f94aed3c7a
This chart creates a cronjob which monitors the expiry of the certificates created by jetstack cert-manager. It rotates the certificates and restarts the pods that mounts the certificate secrets so that the new certificate can take effect. Change-Id: I492b5f319cf0f2e7ccbbcf516953e17aafc1c59f
121 lines
4.0 KiB
YAML
121 lines
4.0 KiB
YAML
{{/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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{{- if .Values.manifests.cron_job_cert_rotate}}
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{{- $envAll := . }}
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{{- $serviceAccountName := "cert-rotate-cron" }}
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{{ tuple $envAll "cert_rotate" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: Role
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metadata:
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name: {{ $serviceAccountName }}
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rules:
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- apiGroups:
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- cert-manager.io
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resources:
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- certificates
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verbs:
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- get
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- list
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- update
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- patch
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- apiGroups:
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- "*"
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resources:
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- pods
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- secrets
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- jobs
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- statefulsets
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- daemonsets
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- deployments
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verbs:
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- get
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- list
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- update
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- patch
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- delete
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: RoleBinding
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metadata:
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name: {{ $serviceAccountName }}
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: Role
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name: {{ $serviceAccountName }}
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subjects:
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- kind: ServiceAccount
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name: {{ $serviceAccountName }}
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namespace: {{ $envAll.Release.Namespace }}
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---
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apiVersion: batch/v1beta1
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kind: CronJob
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metadata:
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name: cert-rotate
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annotations:
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
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labels:
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{{ tuple $envAll "cert-manager" "cert-rotate-cron" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
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spec:
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suspend: {{ .Values.jobs.rotate.suspend }}
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schedule: {{ .Values.jobs.rotate.cron | quote }}
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successfulJobsHistoryLimit: {{ .Values.jobs.rotate.history.success }}
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failedJobsHistoryLimit: {{ .Values.jobs.rotate.history.failed }}
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{{- if .Values.jobs.rotate.starting_deadline }}
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startingDeadlineSeconds: {{ .Values.jobs.rotate.starting_deadline }}
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{{- end }}
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concurrencyPolicy: Forbid
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jobTemplate:
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metadata:
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labels:
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{{ tuple $envAll "cert-manager" "cert-rotate" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
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spec:
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template:
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metadata:
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labels:
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{{ tuple $envAll "cert-manager" "cert-rotate" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 12 }}
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spec:
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serviceAccountName: {{ $serviceAccountName }}
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{{ dict "envAll" $envAll "application" "cert_rotate" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 10 }}
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restartPolicy: OnFailure
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nodeSelector:
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{{ .Values.labels.job.node_selector_key }}: {{ .Values.labels.job.node_selector_value }}
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initContainers:
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{{ tuple $envAll "cert_rotate" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 12 }}
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containers:
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- name: cert-rotate
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{{ tuple $envAll "cert_rotation" | include "helm-toolkit.snippets.image" | indent 14 }}
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{{ tuple $envAll $envAll.Values.pod.resources.jobs.cert_rotate | include "helm-toolkit.snippets.kubernetes_resources" | indent 14 }}
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{{ dict "envAll" $envAll "application" "cert_rotate" "container" "cert_rotate" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 14 }}
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command:
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- /tmp/rotate-certs.sh
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- rotate_cron
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volumeMounts:
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- name: pod-tmp
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mountPath: /tmp
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- name: cert-rotate-bin
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mountPath: /tmp/rotate-certs.sh
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subPath: rotate-certs.sh
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readOnly: true
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volumes:
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- name: pod-tmp
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emptyDir: {}
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- name: cert-rotate-bin
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configMap:
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name: cert-rotate-bin
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defaultMode: 0555
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{{- end }}
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