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 test_roll_osd_cluster_second(self,
wait_on_previous_node,
get_upgrade_position,
lock_and_roll,
status_set,
socket,
get_osd_tree):
wait_on_previous_node.return_value = None
socket.gethostname.return_value = "ip-192-168-1-3"
get_osd_tree.return_value = [
CrushLocation(
name="ip-192-168-1-2",
identifier='a',
host='host-a',
rack='rack-a',
row='row-a',
datacenter='dc-1',
chassis='chassis-a',
root='ceph'),
CrushLocation(
name="ip-192-168-1-3",
identifier='a',
host='host-b',
rack='rack-a',
row='row-a',
datacenter='dc-1',
chassis='chassis-a',
root='ceph')
]
get_upgrade_position.return_value = 1
ceph.roll_osd_cluster(new_version='0.94.1',
upgrade_key='osd-upgrade')
status_set.assert_called_with(
'blocked',
'Waiting on ip-192-168-1-2 to finish upgrading')
lock_and_roll.assert_called_with(my_name='ip-192-168-1-3',
service='osd',
upgrade_key='osd-upgrade',
version='0.94.1')
def test_roll_osd_cluster_first(self,
get_upgrade_position,
lock_and_roll,
log,
get_osd_tree,
socket):
socket.gethostname.return_value = "ip-192-168-1-2"
get_osd_tree.return_value = ""
get_upgrade_position.return_value = 0
ceph.roll_osd_cluster(new_version='0.94.1',
upgrade_key='osd-upgrade')
log.assert_has_calls(
[
call('roll_osd_cluster called with 0.94.1'),
call('osd_sorted_list: []'),
call('upgrade position: 0')
]
)
lock_and_roll.assert_called_with(my_name="ip-192-168-1-2",
version="0.94.1",
upgrade_key='osd-upgrade',
service='osd')