def series_upgrade_prepare():
set_unit_upgrading()
# HA services are shutdown when the unit receives series upgrade
# notifications from peers so cannot pause services.
if not is_unit_paused_set() and not is_waiting_unit_series_upgrade_set():
pause_unit()
notify_peers_of_series_upgrade()
# mark crmsh package as manually installed
# so it does not get uninstalled on release upgrade
# from xenial to bionic
apt_mark('crmsh', 'manual')
def remove_old_packages():
'''Purge any packages that need ot be removed.
:returns: bool Whether packages were removed.
'''
installed_packages = filter_missing_packages(determine_purge_packages())
if installed_packages:
apt_mark(filter_missing_packages(determine_held_packages()), 'auto')
apt_purge(installed_packages, fatal=True)
apt_autoremove(purge=True, fatal=True)
return bool(installed_packages)
def remove_old_packages():
'''Purge any packages that need ot be removed.
:returns: bool Whether packages were removed.
'''
installed_packages = filter_missing_packages(determine_purge_packages())
if installed_packages:
apt_mark(filter_missing_packages(determine_held_packages()),
'auto')
apt_purge(installed_packages, fatal=True)
apt_autoremove(purge=True, fatal=True)
return bool(installed_packages)