deprecated-helm-charts/stable/node-problem-detector

Kubernetes Node Problem Detector

This chart installs a node-problem-detector daemonset. This tool aims to make various node problems visible to the upstream layers in cluster management stack. It is a daemon which runs on each node, detects node problems and reports them to apiserver.

TL;DR;

$ helm install stable/node-problem-detector

Prerequisites

• Kubernetes 1.9+ with Beta APIs enabled

Installing the Chart

To install the chart with the release name my-release and default configuration:

$ helm install my-release stable/node-problem-detector

To install the chart with the release name my-release and custom configuration with yaml a file in the kube-system namespace:

$ helm install my-release stable/node-problem-detector --values values.yaml --namespace kube-system

Uninstalling the Chart

To delete the chart:

$ helm delete my-release

Configuration

Custom System log monitor config files can be created, see here for examples.

The following table lists the configurable parameters for this chart and their default values.

Parameter	Description	Default
affinity	Map of node/pod affinities	{}
annotations	Optional daemonset annotations	{}
fullnameOverride	Override the fullname of the chart	nil
image.pullPolicy	Image pull policy	IfNotPresent
image.repository	Image	k8s.gcr.io/node-problem-detector
image.tag	Image tag	v0.8.1
hostpath.logdir	Log directory path on K8s host	/var/log
nameOverride	Override the name of the chart	nil
rbac.create	RBAC	true
rbac.pspEnabled	PodSecuritypolicy	false
hostNetwork	Run pod on host network	false
priorityClassName	Priority class name	""
securityContext	Pod security context	{privileged: true}
resources	Pod resource requests and limits	{}
settings.custom_monitor_definitions	User-specified custom monitor definitions	{}
settings.log_monitors	System log monitor config files	[/config/kernel-monitor.json, /config/docker-monitor.json]
settings.custom_plugin_monitors	Custom plugin monitor config files	[]
settings.prometheus_address	Prometheus exporter address	0.0.0.0
settings.prometheus_port	Prometheus exporter port	20257
settings.heartBeatPeriod	Syncing interval with API server	5m0s
serviceAccount.create	Whether a ServiceAccount should be created	true
serviceAccount.name	Name of the ServiceAccount to create	Generated value from template
tolerations	Optional daemonset tolerations	[{effect: NoSchedule, operator: Exists}]
nodeSelector	Optional daemonset nodeSelector	{}
env	Optional daemonset environment variables	[]
labels	Optional daemonset labels	{}
extraVolumes	Optional daemonset volumes to add	[]
extraVolumeMounts	Optional daemonset volumeMounts to add	[]
updateStrategy	Manage the daemonset update strategy	RollingUpdate
maxUnavailable	The max pods unavailable during an update	1

Specify each parameter using the --set key=value[,key=value] argument to helm install or provide a YAML file containing the values for the above parameters.