('expected-osd-count') or 3):
log('insufficient osds bootstrapped', level=DEBUG)
return False
return True
def client_relation_changed(relid=None, unit=None):
"""Process broker requests from ceph client relations."""
if ceph.is_quorum():
if not unit:
unit = remote_unit()
settings = relation_get(rid=relid, unit=unit)
if 'broker_req' in settings:
if not ceph.is_leader():
log("Not leader - ignoring broker request", level=DEBUG)
else:
rsp = process_requests(settings['broker_req'])
unit_id = unit.replace('/', '-')
unit_response_key = 'broker-rsp-' + unit_id
# broker_rsp is being left for backward compatibility,
# unit_response_key superscedes it
data = {
'broker_rsp': rsp,
unit_response_key: rsp,
}
relation_set(relation_id=relid, relation_settings=data)
else:
log('mon cluster not in quorum', level=DEBUG)
def client_relation_joined(relid=None):
if ceph.is_quorum():
log('mon cluster in quorum - providing client with keys')
service_name = None
if relid is None:
units = [remote_unit()]
service_name = units[0].split('/')[0]
else:
units = related_units(relid)
if len(units) > 0:
service_name = units[0].split('/')[0]
if service_name is not None:
public_addr = get_public_addr()
data = {
'key': ceph.get_named_key(service_name),
'auth': config('auth-supported'),
'ceph-public-address': public_addr
}
if config('default-rbd-features'):
data['rbd-features'] = config('default-rbd-features')
relation_set(relation_id=relid, relation_settings=data)
else:
log('mon cluster not in quorum - deferring key provision')
def osd_relation(relid=None, unit=None):
if ceph.is_quorum():
log('mon cluster in quorum - providing fsid & keys')
public_addr = get_public_addr()
data = {
'fsid':
leader_get('fsid'),
'osd_bootstrap_key':
ceph.get_osd_bootstrap_key(),
'auth':
config('auth-supported'),
'ceph-public-address':
public_addr,
'osd_upgrade_key':
ceph.get_named_key('osd-upgrade', caps=ceph.osd_upgrade_caps),
}
unit = unit or remote_unit()
settings = relation_get(rid=relid, unit=unit)
"""Process broker request(s)."""
if 'broker_req' in settings:
if ceph.is_leader():
rsp = process_requests(settings['broker_req'])
unit_id = unit.replace('/', '-')
unit_response_key = 'broker-rsp-' + unit_id
data[unit_response_key] = rsp
else:
log("Not leader - ignoring broker request", level=DEBUG)
relation_set(relation_id=relid, relation_settings=data)
# NOTE: radosgw key provision is gated on presence of OSD
# units so ensure that any deferred hooks are processed
notify_radosgws()
notify_client()
else:
log('mon cluster not in quorum - deferring fsid provision')
