def revert_and_resume(vm_id, vm_identity):
try:
sys_snapshot = current.db.snapshot(vm_id=vm_id, type=SNAPSHOT_SYSTEM)
if sys_snapshot:
revert({'vm_id': vm_id, 'snapshot_id': sys_snapshot.id})
logger.debug('Snapshot of %s reverted from %s successfully' %
(vm_identity, sys_snapshot.snapshot_name))
delete_snapshot({'vm_id': vm_id, 'snapshot_id': sys_snapshot.id})
logger.debug('Snapshot %s deleted successfully' %
(sys_snapshot.snapshot_name))
event_data = current.db.vm_event_log(vm_id=vm_id,
new_value='System Shutdown')
# event_data = current.db((current.db.vm_event_log.vm_id == vm_id) & (current.db.vm_event_log.new_value == 'System Shutdown')).select(current.db.vm_event_log.ALL)
print event_data
if event_data:
start({'vm_id': vm_id})
if int(event_data.old_value) == current.VM_STATUS_SUSPENDED:
suspend({'vm_id': vm_id})
del current.db.vm_event_log[event_data.id]
current.db.commit()
except:
log_exception()
pass
def respawn_dangling_vms(host_id):
vms = current.db(current.db.vm_data.host_id == host_id).select(current.db.vm_data.ALL)
vm_image_location = get_constant('vmfiles_path') + get_constant('vms') + '/%s/%s.qcow2'
for vm_data in vms:
logger.debug('Re-spawning VM ' + vm_data.vm_identity)
#Create a copy of existing image and rename it with '_old' suffix
storage_type = config.get("GENERAL_CONF","storage_type")
copy_command = 'ndmpcopy ' if storage_type == current.STORAGE_NETAPP_NFS else 'cp '
ds_image_location = vm_data.datastore_id.path + get_constant('vms') + '/%s/%s.qcow2'
command_to_execute = copy_command + ds_image_location%(vm_data.vm_identity, vm_data.vm_identity) + \
' ' + ds_image_location%(vm_data.vm_identity, vm_data.vm_identity+'_old')
execute_remote_cmd(vm_data.datastore_id.ds_ip,
vm_data.datastore_id.username,
command_to_execute,
vm_data.datastore_id.password)
logger.debug('Backup copy of the VM image cretaed successfully.')
vm_properties = {}
vm_properties['host'] = find_new_host(vm_data.RAM, vm_data.vCPU)
vm_properties['ram'] = vm_data.RAM
vm_properties['vcpus'] = vm_data.vCPU
vm_properties['mac_addr'] = vm_data.private_ip.mac_addr
vm_properties['vnc_port'] = vm_data.vnc_port
vm_properties['template'] = current.db.template[vm_data.template_id]
vm_properties['vlan_name'] = current.db(current.db.private_ip_pool.private_ip == vm_data.private_ip).select()[0].vlan.name
# Re-spawn the VM on new host
launch_vm_on_host(vm_data, vm_image_location%(vm_data.vm_identity, vm_data.vm_identity), vm_properties)
vm_data.update_record(host_id = vm_properties['host'])
#Find the most recent snapshot of the given VM; revert to the snapshot
recent_snapshot = current.db(current.db.snapshot.vm_id == vm_data.id).select(orderby = ~current.db.snapshot.timestamp)[0]
logger.debug('Reverting VM %s to snapshot %s' %(vm_data.vm_identity, recent_snapshot.snapshot_name))
revert(dict(vm_id = vm_data.id, snapshot_id = recent_snapshot.id))
def revert_and_resume(vm_id, vm_identity):
try:
sys_snapshot = current.db.snapshot(vm_id=vm_id, type=SNAPSHOT_SYSTEM)
if sys_snapshot:
revert({'vm_id' : vm_id, 'snapshot_id' : sys_snapshot.id})
logger.debug('Snapshot of %s reverted from %s successfully' %(vm_identity, sys_snapshot.snapshot_name))
delete_snapshot({'vm_id':vm_id, 'snapshot_id':sys_snapshot.id})
logger.debug('Snapshot %s deleted successfully' %(sys_snapshot.snapshot_name))
event_data = current.db.vm_event_log(vm_id = vm_id, new_value = 'System Shutdown')
# event_data = current.db((current.db.vm_event_log.vm_id == vm_id) & (current.db.vm_event_log.new_value == 'System Shutdown')).select(current.db.vm_event_log.ALL)
print event_data
if event_data:
start({'vm_id':vm_id})
if int(event_data.old_value) == current.VM_STATUS_SUSPENDED:
suspend({'vm_id':vm_id})
del current.db.vm_event_log[event_data.id]
current.db.commit()
except:
log_exception()
pass
