1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
# 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 datetime
import json
import os
import platform
import time
import threading
import azurelinuxagent.common.conf as conf
import azurelinuxagent.common.logger as logger
from azurelinuxagent.common.event import WALAEventOperation, add_event
from azurelinuxagent.common.exception import EventError, ProtocolError, OSUtilError
from azurelinuxagent.common.future import ustr
from azurelinuxagent.common.osutil import get_osutil
from azurelinuxagent.common.protocol import get_protocol_util
from azurelinuxagent.common.protocol.restapi import TelemetryEventParam, \
TelemetryEventList, \
TelemetryEvent, \
set_properties
from azurelinuxagent.common.utils.textutil import parse_doc, findall, find, getattrib
from azurelinuxagent.common.version import DISTRO_NAME, DISTRO_VERSION, \
DISTRO_CODE_NAME, AGENT_LONG_VERSION, \
CURRENT_AGENT, CURRENT_VERSION
def parse_event(data_str):
try:
return parse_json_event(data_str)
except ValueError:
return parse_xml_event(data_str)
def parse_xml_param(param_node):
name = getattrib(param_node, "Name")
value_str = getattrib(param_node, "Value")
attr_type = getattrib(param_node, "T")
value = value_str
if attr_type == 'mt:uint64':
value = int(value_str)
elif attr_type == 'mt:bool':
value = bool(value_str)
elif attr_type == 'mt:float64':
value = float(value_str)
return TelemetryEventParam(name, value)
def parse_xml_event(data_str):
try:
xml_doc = parse_doc(data_str)
event_id = getattrib(find(xml_doc, "Event"), 'id')
provider_id = getattrib(find(xml_doc, "Provider"), 'id')
event = TelemetryEvent(event_id, provider_id)
param_nodes = findall(xml_doc, 'Param')
for param_node in param_nodes:
event.parameters.append(parse_xml_param(param_node))
return event
except Exception as e:
raise ValueError(ustr(e))
def parse_json_event(data_str):
data = json.loads(data_str)
event = TelemetryEvent()
set_properties("TelemetryEvent", event, data)
return event
def get_monitor_handler():
return MonitorHandler()
class MonitorHandler(object):
def __init__(self):
self.osutil = get_osutil()
self.protocol_util = get_protocol_util()
self.sysinfo = []
def run(self):
self.init_sysinfo()
event_thread = threading.Thread(target=self.daemon)
event_thread.setDaemon(True)
event_thread.start()
def init_sysinfo(self):
osversion = "{0}:{1}-{2}-{3}:{4}".format(platform.system(),
DISTRO_NAME,
DISTRO_VERSION,
DISTRO_CODE_NAME,
platform.release())
self.sysinfo.append(TelemetryEventParam("OSVersion", osversion))
self.sysinfo.append(
TelemetryEventParam("GAVersion", CURRENT_AGENT))
try:
ram = self.osutil.get_total_mem()
processors = self.osutil.get_processor_cores()
self.sysinfo.append(TelemetryEventParam("RAM", ram))
self.sysinfo.append(TelemetryEventParam("Processors", processors))
except OSUtilError as e:
logger.warn("Failed to get system info: {0}", e)
try:
protocol = self.protocol_util.get_protocol()
vminfo = protocol.get_vminfo()
self.sysinfo.append(TelemetryEventParam("VMName",
vminfo.vmName))
self.sysinfo.append(TelemetryEventParam("TenantName",
vminfo.tenantName))
self.sysinfo.append(TelemetryEventParam("RoleName",
vminfo.roleName))
self.sysinfo.append(TelemetryEventParam("RoleInstanceName",
vminfo.roleInstanceName))
self.sysinfo.append(TelemetryEventParam("ContainerId",
vminfo.containerId))
except ProtocolError as e:
logger.warn("Failed to get system info: {0}", e)
def collect_event(self, evt_file_name):
try:
logger.verbose("Found event file: {0}", evt_file_name)
with open(evt_file_name, "rb") as evt_file:
# if fail to open or delete the file, throw exception
data_str = evt_file.read().decode("utf-8", 'ignore')
logger.verbose("Processed event file: {0}", evt_file_name)
os.remove(evt_file_name)
return data_str
except IOError as e:
msg = "Failed to process {0}, {1}".format(evt_file_name, e)
raise EventError(msg)
def collect_and_send_events(self):
event_list = TelemetryEventList()
event_dir = os.path.join(conf.get_lib_dir(), "events")
event_files = os.listdir(event_dir)
for event_file in event_files:
if not event_file.endswith(".tld"):
continue
event_file_path = os.path.join(event_dir, event_file)
try:
data_str = self.collect_event(event_file_path)
except EventError as e:
logger.error("{0}", e)
continue
try:
event = parse_event(data_str)
event.parameters.extend(self.sysinfo)
event_list.events.append(event)
except (ValueError, ProtocolError) as e:
logger.warn("Failed to decode event file: {0}", e)
continue
if len(event_list.events) == 0:
return
try:
protocol = self.protocol_util.get_protocol()
protocol.report_event(event_list)
except ProtocolError as e:
logger.error("{0}", e)
def daemon(self):
last_heartbeat = datetime.datetime.min
period = datetime.timedelta(minutes=30)
while True:
if (datetime.datetime.now() - last_heartbeat) > period:
last_heartbeat = datetime.datetime.now()
add_event(
op=WALAEventOperation.HeartBeat,
name=CURRENT_AGENT,
version=CURRENT_VERSION,
is_success=True)
try:
self.collect_and_send_events()
except Exception as e:
logger.warn("Failed to send events: {0}", e)
time.sleep(60)
|
