def upgrade_charm():
install()
packages_removed = remove_old_packages()
if packages_removed and not is_unit_paused_set():
log("Package purge detected, restarting services", "INFO")
for s in services():
service_restart(s)
update_nrpe_config()
any_changed()
for rid in relation_ids('cluster'):
cluster_joined(relation_id=rid)
# NOTE: (thedac) Currently there is no method to independently check if
# ceilometer-upgrade has been run short of manual DB queries.
# On upgrade-charm the leader node must assume it has already been run
# and assert so with leader-set. If this is not done, then the upgrade from
# the previous version of the charm will leave ceilometer in a blocked
# state.
if is_leader() and relation_ids("metric-service"):
if not leader_get("ceilometer_upgrade_run"):
log(
"Assuming ceilometer-upgrade has been run. If this is not the "
"case, please run the ceilometer-upgrade action on the leader "
"node.",
level=WARNING)
leader_set(ceilometer_upgrade_run=True)
def update_nrpe_config():
# python-dbus is used by check_upstart_job
apt_install('python-dbus')
hostname = nrpe.get_nagios_hostname()
current_unit = nrpe.get_nagios_unit_name()
nrpe_setup = nrpe.NRPE(hostname=hostname)
nrpe.add_init_service_checks(nrpe_setup, services(), current_unit)
nrpe_setup.write()
def update_nrpe_config():
# python-dbus is used by check_upstart_job
apt_install('python-dbus')
hostname = nrpe.get_nagios_hostname()
current_unit = nrpe.get_nagios_unit_name()
nrpe_setup = nrpe.NRPE(hostname=hostname)
nrpe.add_init_service_checks(nrpe_setup, services(), current_unit)
nrpe_setup.write()
def upgrade_charm():
apt_install(
filter_installed_packages(get_packages()),
fatal=True)
packages_removed = remove_old_packages()
if packages_removed and not is_unit_paused_set():
log("Package purge detected, restarting services", "INFO")
for s in services():
service_restart(s)
# NOTE(jamespage): Ensure any changes to nova presented data are made
# during charm upgrades.
for rid in relation_ids('nova-ceilometer'):
nova_ceilometer_joined(rid)