KubernetesRsync

krsync.sh

#!/bin/bash

# USAGE: ./krsync.sh <src> <dst> , with either src/dst dir pointing to a pod (of the format 'pod:/<path>')

# Check if we are running within --rsh already (remote shell)
if [ -z "$KRSYNC_STARTED" ]; then
    # not using --rsh
    export KRSYNC_STARTED=true
    exec rsync --blocking-io --rsh "$0" -a --progress --stats $@ # re-activate the script as remote shell
fi

# Running as --rsh !

pod=$1
shift

exec kubectl exec -i $pod -- "$@"

unset KRSYNC_STARTED