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Merge pull request #582 from praxist/helm-deployment

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Update helm chart for running as deployment
This commit is contained in:
Kubernetes Prow Robot
2021-08-12 07:29:47 -07:00
committed by GitHub
parent 64d7901d82 38c0f1c639
commit b7100ad871
5 changed files with 94 additions and 2 deletions
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2
charts/descheduler/README.md
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@@ -45,6 +45,7 @@ The following table lists the configurable parameters of the _descheduler_ chart
| Parameter | Description | Default |
| ------------------------------ | --------------------------------------------------------------------------------------------------------------------- | ------------------------------------ |
| `kind` | Use as CronJob or Deployment | `CronJob` |
| `image.repository` | Docker repository to use | `k8s.gcr.io/descheduler/descheduler` |
| `image.tag` | Docker tag to use | `v[chart appVersion]` |
| `image.pullPolicy` | Docker image pull policy | `IfNotPresent` |
@@ -56,6 +57,7 @@ The following table lists the configurable parameters of the _descheduler_ chart
| `startingDeadlineSeconds` | If set, configure `startingDeadlineSeconds` for the _descheduler_ job | `nil` |
| `successfulJobsHistoryLimit` | If set, configure `successfulJobsHistoryLimit` for the _descheduler_ job | `nil` |
| `failedJobsHistoryLimit` | If set, configure `failedJobsHistoryLimit` for the _descheduler_ job | `nil` |
| `deschedulingInterval` | If using kind:Deployment, sets time between consecutive descheduler executions. | `5m` |
| `cmdOptions` | The options to pass to the _descheduler_ command | _see values.yaml_ |
| `deschedulerPolicy.strategies` | The _descheduler_ strategies to apply | _see values.yaml_ |
| `priorityClassName` | The name of the priority class to add to pods | `system-cluster-critical` |

8
charts/descheduler/templates/_helpers.tpl
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@@ -44,6 +44,14 @@ app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- end -}}
{{/*
Selector labels
*/}}
{{- define "descheduler.selectorLabels" -}}
app.kubernetes.io/name: {{ include "descheduler.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end -}}
{{/*
Create the name of the service account to use
*/}}

5
charts/descheduler/templates/cronjob.yaml
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@@ -1,3 +1,4 @@
{{- if eq .Values.kind "CronJob" }}
apiVersion: {{ .Values.cronJobApiVersion | default "batch/v1" }}
kind: CronJob
metadata:
@@ -27,8 +28,7 @@ spec:
{{- .Values.podAnnotations | toYaml | nindent 12 }}
{{- end }}
labels:
app.kubernetes.io/name: {{ include "descheduler.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- include "descheduler.selectorLabels" . | nindent 12 }}
{{- if .Values.podLabels }}
{{- .Values.podLabels | toYaml | nindent 12 }}
{{- end }}
@@ -82,3 +82,4 @@ spec:
- name: policy-volume
configMap:
name: {{ template "descheduler.fullname" . }}
{{- end }}

75
charts/descheduler/templates/deployment.yaml Normal file
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@@ -0,0 +1,75 @@
{{- if eq .Values.kind "Deployment" }}
apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "descheduler.fullname" . }}
labels:
{{- include "descheduler.labels" . | nindent 4 }}
spec:
replicas: 1
selector:
matchLabels:
{{- include "descheduler.selectorLabels" . | nindent 6 }}
template:
metadata:
labels:
{{- include "descheduler.selectorLabels" . | nindent 8 }}
{{- if .Values.podLabels }}
{{- .Values.podLabels | toYaml | nindent 8 }}
{{- end }}
annotations:
checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
{{- if .Values.podAnnotations }}
{{- .Values.podAnnotations | toYaml | nindent 8 }}
{{- end }}
spec:
{{- if .Values.priorityClassName }}
priorityClassName: {{ .Values.priorityClassName }}
{{- end }}
serviceAccountName: {{ template "descheduler.serviceAccountName" . }}
containers:
- name: {{ .Chart.Name }}
image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default (printf "v%s" .Chart.AppVersion) }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
command:
- "/bin/descheduler"
args:
- "--policy-config-file"
- "/policy-dir/policy.yaml"
- "--descheduling-interval"
- {{ required "deschedulingInterval required for running as Deployment" .Values.deschedulingInterval }}
{{- range $key, $value := .Values.cmdOptions }}
- {{ printf "--%s" $key | quote }}
{{- if $value }}
- {{ $value | quote }}
{{- end }}
{{- end }}
ports:
- containerPort: 10258
protocol: TCP
resources:
{{- toYaml .Values.resources | nindent 12 }}
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop:
- ALL
privileged: false
readOnlyRootFilesystem: true
runAsNonRoot: true
volumeMounts:
- mountPath: /policy-dir
name: policy-volume
volumes:
- name: policy-volume
configMap:
name: {{ template "descheduler.fullname" . }}
{{- with .Values.nodeSelector }}
nodeSelector:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.tolerations }}
tolerations:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- end }}

6
charts/descheduler/values.yaml
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@@ -2,6 +2,9 @@
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.
# CronJob or Deployment
kind: CronJob
image:
repository: k8s.gcr.io/descheduler/descheduler
# Overrides the image tag whose default is the chart version
@@ -27,6 +30,9 @@ schedule: "*/2 * * * *"
#successfulJobsHistoryLimit: 1
#failedJobsHistoryLimit: 1
# Required when running as a Deployment
deschedulingInterval: 5m
cmdOptions:
v: 3
# evict-local-storage-pods: