mirror of
https://github.com/clearlinux/WALinuxAgent.git
synced 2026-09-02 11:51:46 +00:00
247 lines
9.3 KiB
Python
247 lines
9.3 KiB
Python
# Copyright 2014 Microsoft Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Requires Python 2.4+ and Openssl 1.0+
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#
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import datetime
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import json
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import os
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import platform
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import time
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import threading
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import uuid
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import azurelinuxagent.common.conf as conf
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import azurelinuxagent.common.utils.fileutil as fileutil
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import azurelinuxagent.common.logger as logger
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from azurelinuxagent.common.event import add_event, WALAEventOperation
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from azurelinuxagent.common.exception import EventError, ProtocolError, OSUtilError
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from azurelinuxagent.common.future import ustr
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from azurelinuxagent.common.osutil import get_osutil
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from azurelinuxagent.common.protocol import get_protocol_util
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from azurelinuxagent.common.protocol.restapi import TelemetryEventParam, \
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TelemetryEventList, \
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TelemetryEvent, \
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set_properties
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from azurelinuxagent.common.utils.restutil import IOErrorCounter
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from azurelinuxagent.common.utils.textutil import parse_doc, findall, find, getattrib
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from azurelinuxagent.common.version import DISTRO_NAME, DISTRO_VERSION, \
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DISTRO_CODE_NAME, AGENT_LONG_VERSION, \
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AGENT_NAME, CURRENT_AGENT, CURRENT_VERSION
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def parse_event(data_str):
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try:
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return parse_json_event(data_str)
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except ValueError:
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return parse_xml_event(data_str)
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def parse_xml_param(param_node):
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name = getattrib(param_node, "Name")
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value_str = getattrib(param_node, "Value")
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attr_type = getattrib(param_node, "T")
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value = value_str
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if attr_type == 'mt:uint64':
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value = int(value_str)
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elif attr_type == 'mt:bool':
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value = bool(value_str)
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elif attr_type == 'mt:float64':
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value = float(value_str)
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return TelemetryEventParam(name, value)
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def parse_xml_event(data_str):
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try:
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xml_doc = parse_doc(data_str)
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event_id = getattrib(find(xml_doc, "Event"), 'id')
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provider_id = getattrib(find(xml_doc, "Provider"), 'id')
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event = TelemetryEvent(event_id, provider_id)
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param_nodes = findall(xml_doc, 'Param')
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for param_node in param_nodes:
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event.parameters.append(parse_xml_param(param_node))
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return event
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except Exception as e:
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raise ValueError(ustr(e))
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def parse_json_event(data_str):
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data = json.loads(data_str)
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event = TelemetryEvent()
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set_properties("TelemetryEvent", event, data)
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return event
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def get_monitor_handler():
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return MonitorHandler()
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class MonitorHandler(object):
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def __init__(self):
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self.osutil = get_osutil()
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self.protocol_util = get_protocol_util()
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self.sysinfo = []
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def run(self):
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self.init_sysinfo()
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event_thread = threading.Thread(target=self.daemon)
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event_thread.setDaemon(True)
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event_thread.start()
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def init_sysinfo(self):
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osversion = "{0}:{1}-{2}-{3}:{4}".format(platform.system(),
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DISTRO_NAME,
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DISTRO_VERSION,
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DISTRO_CODE_NAME,
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platform.release())
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self.sysinfo.append(TelemetryEventParam("OSVersion", osversion))
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self.sysinfo.append(
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TelemetryEventParam("GAVersion", CURRENT_AGENT))
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try:
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ram = self.osutil.get_total_mem()
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processors = self.osutil.get_processor_cores()
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self.sysinfo.append(TelemetryEventParam("RAM", ram))
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self.sysinfo.append(TelemetryEventParam("Processors", processors))
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except OSUtilError as e:
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logger.warn("Failed to get system info: {0}", e)
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try:
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protocol = self.protocol_util.get_protocol()
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vminfo = protocol.get_vminfo()
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self.sysinfo.append(TelemetryEventParam("VMName",
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vminfo.vmName))
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self.sysinfo.append(TelemetryEventParam("TenantName",
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vminfo.tenantName))
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self.sysinfo.append(TelemetryEventParam("RoleName",
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vminfo.roleName))
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self.sysinfo.append(TelemetryEventParam("RoleInstanceName",
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vminfo.roleInstanceName))
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self.sysinfo.append(TelemetryEventParam("ContainerId",
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vminfo.containerId))
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except ProtocolError as e:
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logger.warn("Failed to get system info: {0}", e)
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def collect_event(self, evt_file_name):
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try:
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logger.verbose("Found event file: {0}", evt_file_name)
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with open(evt_file_name, "rb") as evt_file:
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# if fail to open or delete the file, throw exception
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data_str = evt_file.read().decode("utf-8", 'ignore')
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logger.verbose("Processed event file: {0}", evt_file_name)
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os.remove(evt_file_name)
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return data_str
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except IOError as e:
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msg = "Failed to process {0}, {1}".format(evt_file_name, e)
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raise EventError(msg)
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def collect_and_send_events(self):
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event_list = TelemetryEventList()
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event_dir = os.path.join(conf.get_lib_dir(), "events")
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event_files = os.listdir(event_dir)
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for event_file in event_files:
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if not event_file.endswith(".tld"):
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continue
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event_file_path = os.path.join(event_dir, event_file)
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try:
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data_str = self.collect_event(event_file_path)
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except EventError as e:
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logger.error("{0}", e)
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continue
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try:
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event = parse_event(data_str)
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self.add_sysinfo(event)
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event_list.events.append(event)
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except (ValueError, ProtocolError) as e:
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logger.warn("Failed to decode event file: {0}", e)
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continue
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if len(event_list.events) == 0:
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return
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try:
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protocol = self.protocol_util.get_protocol()
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protocol.report_event(event_list)
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except ProtocolError as e:
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logger.error("{0}", e)
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def daemon(self):
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period = datetime.timedelta(minutes=30)
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protocol = self.protocol_util.get_protocol()
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last_heartbeat = datetime.datetime.utcnow() - period
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# Create a new identifier on each restart and reset the counter
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heartbeat_id = str(uuid.uuid4()).upper()
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counter = 0
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while True:
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if datetime.datetime.utcnow() >= (last_heartbeat + period):
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last_heartbeat = datetime.datetime.utcnow()
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incarnation = protocol.get_incarnation()
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dropped_packets = self.osutil.get_firewall_dropped_packets(
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protocol.endpoint)
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msg = "{0};{1};{2};{3}".format(
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incarnation, counter, heartbeat_id, dropped_packets)
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add_event(
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name=AGENT_NAME,
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version=CURRENT_VERSION,
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op=WALAEventOperation.HeartBeat,
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is_success=True,
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message=msg,
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log_event=False)
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counter += 1
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io_errors = IOErrorCounter.get_and_reset()
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hostplugin_errors = io_errors.get("hostplugin")
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protocol_errors = io_errors.get("protocol")
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other_errors = io_errors.get("other")
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if hostplugin_errors > 0 \
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or protocol_errors > 0 \
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or other_errors > 0:
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msg = "hostplugin:{0};protocol:{1};other:{2}"\
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.format(hostplugin_errors,
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protocol_errors,
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other_errors)
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add_event(
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name=AGENT_NAME,
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version=CURRENT_VERSION,
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op=WALAEventOperation.HttpErrors,
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is_success=True,
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message=msg,
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log_event=False)
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try:
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self.collect_and_send_events()
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except Exception as e:
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logger.warn("Failed to send events: {0}", e)
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time.sleep(60)
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def add_sysinfo(self, event):
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sysinfo_names = [v.name for v in self.sysinfo]
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for param in event.parameters:
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if param.name in sysinfo_names:
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logger.verbose("Remove existing event parameter: [{0}:{1}]",
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param.name,
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param.value)
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event.parameters.remove(param)
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event.parameters.extend(self.sysinfo)
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