Kubernetes Downscaler

This is a helm chart for kube-downscaler deployment.

Please refer to the official documentation for its usage.

Adding Our Chart Repository

To add the Hahow charts for your local client, run helm repo add:

$ helm repo add hahow https://hahow-helm-charts.storage.googleapis.com/

Installing the Chart

To install the chart with the release name my-release:

$ helm install my-release hahow/kube-downscaler

The command deploys postgres exporter on the Kubernetes cluster in the default configuration. The configuration section lists the parameters that can be configured during installation.

Uninstalling the Chart

To uninstall/delete the my-release deployment:

$ helm delete my-release

The command removes all the Kubernetes components associated with the chart and deletes the release.

Configuration

The following table lists the configurable parameters of the Kubernetes Downscaler chart and their default values.

Parameter	Description	Default
`affinity`	Expressions for affinity.	`{}`
`defaultDowntime`	Default time range to scale down for.
`defaultUptime`	Default time range to scale up for.
`deploymentTimeAnnotation`	Name of the annotation that would be used instead of the creation timestamp of the resource.
`downscalePeriod`	Alternative logic to scale down only in given period of time.
`downtimeReplicas`	Default value of replicas to downscale to.
`excludeDeployments`	Exclude specific deployments/statefulsets/cronjobs from downscaling.
`fullnameOverride`	Override the full chart name.	`""`
`gracePeriod`	Grace period in seconds for new deployments before scaling them down.
`image.pullPolicy`	Image pull policy.	`IfNotPresent`
`image.repository`	Image repository.	`hjacobs/kube-downscaler`
`image.tag`	Image tag.	`nil` (Use `.Chart.AppVersion`)
`imagePullSecrets`	Name of Secret resource containing private registry credentials.	`[]`
`includeResources`	Downscale resources of this kind.
`nameOverride`	Override the application name.	`""`
`namespace.activeIn`	Restrict the downscaler to work only in a single namespace
`namespace.inactiveIn`	Exclude namespaces from downscaling
`nodeSelector`	Node labels for pod assignment.	`{}`
`podSecurityContext`	Security options for pod.	`{}`
`replicaCount`	Number of replica.	`1`
`resources`	CPU/Memory resource requests/limits.	`{}`
`securityContext`	Security options for container.	`{}`
`serviceAccount.annotations`	Additional service account annotations.	`{}`
`serviceAccount.create`	Specifies whether a service account should be created.	`true`
`serviceAccount.name`	Name of the service account.
`tolerations`	Toleration labels for pod assignment.	`[]`
`upscalePeriod`	Alternative logic to scale up only in given period of time.

Specify each parameter using the --set key=value[,key=value] argument to helm install. For example,

$ helm install my-release \
  --set serviceAccount.name=kube-downscaler  \
    hahow/kube-downscaler

Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,

$ helm install my-release -f values.yaml hahow/kube-downscaler