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[stable/heapster] Add heapster to chart repository (#680)
* [stable/heapster] Add heapster to chart repository * [stable/heapster] bump heapster to v1.3.0 * [stable/heapster] minor fixes to the README * [stable/heapster] Use consistent service - notes now use consistent service name - small changes to README.md * [stable/heapster] Adds service name overide option
This commit is contained in:
jose5918
Vic Iglesias
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apiVersion: v1
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description: Heapster enables Container Cluster Monitoring and Performance Analysis.
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name: heapster
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version: 0.1.0
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sources:
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- https://github.com/kubernetes/heapster
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- https://github.com/kubernetes/contrib/tree/master/addon-resizer
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keywords:
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- metrics
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- cadvisor
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- monitoring
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maintainers:
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- name: Jose Aguirre
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email: jose.g.aguirre@intel.com
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engine: gotpl
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# Heapster
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[Heapster](https://github.com/kubernetes/heapster) enables Container Cluster Monitoring and Performance Analysis. It collects and interprets various signals like compute resource usage, lifecycle events, etc, and exports cluster metrics via REST endpoints.
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## QuickStart
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```bash
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$ helm install stable/heapster
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```
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## Installing the Chart
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To install the chart with the release name `my-release`:
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```bash
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$ helm install --name my-release stable/heapster
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```
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## Uninstalling the Chart
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To uninstall/delete the `my-release` deployment:
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```bash
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$ helm delete my-release --purge
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```
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The command removes all the Kubernetes components associated with the chart and deletes the release.
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## Configuration
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The default configuration values for this chart are listed in `values.yaml`.
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| Parameter | Description | Default |
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|---------------------------------------|-------------------------------------|---------------------------------------------------|
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| `image.repository` | Repository for container image | gcr.io/google_containers/heapster |
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| `image.tag` | Container image tag | v1.3.0 |
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| `image.pullPolicy` | Image pull policy | IfNotPresent |
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| `service.name` | Service port name | api |
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| `service.type` | Type for the service | ClusterIP |
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| `service.externalPort` | Service external port | 8082 |
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| `service.internalPort` | Service internal port | 8082 |
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| `resources.limits` | Server resource limits | requests: {cpu: 100m, memory: 128Mi} |
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| `resources.requests` | Server resource requests | requests: {cpu: 100m, memory: 128Mi} |
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| `command` | Commands for heapster pod | "/heapster --source=kubernetes.summary_api:'' |
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| `resizer.enabled` | If enabled, scale resources | true |
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The table below is only applicable if `resizer.enabled` is `true`. More information on resizer can be found [here](https://github.com/kubernetes/contrib/blob/master/addon-resizer/README.md).
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| Parameter | Description | Default |
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|---------------------------------------|-------------------------------------|---------------------------------------------------|
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| `resizer.image.repository` | Repository for container image | gcr.io/google_containers/addon-resizer |
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| `resizer.image.tag` | Container image tag | 1.7 |
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| `resizer.image.pullPolicy` | Image pull policy | IfNotPresent |
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| `resizer.resources.limits` | Server resource limits | requests: {cpu: 50m, memory: 90Mi} |
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| `resizer.resources.requests` | Server resource requests | requests: {cpu: 50m, memory: 90Mi} |
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| `resizer.flags` | Flags for pod nanny command | Defaults set in values.yaml |
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1. Get the application URL by running these commands:
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{{- if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "service.fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo http://$NODE_IP:$NODE_PORT/
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get svc -w {{ template "service.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "service.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
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echo http://$SERVICE_IP:{{ .Values.service.externalPort }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "service.fullname" . }}" -o jsonpath="{.items[0].metadata.name}")
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kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME {{ .Values.service.externalPort }}
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{{- end }}
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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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*/}}
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{{- define "fullname" -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a service name that defaults to app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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*/}}
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{{- define "service.fullname" -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- .Values.service.nameOverride | default (printf "%s-%s" .Release.Name $name) | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: {{ template "fullname" . }}
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labels:
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chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
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spec:
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replicas: {{ .Values.replicaCount }}
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template:
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metadata:
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labels:
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app: {{ template "fullname" . }}
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spec:
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containers:
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- name: {{ .Chart.Name }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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ports:
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- containerPort: {{ .Values.service.internalPort }}
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livenessProbe:
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httpGet:
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path: /healthz
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port: {{ .Values.service.internalPort }}
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initialDelaySeconds: 180
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timeoutSeconds: 5
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resources:
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{{ toYaml .Values.resources | indent 12 }}
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command:
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{{- range .Values.command }}
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- {{ . | quote }}
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{{- end }}
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{{ if .Values.resizer.enabled }}
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- name: {{ .Chart.Name }}-nanny
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{{ with .Values.resizer }}
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image: "{{ .image.repository }}:{{ .image.tag }}"
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imagePullPolicy: {{ .image.pullPolicy }}
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resources:
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{{ toYaml .resources | indent 12 }}
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env:
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- name: MY_POD_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: MY_POD_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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{{- end }}
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command:
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- "/pod_nanny"
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- "--deployment={{ template "fullname" . }}"
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- "--container={{ .Chart.Name }}"
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{{- range .Values.resizer.flags }}
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- {{ . | quote }}
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{{- end }}
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{{- end -}}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ template "service.fullname" . }}
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labels:
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chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
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app: {{ template "fullname" . }}
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heritage: "{{ .Release.Service }}"
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release: "{{ .Release.Name }}"
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.externalPort }}
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targetPort: {{ .Values.service.internalPort }}
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protocol: TCP
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selector:
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app: {{ template "fullname" . }}
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@@ -0,0 +1,61 @@
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## Default values for heapster.
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##
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replicaCount: 1
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image:
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repository: gcr.io/google_containers/heapster
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tag: v1.3.0
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pullPolicy: IfNotPresent
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service:
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type: ClusterIP
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externalPort: 8082
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internalPort: 8082
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## This allows an overide of the heapster service name
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## Default: {{ template "fullname" . }}
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# nameOverride:
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resources:
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limits:
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cpu: 100m
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memory: 128Mi
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requests:
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cpu: 100m
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memory: 128Mi
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## Heapster command and arguments
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## Default source=kubernetes.summary_api:''
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## ref: https://github.com/kubernetes/heapster/blob/master/docs/source-configuration.md
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##
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## By default sink not set
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## ref: https://github.com/kubernetes/heapster/blob/master/docs/sink-configuration.md
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##
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command:
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- "/heapster"
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- "--source=kubernetes.summary_api:''"
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## Resizer scales resources linearly with the number of nodes in the cluster
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## Resizer is enabled by default
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##
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resizer:
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enabled: true
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image:
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repository: gcr.io/google_containers/addon-resizer
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tag: 1.7
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pullPolicy: IfNotPresent
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resources:
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limits:
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cpu: 50m
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memory: 90Mi
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requests:
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cpu: 50m
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memory: 90Mi
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## Flags used for /pod_nanny command
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## container and deployment flags already determined chart name
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## ref: https://github.com/kubernetes/contrib/blob/master/addon-resizer/README.md
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##
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flags:
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- "--cpu=150m"
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- "--extra-cpu=10m"
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- "--memory=200Mi"
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- "--extra-memory=6Mi"
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- "--threshold=5"
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- "--poll-period=300000"
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