linkagent源码分析

探针LinkAgent快来了解一下！： https://news.shulie.io/?p=3966

管理后台交互接口

上报应用信息

http接口： /api/application/center/app/info

agent心跳

探针列表状态

注册到zookeeper，path=/config/log/pradar/status/{appName}/{agentId}

数据:

{"agentId":"10.0.44.46-580","simulatorVersion":"5.6.0.7","address":"10.0.44.46","errorCode":"","pid":"580","agentLanguage":"JAVA","userId":"1","agentStatus":"INSTALLED","jvmArgsCheck":"{\"status\":\"true\"}","errorMsg":"","jdk":"1.8.0_111","jvmArgs":"[\"-XX:MetaspaceSize=356M\",\"-XX:MaxMetaspaceSize=356M\",\"-Xbootclasspath/a:D:\\\\simulator-agent\\\\lib\\\\tools.jar\",\"-javaagent:D:\\\\simulator-agent\\\\bootstrap\\\\transmittable-thread-local-2.12.1.jar\",\"-javaagent:D:\\\\simulator-agent\\\\simulator-launcher-instrument.jar\",\"-Dsimulator.delay=10\",\"-Dsimulator.agent.skip.jvmArgsCheck=true\",\"-Dpradar.project.name=seq-server\",\"-Djdk.attach.allowAttachSelf=true\",\"-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005\",\"-XX:TieredStopAtLevel=1\",\"-Xverify:none\",\"-Dspring.output.ansi.enabled=always\",\"-Dcom.sun.management.jmxremote\",\"-Dspring.jmx.enabled=true\",\"-Dspring.liveBeansView.mbeanDomain\",\"-Dspring.application.admin.enabled=true\",\"-javaagent:D:\\\\Program Files\\\\JetBrains\\\\IntelliJ IDEA 2020.1\\\\lib\\\\idea_rt.jar=54194:D:\\\\Program Files\\\\JetBrains\\\\IntelliJ IDEA 2020.1\\\\bin\",\"-Dfile.encoding=UTF-8\"]","envCode":"test","host":"test.nacos","name":"580@fund-0-44-46","agentVersion":"5.3.4.1","tenantAppKey":"default"}

其他接口

大数据服务交互接口

上报链路信息

数据格式：V17

traceId|startTime|user_app_key(租户标识)|env_code(环境标识)|user_id(用户ID)|agentId|invokeId|invokeType|appName|cost|middlewareName|serviceName|methodName|resultCode|request|response|flags|callbackMsg|#samplingInterval|@nodeAttributes|@nodeLocalAttributes|@##attachment|@nodeAttributes|@nodeLocalAttributes

数据：

0100007f16717073558341438d02440001|1671707355836|default|test|1|10.0.44.46-580|0|0|seq-server|2185|tomcat|/sequence/api/uuid/v1/get|GET|200|||true~false~true~true||#1|@seq-server~/sequence/api/uuid/v1/get~GET|@seq-server~127.0.0.1~60179~0~0||@tn@a3d2fc8b4792f4837287d5b235d3ca7f@|@@st149:http-nio-8080-exec-1@nid4f605d9bdb8628e63d58a580d815910c@et149:http-nio-8080-exec-1
0100007f16717073911341444d02440001|1671707391134|default|test|1|10.0.44.46-580|0|0|seq-server|24|tomcat|/sequence/api/uuid/v1/get|GET|200|||true~false~true~true||#1|@seq-server~/sequence/api/uuid/v1/get~GET|@seq-server~127.0.0.1~60179~0~0||@tn@a3d2fc8b4792f4837287d5b235d3ca7f@|@@st150:http-nio-8080-exec-2@nid4f605d9bdb8628e63d58a580d815910c@et150:http-nio-8080-exec-2

上报errorLog

数据格式：V11

ip|port|timestamp|user_app_key(租户标识)|env_code(环境标识)|user_id(用户ID)|agentId|appName|agentLogInfo(日志信息)

数据：

127.0.0.1|0|1671499748248|default|test|1|10.0.44.46-2744|seq-server|can't found any available log server nodes!"
127.0.0.1|0|1671499748248|default|test|1|10.0.44.46-2744|seq-server|init log data pusher failed.retry next times."
127.0.0.1|0|1671499748874|default|test|1|10.0.44.46-2744|seq-server|获取控制台固定配置信息失败 url={}, result={}, 参数类型={}"

上报Monitor信息（指的是系统cpu、memory、io等信息）

数据格式：V13

appName|timestamp|user_app_key(租户标识)|env_code(环境标识)|user_id(用户ID)|agentId(simple)|cpuUsage%|cpuAvgLoad1|cpuAvgLoad5|cpuAvgLoad15|memoryUsage%

|totalMemory|availableMemory|cpuIoWaitUsage%|NetworkUsage|NetworkSpeed|cupCoreNum|totalDiskSpace|usableDiskSpace|diskReadBytes|diskWriteBytes|0 or 1(out or in docker)|version

数据：

seq-server|1671704245|default|test|1|10.0.44.46-580|0.88|-1.00|-1.00|-1.00|80.73|8585334784|1521553408|0|0|0|4|118000443392|11002114048|0|0|0|13
seq-server|1671704247|default|test|1|10.0.44.46-580|50.83|-1.00|-1.00|-1.00|82.28|8585334784|1521688576|0|0|0|4|118000443392|11002114048|0|0|0|13