def _upgrade_volatile_running_config(rconfig):
"""
Relocate the volatile version of running config (if exists)
to the persisted version.
This procedure is required in order to support upgrades to the new
persisted version of running config.
"""
if not rconfig.config_exists():
volatile_rconfig = RunningConfig(volatile=True)
if volatile_rconfig.config_exists():
rconfig.networks = volatile_rconfig.networks
rconfig.bonds = volatile_rconfig.bonds
rconfig.save()
volatile_rconfig.delete()
def _upgrade_volatile_running_config(rconfig):
"""
Relocate the volatile version of running config (if exists)
to the persisted version.
This procedure is required in order to support upgrades to the new
persisted version of running config.
"""
if not rconfig.config_exists():
volatile_rconfig = RunningConfig(volatile=True)
if volatile_rconfig.config_exists():
rconfig.networks = volatile_rconfig.networks
rconfig.bonds = volatile_rconfig.bonds
rconfig.save()
volatile_rconfig.delete()
def upgrade():
rconfig = RunningConfig()
pconfig = PersistentConfig()
libvirt_networks = libvirtnetwork.networks()
_upgrade_volatile_running_config(rconfig)
if rconfig.config_exists() or pconfig.config_exists():
_upgrade_unified_configuration(rconfig)
_upgrade_unified_configuration(pconfig)
else:
# In case unified config has not existed before, it is assumed that
# the networks existance have been persisted in libvirt db.
vdsmnets = libvirt_vdsm_nets(libvirt_networks)
_create_unified_configuration(rconfig, NetInfo(netinfo(vdsmnets)))
_cleanup_libvirt_networks(libvirt_networks)
def upgrade():
rconfig = RunningConfig()
pconfig = PersistentConfig()
libvirt_networks = libvirtnetwork.networks()
_upgrade_volatile_running_config(rconfig)
if rconfig.config_exists() or pconfig.config_exists():
_upgrade_unified_configuration(rconfig)
_upgrade_unified_configuration(pconfig)
else:
# In case unified config has not existed before, it is assumed that
# the networks existance have been persisted in libvirt db.
vdsmnets = libvirt_vdsm_nets(libvirt_networks)
_create_unified_configuration(rconfig, NetInfo(netinfo(vdsmnets)))
_cleanup_libvirt_networks(libvirt_networks)
