mirror of https://git.rancher.io/rke2-charts
40 lines
2.5 KiB
Markdown
40 lines
2.5 KiB
Markdown
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# metrics-server
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[Metrics Server](https://github.com/kubernetes-incubator/metrics-server) is a cluster-wide aggregator of resource usage data. Resource metrics are used by components like `kubectl top` and the [Horizontal Pod Autoscaler](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale) to scale workloads. To autoscale based upon a custom metric, see the [Prometheus Adapter chart](https://github.com/helm/charts/blob/master/stable/prometheus-adapter).
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## Configuration
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Parameter | Description | Default
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--- | --- | ---
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`rbac.create` | Enable Role-based authentication | `true`
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`rbac.pspEnabled` | Enable pod security policy support | `false`
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`serviceAccount.create` | If `true`, create a new service account | `true`
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`serviceAccount.name` | Service account to be used. If not set and `serviceAccount.create` is `true`, a name is generated using the fullname template | ``
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`apiService.create` | Create the v1beta1.metrics.k8s.io API service | `true`
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`hostNetwork.enabled` | Enable hostNetwork mode | `false`
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`image.repository` | Image repository | `k8s.gcr.io/metrics-server-amd64`
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`image.tag` | Image tag | `v0.3.2`
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`image.pullPolicy` | Image pull policy | `IfNotPresent`
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`imagePullSecrets` | Image pull secrets | `[]`
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`args` | Command line arguments | `[]`
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`resources` | CPU/Memory resource requests/limits. | `{}`
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`tolerations` | List of node taints to tolerate (requires Kubernetes >=1.6) | `[]`
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`nodeSelector` | Node labels for pod assignment | `{}`
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`affinity` | Node affinity | `{}`
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`replicas` | Number of replicas | `1`
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`extraVolumeMounts` | Ability to provide volume mounts to the pod | `[]`
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`extraVolumes` | Ability to provide volumes to the pod | `[]`
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`livenessProbe` | Container liveness probe | See values.yaml
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`podLabels` | Labels to be added to pods | `{}`
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`podAnnotations` | Annotations to be added to pods | `{}`
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`priorityClassName` | Pod priority class | `""`
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`readinessProbe` | Container readiness probe | See values.yaml
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`service.annotations` | Annotations to add to the service | `{}`
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`service.labels` | Labels to be added to the metrics-server service | `{}`
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`service.port` | Service port to expose | `443`
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`service.type` | Type of service to create | `ClusterIP`
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`podDisruptionBudget.enabled` | Create a PodDisruptionBudget | `false`
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`podDisruptionBudget.minAvailable` | Minimum available instances; ignored if there is no PodDisruptionBudget |
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`podDisruptionBudget.maxUnavailable` | Maximum unavailable instances; ignored if there is no PodDisruptionBudget |
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`extraContainers` | Add additional containers | `[]`
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