vmbackup as kubernetes sidecar

README.md

Snippets show example how to use vmbackup as kubernetes sidecar

Build image with cron

# copy or download dockerfile
wget  https://gist.githubusercontent.com/f41gh7/98ad3323cbdd46476595b6a8b753cce9/raw/83df07d56bf36cdba019e6663ee77c1e1649a7a1/cron-vmbackup.Dockerfile

# edit args for your vmbackup config at docker file

# build image
docker build -t my-cron-vmbackup -f cron-vmbackup.Dockerfile .
# push to own docker repo image
docker push  my-cron-vmbackup

Use it as sidecar

add cron-backup container to your vmstorage or vmsingle kubernetes configuration. Example provided at vmstorage.yaml

cron-vmbackup.Dockerfile

FROM victoriametrics/vmbackup:v1.64.0 as backup

FROM amd64/alpine:3.14.0

COPY --from=backup /vmbackup-prod /bin/vmbackup

RUN apk add tini --no-cache && \
     echo '*  *  *  *  *    vmbackup --dst fs://tmp/backups --snapshot.createURL=http://localhost:8482/snapshot/create --snapshot.deleteURL=http://localhost:8482/snapshot/delete_all --storageDataPath=/victoria-metrics-data' > /etc/crontabs/root

ENTRYPOINT ["/sbin/tini", "--"]
CMD ["/usr/sbin/crond", "-f"]

vmstorage.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: vmstorage-example  namespace: default
spec:
  podManagementPolicy: Parallel
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app.kubernetes.io/instance: example
      app.kubernetes.io/name: vmstorage
  serviceName: vmstorage-example
  template:
    metadata:
      labels:
        app.kubernetes.io/instance: example
        app.kubernetes.io/name: vmstorage
    spec:
      containers:
      - args:
        - -retentionPeriod=4
        - -storageDataPath=/vm-data
        image: victoriametrics/vmstorage:v1.64.0-cluster
        name: vmstorage
        ports:
        - containerPort: 8482
          name: http
          protocol: TCP
        - containerPort: 8400
          name: vminsert
          protocol: TCP
        - containerPort: 8401
          name: vmselect
          protocol: TCP
        volumeMounts:
        - mountPath: /vm-data
          name: vmstorage-db
      - image: my-cron-vmbackup
        name: cron-backup
        volumeMounts:
        - mountPath: /victoria-metrics-data
          name: vmstorage-db
  volumeClaimTemplates:
  - apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
      name: vmstorage-db
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 10Gi
      volumeMode: Filesystem