a2d70b146a
* Add a Helm chart for a cronjob for doing etcd defrag * Add HelmRelease to deploy etcd defrag cronjob onto clusters * Use charts from the repository in tests * Clarify comment in values * Reinstate pull_request_target
60 lines
2.5 KiB
YAML
60 lines
2.5 KiB
YAML
apiVersion: batch/v1
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kind: CronJob
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metadata:
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name: {{ include "etcd-defrag.fullname" . }}
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labels: {{ include "etcd-defrag.labels" . | nindent 4 }}
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spec:
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schedule: {{ .Values.schedule | quote }}
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startingDeadlineSeconds: {{ .Values.startingDeadlineSeconds }}
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# Prevent the next job from stomping on one that hasn't finished yet
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concurrencyPolicy: Forbid
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jobTemplate:
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spec:
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backoffLimit: {{ .Values.backoffLimit }}
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activeDeadlineSeconds: {{ .Values.activeDeadlineSeconds }}
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template:
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spec:
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restartPolicy: Never
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serviceAccountName: {{ include "etcd-defrag.fullname" . }}
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{{- with .Values.imagePullSecrets }}
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imagePullSecrets: {{ toYaml . | nindent 12 }}
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{{- end }}
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securityContext: {{ toYaml .Values.podSecurityContext | nindent 12 }}
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containers:
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- name: {{ .Chart.Name }}
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image: {{
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.Values.image.tag |
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default (printf "%s.%s" .Capabilities.KubeVersion.Major .Capabilities.KubeVersion.Minor) |
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printf "%s:%s" .Values.image.repository
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}}
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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# We run the defrag by execing into one of the etcd pods
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command:
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- bash
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- -c
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- |
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set -e
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POD_NAME="$(
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kubectl get pod \
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--namespace {{ .Release.Namespace }} \
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--selector component=etcd \
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--output go-template='{{ "{{" }}(index .items 0).metadata.name{{ "}}" }}'
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)"
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kubectl exec --namespace {{ .Release.Namespace }} "$POD_NAME" -- \
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etcdctl defrag \
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--cluster \
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--cacert /etc/kubernetes/pki/etcd/ca.crt \
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--cert /etc/kubernetes/pki/etcd/server.crt \
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--key /etc/kubernetes/pki/etcd/server.key
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securityContext: {{ toYaml .Values.securityContext | nindent 16 }}
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resources: {{ toYaml .Values.resources | nindent 16 }}
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{{- with .Values.nodeSelector }}
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nodeSelector: {{ toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity: {{ toYaml . | nindent 12 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations: {{ toYaml . | nindent 12 }}
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{{- end }}
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