stable/node-problem-detector
⚠️ Repo Archive Notice
As of Nov 13, 2020, charts in this repo will no longer be updated. For more information, see the Helm Charts Deprecation and Archive Notice, and Update.
DEPRECATED This repository has moved
With upcoming deprecation of helm/charts repository, the Node Problem Detector Helm Chart has moved to Delivery Hero’s Helm Repository: https://github.com/deliveryhero/helm-charts
You can use this new Helm repository by doing:
helm repo add deliveryhero https://charts.deliveryhero.io/public
helm search repo deliveryhero
You can now use deliveryhero/node-problem-detector instead of stable/node-problem-detector in all your Helm commands, e.g.:
# New installation
helm install --name <RELEASE_NAME> deliveryhero/node-problem-detector
# Upgrade existing installation
helm upgrade --name <RELEASE_NAME> deliveryhero/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.