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rajiv chodisetti
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rajiv chodisetti
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assets/files/longhorn-snapshot-cleanup-8f106a216feb8a7d1bf65660f98e3311.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| apiVersion: batch/v1 | ||
| kind: CronJob | ||
| metadata: | ||
| annotations: | ||
| labels: | ||
| job: uipath-snapshot-cleanup | ||
| name: lh-snapshot-cleanup | ||
| namespace: longhorn-system | ||
| spec: | ||
| concurrencyPolicy: Forbid | ||
| failedJobsHistoryLimit: 1 | ||
| jobTemplate: | ||
| spec: | ||
| backoffLimit: 3 | ||
| template: | ||
| metadata: | ||
| labels: | ||
| job: uipath-snapshot-cleanup | ||
| name: uipath-snapshot-cleanup | ||
| spec: | ||
| containers: | ||
| - command: | ||
| - sh | ||
| args: | ||
| - -ec | ||
| - | | ||
| url=$(kubectl get svc -n longhorn-system longhorn-backend -o json | jq -r '.spec | (.clusterIP|tostring) + ":" + (.ports[0].port|tostring)') | ||
| days=-1 | ||
| [[ -z "$url" ]] && echo "Missing longhorn URL" && exit 1 | ||
| curl -s --connect-timeout 30 ${url}/v1 >> /dev/null || { echo "Unable to connect to longhorn backend"; exit 1; } | ||
| echo "Deleting snapshots older than $days days" | ||
| vols=$( (curl -s -X GET ${url}/v1/volumes |jq -r '.data[].name') ) | ||
| function delete_snapshot() { | ||
| local vol=$1 | ||
| local snap=$2 | ||
| [[ -z "$vol" || -z "$snap" ]] && echo "Error: delete_snapshot: Empty argument" && return 1 | ||
| curl -s -X POST ${url}/v1/volumes/${vol}?action=snapshotDelete -d '{"name": "'$snap'"}' | ||
| echo "Snapshot=$snap deleted for volume=$vol" | ||
| } | ||
| function cleanup_volume() { | ||
| local vol=$1 | ||
| local deleted_snap=0 | ||
| [[ -z "$vol" ]] && echo "Error: cleanup_volume: Empty argument" && return 1 | ||
| # fetch list of snapshot | ||
| snaps=$( (curl -s -X POST ${url}/v1/volumes/${vol}?action=snapshotList | jq -r '.data[] | select(.usercreated==true) | .name' ) ) | ||
| for i in ${snaps[@]}; do | ||
| if [[ $i == "volume-head" ]]; then | ||
| continue | ||
| fi | ||
| snapTime=$(curl -s -X POST ${url}/v1/volumes/${vol}?action=snapshotGet -d '{"name":"'$i'"}' |jq -r '.created') | ||
| currentTime=$(date "+%s") | ||
| timeDiff=$((($(date -d $snapTime "+%s") - $currentTime) / 86400)) | ||
| if [[ $timeDiff -lt $days ]]; then | ||
| echo "Ignoring snapshot $i, since it is older than $timeDiff days" | ||
| continue | ||
| fi | ||
| delete_snapshot $vol $i | ||
| deleted_snap=$((deleted_snap+1)) | ||
| done | ||
| if [[ "$deleted_snap" -gt 0 ]]; then | ||
| curl -s -X POST ${url}/v1/volumes/${vol}?action=snapshotPurge >> /dev/null | ||
| fi | ||
| } | ||
| for i in ${vols[@]}; do | ||
| cleanup_volume $i | ||
| done | ||
| exit 0 | ||
| env: | ||
| - name: POD_NAMESPACE | ||
| valueFrom: | ||
| fieldRef: | ||
| apiVersion: v1 | ||
| fieldPath: metadata.namespace | ||
| image: uipath/sf-k8-utils-rhel:0.9 | ||
| imagePullPolicy: IfNotPresent | ||
| name: uipath-snapshot-cleanup | ||
| resources: {} | ||
| terminationMessagePath: /dev/termination-log | ||
| terminationMessagePolicy: File | ||
| dnsPolicy: ClusterFirst | ||
| priorityClassName: system-cluster-critical | ||
| restartPolicy: OnFailure | ||
| schedulerName: default-scheduler | ||
| securityContext: {} | ||
| serviceAccount: longhorn-service-account | ||
| serviceAccountName: longhorn-service-account | ||
| terminationGracePeriodSeconds: 30 | ||
| tolerations: | ||
| - effect: NoSchedule | ||
| key: kubernetes.io/hostname | ||
| operator: Equal | ||
| value: server0 | ||
| schedule: '* 11 * * * ' | ||
| successfulJobsHistoryLimit: 1 | ||
| suspend: false |
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