Backup all k8s resources per namespace into Minio bucket

velero-backup-without-pv-snapshot.sh

# using velero
# backup k8s resources per namespace without pv snapshot
# required: velero server & client are installed

NAMESPACES=`kubectl get ns | grep -v NAME | awk '{ print $1 }'`
EXCEPT_NAMESPACES=(velero)
BUCKET_LOCATION=default

for NAMESPACE in $NAMESPACES; do
  skip_flag=false
  for EXCEPT_NAMESPACE in ${EXCEPT_NAMESPACES[@]}; do
    if [[ $NAMESPACE =~ $EXCEPT_NAMESPACE ]]; then
      skip_flag=true
      break
    fi
  done
  if [[ $skip_flag == true ]]; then
    echo Skip Backup All Resources in ${NAMESPACE}~
    continue
  fi

  # backup logic
	echo Backup Start All Resources in ${NAMESPACE}!
	backup_name=daily-$NAMESPACE
	velero schedule create $backup_name --schedule="0 */4 * * *" --ttl 720h0m0s \
		--include-namespaces=$NAMESPACE --storage-location $BUCKET_LOCATION
done