def exit_if_same_taskId(taskId):
global backup_logger
taskIdentity = TaskIdentity()
last_taskId = taskIdentity.stored_identity()
if(taskId == last_taskId):
backup_logger.log("TaskId is same as last, so skip, current:" + str(taskId) + "== last:" + str(last_taskId), True)
sys.exit(0)
def exit_if_same_taskId(taskId):
global backup_logger, hutil, para_parser
trans_report_msg = None
taskIdentity = TaskIdentity()
last_taskId = taskIdentity.stored_identity()
if (taskId == last_taskId):
backup_logger.log(
"TaskId is same as last, so skip with Processed Status, current:" +
str(taskId) + "== last:" + str(last_taskId), True)
status = CommonVariables.status_success
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.
SuccessAlreadyProcessedInput)
status_code = CommonVariables.SuccessAlreadyProcessedInput
message = 'TaskId AlreadyProcessed nothing to do'
try:
if (para_parser is not None):
blob_report_msg, file_report_msg = hutil.do_status_report(operation='Enable',status=status,\
status_code=str(status_code),\
message=message,\
taskId=taskId,\
commandStartTimeUTCTicks=para_parser.commandStartTimeUTCTicks,\
snapshot_info=None)
status_report_to_file(file_report_msg)
except Exception as e:
err_msg = 'cannot write status to the status file, Exception %s, stack trace: %s' % (
str(e), traceback.format_exc())
backup_logger.log(err_msg, True, 'Warning')
sys.exit(0)
def exit_if_same_taskId(taskId):
global backup_logger
taskIdentity = TaskIdentity()
last_taskId = taskIdentity.stored_identity()
if(taskId == last_taskId):
backup_logger.log("TaskId is same as last, so skip, current:" + str(taskId) + "== last:" + str(last_taskId), True)
sys.exit(0)
def enable():
global backup_logger,hutil,error_msg,para_parser
hutil.do_parse_context('Enable')
try:
backup_logger.log('starting to enable', True)
# handle the restoring scenario.
mi = MachineIdentity()
stored_identity = mi.stored_identity()
if(stored_identity is None):
mi.save_identity()
else:
current_identity = mi.current_identity()
if(current_identity != stored_identity):
current_seq_no = -1
backup_logger.log("machine identity not same, set current_seq_no to " + str(current_seq_no) + " " + str(stored_identity) + " " + str(current_identity), True)
hutil.set_last_seq(current_seq_no)
mi.save_identity()
hutil.exit_if_same_seq()
hutil.save_seq()
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('protectedSettings')
public_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings)
if(para_parser.commandStartTimeUTCTicks is not None and para_parser.commandStartTimeUTCTicks != ""):
utcTicksLong = long(para_parser.commandStartTimeUTCTicks)
backup_logger.log('utcTicks in long format' + str(utcTicksLong), True)
commandStartTime = convert_time(utcTicksLong)
utcNow = datetime.datetime.utcnow()
backup_logger.log('command start time is ' + str(commandStartTime) + " and utcNow is " + str(utcNow))
timespan = utcNow - commandStartTime
THIRTY_MINUTES = 30 * 60 # in seconds
# handle the machine identity for the restoration scenario.
total_span_in_seconds = timedelta_total_seconds(timespan)
backup_logger.log('timespan is ' + str(timespan) + ' ' + str(total_span_in_seconds))
if(abs(total_span_in_seconds) > THIRTY_MINUTES):
error_msg = 'the call time stamp is out of date. so skip it.'
exit_with_commit_log(error_msg, para_parser)
if(para_parser.taskId is not None and para_parser.taskId != ""):
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
temp_status= 'transitioning'
temp_result=CommonVariables.success
temp_msg='Transitioning state in enable'
status_report(temp_status,temp_result,temp_msg)
hutil.do_status_report('Enable', temp_status, str(temp_result), temp_msg)
start_daemon();
except Exception as e:
errMsg = 'Failed to call the daemon with error: %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(errMsg, False, 'Error')
global_error_result = e
def enable():
global backup_logger, hutil, error_msg, para_parser, patch_class_name, orig_distro, configSeqNo
try:
hutil.do_parse_context('Enable', configSeqNo)
backup_logger.log('starting enable', True)
backup_logger.log(
"patch_class_name: " + str(patch_class_name) +
" and orig_distro: " + str(orig_distro), True)
hutil.exit_if_same_seq()
hutil.save_seq()
protected_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('protectedSettings', {})
public_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings,
backup_logger)
if (para_parser.taskId is not None and para_parser.taskId != ""):
backup_logger.log('taskId: ' + str(para_parser.taskId), True)
randomSleepTime = random.randint(500, 5000)
backup_logger.log(
'Sleeping for milliseconds: ' + str(randomSleepTime), True)
time.sleep(randomSleepTime / 1000)
exit_if_same_taskId(para_parser.taskId)
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
temp_status = 'success'
temp_result = CommonVariables.ExtensionTempTerminalState
temp_msg = 'Transitioning state in extension'
blob_report_msg, file_report_msg = get_status_to_report(
temp_status, temp_result, temp_msg, None)
status_report_to_file(file_report_msg)
start_daemon()
sys.exit(0)
except Exception as e:
hutil.update_settings_file()
errMsg = 'Failed to call the daemon with error: %s, stack trace: %s' % (
str(e), traceback.format_exc())
global_error_result = e
temp_status = 'error'
temp_result = CommonVariables.error
hutil.SetExtErrorCode(
ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error)
error_msg = 'Failed to call the daemon'
exit_with_commit_log(temp_status, temp_result, error_msg, para_parser)
def exit_if_same_taskId(taskId):
global backup_logger, hutil, para_parser
trans_report_msg = None
taskIdentity = TaskIdentity()
last_taskId = taskIdentity.stored_identity()
if (taskId == last_taskId):
backup_logger.log(
"TaskId is same as last, so skip with Processed Status, current:" +
str(taskId) + "== last:" + str(last_taskId), True)
status = CommonVariables.status_success
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.
SuccessAlreadyProcessedInput)
status_code = CommonVariables.SuccessAlreadyProcessedInput
message = 'TaskId AlreadyProcessed nothing to do'
backup_logger.log(message, True)
sys.exit(0)
def exit_if_same_taskId(taskId):
global backup_logger,hutil,para_parser
trans_report_msg = None
taskIdentity = TaskIdentity()
last_taskId = taskIdentity.stored_identity()
if(taskId == last_taskId):
backup_logger.log("TaskId is same as last, so skip with Processed Status, current:" + str(taskId) + "== last:" + str(last_taskId), True)
status=CommonVariables.status_success
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.SuccessAlreadyProcessedInput)
status_code=CommonVariables.SuccessAlreadyProcessedInput
message='TaskId AlreadyProcessed nothing to do'
try:
if(para_parser is not None):
blob_report_msg, file_report_msg = hutil.do_status_report(operation='Enable',status=status,\
status_code=str(status_code),\
message=message,\
taskId=taskId,\
commandStartTimeUTCTicks=para_parser.commandStartTimeUTCTicks,\
snapshot_info=None)
status_report_to_file(file_report_msg)
except Exception as e:
err_msg='cannot write status to the status file, Exception %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(err_msg, True, 'Warning')
sys.exit(0)
def enable():
#this is using the most recent file timestamp.
hutil.do_parse_context('Enable')
freezer = FsFreezer(patching= MyPatching, logger = backup_logger)
unfreeze_result = None
snapshot_result = None
freeze_result = None
global_error_result = None
para_parser = None
run_result = 1
error_msg = ''
run_status = None
# precheck
freeze_called = False
try:
# we need to freeze the file system first
backup_logger.log('starting to enable', True)
# handle the restoring scenario.
mi = MachineIdentity()
stored_identity = mi.stored_identity()
if(stored_identity is None):
mi.save_identity()
else:
current_identity = mi.current_identity()
if(current_identity != stored_identity):
current_seq_no = -1
backup_logger.log("machine identity not same, set current_seq_no to " + str(current_seq_no) + " " + str(stored_identity) + " " + str(current_identity), True)
hutil.set_last_seq(current_seq_no)
mi.save_identity()
hutil.exit_if_same_seq()
hutil.save_seq()
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('protectedSettings')
public_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings)
if(para_parser.commandStartTimeUTCTicks is not None and para_parser.commandStartTimeUTCTicks != ""):
utcTicksLong = long(para_parser.commandStartTimeUTCTicks)
commandStartTime = convert_time(utcTicksLong)
utcNow = datetime.datetime.utcnow()
backup_logger.log('command start time is ' + str(commandStartTime) + " and utcNow is " + str(utcNow))
timespan = utcNow - commandStartTime
THIRTY_MINUTES = 30 * 60 # in seconds
# handle the machine identity for the restoration scenario.
total_span_in_seconds = timedelta_total_seconds(timespan)
backup_logger.log('timespan is ' + str(timespan) + ' ' + str(total_span_in_seconds))
if(abs(total_span_in_seconds) > THIRTY_MINUTES):
error_msg = 'the call time stamp is out of date. so skip it.'
exit_with_commit_log(error_msg, para_parser)
if(para_parser.taskId is not None and para_parser.taskId != ""):
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
commandToExecute = para_parser.commandToExecute
#validate all the required parameter here
if(commandToExecute.lower() == CommonVariables.iaas_install_command):
backup_logger.log('install succeed.',True)
run_status = 'success'
error_msg = 'Install Succeeded'
run_result = CommonVariables.success
backup_logger.log(error_msg)
elif(commandToExecute.lower() == CommonVariables.iaas_vmbackup_command):
if(para_parser.backup_metadata is None or para_parser.public_config_obj is None or para_parser.private_config_obj is None):
run_result = CommonVariables.error_parameter
run_status = 'error'
error_msg = 'required field empty or not correct'
backup_logger.log(error_msg, False, 'Error')
else:
backup_logger.log('commandToExecute is ' + commandToExecute, True)
"""
make sure the log is not doing when the file system is freezed.
"""
backup_logger.log('doing freeze now...', True)
freeze_called = True
freeze_result = freezer.freezeall()
backup_logger.log('freeze result ' + str(freeze_result))
# check whether we freeze succeed first?
if(freeze_result is not None and len(freeze_result.errors) > 0):
run_result = CommonVariables.error
run_status = 'error'
error_msg = 'Enable failed with error: ' + str(freeze_result)
backup_logger.log(error_msg, False, 'Warning')
else:
backup_logger.log('doing snapshot now...')
snap_shotter = Snapshotter(backup_logger)
snapshot_result = snap_shotter.snapshotall(para_parser)
backup_logger.log('snapshotall ends...')
if(snapshot_result is not None and len(snapshot_result.errors) > 0):
error_msg = 'snapshot result: ' + str(snapshot_result)
run_result = CommonVariables.error
run_status = 'error'
backup_logger.log(error_msg, False, 'Error')
else:
run_result = CommonVariables.success
run_status = 'success'
error_msg = 'Enable Succeeded'
backup_logger.log(error_msg)
else:
run_status = 'error'
run_result = CommonVariables.error_parameter
error_msg = 'command is not correct'
backup_logger.log(error_msg, False, 'Error')
except Exception as e:
errMsg = 'Failed to enable the extension with error: %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(errMsg, False, 'Error')
global_error_result = e
finally:
if(freeze_called):
unfreeze_result = freezer.unfreezeall()
backup_logger.log('unfreeze result ' + str(unfreeze_result))
if(unfreeze_result is not None and len(unfreeze_result.errors) > 0):
error_msg += ('Enable Succeeded with error: ' + str(unfreeze_result.errors))
backup_logger.log(error_msg, False, 'Warning')
backup_logger.log('unfreeze ends...')
"""
we do the final report here to get rid of the complex logic to handle the logging when file system be freezed issue.
"""
if(global_error_result is not None):
if(hasattr(global_error_result,'errno') and global_error_result.errno == 2):
run_result = CommonVariables.error_12
elif(para_parser is None):
run_result = CommonVariables.error_parameter
else:
run_result = CommonVariables.error
run_status = 'error'
error_msg += ('Enable failed.' + str(global_error_result))
if(para_parser is not None and para_parser.statusBlobUri is not None and para_parser.statusBlobUri != ""):
status_report_msg = do_backup_status_report(operation='Enable',status = run_status,\
status_code=str(run_result), \
message=error_msg,\
taskId=para_parser.taskId,\
commandStartTimeUTCTicks=para_parser.commandStartTimeUTCTicks,\
blobUri=para_parser.statusBlobUri)
if(status_report_msg is not None):
backup_logger.log("status report message:")
backup_logger.log(status_report_msg)
else:
backup_logger.log("status_report_msg is none")
if(para_parser is not None and para_parser.logsBlobUri is not None and para_parser.logsBlobUri != ""):
backup_logger.commit(para_parser.logsBlobUri)
else:
backup_logger.log("the logs blob uri is not there, so do not upload log.")
backup_logger.commit_to_local()
hutil.do_exit(0, 'Enable', run_status, str(run_result), error_msg)
def daemon():
global MyPatching, backup_logger, hutil, run_result, run_status, error_msg, freezer, para_parser, snapshot_done
#this is using the most recent file timestamp.
hutil.do_parse_context('Executing')
freezer = FsFreezer(patching=MyPatching, logger=backup_logger)
global_error_result = None
# precheck
freeze_called = False
configfile = '/etc/azure/vmbackup.conf'
thread_timeout = str(60)
try:
config = ConfigParser.ConfigParser()
config.read(configfile)
thread_timeout = config.get('SnapshotThread', 'timeout')
except Exception as e:
errMsg = 'cannot read config file or file not present'
backup_logger.log(errMsg, False, 'Warning')
backup_logger.log("final thread timeout" + thread_timeout, True)
try:
# we need to freeze the file system first
backup_logger.log('starting to enable', True)
# handle the restoring scenario.
mi = MachineIdentity()
stored_identity = mi.stored_identity()
if (stored_identity is None):
mi.save_identity()
else:
current_identity = mi.current_identity()
if (current_identity != stored_identity):
current_seq_no = -1
backup_logger.log(
"machine identity not same, set current_seq_no to " +
str(current_seq_no) + " " + str(stored_identity) + " " +
str(current_identity), True)
hutil.set_last_seq(current_seq_no)
mi.save_identity()
hutil.exit_if_same_seq()
hutil.save_seq()
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('protectedSettings')
public_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings)
if (para_parser.commandStartTimeUTCTicks is not None
and para_parser.commandStartTimeUTCTicks != ""):
utcTicksLong = long(para_parser.commandStartTimeUTCTicks)
backup_logger.log('utcTicks in long format' + str(utcTicksLong),
True)
commandStartTime = convert_time(utcTicksLong)
utcNow = datetime.datetime.utcnow()
backup_logger.log('command start time is ' +
str(commandStartTime) + " and utcNow is " +
str(utcNow))
timespan = utcNow - commandStartTime
THIRTY_MINUTES = 30 * 60 # in seconds
# handle the machine identity for the restoration scenario.
total_span_in_seconds = timedelta_total_seconds(timespan)
backup_logger.log('timespan is ' + str(timespan) + ' ' +
str(total_span_in_seconds))
if (abs(total_span_in_seconds) > THIRTY_MINUTES):
error_msg = 'the call time stamp is out of date. so skip it.'
exit_with_commit_log(error_msg, para_parser)
if (para_parser.taskId is not None and para_parser.taskId != ""):
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
commandToExecute = para_parser.commandToExecute
#validate all the required parameter here
if (commandToExecute.lower() == CommonVariables.iaas_install_command):
backup_logger.log('install succeed.', True)
run_status = 'success'
error_msg = 'Install Succeeded'
run_result = CommonVariables.success
backup_logger.log(error_msg)
elif (commandToExecute.lower() == CommonVariables.iaas_vmbackup_command
):
if (para_parser.backup_metadata is None
or para_parser.public_config_obj is None
or para_parser.private_config_obj is None):
run_result = CommonVariables.error_parameter
run_status = 'error'
error_msg = 'required field empty or not correct'
backup_logger.log(error_msg, False, 'Error')
else:
backup_logger.log('commandToExecute is ' + commandToExecute,
True)
"""
make sure the log is not doing when the file system is freezed.
"""
temp_status = 'transitioning'
temp_result = CommonVariables.success
temp_msg = 'Transitioning state in extension'
trans_report_msg = None
if (para_parser is not None
and para_parser.statusBlobUri is not None
and para_parser.statusBlobUri != ""):
trans_report_msg = do_backup_status_report(operation='Enable',status=temp_status,\
status_code=str(temp_result),\
message=temp_msg,\
taskId=para_parser.taskId,\
commandStartTimeUTCTicks=para_parser.commandStartTimeUTCTicks,\
blobUri=para_parser.statusBlobUri)
if (trans_report_msg is not None):
backup_logger.log("trans status report message:")
backup_logger.log(trans_report_msg)
else:
backup_logger.log("trans_report_msg is none")
hutil.do_status_report('Enable', temp_status, str(temp_result),
temp_msg)
backup_logger.log('doing freeze now...', True)
snapshot_thread = Thread(target=snapshot)
start_time = datetime.datetime.utcnow()
snapshot_thread.start()
snapshot_thread.join(float(thread_timeout))
if not snapshot_done:
run_result = CommonVariables.error
run_status = 'error'
error_msg = 'T:W Snapshot timeout'
backup_logger.log(error_msg, False, 'Warning')
end_time = datetime.datetime.utcnow()
time_taken = end_time - start_time
backup_logger.log('total time taken..' + str(time_taken))
for i in range(0, 3):
unfreeze_result = freezer.unfreezeall()
backup_logger.log('unfreeze result ' +
str(unfreeze_result))
if (unfreeze_result is not None):
if len(unfreeze_result.errors) > 0:
error_msg += ('unfreeze with error: ' +
str(unfreeze_result.errors))
backup_logger.log(error_msg, False, 'Warning')
else:
backup_logger.log('unfreeze result is None')
break
backup_logger.log('unfreeze ends...')
else:
run_status = 'error'
run_result = CommonVariables.error_parameter
error_msg = 'command is not correct'
backup_logger.log(error_msg, False, 'Error')
except Exception as e:
errMsg = 'Failed to enable the extension with error: %s, stack trace: %s' % (
str(e), traceback.format_exc())
backup_logger.log(errMsg, False, 'Error')
global_error_result = e
"""
we do the final report here to get rid of the complex logic to handle the logging when file system be freezed issue.
"""
if (global_error_result is not None):
if (hasattr(global_error_result, 'errno')
and global_error_result.errno == 2):
run_result = CommonVariables.error_12
elif (para_parser is None):
run_result = CommonVariables.error_parameter
else:
run_result = CommonVariables.error
run_status = 'error'
error_msg += ('Enable failed.' + str(global_error_result))
status_report_msg = None
if (para_parser is not None and para_parser.statusBlobUri is not None
and para_parser.statusBlobUri != ""):
status_report_msg = do_backup_status_report(operation='Enable',status=run_status,\
status_code=str(run_result),\
message=error_msg,\
taskId=para_parser.taskId,\
commandStartTimeUTCTicks=para_parser.commandStartTimeUTCTicks,\
blobUri=para_parser.statusBlobUri)
if (status_report_msg is not None):
backup_logger.log("status report message:")
backup_logger.log(status_report_msg)
else:
backup_logger.log("status_report_msg is none")
if (para_parser is not None and para_parser.logsBlobUri is not None
and para_parser.logsBlobUri != ""):
backup_logger.commit(para_parser.logsBlobUri)
else:
backup_logger.log(
"the logs blob uri is not there, so do not upload log.")
backup_logger.commit_to_local()
hutil.do_exit(0, 'Enable', run_status, str(run_result), error_msg)
def daemon():
global MyPatching, backup_logger, hutil, run_result, run_status, error_msg, freezer, para_parser, snapshot_done, snapshot_info_array, g_fsfreeze_on, total_used_size, patch_class_name, orig_distro, workload_patch
#this is using the most recent file timestamp.
hutil.do_parse_context('Executing')
try:
backup_logger.log('starting daemon', True)
backup_logger.log(
"patch_class_name: " + str(patch_class_name) +
" and orig_distro: " + str(orig_distro), True)
# handle the restoring scenario.
mi = MachineIdentity()
stored_identity = mi.stored_identity()
if (stored_identity is None):
mi.save_identity()
else:
current_identity = mi.current_identity()
if (current_identity != stored_identity):
current_seq_no = -1
backup_logger.log(
"machine identity not same, set current_seq_no to " +
str(current_seq_no) + " " + str(stored_identity) + " " +
str(current_identity), True)
hutil.set_last_seq(current_seq_no)
mi.save_identity()
except Exception as e:
errMsg = 'Failed to validate sequence number with error: %s, stack trace: %s' % (
str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
freezer = FsFreezer(patching=MyPatching, logger=backup_logger, hutil=hutil)
global_error_result = None
# precheck
freeze_called = False
configfile = '/etc/azure/vmbackup.conf'
thread_timeout = str(60)
snapshot_type = "appAndFileSystem"
#Adding python version to the telemetry
try:
python_version_info = sys.version_info
python_version = str(sys.version_info[0]) + '.' + str(
sys.version_info[1]) + '.' + str(sys.version_info[2])
HandlerUtil.HandlerUtility.add_to_telemetery_data(
"pythonVersion", python_version)
except Exception as e:
errMsg = 'Failed to do retrieve python version with error: %s, stack trace: %s' % (
str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
#fetching platform architecture
try:
architecture = platform.architecture()[0]
HandlerUtil.HandlerUtility.add_to_telemetery_data(
"platformArchitecture", architecture)
except Exception as e:
errMsg = 'Failed to do retrieve "platform architecture" with error: %s, stack trace: %s' % (
str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
try:
if (freezer.mounts is not None):
hutil.partitioncount = len(freezer.mounts.mounts)
backup_logger.log(" configfile " + str(configfile), True)
config = ConfigParsers.ConfigParser()
config.read(configfile)
if config.has_option('SnapshotThread', 'timeout'):
thread_timeout = config.get('SnapshotThread', 'timeout')
if config.has_option('SnapshotThread', 'snapshot_type'):
snapshot_type = config.get(
'SnapshotThread',
'snapshot_type') #values - appOnly, appAndFileSystem
except Exception as e:
errMsg = 'cannot read config file or file not present'
backup_logger.log(errMsg, True, 'Warning')
backup_logger.log("final thread timeout" + thread_timeout, True)
snapshot_info_array = None
try:
# we need to freeze the file system first
backup_logger.log('starting daemon', True)
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('protectedSettings', {})
public_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings,
backup_logger)
hutil.update_settings_file()
if (bool(public_settings) == False and not protected_settings):
error_msg = "unable to load certificate"
hutil.SetExtErrorCode(
ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.
FailedHandlerGuestAgentCertificateNotFound)
temp_result = CommonVariables.FailedHandlerGuestAgentCertificateNotFound
temp_status = 'error'
exit_with_commit_log(temp_status, temp_result, error_msg,
para_parser)
if (para_parser.commandStartTimeUTCTicks is not None
and para_parser.commandStartTimeUTCTicks != ""):
utcTicksLong = int(para_parser.commandStartTimeUTCTicks)
backup_logger.log('utcTicks in long format' + str(utcTicksLong),
True)
commandStartTime = convert_time(utcTicksLong)
utcNow = datetime.datetime.utcnow()
backup_logger.log(
'command start time is ' + str(commandStartTime) +
" and utcNow is " + str(utcNow), True)
timespan = utcNow - commandStartTime
MAX_TIMESPAN = 140 * 60 # in seconds
# handle the machine identity for the restoration scenario.
total_span_in_seconds = timedelta_total_seconds(timespan)
backup_logger.log('timespan is ' + str(timespan) + ' ' +
str(total_span_in_seconds))
if total_span_in_seconds > MAX_TIMESPAN:
error_msg = "CRP timeout limit has reached, will not take snapshot."
errMsg = error_msg
hutil.SetExtErrorCode(
ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.
FailedGuestAgentInvokedCommandTooLate)
temp_result = CommonVariables.FailedGuestAgentInvokedCommandTooLate
temp_status = 'error'
exit_with_commit_log(temp_status, temp_result, error_msg,
para_parser)
if (para_parser.taskId is not None and para_parser.taskId != ""):
backup_logger.log('taskId: ' + str(para_parser.taskId), True)
exit_if_same_taskId(para_parser.taskId)
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
hutil.save_seq()
commandToExecute = para_parser.commandToExecute
#validate all the required parameter here
backup_logger.log(commandToExecute, True)
if (CommonVariables.iaas_install_command in commandToExecute.lower()):
backup_logger.log('install succeed.', True)
run_status = 'success'
error_msg = 'Install Succeeded'
run_result = CommonVariables.success
backup_logger.log(error_msg)
elif (CommonVariables.iaas_vmbackup_command
in commandToExecute.lower()):
if (para_parser.backup_metadata is None
or para_parser.public_config_obj is None):
run_result = CommonVariables.error_parameter
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.
ExtensionErrorCodeEnum.error_parameter)
run_status = 'error'
error_msg = 'required field empty or not correct'
backup_logger.log(error_msg, True, 'Error')
else:
backup_logger.log('commandToExecute is ' + commandToExecute,
True)
"""
make sure the log is not doing when the file system is freezed.
"""
temp_status = 'success'
temp_result = CommonVariables.ExtensionTempTerminalState
temp_msg = 'Transitioning state in extension'
blob_report_msg, file_report_msg = get_status_to_report(
temp_status, temp_result, temp_msg, None)
status_report_to_file(file_report_msg)
status_report_to_blob(blob_report_msg)
#partial logging before freeze
if (para_parser is not None
and para_parser.logsBlobUri is not None
and para_parser.logsBlobUri != ""):
backup_logger.commit_to_blob(para_parser.logsBlobUri)
else:
backup_logger.log(
"the logs blob uri is not there, so do not upload log."
)
backup_logger.log('commandToExecute is ' + commandToExecute,
True)
workload_patch = WorkloadPatch.WorkloadPatch(backup_logger)
#new flow only if workload name is present in workload.conf
if workload_patch.name != None:
backup_logger.log(
"workload backup enabled for workload: " +
workload_patch.name, True)
pre_skipped = False
if len(workload_patch.error_details) > 0:
backup_logger.log("skip pre and post")
pre_skipped = True
else:
workload_patch.pre()
if len(workload_patch.error_details) > 0:
backup_logger.log("file system consistent backup only")
#todo error handling
if snapshot_type == "appOnly":
g_fsfreeze_on = False
else:
g_fsfreeze_on = True
freeze_snapshot(thread_timeout)
if pre_skipped == False:
workload_patch.post()
workload_error = workload_patch.populateErrors()
if workload_error != None and g_fsfreeze_on == False:
run_status = 'error'
run_result = workload_error.errorCode
hutil.SetExtErrorCode(workload_error.errorCode)
error_msg = 'Workload Patch failed with error message: ' + workload_error.errorMsg
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(
hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
elif workload_error != None and g_fsfreeze_on == True:
hutil.SetExtErrorCode(workload_error.errorCode)
error_msg = 'Workload Patch failed with warning message: ' + workload_error.errorMsg
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(
hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
else:
if (run_status == CommonVariables.status_success):
run_status = 'success'
run_result = CommonVariables.success_appconsistent
hutil.SetExtErrorCode(
ExtensionErrorCodeHelper.
ExtensionErrorCodeEnum.success_appconsistent)
error_msg = 'Enable Succeeded with App Consistent Snapshot'
backup_logger.log(error_msg, True)
else:
error_msg = 'Enable failed in fsfreeze snapshot flow'
backup_logger.log(error_msg, True)
else:
PluginHostObj = PluginHost(logger=backup_logger)
PluginHostErrorCode, dobackup, g_fsfreeze_on = PluginHostObj.pre_check(
)
doFsConsistentbackup = False
appconsistentBackup = False
if not (PluginHostErrorCode == CommonVariables.
FailedPrepostPluginhostConfigParsing
or PluginHostErrorCode
== CommonVariables.FailedPrepostPluginConfigParsing
or PluginHostErrorCode == CommonVariables.
FailedPrepostPluginhostConfigNotFound
or PluginHostErrorCode == CommonVariables.
FailedPrepostPluginhostConfigPermissionError
or PluginHostErrorCode ==
CommonVariables.FailedPrepostPluginConfigNotFound):
backup_logger.log(
'App Consistent Consistent Backup Enabled', True)
HandlerUtil.HandlerUtility.add_to_telemetery_data(
"isPrePostEnabled", "true")
appconsistentBackup = True
if (PluginHostErrorCode !=
CommonVariables.PrePost_PluginStatus_Success):
backup_logger.log(
'Triggering File System Consistent Backup because of error code'
+
ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.
StatusCodeStringBuilder(PluginHostErrorCode), True)
doFsConsistentbackup = True
preResult = PluginHostResult()
postResult = PluginHostResult()
if not doFsConsistentbackup:
preResult = PluginHostObj.pre_script()
dobackup = preResult.continueBackup
if (g_fsfreeze_on == False
and preResult.anyScriptFailed):
dobackup = False
if dobackup:
freeze_snapshot(thread_timeout)
if not doFsConsistentbackup:
postResult = PluginHostObj.post_script()
if not postResult.continueBackup:
dobackup = False
if (g_fsfreeze_on == False
and postResult.anyScriptFailed):
dobackup = False
if not dobackup:
if run_result == CommonVariables.success and PluginHostErrorCode != CommonVariables.PrePost_PluginStatus_Success:
run_status = 'error'
run_result = PluginHostErrorCode
hutil.SetExtErrorCode(PluginHostErrorCode)
error_msg = 'Plugin Host Precheck Failed'
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(
hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
if run_result == CommonVariables.success:
pre_plugin_errors = preResult.errors
for error in pre_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
run_status = 'error'
run_result = error.errorCode
hutil.SetExtErrorCode(error.errorCode)
error_msg = 'PreScript failed for the plugin ' + error.pluginName
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(
hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
break
if run_result == CommonVariables.success:
post_plugin_errors = postResult.errors
for error in post_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
run_status = 'error'
run_result = error.errorCode
hutil.SetExtErrorCode(error.errorCode)
error_msg = 'PostScript failed for the plugin ' + error.pluginName
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(
hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
break
if appconsistentBackup:
if (PluginHostErrorCode !=
CommonVariables.PrePost_PluginStatus_Success):
hutil.SetExtErrorCode(PluginHostErrorCode)
pre_plugin_errors = preResult.errors
for error in pre_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
hutil.SetExtErrorCode(error.errorCode)
post_plugin_errors = postResult.errors
for error in post_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
hutil.SetExtErrorCode(error.errorCode)
if run_result == CommonVariables.success and not doFsConsistentbackup and not (
preResult.anyScriptFailed
or postResult.anyScriptFailed):
run_status = 'success'
run_result = CommonVariables.success_appconsistent
hutil.SetExtErrorCode(
ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.
success_appconsistent)
error_msg = 'Enable Succeeded with App Consistent Snapshot'
backup_logger.log(error_msg, True)
else:
run_status = 'error'
run_result = CommonVariables.error_parameter
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.
ExtensionErrorCodeEnum.error_parameter)
error_msg = 'command is not correct'
backup_logger.log(error_msg, True, 'Error')
except Exception as e:
hutil.update_settings_file()
errMsg = 'Failed to enable the extension with error: %s, stack trace: %s' % (
str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
global_error_result = e
"""
we do the final report here to get rid of the complex logic to handle the logging when file system be freezed issue.
"""
try:
if (global_error_result is not None):
if (hasattr(global_error_result, 'errno')
and global_error_result.errno == 2):
run_result = CommonVariables.error_12
hutil.SetExtErrorCode(
ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error_12)
elif (para_parser is None):
run_result = CommonVariables.error_parameter
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.
ExtensionErrorCodeEnum.error_parameter)
else:
run_result = CommonVariables.error
hutil.SetExtErrorCode(
ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error)
run_status = 'error'
error_msg += ('Enable failed.' + str(global_error_result))
status_report_msg = None
hutil.SetExtErrorCode(
run_result
) #setting extension errorcode at the end if missed somewhere
HandlerUtil.HandlerUtility.add_to_telemetery_data(
"extErrorCode",
str(ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.
ExtensionErrorCodeNameDict[hutil.ExtErrorCode]))
total_used_size = -1
blob_report_msg, file_report_msg = get_status_to_report(
run_status, run_result, error_msg, snapshot_info_array)
if (hutil.is_status_file_exists()):
status_report_to_file(file_report_msg)
status_report_to_blob(blob_report_msg)
except Exception as e:
errMsg = 'Failed to log status in extension'
backup_logger.log(errMsg, True, 'Error')
if (para_parser is not None and para_parser.logsBlobUri is not None
and para_parser.logsBlobUri != ""):
backup_logger.commit(para_parser.logsBlobUri)
else:
backup_logger.log(
"the logs blob uri is not there, so do not upload log.")
backup_logger.commit_to_local()
sys.exit(0)
def enable():
global backup_logger,hutil,error_msg,para_parser
hutil.do_parse_context('Enable')
try:
backup_logger.log('starting to enable', True)
# handle the restoring scenario.
mi = MachineIdentity()
stored_identity = mi.stored_identity()
if(stored_identity is None):
mi.save_identity()
else:
current_identity = mi.current_identity()
if(current_identity != stored_identity):
current_seq_no = -1
backup_logger.log("machine identity not same, set current_seq_no to " + str(current_seq_no) + " " + str(stored_identity) + " " + str(current_identity), True)
hutil.set_last_seq(current_seq_no)
mi.save_identity()
hutil.exit_if_same_seq()
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('protectedSettings')
public_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings)
if(bool(public_settings) and not protected_settings): #Protected settings decryption failed case
error_msg = "unable to load certificate"
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.FailedHandlerGuestAgentCertificateNotFound)
temp_result=CommonVariables.FailedHandlerGuestAgentCertificateNotFound
temp_status= 'error'
exit_with_commit_log(temp_status, temp_result,error_msg, para_parser)
if(para_parser.commandStartTimeUTCTicks is not None and para_parser.commandStartTimeUTCTicks != ""):
utcTicksLong = int(para_parser.commandStartTimeUTCTicks)
backup_logger.log('utcTicks in long format' + str(utcTicksLong), True)
commandStartTime = convert_time(utcTicksLong)
utcNow = datetime.datetime.utcnow()
backup_logger.log('command start time is ' + str(commandStartTime) + " and utcNow is " + str(utcNow), True)
timespan = utcNow - commandStartTime
MAX_TIMESPAN = 150 * 60 # in seconds
# handle the machine identity for the restoration scenario.
total_span_in_seconds = timedelta_total_seconds(timespan)
backup_logger.log('timespan is ' + str(timespan) + ' ' + str(total_span_in_seconds))
if(para_parser.taskId is not None and para_parser.taskId != ""):
backup_logger.log('taskId: ' + str(para_parser.taskId), True)
exit_if_same_taskId(para_parser.taskId)
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
hutil.save_seq()
temp_status= 'transitioning'
temp_result=CommonVariables.success
temp_msg='Transitioning state in enable'
blob_report_msg, file_report_msg = get_status_to_report(temp_status, temp_result, temp_msg, None)
file_status_upload_thread=Thread(target=status_report_to_file, args=(file_report_msg,))
file_status_upload_thread.start()
blob_status_upload_thread=Thread(target=status_report_to_blob, args=(blob_report_msg,))
blob_status_upload_thread.start()
if(hutil.is_prev_in_transition()):
backup_logger.log('retrieving the previous logs for this', True)
backup_logger.set_prev_log()
if(para_parser is not None and para_parser.logsBlobUri is not None and para_parser.logsBlobUri != ""):
log_upload_thread=Thread(target=thread_for_log_upload)
log_upload_thread.start()
log_upload_thread.join(60)
file_status_upload_thread.join(30)
blob_status_upload_thread.join(60)
start_daemon();
sys.exit(0)
except Exception as e:
errMsg = 'Failed to call the daemon with error: %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
global_error_result = e
temp_status= 'error'
temp_result=CommonVariables.error
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error)
error_msg = 'Failed to call the daemon'
exit_with_commit_log(temp_status, temp_result,error_msg, para_parser)
def enable():
#this is using the most recent file timestamp.
hutil.do_parse_context('Enable')
freezer = FsFreezer(backup_logger)
unfreeze_result = None
snapshot_result = None
freeze_result = None
global_error_result = None
para_parser = None
run_result = 1
error_msg = ''
run_status = None
# precheck
freeze_called = False
try:
# we need to freeze the file system first
backup_logger.log('starting to enable', True)
# handle the restoring scenario.
mi = MachineIdentity()
stored_identity = mi.stored_identity()
if (stored_identity is None):
mi.save_identity()
else:
current_identity = mi.current_identity()
if (current_identity != stored_identity):
current_seq_no = -1
backup_logger.log(
"machine identity not same, set current_seq_no to " +
str(current_seq_no) + " " + str(stored_identity) + " " +
str(current_identity), True)
hutil.set_inused_config_seq(current_seq_no)
mi.save_identity()
hutil.save_seq()
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('protectedSettings')
public_settings = hutil._context._config['runtimeSettings'][0][
'handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings)
if (para_parser.commandStartTimeUTCTicks is not None
and para_parser.commandStartTimeUTCTicks != ""):
utcTicksLong = long(para_parser.commandStartTimeUTCTicks)
commandStartTime = convert_time(utcTicksLong)
utcNow = datetime.datetime.utcnow()
backup_logger.log('command start time is ' +
str(commandStartTime) + " and utcNow is " +
str(utcNow))
timespan = utcNow - commandStartTime
THIRTY_MINUTES = 30 * 60 # in seconds
# handle the machine identity for the restoration scenario.
total_span_in_seconds = timespan.days * 24 * 60 * 60 + timespan.seconds
backup_logger.log('timespan is ' + str(timespan) + ' ' +
str(total_span_in_seconds))
if (abs(total_span_in_seconds) > THIRTY_MINUTES):
error_msg = 'the call time stamp is out of date. so skip it.'
exit_with_commit_log(error_msg, para_parser)
if (para_parser.taskId is not None and para_parser.taskId != ""):
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
commandToExecute = para_parser.commandToExecute
#validate all the required parameter here
if (commandToExecute.lower() == CommonVariables.iaas_install_command):
backup_logger.log('install succeed.', True)
run_status = 'success'
error_msg = 'Install Succeeded'
run_result = CommonVariables.success
backup_logger.log(error_msg)
elif (commandToExecute.lower() == CommonVariables.iaas_vmbackup_command
):
if (para_parser.backup_metadata is None
or para_parser.public_config_obj is None
or para_parser.private_config_obj is None):
run_result = CommonVariables.error_parameter
run_status = 'error'
error_msg = 'required field empty or not correct'
backup_logger.log(error_msg, False, 'Error')
else:
backup_logger.log('commandToExecute is ' + commandToExecute,
True)
"""
make sure the log is not doing when the file system is freezed.
"""
backup_logger.log('doing freeze now...', True)
freeze_called = True
freeze_result = freezer.freezeall()
backup_logger.log('freeze result ' + str(freeze_result))
# check whether we freeze succeed first?
if (freeze_result is not None
and len(freeze_result.errors) > 0):
run_result = CommonVariables.error
run_status = 'error'
error_msg = 'Enable failed with error: ' + str(
freeze_result)
backup_logger.log(error_msg, False, 'Warning')
else:
backup_logger.log('doing snapshot now...')
snap_shotter = Snapshotter(backup_logger)
snapshot_result = snap_shotter.snapshotall(para_parser)
backup_logger.log('snapshotall ends...')
if (snapshot_result is not None
and len(snapshot_result.errors) > 0):
error_msg = 'snapshot result: ' + str(snapshot_result)
run_result = CommonVariables.error
run_status = 'error'
backup_logger.log(error_msg, False, 'Error')
else:
run_result = CommonVariables.success
run_status = 'success'
error_msg = 'Enable Succeeded'
backup_logger.log(error_msg)
else:
run_status = 'error'
run_result = CommonVariables.error_parameter
error_msg = 'command is not correct'
backup_logger.log(error_msg, False, 'Error')
except Exception as e:
errMsg = 'Failed to enable the extension with error: %s, stack trace: %s' % (
str(e), traceback.format_exc())
backup_logger.log(errMsg, False, 'Error')
global_error_result = e
finally:
backup_logger.log('doing unfreeze now...')
if (freeze_called):
unfreeze_result = freezer.unfreezeall()
backup_logger.log('unfreeze result ' + str(unfreeze_result))
if (unfreeze_result is not None
and len(unfreeze_result.errors) > 0):
error_msg += ('Enable Succeeded with error: ' +
str(unfreeze_result.errors))
backup_logger.log(error_msg, False, 'Warning')
backup_logger.log('unfreeze ends...')
if (para_parser is not None and para_parser.logsBlobUri is not None):
backup_logger.commit(para_parser.logsBlobUri)
else:
backup_logger.commit_to_local()
"""
we do the final report here to get rid of the complex logic to handle the logging when file system be freezed issue.
"""
if (global_error_result is not None):
if (hasattr(global_error_result, 'errno')
and global_error_result.errno == 2):
run_result = CommonVariables.error_12
elif (para_parser is None):
run_result = CommonVariables.error_parameter
else:
run_result = CommonVariables.error
run_status = 'error'
error_msg += ('Enable failed.' + str(global_error_result))
if (para_parser is not None and para_parser.statusBlobUri is not None):
do_backup_status_report(operation='Enable',status = run_status,\
status_code=str(run_result), \
message=error_msg,\
taskId=para_parser.taskId,\
commandStartTimeUTCTicks=para_parser.commandStartTimeUTCTicks,\
blobUri=para_parser.statusBlobUri)
hutil.do_exit(0, 'Enable', run_status, str(run_result), error_msg)
def enable():
freezer = FsFreezer(backup_logger)
unfreeze_result = None
snapshot_result = None
freeze_result = None
global_error_result = None
para_parser = None
run_result = 1
error_msg = ''
run_status = None
# precheck
freeze_called = False
try:
hutil.do_parse_context('Enable')
# we need to freeze the file system first
backup_logger.log('starting to enable', True)
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('protectedSettings')
public_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings)
commandStartTime = datetime.datetime(1, 1, 1) + datetime.timedelta(microseconds = para_parser.commandStartTimeUTCTicks / 10)
utcNow = datetime.datetime.utcnow()
backup_logger.log('command start time is ' + str(commandStartTime) + " and utcNow is " + str(utcNow))
timespan = utcNow - commandStartTime
TWENTY_MINUTES = 20 * 60
taskIdentity = TaskIdentity()
currentTaskIdentity = taskIdentity.stored_identity()
# handle the machine identity for the restoration scenario.
backup_logger.log('timespan is '+str(timespan))
if(abs(timespan.total_seconds()) > TWENTY_MINUTES):
error_msg = 'the call time stamp is out of date.'
exit_with_commit_log(error_msg,para_parser)
elif(para_parser.taskId == currentTaskIdentity):
error_msg = 'the task id is handled.'
exit_with_commit_log(error_msg,para_parser)
else:
taskIdentity.save_identity(para_parser.taskId)
commandToExecute = para_parser.commandToExecute
#validate all the required parameter here
if(commandToExecute.lower() == CommonVariables.iaas_install_command):
backup_logger.log("install succeed.",True)
run_status = 'success'
error_msg = 'Install Succeeded'
run_result = CommonVariables.success
backup_logger.log(error_msg)
elif(commandToExecute.lower() == CommonVariables.iaas_vmbackup_command):
if(para_parser.backup_metadata is None or para_parser.public_config_obj is None or para_parser.private_config_obj is None):
run_result = CommonVariables.parameter_error
run_status = 'error'
error_msg = 'required field empty or not correct'
backup_logger.log(error_msg, False, 'Error')
else:
backup_logger.log('commandToExecute is ' + commandToExecute, True)
"""
make sure the log is not doing when the file system is freezed.
"""
backup_logger.log("doing freeze now...", True)
freeze_called = True
freeze_result = freezer.freezeall()
backup_logger.log("freeze result " + str(freeze_result))
# check whether we freeze succeed first?
if(freeze_result is not None and len(freeze_result.errors) > 0):
run_result = CommonVariables.error
run_status = 'error'
error_msg = 'Enable failed with error' + str(freeze_result)
backup_logger.log(error_msg, False, 'Warning')
else:
backup_logger.log("doing snapshot now...")
snap_shotter = Snapshotter(backup_logger)
snapshot_result = snap_shotter.snapshotall(para_parser)
backup_logger.log("snapshotall ends...")
if(snapshot_result is not None and len(snapshot_result.errors) > 0):
error_msg = "snapshot result: " + str(snapshot_result)
run_result = CommonVariables.error
run_status = 'error'
backup_logger.log(error_msg, False, 'Error')
else:
run_result = CommonVariables.success
run_status = 'success'
error_msg = 'Enable Succeeded'
backup_logger.log(error_msg)
else:
run_status = 'error'
run_result = CommonVariables.parameter_error
error_msg = 'command is not correct'
backup_logger.log(error_msg, False, 'Error')
except Exception as e:
errMsg = "Failed to enable the extension with error: %s, stack trace: %s" % (str(e), traceback.format_exc())
backup_logger.log(errMsg, False, 'Error')
global_error_result = e
finally:
backup_logger.log("doing unfreeze now...")
if(freeze_called):
unfreeze_result = freezer.unfreezeall()
backup_logger.log("unfreeze result " + str(unfreeze_result))
error_msg += ('Enable Succeeded with error: ' + str(unfreeze_result.errors))
if(unfreeze_result is not None and len(unfreeze_result.errors) > 0):
backup_logger.log(error_msg, False, 'Warning')
backup_logger.log("unfreeze ends...")
if(para_parser is not None):
backup_logger.commit(para_parser.logsBlobUri)
"""
we do the final report here to get rid of the complex logic to handle the logging when file system be freezed issue.
"""
if(global_error_result is not None):
if(hasattr(global_error_result,'errno') and global_error_result.errno == 2):
run_result = CommonVariables.error_12
elif(para_parser is None):
run_result = CommonVariables.parameter_error
else:
run_result = CommonVariables.error
run_status = 'error'
error_msg += ('Enable failed.' + str(global_error_result))
print("para_parser is "+str(para_parser))
do_status_report(operation='Enable',status = run_status,status_code=str(run_result),message=error_msg,taskId=para_parser.taskId,commandStartTimeUTCTicks=para_parser.commandStartTimeUTCTicks,blobUri=para_parser.statusBlobUri)
hutil.do_exit(0, 'Enable', run_status, str(run_result), error_msg)
def daemon():
global MyPatching,backup_logger,hutil,run_result,run_status,error_msg,freezer,para_parser,snapshot_done,snapshot_info_array,g_fsfreeze_on,total_used_size
#this is using the most recent file timestamp.
hutil.do_parse_context('Executing')
try:
backup_logger.log('starting daemon', True)
# handle the restoring scenario.
mi = MachineIdentity()
stored_identity = mi.stored_identity()
if(stored_identity is None):
mi.save_identity()
else:
current_identity = mi.current_identity()
if(current_identity != stored_identity):
current_seq_no = -1
backup_logger.log("machine identity not same, set current_seq_no to " + str(current_seq_no) + " " + str(stored_identity) + " " + str(current_identity), True)
hutil.set_last_seq(current_seq_no)
mi.save_identity()
except Exception as e:
errMsg = 'Failed to validate sequence number with error: %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
freezer = FsFreezer(patching= MyPatching, logger = backup_logger, hutil = hutil)
global_error_result = None
# precheck
freeze_called = False
configfile='/etc/azure/vmbackup.conf'
thread_timeout=str(60)
#Adding python version to the telemetry
try:
python_version_info = sys.version_info
python_version = str(sys.version_info[0])+ '.' + str(sys.version_info[1]) + '.' + str(sys.version_info[2])
HandlerUtil.HandlerUtility.add_to_telemetery_data("pythonVersion", python_version)
except Exception as e:
errMsg = 'Failed to do retrieve python version with error: %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
#fetching platform architecture
try:
architecture = platform.architecture()[0]
HandlerUtil.HandlerUtility.add_to_telemetery_data("platformArchitecture", architecture)
except Exception as e:
errMsg = 'Failed to do retrieve "platform architecture" with error: %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
try:
if(freezer.mounts is not None):
hutil.partitioncount = len(freezer.mounts.mounts)
backup_logger.log(" configfile " + str(configfile), True)
config = ConfigParsers.ConfigParser()
config.read(configfile)
if config.has_option('SnapshotThread','timeout'):
thread_timeout= config.get('SnapshotThread','timeout')
except Exception as e:
errMsg='cannot read config file or file not present'
backup_logger.log(errMsg, True, 'Warning')
backup_logger.log("final thread timeout" + thread_timeout, True)
snapshot_info_array = None
try:
# we need to freeze the file system first
backup_logger.log('starting daemon', True)
"""
protectedSettings is the privateConfig passed from Powershell.
WATCHOUT that, the _context_config are using the most freshest timestamp.
if the time sync is alive, this should be right.
"""
protected_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('protectedSettings')
public_settings = hutil._context._config['runtimeSettings'][0]['handlerSettings'].get('publicSettings')
para_parser = ParameterParser(protected_settings, public_settings, backup_logger)
if(bool(public_settings) and not protected_settings): #Protected settings decryption failed case
error_msg = "unable to load certificate"
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.FailedHandlerGuestAgentCertificateNotFound)
temp_result=CommonVariables.FailedHandlerGuestAgentCertificateNotFound
temp_status= 'error'
exit_with_commit_log(temp_status, temp_result,error_msg, para_parser)
if(para_parser.commandStartTimeUTCTicks is not None and para_parser.commandStartTimeUTCTicks != ""):
utcTicksLong = int(para_parser.commandStartTimeUTCTicks)
backup_logger.log('utcTicks in long format' + str(utcTicksLong), True)
commandStartTime = convert_time(utcTicksLong)
utcNow = datetime.datetime.utcnow()
backup_logger.log('command start time is ' + str(commandStartTime) + " and utcNow is " + str(utcNow), True)
timespan = utcNow - commandStartTime
MAX_TIMESPAN = 150 * 60 # in seconds
# handle the machine identity for the restoration scenario.
total_span_in_seconds = timedelta_total_seconds(timespan)
backup_logger.log('timespan is ' + str(timespan) + ' ' + str(total_span_in_seconds))
if(para_parser.taskId is not None and para_parser.taskId != ""):
backup_logger.log('taskId: ' + str(para_parser.taskId), True)
exit_if_same_taskId(para_parser.taskId)
taskIdentity = TaskIdentity()
taskIdentity.save_identity(para_parser.taskId)
hutil.save_seq()
commandToExecute = para_parser.commandToExecute
#validate all the required parameter here
backup_logger.log(commandToExecute,True)
if(CommonVariables.iaas_install_command in commandToExecute.lower()):
backup_logger.log('install succeed.',True)
run_status = 'success'
error_msg = 'Install Succeeded'
run_result = CommonVariables.success
backup_logger.log(error_msg)
elif(CommonVariables.iaas_vmbackup_command in commandToExecute.lower()):
if(para_parser.backup_metadata is None or para_parser.public_config_obj is None or para_parser.private_config_obj is None):
run_result = CommonVariables.error_parameter
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error_parameter)
run_status = 'error'
error_msg = 'required field empty or not correct'
backup_logger.log(error_msg, True, 'Error')
else:
backup_logger.log('commandToExecute is ' + commandToExecute, True)
"""
make sure the log is not doing when the file system is freezed.
"""
temp_status= 'success'
temp_result=CommonVariables.ExtensionTempTerminalState
temp_msg='Transitioning state in extension'
blob_report_msg, file_report_msg = get_status_to_report(temp_status, temp_result, temp_msg, None)
status_report_to_file(file_report_msg)
status_report_to_blob(blob_report_msg)
#partial logging before freeze
if(para_parser is not None and para_parser.logsBlobUri is not None and para_parser.logsBlobUri != ""):
backup_logger.commit_to_blob(para_parser.logsBlobUri)
else:
backup_logger.log("the logs blob uri is not there, so do not upload log.")
backup_logger.log('commandToExecute is ' + commandToExecute, True)
PluginHostObj = PluginHost(logger=backup_logger)
PluginHostErrorCode,dobackup,g_fsfreeze_on = PluginHostObj.pre_check()
doFsConsistentbackup = False
appconsistentBackup = False
if not (PluginHostErrorCode == CommonVariables.FailedPrepostPluginhostConfigParsing or
PluginHostErrorCode == CommonVariables.FailedPrepostPluginConfigParsing or
PluginHostErrorCode == CommonVariables.FailedPrepostPluginhostConfigNotFound or
PluginHostErrorCode == CommonVariables.FailedPrepostPluginhostConfigPermissionError or
PluginHostErrorCode == CommonVariables.FailedPrepostPluginConfigNotFound):
backup_logger.log('App Consistent Consistent Backup Enabled', True)
HandlerUtil.HandlerUtility.add_to_telemetery_data("isPrePostEnabled", "true")
appconsistentBackup = True
if(PluginHostErrorCode != CommonVariables.PrePost_PluginStatus_Success):
backup_logger.log('Triggering File System Consistent Backup because of error code' + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(PluginHostErrorCode), True)
doFsConsistentbackup = True
preResult = PluginHostResult()
postResult = PluginHostResult()
if not doFsConsistentbackup:
preResult = PluginHostObj.pre_script()
dobackup = preResult.continueBackup
if(g_fsfreeze_on == False and preResult.anyScriptFailed):
dobackup = False
if dobackup:
freeze_snapshot(thread_timeout)
if not doFsConsistentbackup:
postResult = PluginHostObj.post_script()
if not postResult.continueBackup:
dobackup = False
if(g_fsfreeze_on == False and postResult.anyScriptFailed):
dobackup = False
if not dobackup:
if run_result == CommonVariables.success and PluginHostErrorCode != CommonVariables.PrePost_PluginStatus_Success:
run_status = 'error'
run_result = PluginHostErrorCode
hutil.SetExtErrorCode(PluginHostErrorCode)
error_msg = 'Plugin Host Precheck Failed'
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
if run_result == CommonVariables.success:
pre_plugin_errors = preResult.errors
for error in pre_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
run_status = 'error'
run_result = error.errorCode
hutil.SetExtErrorCode(error.errorCode)
error_msg = 'PreScript failed for the plugin ' + error.pluginName
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
break
if run_result == CommonVariables.success:
post_plugin_errors = postResult.errors
for error in post_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
run_status = 'error'
run_result = error.errorCode
hutil.SetExtErrorCode(error.errorCode)
error_msg = 'PostScript failed for the plugin ' + error.pluginName
error_msg = error_msg + ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.StatusCodeStringBuilder(hutil.ExtErrorCode)
backup_logger.log(error_msg, True)
break
if appconsistentBackup:
if(PluginHostErrorCode != CommonVariables.PrePost_PluginStatus_Success):
hutil.SetExtErrorCode(PluginHostErrorCode)
pre_plugin_errors = preResult.errors
for error in pre_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
hutil.SetExtErrorCode(error.errorCode)
post_plugin_errors = postResult.errors
for error in post_plugin_errors:
if error.errorCode != CommonVariables.PrePost_PluginStatus_Success:
hutil.SetExtErrorCode(error.errorCode)
if run_result == CommonVariables.success and not doFsConsistentbackup and not (preResult.anyScriptFailed or postResult.anyScriptFailed):
run_status = 'success'
run_result = CommonVariables.success_appconsistent
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.success_appconsistent)
error_msg = 'Enable Succeeded with App Consistent Snapshot'
backup_logger.log(error_msg, True)
else:
run_status = 'error'
run_result = CommonVariables.error_parameter
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error_parameter)
error_msg = 'command is not correct'
backup_logger.log(error_msg, True, 'Error')
except Exception as e:
errMsg = 'Failed to enable the extension with error: %s, stack trace: %s' % (str(e), traceback.format_exc())
backup_logger.log(errMsg, True, 'Error')
global_error_result = e
"""
we do the final report here to get rid of the complex logic to handle the logging when file system be freezed issue.
"""
try:
if(global_error_result is not None):
if(hasattr(global_error_result,'errno') and global_error_result.errno == 2):
run_result = CommonVariables.error_12
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error_12)
elif(para_parser is None):
run_result = CommonVariables.error_parameter
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error_parameter)
else:
run_result = CommonVariables.error
hutil.SetExtErrorCode(ExtensionErrorCodeHelper.ExtensionErrorCodeEnum.error)
run_status = 'error'
error_msg += ('Enable failed.' + str(global_error_result))
status_report_msg = None
hutil.SetExtErrorCode(run_result) #setting extension errorcode at the end if missed somewhere
HandlerUtil.HandlerUtility.add_to_telemetery_data("extErrorCode", str(ExtensionErrorCodeHelper.ExtensionErrorCodeHelper.ExtensionErrorCodeNameDict[hutil.ExtErrorCode]))
total_used_size = -1
blob_report_msg, file_report_msg = get_status_to_report(run_status,run_result,error_msg, snapshot_info_array)
if(hutil.is_status_file_exists()):
status_report_to_file(file_report_msg)
status_report_to_blob(blob_report_msg)
except Exception as e:
errMsg = 'Failed to log status in extension'
backup_logger.log(errMsg, True, 'Error')
if(para_parser is not None and para_parser.logsBlobUri is not None and para_parser.logsBlobUri != ""):
backup_logger.commit(para_parser.logsBlobUri)
else:
backup_logger.log("the logs blob uri is not there, so do not upload log.")
backup_logger.commit_to_local()
sys.exit(0)
