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# Copyright 2014 Microsoft Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requires Python 2.4+ and Openssl 1.0+
#
import os
import sys
import traceback
import atexit
import json
import time
import datetime
import threading
import platform
import azurelinuxagent.common.logger as logger
from azurelinuxagent.common.exception import EventError, ProtocolError
from azurelinuxagent.common.future import ustr
from azurelinuxagent.common.protocol.restapi import TelemetryEventParam, \
TelemetryEventList, \
TelemetryEvent, \
set_properties, get_properties
from azurelinuxagent.common.version import DISTRO_NAME, DISTRO_VERSION, \
DISTRO_CODE_NAME, AGENT_VERSION
class WALAEventOperation:
HeartBeat="HeartBeat"
Provision = "Provision"
Install = "Install"
UnInstall = "UnInstall"
Disable = "Disable"
Enable = "Enable"
Download = "Download"
Upgrade = "Upgrade"
Update = "Update"
ActivateResourceDisk="ActivateResourceDisk"
UnhandledError="UnhandledError"
class EventLogger(object):
def __init__(self):
self.event_dir = None
def save_event(self, data):
if self.event_dir is None:
logger.warn("Event reporter is not initialized.")
return
if not os.path.exists(self.event_dir):
os.mkdir(self.event_dir)
os.chmod(self.event_dir, 0o700)
if len(os.listdir(self.event_dir)) > 1000:
raise EventError("Too many files under: {0}".format(self.event_dir))
filename = os.path.join(self.event_dir, ustr(int(time.time()*1000000)))
try:
with open(filename+".tmp",'wb+') as hfile:
hfile.write(data.encode("utf-8"))
os.rename(filename+".tmp", filename+".tld")
except IOError as e:
raise EventError("Failed to write events to file:{0}", e)
def add_event(self, name, op="", is_success=True, duration=0, version=AGENT_VERSION,
message="", evt_type="", is_internal=False):
event = TelemetryEvent(1, "69B669B9-4AF8-4C50-BDC4-6006FA76E975")
event.parameters.append(TelemetryEventParam('Name', name))
event.parameters.append(TelemetryEventParam('Version', str(version)))
event.parameters.append(TelemetryEventParam('IsInternal', is_internal))
event.parameters.append(TelemetryEventParam('Operation', op))
event.parameters.append(TelemetryEventParam('OperationSuccess',
is_success))
event.parameters.append(TelemetryEventParam('Message', message))
event.parameters.append(TelemetryEventParam('Duration', duration))
event.parameters.append(TelemetryEventParam('ExtensionType', evt_type))
data = get_properties(event)
try:
self.save_event(json.dumps(data))
except EventError as e:
logger.error("{0}", e)
__event_logger__ = EventLogger()
def add_event(name, op="", is_success=True, duration=0, version=AGENT_VERSION,
message="", evt_type="", is_internal=False,
reporter=__event_logger__):
log = logger.info if is_success else logger.error
log("Event: name={0}, op={1}, message={2}", name, op, message)
if reporter.event_dir is None:
logger.warn("Event reporter is not initialized.")
return
reporter.add_event(name, op=op, is_success=is_success, duration=duration,
version=str(version), message=message, evt_type=evt_type,
is_internal=is_internal)
def init_event_logger(event_dir, reporter=__event_logger__):
reporter.event_dir = event_dir
def dump_unhandled_err(name):
if hasattr(sys, 'last_type') and hasattr(sys, 'last_value') and \
hasattr(sys, 'last_traceback'):
last_type = getattr(sys, 'last_type')
last_value = getattr(sys, 'last_value')
last_traceback = getattr(sys, 'last_traceback')
error = traceback.format_exception(last_type, last_value,
last_traceback)
message= "".join(error)
add_event(name, is_success=False, message=message,
op=WALAEventOperation.UnhandledError)
def enable_unhandled_err_dump(name):
atexit.register(dump_unhandled_err, name)
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