def config_changed():
utils.juju_log('INFO', 'Begin config-changed hook.')
utils.juju_log('INFO', 'Monitor hosts are ' + repr(get_mon_hosts()))
fsid = utils.config_get('fsid')
if fsid == '':
utils.juju_log('CRITICAL', 'No fsid supplied, cannot proceed.')
sys.exit(1)
monitor_secret = utils.config_get('monitor-secret')
if monitor_secret == '':
utils.juju_log('CRITICAL',
'No monitor-secret supplied, cannot proceed.')
sys.exit(1)
emit_cephconf()
for dev in utils.config_get('osd-devices').split(' '):
osdize(dev)
# Support use of single node ceph
if (not ceph.is_bootstrapped() and
int(utils.config_get('monitor-count')) == 1):
bootstrap_monitor_cluster()
ceph.wait_for_bootstrap()
if ceph.is_bootstrapped():
ceph.rescan_osd_devices()
utils.juju_log('INFO', 'End config-changed hook.')
def check_for_upgrade():
if not ceph.is_bootstrapped():
log("Ceph is not bootstrapped, skipping upgrade checks.")
return
release_info = host.lsb_release()
if not release_info['DISTRIB_CODENAME'] == 'trusty':
log("Invalid upgrade path from {}. Only trusty is currently "
"supported".format(release_info['DISTRIB_CODENAME']))
return
c = hookenv.config()
old_version = ceph.resolve_ceph_version(c.previous('source') or 'distro')
log('old_version: {}'.format(old_version))
# Strip all whitespace
new_version = ceph.resolve_ceph_version(hookenv.config('source'))
log('new_version: {}'.format(new_version))
if (old_version in ceph.UPGRADE_PATHS
and new_version == ceph.UPGRADE_PATHS[old_version]):
log("{} to {} is a valid upgrade path. Proceeding.".format(
old_version, new_version))
ceph.roll_monitor_cluster(new_version=new_version, upgrade_key='admin')
else:
# Log a helpful error message
log("Invalid upgrade path from {} to {}. "
"Valid paths are: {}".format(old_version, new_version,
ceph.pretty_print_upgrade_paths()))
def assess_status():
'''Assess status of current unit'''
application_version_set(get_upstream_version(VERSION_PACKAGE))
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.itervalues() 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 start():
# In case we're being redeployed to the same machines, try
# to make sure everything is running as soon as possible.
if ceph.systemd():
service_restart('ceph-mon')
else:
service_restart('ceph-mon-all')
if ceph.is_bootstrapped():
ceph.start_osds(get_devices())
def start():
# In case we're being redeployed to the same machines, try
# to make sure everything is running as soon as possible.
if ceph.systemd():
service_restart('ceph-mon')
else:
service_restart('ceph-mon-all')
if ceph.is_bootstrapped():
ceph.start_osds(get_devices())
def config_changed():
log('Begin config-changed hook.')
log('Monitor hosts are ' + repr(get_mon_hosts()))
# Pre-flight checks
if not config('fsid'):
log('No fsid supplied, cannot proceed.', level=ERROR)
sys.exit(1)
if not config('monitor-secret'):
log('No monitor-secret supplied, cannot proceed.', level=ERROR)
sys.exit(1)
if config('osd-format') not in ceph.DISK_FORMATS:
log('Invalid OSD disk format configuration specified', level=ERROR)
sys.exit(1)
emit_cephconf()
e_mountpoint = config('ephemeral-unmount')
if e_mountpoint and ceph.filesystem_mounted(e_mountpoint):
umount(e_mountpoint)
osd_journal = config('osd-journal')
if (osd_journal and not os.path.exists(JOURNAL_ZAPPED)
and os.path.exists(osd_journal)):
ceph.zap_disk(osd_journal)
with open(JOURNAL_ZAPPED, 'w') as zapped:
zapped.write('DONE')
# Support use of single node ceph
if (not ceph.is_bootstrapped() and int(config('monitor-count')) == 1):
ceph.bootstrap_monitor_cluster(config('monitor-secret'))
ceph.wait_for_bootstrap()
if ceph.is_bootstrapped():
for dev in get_devices():
ceph.osdize(dev, config('osd-format'), config('osd-journal'),
reformat_osd())
ceph.start_osds(get_devices())
log('End config-changed hook.')
def config_changed():
if config('prefer-ipv6'):
assert_charm_supports_ipv6()
# Check if an upgrade was requested
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 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)
else:
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')
sys.exit(0)
emit_cephconf()
# Support use of single node ceph
if not ceph.is_bootstrapped() and int(config('monitor-count')) == 1:
status_set('maintenance', 'Bootstrapping single Ceph MON')
ceph.bootstrap_monitor_cluster(config('monitor-secret'))
ceph.wait_for_bootstrap()
install_apparmor_profile()
def config_changed():
if config('prefer-ipv6'):
assert_charm_supports_ipv6()
log('Monitor hosts are ' + repr(get_mon_hosts()))
# Pre-flight checks
if not config('fsid'):
log('No fsid supplied, cannot proceed.', level=ERROR)
sys.exit(1)
if not config('monitor-secret'):
log('No monitor-secret supplied, cannot proceed.', level=ERROR)
sys.exit(1)
if config('osd-format') not in ceph.DISK_FORMATS:
log('Invalid OSD disk format configuration specified', level=ERROR)
sys.exit(1)
sysctl_dict = config('sysctl')
if sysctl_dict:
create_sysctl(sysctl_dict, '/etc/sysctl.d/50-ceph-charm.conf')
emit_cephconf()
e_mountpoint = config('ephemeral-unmount')
if e_mountpoint and ceph.filesystem_mounted(e_mountpoint):
umount(e_mountpoint)
osd_journal = get_osd_journal()
if (osd_journal and not os.path.exists(JOURNAL_ZAPPED)
and os.path.exists(osd_journal)):
ceph.zap_disk(osd_journal)
with open(JOURNAL_ZAPPED, 'w') as zapped:
zapped.write('DONE')
# Support use of single node ceph
if (not ceph.is_bootstrapped() and int(config('monitor-count')) == 1):
status_set('maintenance', 'Bootstrapping single Ceph MON')
ceph.bootstrap_monitor_cluster(config('monitor-secret'))
ceph.wait_for_bootstrap()
storage_changed()
if relations_of_type('nrpe-external-master'):
update_nrpe_config()
def config_changed():
if config('prefer-ipv6'):
assert_charm_supports_ipv6()
log('Monitor hosts are ' + repr(get_mon_hosts()))
# Pre-flight checks
if not config('fsid'):
log('No fsid supplied, cannot proceed.', level=ERROR)
sys.exit(1)
if not config('monitor-secret'):
log('No monitor-secret supplied, cannot proceed.', level=ERROR)
sys.exit(1)
if config('osd-format') not in ceph.DISK_FORMATS:
log('Invalid OSD disk format configuration specified', level=ERROR)
sys.exit(1)
sysctl_dict = config('sysctl')
if sysctl_dict:
create_sysctl(sysctl_dict, '/etc/sysctl.d/50-ceph-charm.conf')
emit_cephconf()
e_mountpoint = config('ephemeral-unmount')
if e_mountpoint and ceph.filesystem_mounted(e_mountpoint):
umount(e_mountpoint)
osd_journal = get_osd_journal()
if (osd_journal and not os.path.exists(JOURNAL_ZAPPED) and
os.path.exists(osd_journal)):
ceph.zap_disk(osd_journal)
with open(JOURNAL_ZAPPED, 'w') as zapped:
zapped.write('DONE')
# Support use of single node ceph
if (not ceph.is_bootstrapped() and int(config('monitor-count')) == 1):
status_set('maintenance', 'Bootstrapping single Ceph MON')
ceph.bootstrap_monitor_cluster(config('monitor-secret'))
ceph.wait_for_bootstrap()
storage_changed()
if relations_of_type('nrpe-external-master'):
update_nrpe_config()
def check_for_upgrade():
if not ceph.is_bootstrapped():
log("Ceph is not bootstrapped, skipping upgrade checks.")
return
release_info = host.lsb_release()
if not release_info['DISTRIB_CODENAME'] == 'trusty':
log("Invalid upgrade path from {}. Only trusty is currently "
"supported".format(release_info['DISTRIB_CODENAME']))
return
c = hookenv.config()
old_version = ceph.resolve_ceph_version(c.previous('source') or 'distro')
log('old_version: {}'.format(old_version))
new_version = ceph.resolve_ceph_version(
hookenv.config('source') or 'distro')
log('new_version: {}'.format(new_version))
# May be in a previous upgrade that was failed if the directories
# still need an ownership update. Check this condition.
resuming_upgrade = ceph.dirs_need_ownership_update('osd')
if old_version == new_version and not resuming_upgrade:
log("No new ceph version detected, skipping upgrade.", DEBUG)
return
if (ceph.UPGRADE_PATHS.get(old_version) == new_version) or\
resuming_upgrade:
if old_version == new_version:
log('Attempting to resume possibly failed upgrade.', INFO)
else:
log("{} to {} is a valid upgrade path. Proceeding.".format(
old_version, new_version))
emit_cephconf(upgrading=True)
ceph.roll_osd_cluster(new_version=new_version,
upgrade_key='osd-upgrade')
emit_cephconf(upgrading=False)
else:
# Log a helpful error message
log("Invalid upgrade path from {} to {}. "
"Valid paths are: {}".format(old_version, new_version,
ceph.pretty_print_upgrade_paths()))
def prepare_disks_and_activate():
osd_journal = get_journal_devices()
check_overlap(osd_journal, set(get_devices()))
log("got journal devs: {}".format(osd_journal), level=DEBUG)
already_zapped = read_zapped_journals()
non_zapped = osd_journal - already_zapped
for journ in non_zapped:
ceph.maybe_zap_journal(journ)
write_zapped_journals(osd_journal)
if ceph.is_bootstrapped():
log('ceph bootstrapped, rescanning disks')
emit_cephconf()
for dev in get_devices():
ceph.osdize(dev, config('osd-format'),
osd_journal, config('osd-reformat'),
config('ignore-device-errors'),
config('osd-encrypt'))
ceph.start_osds(get_devices())
def prepare_disks_and_activate():
osd_journal = get_journal_devices()
check_overlap(osd_journal, set(get_devices()))
log("got journal devs: {}".format(osd_journal), level=DEBUG)
already_zapped = read_zapped_journals()
non_zapped = osd_journal - already_zapped
for journ in non_zapped:
ceph.maybe_zap_journal(journ)
write_zapped_journals(osd_journal)
if ceph.is_bootstrapped():
log('ceph bootstrapped, rescanning disks')
emit_cephconf()
for dev in get_devices():
ceph.osdize(dev, config('osd-format'), osd_journal,
config('osd-reformat'), config('ignore-device-errors'),
config('osd-encrypt'))
# Make it fast!
if config('autotune'):
ceph.tune_dev(dev)
ceph.start_osds(get_devices())
def assess_status():
'''Assess status of current unit'''
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.itervalues() 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 test_is_bootstrapped(self):
self.os.path.exists.return_value = True
self.assertEqual(ceph.is_bootstrapped(), True)
self.os.path.exists.return_value = False
self.assertEqual(ceph.is_bootstrapped(), False)
def storage_changed():
if ceph.is_bootstrapped():
for dev in get_devices():
ceph.osdize(dev, config('osd-format'), get_osd_journal(),
reformat_osd(), config('ignore-device-errors'))
ceph.start_osds(get_devices())
def storage_changed():
if ceph.is_bootstrapped():
for dev in get_devices():
ceph.osdize(dev, config('osd-format'), get_osd_journal(),
reformat_osd(), config('ignore-device-errors'))
ceph.start_osds(get_devices())
