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Dobes Vandermeer
2023-08-16 12:40:49 -07:00
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@@ -62,9 +62,9 @@ List of supported problem daemons types:
| Problem Daemon Types | NodeCondition | Description | Configs | Disabling Build Tag |
|----------------|:---------------:|:------------|:--------|:--------------------|
| [SystemLogMonitor](https://github.com/kubernetes/node-problem-detector/tree/master/pkg/systemlogmonitor) | KernelDeadlock ReadonlyFilesystem FrequentKubeletRestart FrequentDockerRestart FrequentContainerdRestart | A system log monitor monitors system log and reports problems and metrics according to predefined rules. | [filelog](https://github.com/kubernetes/node-problem-detector/blob/master/config/kernel-monitor-filelog.json), [kmsg](https://github.com/kubernetes/node-problem-detector/blob/master/config/kernel-monitor.json), [kernel](https://github.com/kubernetes/node-problem-detector/blob/master/config/kernel-monitor-counter.json) [abrt](https://github.com/kubernetes/node-problem-detector/blob/master/config/abrt-adaptor.json) [systemd](https://github.com/kubernetes/node-problem-detector/blob/master/config/systemd-monitor-counter.json) | disable_system_log_monitor
| [SystemStatsMonitor](https://github.com/kubernetes/node-problem-detector/tree/master/pkg/systemstatsmonitor) | None(Could be added in the future) | A system stats monitor for node-problem-detector to collect various health-related system stats as metrics. See the proposal [here](https://docs.google.com/document/d/1SeaUz6kBavI283Dq8GBpoEUDrHA2a795xtw0OvjM568/edit). | | disable_system_stats_monitor
| [SystemStatsMonitor](https://github.com/kubernetes/node-problem-detector/tree/master/pkg/systemstatsmonitor) | None(Could be added in the future) | A system stats monitor for node-problem-detector to collect various health-related system stats as metrics. See the proposal [here](https://docs.google.com/document/d/1SeaUz6kBavI283Dq8GBpoEUDrHA2a795xtw0OvjM568/edit). | [system-stats-monitor](https://github.com/kubernetes/node-problem-detector/blob/master/config/system-stats-monitor.json) | disable_system_stats_monitor
| [CustomPluginMonitor](https://github.com/kubernetes/node-problem-detector/tree/master/pkg/custompluginmonitor) | On-demand(According to users configuration), existing example: NTPProblem | A custom plugin monitor for node-problem-detector to invoke and check various node problems with user-defined check scripts. See the proposal [here](https://docs.google.com/document/d/1jK_5YloSYtboj-DtfjmYKxfNnUxCAvohLnsH5aGCAYQ/edit#). | [example](https://github.com/kubernetes/node-problem-detector/blob/4ad49bbd84b8ced45ac825eac01ec93d9235935e/config/custom-plugin-monitor.json) | disable_custom_plugin_monitor
| [HealthChecker](https://github.com/kubernetes/node-problem-detector/tree/master/pkg/healthchecker) | KubeletUnhealthy ContainerRuntimeUnhealthy| A health checker for node-problem-detector to check kubelet and container runtime health. | [kubelet](https://github.com/kubernetes/node-problem-detector/blob/master/config/health-checker-kubelet.json) [docker](https://github.com/kubernetes/node-problem-detector/blob/master/config/health-checker-docker.json) |
| [HealthChecker](https://github.com/kubernetes/node-problem-detector/tree/master/pkg/healthchecker) | KubeletUnhealthy ContainerRuntimeUnhealthy| A health checker for node-problem-detector to check kubelet and container runtime health. | [kubelet](https://github.com/kubernetes/node-problem-detector/blob/master/config/health-checker-kubelet.json) [docker](https://github.com/kubernetes/node-problem-detector/blob/master/config/health-checker-docker.json) [containerd](https://github.com/kubernetes/node-problem-detector/blob/master/config/health-checker-containerd.json) |
# Exporter
@@ -103,7 +103,8 @@ certain backends. Some of them can be disabled at compile-time using a build tag
* `--config.custom-plugin-monitor`: List of paths to custom plugin monitor config files, comma-separated, e.g.
[config/custom-plugin-monitor.json](https://github.com/kubernetes/node-problem-detector/blob/master/config/custom-plugin-monitor.json).
Node problem detector will start a separate custom plugin monitor for each configuration. You can
use different custom plugin monitors to monitor different node problems.
use different custom plugin monitors to monitor different node problems. This is also used to set up the health checkers using
the configs/health-checker*.json config files.
#### For Kubernetes exporter