def undo(self):
"""
Overrides parent method.
Roll back a failed transaction.
"""
LOG.debug('Roll back invoked for IfcfgFileOVSBuilder. Rolling back '
'device %s', self.ovs_port_name)
# Roll back OVS port
if self.remove_on_undo:
# Prevent empty file from hanging around on disk
LOG.debug('Removing ifcfg: %s', self.fnamepath)
commandlet.remove_file_as_root(self.fnamepath)
elif(self.source_ovs_port_restore is not None and
len(self.source_ovs_port_restore)):
self.commandex.send_ifcfg(self.ovs_port_name,
self.source_ovs_port_restore)
LOG.debug('Roll back completed for device %s', self.ovs_port_name)
def execute(self):
"""
Overrides parent method.
Updates the OVSPort bond ifcfg files.
"""
LOG.debug("In the execute of IfCfgBondFileBuilder")
# Read the OVSPort ifcfg file and save the contents for undo
self.fnamepath, self.source_ovs_port_restore = \
self.commandex.get_ifcfg(self.ovs_port_name)
# Create new configuration for OVSPort bond, if the bond has children
ovs_port_dict = {}
if len(self.bond_cmp_names):
ovs_port_dict[agent.IFCFG_DEVICE] = self.ovs_port_name
ovs_port_dict[agent.IFCFG_ONBOOT] = 'yes'
ovs_port_dict[agent.IFCFG_DEV_TYPE] = 'ovs'
ovs_port_dict[agent.IFCFG_TYPE] = move_ip_address.OVS_BOND
ovs_port_dict[agent.IFCFG_OVS_BRIDGE] = self.ovs_name
ovs_port_dict[agent.IFCFG_BOOTPROTO] = 'none'
ovs_port_dict[agent.IFCFG_BOND_IFACES] = '"%s"' % (
' '.join(self.bond_cmp_names))
ovs_port_dict[agent.IFCFG_OVS_OPTIONS] = '"bond_mode=balance-slb"'
ovs_port_dict[agent.IFCFG_HOTPLUG] = 'no'
# Send OVSPort ifcfg file back to disk
LOG.debug('Sending ifcfg for device: %s', ovs_port_dict)
name = self.commandex.send_ifcfg(self.ovs_port_name, ovs_port_dict)
# Store the pathname that was used in case we need to undo
self.fnamepath = name
elif self.fnamepath and len(self.fnamepath):
# The bond has no children, so the bond is being removed
LOG.debug('Removing ifcfg: %s', self.fnamepath)
commandlet.remove_file_as_root(self.fnamepath)
LOG.debug("Execute from IfCfgBondFileBuilder was a success")
