Foglight for Container Management 3.0


Conditions	Severity	Action
Pods that is in Failed or Unknown status. Or the node which is running the pod gets disconnected.	Critical	Send email to Kubernetes Administrator.
Pods that is in CrashLoopBackOff status.	Warning	None

Kubernetes Pod Health Check (Pending Phase)

Purpose

This rule detects Pods that stays in pending phase for an abnormal long time.

Scope

KubePod

Conditions and Severities


Conditions	Severity	Action
Pods that is pending for two continuous data submission periods because of Failed to schedule to Node.	Critical	Send email to Kubernetes Administrator.
Pods that is pending for two continuous data submission periods because container is not ready.	Warning	None

Kubernetes Container Health Check

Purpose

This rule detects abnormal Container health status and fires alarm for different severity abnormal health status.

Scope

KubeContainer

Conditions and Severities


Conditions	Severity	Action
Container that is terminated for abnormal reasons.	Critical	Send email to Kubernetes Administrator.

Kubernetes Node Health Check

Purpose

This rule detects abnormal Node health status and fires alarm for different severity abnormal health status.

Scope

KubeNode

Conditions and Severities


Conditions	Severity	Action
Nodes that is not Ready or out of disk or network unavailable.	Critical	Send email to Kubernetes Administrator.
Nodes whose memory or disk is under pressure.	Warning	None

Kubernetes Deployment Health Check

Purpose

This rule detects abnormal Deployment health status and fires alarm for different severity abnormal health status.

Scope

KubeDeployment

Conditions and Severities


Conditions	Severity	Action
Deployment is not available.	Critical	Send email to Kubernetes Administrator.
Deployment has failed to create some of the replicated pods.	Warning	None

Kubernetes Daemon Set Health Check

Purpose

This rule detects abnormal Daemon Set health status and fires alarm for different severity abnormal health status.

Scope

KubeDaemonSet

Conditions and Severities


Conditions	Severity	Action
Some of the pods created by the Daemon Set is not available or mis-scheduled.	Critical	Send email to Kubernetes Administrator.
The daemon set doesn’t have enough replicated pods running that meets its desired replicated pods count.	Warning	None

Kubernetes Job Health Check

Purpose

This rule detects abnormal Job health status and fires alarm for different severity abnormal health status.

Scope

KubeJob

Conditions and Severities


Conditions	Severity	Action
Job that is failed.	Warning	None

Kubernetes Persistent Volume Health Check

Purpose

This rule detects abnormal Persistent Volume health status and fires alarm for different severity abnormal health status.

Scope

KubePersistentVolume

Conditions and Severities


Conditions	Severity	Action
Persistent Volume that is in failed status.	Warning	None

Kubernetes Persistent Volume Claim Health Check

Purpose

This rule detects abnormal Persistent Volume Claim health status and fires alarm for different severity abnormal health status.

Scope

KubePersistentVolumeClaim

Conditions and Severities


Conditions	Severity	Action
Persistent Volume Claim that is in failed status.	Warning	None

Kubernetes Persistent Volume Claim Health Check (Long Pending)

Purpose

This rule detects abnormal long pending Persistent Volume Claim and fires alarm for different severities.

Scope

KubePersistentVolumeClaim

Conditions and Severities


Conditions	Severity	Action
Persistent Volume Claim that is pending for two continuous data submission periods.	Critical	None

Usage


	NOTE: All the Pod usage related rules are disabled by default, these rules are used as default values or examples for the customers to customize their different kinds of workloads. For how to customize the rules, refer to Customization .

Kubernetes Pod CPU Utilization

Purpose

This rule detects abnormal CPU Utilization for Pods, and fires alarm on different severities. It is disabled by default. You can customize it and enable it based on your different requirements. For more details about customization, refer to Customization . You can also change value of the registry variables or use your own value to change the threshold of each severities. This rule only works for those Pods that configures CPU limit.

Scope

KubePodCpu

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Pods whose usage is about to reach the limit, the ration is above the value configured in fatal Threshold.	Fatal	Kubernetes:PodCpuUtilizationFatal	Send email to Kubernetes Administrator
Pods whose usage is about to reach the limit, the ration is above the value configured in critical Threshold.	Critical	Kubernetes:PodCpuUtilizationCritical	None
Pods whose usage is about to reach the limit, the ration is above the value configured in warning Threshold.	Warning	Kubernetes:PodCpuUtilizationWarning	None

*Note: the unit is percentage.

Kubernetes Pod Memory Utilization

Purpose

This rule detects abnormal Memory Utilization for Pods, and fires alarm on different severities. It is disabled by default. You can customize it and enable it based on your different requirements. For more details about customization, refer to Customization . You can also change value of the registry variables or use your own value to change the threshold of each severities. This rule only works for those Pods that configures Memory limit.

Scope

KubePodMemory

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Pods whose usage is about to reach the limit, the ration is above the value configured in fatal Threshold.	Fatal	Kubernetes:PodMemoryUtilizationFatal	Send email to Kubernetes Administrator
Pods whose usage is about to reach the limit, the ration is above the value configured in critical Threshold.	Critical	Kubernetes:PodMemoryUtilizationCritical	None
Pods whose usage is about to reach the limit, the ration is above the value configured in warning Threshold.	Warning	Kubernetes:PodMemoryUtilizationWarning	None

*Note: the unit is percentage.

Kubernetes Pod CPU Usage

Purpose

This rule detects abnormal CPU Usage for Pods, and fires alarm on different severities. It is disabled by default. You can customize it and enable it based on your different requirements. For more details about customization, refer to Customization . You can also change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubePodCpu

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Pods whose usage is above the value configured in fatal Threshold.	Fatal	Kubernetes:PodCpuUsageFatal	Send email to Kubernetes Administrator
Pods whose usage is above the value configured in critical Threshold.	Critical	Kubernetes:PodCpuUsageCritical	None
Pods whose usage is above the value configured in warning Threshold.	Warning	Kubernetes:PodCpuUsageWarning	None

*Note: the unit is millicores/second.

Kubernetes Pod Memory Usage

Purpose

This rule detects abnormal Memory Usage for Pods, and fires alarm on different severities. It is disabled by default. You can customize it and enable it based on your different requirements. For more details about customization, refer to Customization . You can also change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubePodMemory

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Pods whose usage is above the value configured in fatal Threshold.	Fatal	Kubernetes:PodMemoryUsageFatal	Send email to Kubernetes Administrator
Pods whose usage is above the value configured in critical Threshold.	Critical	Kubernetes:PodMemoryUsageCritical	None
Pods whose usage is above the value configured in warning Threshold.	Warning	Kubernetes:PodMemoryUsageWarning	None

*Note: the unit is bytes.

Kubernetes Pod Network Receive

Purpose

This rule detects abnormal Network Receive Rate in bytes/second for Pods, and fire alarm on different severities. It is disabled by default. You can customize it and enable it based on your different requirements. For more details about customization, refer to Customization . You can also change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubePodNetwork

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Pods whose usage is above the value configured in fatal Threshold.	Fatal	Kubernetes:PodNetworkReceiveFatal	Send email to Kubernetes Administrator
Pods whose usage is above the value configured in critical Threshold.	Critical	Kubernetes:PodNetworkReceiveCritical	None
Pods whose usage is above the value configured in warning Threshold.	Warning	Kubernetes:PodNetworkReceiveWarning	None

*Note: the unit is bytes/second.

Kubernetes Pod Network Send

Purpose

This rule detects abnormal Network Send Rate in bytes/second for Pods, and fire alarm on different severities. It is disabled by default. You can customize it and enable it based on your different requirements. For more details about customization, refer to Customization . You can also change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubePodNetwork

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Pods whose usage is above the value configured in fatal Threshold.	Fatal	Kubernetes:PodNetworkSendFatal	Send email to Kubernetes Administrator
Pods whose usage is above the value configured in critical Threshold.	Critical	Kubernetes:PodNetworkSendCritical	None
Pods whose usage is above the value configured in warning Threshold.	Warning	Kubernetes:PodNetworkSendWarning	None

*Note: the unit is bytes/second.

Kubernetes Pod Filesystem Utilization

Purpose

This rule checks kubernetes pod filesystem utilization to see if it reaches the defined threshold. The filesystem utilization rule only works for pod that configures filesystem limit.

Scope

KubePodStorage

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Pods whose usage is about to reach the limit, the ration is above the value configured in fatal Threshold.	Fatal	Kubernetes: PodFilesystemUtilizationFatal	Send email to Kubernetes Administrator
Pods whose usage is about to reach the limit, the ration is above the value configured in critical Threshold.	Critical	Kubernetes: PodFilesystemUtilizationCritical	None
Pods whose usage is about to reach the limit, the ration is above the value configured in warning Threshold.	Warning	Kubernetes: PodFilesystemUtilizationWarning	None

*Note: the unit is percentage.

Kubernetes Node CPU Utilization

Purpose

This rule detects abnormal CPU Utilization for Nodes, and fire alarm on different severities. It is enabled by default. You can change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubeNodeCpu

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Nodes whose utilization is above the value configured in fatal Threshold.	Fatal	Kubernetes:NodeCpuUtilizationFatal	Send email to Kubernetes Administrator
Nodes whose utilization is above the value configured in critical Threshold.	Critical	Kubernetes:NodeCpuUtilizationCritical	None
Nodes whose utilization is above the value configured in warning Threshold.	Warning	Kubernetes:NodeCpuUtilizationWarning	None

*Note: the unit is percentage.

Kubernetes Node Memory Utilization

Purpose

This rule detects abnormal Memory Utilization for Nodes, and fire alarm on different severities. It is enabled by default. You can change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubeNodeMemory

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Nodes whose utilization is above the value configured in fatal Threshold.	Fatal	Kubernetes:NodeMemoryUtilizationFatal	Send email to Kubernetes Administrator
Nodes whose utilization is above the value configured in critical Threshold.	Critical	Kubernetes:NodeMemoryUtilizationCritical	None
Nodes whose utilization is above the value configured in warning Threshold.	Warning	Kubernetes:NodeMemoryUtilizationWarning	None

*Note: the unit is percentage.

Kubernetes Node Network Receive

Purpose

This rule detects abnormal Network Receive Rate in bytes/second for Nodes, and fire alarm on different severities. It is enabled by default. You can change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubeNodeNetwork

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Nodes whose utilization is above the value configured in fatal Threshold.	Fatal	Kubernetes:NodeNetworkReceiveFatal	Send email to Kubernetes Administrator
Nodes whose utilization is above the value configured in critical Threshold.	Critical	Kubernetes:NodeNetworkReceiveCritical	None
Nodes whose utilization is above the value configured in warning Threshold.	Warning	Kubernetes:NodeNetworkReceiveWarning	None

*Note: the unit is bytes/second.

Kubernetes Node Network Send

Purpose

This rule detects abnormal Network Send Rate in bytes/second for Nodes, and fire alarm on different severities. It is enabled by default. You can change value of the registry variables or use your own value to change the threshold of each severities.

Scope

KubeNodeNetwork

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Nodes whose utilization is above the value configured in fatal Threshold.	Fatal	Kubernetes:NodeNetworkSendFatal	Send email to Kubernetes Administrator
Nodes whose utilization is above the value configured in critical Threshold.	Critical	Kubernetes:NodeNetworkSendCritical	None
Nodes whose utilization is above the value configured in warning Threshold.	Warning	Kubernetes:NodeNetworkSendWarning	None

*Note: the unit is bytes/second.

Kubernetes Node Network Transfer

Purpose

Periodically check Kubernetes node Network Transfer Rate in bytes/second, if the value is too high and changes too much, then an alarm will be triggered.

Scope

KubeNodeNetwork

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Nodes whose usage is about to reach the limit, the ration is above the value configured in fatal Threshold.	Fatal	Kubernetes: NodeNetworkTransferFatal	Send email to Kubernetes Administrator
Nodes whose usage is about to reach the limit, the ration is above the value configured in critical Threshold.	Critical	Kubernetes: NodeNetworkTransferCritical	None
Nodes whose usage is about to reach the limit, the ration is above the value configured in warning Threshold.	Warning	Kubernetes: NodeNetworkTransferWarning	None

*Note: the unit is bytes/second.

Kubernetes Node Filesystem Utilization

Purpose

Periodically check Kubernetes node Filesystem Utilization, if the value is too high and changes too much, then an alarm will be triggered.

Scope

KubeNodeFilesystem

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Nodes whose usage is about to reach the limit, the ration is above the value configured in fatal Threshold.	Fatal	KubeNodeFilesystemUtilizationFatal	Send email to Kubernetes Administrator
Nodes whose usage is about to reach the limit, the ration is above the value configured in critical Threshold.	Critical	KubeNodeFilesystemUtilizationCritical	None
Nodes whose usage is about to reach the limit, the ration is above the value configured in warning Threshold.	Warning	KubeNodeFilesystemUtilizationWarning	None

*Note: the unit is percentage.

Kubernetes Container CPU Utilization

Purpose

This rule checks Kubernetes container CPU utilization to see if it reaches the defined threshold. The CPU utilization rule only works for container that configures CPU limit.

Scope

KubeContainerCpu

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Containers whose usage is about to reach the limit, the ration is above the value configured in fatal Threshold.	Fatal	Kubernetes:ContainerCpuUtilizationFatal	Send email to Kubernetes Administrator
Containers whose usage is about to reach the limit, the ration is above the value configured in critical Threshold.	Critical	Kubernetes:ContainerCpuUtilizationCritical	None
Containers whose usage is about to reach the limit, the ration is above the value configured in warning Threshold.	Warning	Kubernetes:ContainerCpuUtilizationWarning	None

*Note: the unit is percentage.

Kubernetes Container Memory Utilization

Purpose

This rule checks Kubernetes container Memory utilization to see if it reaches the defined threshold. The Memory utilization rule only works for container that configures Memory limit.

Scope

KubeContainerMemory

Conditions and Severities


Conditions	Severity	Threshold (Registry Variable)*	Action
Containers whose usage is about to reach the limit, the ration is above the value configured in fatal Threshold.	Fatal	Kubernetes: ContainerMemoryUtilizationFatal	Send email to Kubernetes Administrator
Containers whose usage is about to reach the limit, the ration is above the value configured in critical Threshold.	Critical	Kubernetes: ContainerMemoryUtilizationCritical	None
Containers whose usage is about to reach the limit, the ration is above the value configured in warning Threshold.	Warning	Kubernetes: ContainerMemoryUtilizationWarning	None

*Note: the unit is percentage.

Docker Swarm

All rules are controlled by registry variable Docker:AlertSensitivity. If the value is 0, then no alarm can be fired. If the value is 1, warning level alarm can be fired. If the value is above 1, then all level alarm can be fired.

Docker Swarm Administrator email address can be configured in Registry Variable Docker:DockerAdmin.

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Foglight for Container Management 3.0 - User Guide

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Health Check

Usage

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