feat: support host monitor #1890

Abingcbc · 2024-11-18T02:08:43Z

打通进程元信息采集链路

TODO：

支持更多字段
可观测指标

core/common/timer/HostMonitorTimerEvent.cpp

core/models/PipelineEventGroup.h

core/runner/sink/http/HttpSink.cpp

core/host_monitor/collector/MockCollector.cpp

core/host_monitor/collector/CollectorManager.cpp

core/plugin/processor/inner/ProcessorHostMetaNative.cpp

core/constants/EntityConstants.cpp

core/host_monitor/SystemInformationTools.cpp

core/plugin/processor/inner/ProcessorHostMetaNative.cpp

core/host_monitor/collector/ProcessCollector.cpp

core/common/FileSystemUtil.h

core/common/StringTools.cpp

core/common/timer/HostMonitorTimerEvent.cpp

core/plugin/input/InputHostMeta.h

core/plugin/input/InputHostMeta.cpp

core/host_monitor/HostMonitorInputRunner.cpp

core/common/timer/Timer.h

core/plugin/processor/inner/ProcessorHostMetaNative.cpp

core/runner/sink/http/HttpSink.cpp

core/plugin/processor/inner/ProcessorHostMetaNative.cpp

core/host_monitor/collector/ProcessCollector.h

core/host_monitor/collector/ProcessCollector.cpp

core/plugin/processor/inner/ProcessorHostMetaNative.cpp

core/host_monitor/collector/ProcessCollector.cpp

messixukejia · 2024-11-30T11:20:51Z

core/host_monitor/collector/ProcessCollector.cpp

+
+    int readCount = 0;
+    WalkAllProcess(PROCESS_DIR, [&](const std::string& dirName) {
+        if (++readCount > mProcessSilentCount) {


个数控制是不是也在控制缓存里的？不应该只是控制去直接操作系统交互的吗

缓存是为了计算增量的CPU使用率，前一次和后一次的top n进程可能不一样，所以需要保存所有的

core/common/MachineInfoUtil.cpp

core/common/timer/Timer.h

core/plugin/input/InputHostMeta.cpp

core/host_monitor/collector/ProcessEntityCollector.cpp

core/plugin/input/InputHostMeta.cpp

core/host_monitor/HostMonitorInputRunner.cpp

messixukejia · 2024-12-29T07:04:11Z

core/host_monitor/HostMonitorInputRunner.h

+    ThreadPool mThreadPool;
+
+    mutable std::shared_mutex mRegisteredCollectorMapMutex;
+    std::unordered_map<std::string, bool> mRegisteredCollectorMap;


std::unordered_map<std::string, bool> mRegisteredCollectorMap; std::unordered_map<std::string, std::shared_ptr<BaseCollector>> mCollectorInstanceMap;

这两个变量有点不合理。
包括
1、HostMonitorInputRunner::GetCollector的使用上。应该是自闭环合法性
2、锁的关系等
3、RegisterCollector 操作的变量是 mCollectorInstanceMap，但是另一个没操作的变量却叫reg

可能的优化
1、保持现有逻辑。一组功能不用过多发散变量，以上改成一个map。value用结构体表示。整体实现结构优化下。
2、UpdateCollector时再注册ProcessEntityCollector实例，这样能省一个变量。

core/host_monitor/collector/ProcessEntityCollector.cpp

core/common/timer/Timer.cpp

messixukejia · 2024-12-30T08:56:13Z

core/host_monitor/collector/ProcessEntityCollector.cpp

+
+const std::string ProcessEntityCollector::sName = "process_entity";
+
+ProcessEntityCollector::ProcessEntityCollector() : mProcessSilentCount(INT32_FLAG(process_collect_silent_count)) {


任务执行异步
超时影响
不同任务类型见例如Prometheus、host entity、processo不影响

线程池放入不会堵塞，runner拿到任务后，可以立刻放入线程池

在一个任务执行结束后，再放入下一个任务。一个任务超时，会计算从上一次执行时间开始，增加n个周期，到达下一个未来可执行的时间点。
nextExecTime = execTime + n * interval

core/common/MachineInfoUtil.cpp

core/common/MachineInfoUtil.h

docs/cn/plugins/input/native/input-host-meta.md

core/host_monitor/collector/ProcessEntityCollector.cpp

messixukejia · 2025-01-07T01:48:46Z

core/constants/EntityConstants.cpp

+// process entity
+const std::string DEFAULT_CONTENT_VALUE_ENTITY_TYPE_ECS_PROCESS = "acs.ecs.process";
+const std::string DEFAULT_CONTENT_VALUE_ENTITY_TYPE_HOST_PROCESS = "infra.host.process";
+const std::string DEFAULT_CONTENT_KEY_PROCESS_PID = "pid";


字段是如何跟安全保持一致的？

messixukejia · 2025-01-07T01:49:17Z

core/host_monitor/HostMonitorInputRunner.cpp

+
+namespace logtail {
+
+HostMonitorInputRunner::HostMonitorInputRunner() : mThreadPool(ThreadPool(3)) {


3 的合理性？

messixukejia · 2025-01-07T02:01:52Z

core/models/PipelineEventGroup.h

@@ -61,6 +61,8 @@ enum class EventGroupMetaKey {
    PROMETHEUS_STREAM_ID,
    PROMETHEUS_STREAM_TOTAL,

+    HOST_MONITOR_COLLECT_INTERVAL,


使用的地方都属于input控制范围，可以通过HostMonitorInputRunner::UpdateCollector来传递

{"process_entity"},

messixukejia · 2025-01-07T02:10:55Z

core/host_monitor/HostMonitorInputRunner.cpp

+    RegisterCollector<ProcessEntityCollector>();
+}
+
+void HostMonitorInputRunner::UpdateCollector(const std::vector<std::string>& newCollectors,


保持变量含义的统一性，这里应该是collectornames。

messixukejia · 2025-01-07T02:16:14Z

core/host_monitor/collector/ProcessEntityCollector.cpp

+                                             std::string& entityType,
+                                             std::string& hostEntityID,
+                                             std::string& hostEntityType) {
+    ECSMeta metaObj = HostIdentifier::Instance()->GetECSMeta();


合库前需要：GetECSMeta的使用还需要完善下设计及实现

core/app_config/AppConfig.cpp

messixukejia · 2025-01-07T02:36:24Z

core/host_monitor/HostMonitorInputRunner.cpp

+
+namespace logtail {
+
+HostMonitorInputRunner::HostMonitorInputRunner() : mThreadPool(ThreadPool(3)) {


messixukejia · 2025-01-07T02:37:35Z

core/models/PipelineEventGroup.h

@@ -61,6 +61,8 @@ enum class EventGroupMetaKey {
    PROMETHEUS_STREAM_ID,
    PROMETHEUS_STREAM_TOTAL,

+    HOST_MONITOR_COLLECT_INTERVAL,


{"process_entity"},

Abingcbc force-pushed the host_monitor branch 6 times, most recently from 6150e52 to bfdd9c2 Compare November 19, 2024 06:27

messixukejia requested changes Nov 25, 2024

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feat: support host monitor

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Abingcbc force-pushed the host_monitor branch from 4110e3d to 3e12438 Compare November 27, 2024 06:22

Abingcbc added 2 commits November 29, 2024 00:01

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Abingcbc added 7 commits December 27, 2024 00:34

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Abingcbc added 2 commits January 5, 2025 22:03

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Abingcbc added 3 commits January 6, 2025 09:59

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Abingcbc force-pushed the host_monitor branch from 8fdce38 to 2cb4b7b Compare January 6, 2025 07:45

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feat: support host monitor #1890

feat: support host monitor #1890

Abingcbc commented Nov 18, 2024

messixukejia Nov 30, 2024

Abingcbc Dec 27, 2024

messixukejia Dec 29, 2024

messixukejia Dec 30, 2024

messixukejia Dec 30, 2024

Abingcbc Jan 6, 2025 •

edited

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messixukejia Jan 7, 2025


		const std::string ProcessEntityCollector::sName = "process_entity";

		ProcessEntityCollector::ProcessEntityCollector() : mProcessSilentCount(INT32_FLAG(process_collect_silent_count)) {


		namespace logtail {

		HostMonitorInputRunner::HostMonitorInputRunner() : mThreadPool(ThreadPool(3)) {

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Abingcbc commented Nov 18, 2024

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Abingcbc Jan 6, 2025 • edited Loading

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Abingcbc Jan 6, 2025 •

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