Generates an rsync pod to copy between two PVCs

pvc-copy.sh

#!/bin/bash

if [ $# -lt 3 ]; then
    echo "Usage: $0 pod-name-suffix source-pvc-name destination-pvc-name [rsync options...]"
    exit 1
fi

POD_SUFFIX=${1}
PVC_FROM=${2}
PVC_TO=${3}
shift 3

RSYNC_OPTIONS="$@"

cat <<EOF
apiVersion: v1
kind: Pod
metadata:
  labels:
    run: rsync-${POD_SUFFIX}
  name: rsync-${POD_SUFFIX}
spec:
  containers:
  - command:
    - rsync
    ${RSYNC_OPTIONS}
    - /tmp/pvc-from
    - /tmp/pvc-to
    image: centos:7
    imagePullPolicy: IfNotPresent
    name: shell
    tty: true
    stdin: true
    resources:
      limits:
        cpu: 100m
        memory: 64Mi
      requests:
        cpu: 10m
        memory: 32Mi
    volumeMounts:
    - mountPath: /tmp/pvc-from
      name: pvc-from
      readOnly: true
    - mountPath: /tmp/pvc-to
      name: pvc-to
      readOnly: true
  volumes:
  - name: pvc-from
    persistentVolumeClaim:
      claimName: $PVC_FROM
      readOnly: true
  - name: pvc-to
    persistentVolumeClaim:
      claimName: $PVC_TO
      readOnly: false
EOF

Never tested