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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| {{- define "t8s-cluster.etcd-backup" -}} | ||
| {{- $_ := mustMerge . (pick .context "Values" "Release" "Chart") -}} | ||
| apiVersion: batch/v1 | ||
| kind: CronJob | ||
| metadata: | ||
| name: kube-etcd-backup | ||
| namespace: {{ .hosted | ternary .Release.Namespace "kube-system" }} | ||
| labels: {{- include "common.labels.standard" . | nindent 4 }} | ||
| spec: | ||
| concurrencyPolicy: Forbid | ||
| failedJobsHistoryLimit: 10 | ||
| successfulJobsHistoryLimit: 1 | ||
| schedule: '0 0 * * *' | ||
| jobTemplate: | ||
| spec: | ||
| backoffLimit: 6 | ||
| template: | ||
| spec: | ||
| initContainers: | ||
| - name: etcd-backup | ||
| command: | ||
| - sh | ||
| - -ec | ||
| - | | ||
| etcdctl snapshot save /tmp/etcd-snapshot.db --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/peer.crt --key=/etc/kubernetes/pki/etcd/peer.key | ||
| etcdctl snapshot status -w table /tmp/etcd-snapshot.db | ||
| env: | ||
| - name: ETCDCTL_API | ||
| value: "3" | ||
| - name: ETCDCTL_ENDPOINTS | ||
| value: {{ .hosted | ternary (printf "kmc-%s-etcd:2379" .Release.Name) "localhost:2379" }} | ||
| image: {{ include "common.images.image" (dict "imageRoot" .Values.global.etcd.image "global" .Values.global) }} | ||
| imagePullPolicy: IfNotPresent | ||
| securityContext: | ||
| runAsGroup: 1000 | ||
| runAsUser: {{ .hosted | ternary 1000 0 }} | ||
| runAsNonRoot: {{ .hosted }} | ||
| privileged: false | ||
| allowPrivilegeEscalation: false | ||
| seccompProfile: | ||
| type: RuntimeDefault | ||
| capabilities: | ||
| drop: | ||
| - ALL | ||
| readOnlyRootFilesystem: true | ||
| volumeMounts: | ||
| - mountPath: /etc/kubernetes/pki/etcd | ||
| name: etcd-certs | ||
| readOnly: true | ||
| containers: | ||
| - name: upload-backup | ||
| command: | ||
| - bash | ||
| - -xec | ||
| - mc cp /tmp/etcd-snapshot.db container/$(S3_BUCKET)/$(date --iso-8601=hours).db | ||
| env: | ||
| - name: S3_HOST | ||
| valueFrom: | ||
| secretKeyRef: | ||
| key: host | ||
| name: etcd-backup-config | ||
| - name: S3_PORT | ||
| valueFrom: | ||
| secretKeyRef: | ||
| key: port | ||
| name: etcd-backup-config | ||
| - name: S3_ACCESS_KEY_ID | ||
| valueFrom: | ||
| secretKeyRef: | ||
| key: access_key_id | ||
| name: etcd-backup-config | ||
| - name: S3_SECRET_ACCESS_KEY | ||
| valueFrom: | ||
| secretKeyRef: | ||
| key: secret_access_key | ||
| name: etcd-backup-config | ||
| - name: S3_BUCKET | ||
| valueFrom: | ||
| secretKeyRef: | ||
| key: bucket | ||
| name: etcd-backup-config | ||
| - name: MC_HOST_container | ||
| value: https://$(S3_ACCESS_KEY_ID):$(S3_SECRET_ACCESS_KEY)@$(S3_HOST):$(S3_PORT) | ||
| - name: MC_CONFIG_DIR | ||
| value: /tmp/wtf-mc | ||
| image: {{ include "common.images.image" (dict "imageRoot" .Values.global.minioCli.image "global" .Values.global) }} | ||
| imagePullPolicy: IfNotPresent | ||
| securityContext: | ||
| runAsGroup: 1000 | ||
| runAsUser: {{ .hosted | ternary 1000 0 }} | ||
| runAsNonRoot: {{ .hosted }} | ||
| privileged: false | ||
| allowPrivilegeEscalation: false | ||
| seccompProfile: | ||
| type: RuntimeDefault | ||
| capabilities: | ||
| drop: | ||
| - ALL | ||
| readOnlyRootFilesystem: true | ||
| volumeMounts: | ||
| - mountPath: /tmp/etcd-snapshot.db | ||
| name: tmp | ||
| subPath: etcd-snapshot.db | ||
| readOnly: true | ||
| - mountPath: /tmp/wtf-mc | ||
| name: tmp | ||
| subPath: wtf-mc | ||
| dnsPolicy: ClusterFirst | ||
| hostNetwork: true | ||
| nodeSelector: | ||
| node-role.kubernetes.io/control-plane: "" | ||
| restartPolicy: OnFailure | ||
| {{- if not .hosted }} | ||
| hostNetwork: true | ||
| nodeSelector: | ||
| node-role.kubernetes.io/control-plane: "" | ||
| tolerations: | ||
| - effect: NoSchedule | ||
| key: node-role.kubernetes.io/control-plane | ||
| operator: Exists | ||
| - effect: NoSchedule | ||
| key: node-role.kubernetes.io/master | ||
| operator: Exists | ||
| {{- end }} | ||
| volumes: | ||
| - name: etcd-certs | ||
| {{- if .hosted }} | ||
| projected: | ||
| defaultMode: 420 | ||
| sources: | ||
| - secret: | ||
| items: | ||
| - key: tls.crt | ||
| path: ca.crt | ||
| name: {{ printf "%s-etcd" .Release.Name }} | ||
| - secret: | ||
| items: | ||
| - key: tls.crt | ||
| path: peer.crt | ||
| - key: tls.key | ||
| path: peer.key | ||
| name: {{ printf "%s-etcd-peer" .Release.Name }} | ||
| {{- else }} | ||
| hostPath: | ||
| path: /etc/kubernetes/pki/etcd | ||
| type: Directory | ||
| {{- end }} | ||
| - emptyDir: {} | ||
| name: tmp | ||
| {{- end -}} |
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3
charts/t8s-cluster/templates/management-cluster/etcd-backup.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| {{- if .Values.controlPlane.hosted -}} | ||
| {{- include "t8s-cluster.etcd-backup" (dict "context" $ "hosted" true) | nindent 0 -}} | ||
| {{- end -}} |
3 changes: 3 additions & 0 deletions
3
charts/t8s-cluster/templates/workload-cluster/etcd-backup.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| {{- if not .Values.controlPlane.hosted -}} | ||
| {{- include "t8s-cluster.helm.resourceIntoCluster" (dict "name" "etcd-backup" "resource" (include "t8s-cluster.etcd-backup" (dict "context" $ "hosted" false)) "context" $ "additionalLabels" (dict "app.kubernetes.io/component" "etcd")) | nindent 0 -}} | ||
| {{- end -}} |
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