def config_changed():
# Get the cfg object so we can see if the no-bootstrap value has changed
# and triggered this hook invocation
cfg = config()
if config('prefer-ipv6'):
assert_charm_supports_ipv6()
check_for_upgrade()
log('Monitor hosts are ' + repr(get_mon_hosts()))
sysctl_dict = config('sysctl')
if sysctl_dict:
create_sysctl(sysctl_dict, '/etc/sysctl.d/50-ceph-charm.conf')
if relations_of_type('nrpe-external-master'):
update_nrpe_config()
if is_leader():
if not config('no-bootstrap'):
if not leader_get('fsid') or not leader_get('monitor-secret'):
if config('fsid'):
fsid = config('fsid')
else:
fsid = "{}".format(uuid.uuid1())
if config('monitor-secret'):
mon_secret = config('monitor-secret')
else:
mon_secret = "{}".format(ceph.generate_monitor_secret())
status_set('maintenance', 'Creating FSID and Monitor Secret')
opts = {
'fsid': fsid,
'monitor-secret': mon_secret,
}
log("Settings for the cluster are: {}".format(opts))
leader_set(opts)
elif cfg.changed('no-bootstrap') and \
is_relation_made('bootstrap-source'):
# User changed the no-bootstrap config option, we're the leader,
# and the bootstrap-source relation has been made. The charm should
# be in a blocked state indicating that the no-bootstrap option
# must be set. This block is invoked when the user is trying to
# get out of that scenario by enabling no-bootstrap.
bootstrap_source_relation_changed()
elif leader_get('fsid') is None or leader_get('monitor-secret') is None:
log('still waiting for leader to setup keys')
status_set('waiting', 'Waiting for leader to setup keys')
sys.exit(0)
emit_cephconf()
# Support use of single node ceph
if (not ceph.is_bootstrapped() and int(config('monitor-count')) == 1
and is_leader()):
status_set('maintenance', 'Bootstrapping single Ceph MON')
ceph.bootstrap_monitor_cluster(leader_get('monitor-secret'))
ceph.wait_for_bootstrap()
if cmp_pkgrevno('ceph', '12.0.0') >= 0:
status_set('maintenance', 'Bootstrapping single Ceph MGR')
ceph.bootstrap_manager()
def mon_relation():
if leader_get('monitor-secret') is None:
log('still waiting for leader to setup keys')
status_set('waiting', 'Waiting for leader to setup keys')
return
emit_cephconf()
moncount = int(config('monitor-count'))
if len(get_mon_hosts()) >= moncount:
if not ceph.is_bootstrapped():
status_set('maintenance', 'Bootstrapping MON cluster')
# the following call raises an exception
# if it can't add the keyring
try:
ceph.bootstrap_monitor_cluster(leader_get('monitor-secret'))
except FileNotFoundError as e: # NOQA -- PEP8 is still PY2
log("Couldn't bootstrap the monitor yet: {}".format(str(e)))
exit(0)
ceph.wait_for_bootstrap()
ceph.wait_for_quorum()
if cmp_pkgrevno('ceph', '12.0.0') >= 0:
status_set('maintenance', 'Bootstrapping Ceph MGR')
ceph.bootstrap_manager()
# If we can and want to
if is_leader() and config('customize-failure-domain'):
# But only if the environment supports it
if os.environ.get('JUJU_AVAILABILITY_ZONE'):
cmds = [
"ceph osd getcrushmap -o /tmp/crush.map",
"crushtool -d /tmp/crush.map| "
"sed 's/step chooseleaf firstn 0 type host/step "
"chooseleaf firstn 0 type rack/' > "
"/tmp/crush.decompiled",
"crushtool -c /tmp/crush.decompiled -o /tmp/crush.map",
"crushtool -i /tmp/crush.map --test",
"ceph osd setcrushmap -i /tmp/crush.map"
]
for cmd in cmds:
try:
subprocess.check_call(cmd, shell=True)
except subprocess.CalledProcessError as e:
log("Failed to modify crush map:", level='error')
log("Cmd: {}".format(cmd), level='error')
log("Error: {}".format(e.output), level='error')
break
else:
log("Your Juju environment doesn't"
"have support for Availability Zones")
notify_osds()
notify_radosgws()
notify_client()
else:
log('Not enough mons ({}), punting.'.format(len(get_mon_hosts())))
def config_changed():
# Get the cfg object so we can see if the no-bootstrap value has changed
# and triggered this hook invocation
cfg = config()
if config('prefer-ipv6'):
assert_charm_supports_ipv6()
check_for_upgrade()
log('Monitor hosts are ' + repr(get_mon_hosts()))
sysctl_dict = config('sysctl')
if sysctl_dict:
create_sysctl(sysctl_dict, '/etc/sysctl.d/50-ceph-charm.conf')
if relations_of_type('nrpe-external-master'):
update_nrpe_config()
if is_leader():
if not config('no-bootstrap'):
if not leader_get('fsid') or not leader_get('monitor-secret'):
fsid = "{}".format(uuid.uuid1())
if config('monitor-secret'):
mon_secret = config('monitor-secret')
else:
mon_secret = "{}".format(ceph.generate_monitor_secret())
opts = {
'fsid': fsid,
'monitor-secret': mon_secret,
}
try:
leader_set(opts)
status_set('maintenance',
'Created FSID and Monitor Secret')
log("Settings for the cluster are: {}".format(opts))
except Exception as e:
# we're probably not the leader an exception occured
# let's log it anyway.
log("leader_set failed: {}".format(str(e)))
elif (cfg.changed('no-bootstrap')
and is_relation_made('bootstrap-source')):
# User changed the no-bootstrap config option, we're the leader,
# and the bootstrap-source relation has been made. The charm should
# be in a blocked state indicating that the no-bootstrap option
# must be set. This block is invoked when the user is trying to
# get out of that scenario by enabling no-bootstrap.
bootstrap_source_relation_changed()
# unconditionally verify that the fsid and monitor-secret are set now
# otherwise we exit until a leader does this.
if leader_get('fsid') is None or leader_get('monitor-secret') is None:
log('still waiting for leader to setup keys')
status_set('waiting', 'Waiting for leader to setup keys')
return
emit_cephconf()
# Support use of single node ceph
if (not ceph.is_bootstrapped() and int(config('monitor-count')) == 1
and is_leader()):
status_set('maintenance', 'Bootstrapping single Ceph MON')
# the following call raises an exception if it can't add the keyring
try:
ceph.bootstrap_monitor_cluster(leader_get('monitor-secret'))
except FileNotFoundError as e: # NOQA -- PEP8 is still PY2
log("Couldn't bootstrap the monitor yet: {}".format(str(e)))
return
ceph.wait_for_bootstrap()
if cmp_pkgrevno('ceph', '12.0.0') >= 0:
status_set('maintenance', 'Bootstrapping single Ceph MGR')
ceph.bootstrap_manager()
# Update client relations
notify_client()