src/ceph/src/rbd-replay-many

   1 #!/bin/bash
   2
   3 original_image=
   4 hosts=
   5 image_prefix=
   6 prog=rbd-replay
   7 delay=0
   8
   9 while test -n "$1"; do
  10   case "$1" in
  11     --original-image)
  12         original_image="$2"
  13         shift
  14         ;;
  15     --original-image=*)
  16         original_image="${1#--original-image=}"
  17         ;;
  18     --image-prefix)
  19         image_prefix="$2"
  20         shift
  21         ;;
  22     --image-prefix=*)
  23         image_prefix="${1#--image-prefix=}"
  24         ;;
  25     --exec)
  26         prog="$2"
  27         shift
  28         ;;
  29     --exec=*)
  30         prog="${1#--exec=}"
  31         ;;
  32     --delay)
  33         delay="$2"
  34         shift
  35         ;;
  36     --delay=*)
  37         delay="${1#--delay=}"
  38         ;;
  39     --help|-h)
  40         echo "Usage: $0 [options] --original-image=<name> <host1> [<host2> [...]] -- <rbd-replay-args>"
  41         echo "Options:"
  42         echo "  --original-image=name  Name (and snap) of the image that was originally traced"
  43         echo "  --image-prefix=prefix  Prefix of the image names to replay against"
  44         echo "  --exec=program         Path to the rbd-replay executable"
  45         echo "  --delay=seconds        Wait <seconds> between starting each replay"
  46         exit 0
  47         ;;
  48     --)
  49         # remaining args are passed directly to rbd-replay
  50         shift
  51         break
  52         ;;
  53     -*)
  54         echo "Unrecognized argument: $1" >&2
  55         echo "(If you want to pass an argument directly to rbd-replay, use it after '--'.)" >&2
  56         exit 1
  57         ;;
  58     *)
  59         hosts="$hosts $1"
  60         ;;
  61   esac
  62   shift
  63 done
  64
  65 if test -z "$original_image"; then
  66    echo "Specify the original image name with --original-image." >&2
  67    exit 1
  68 fi
  69
  70 if test -z "$hosts"; then
  71    echo "No hosts specified." >&2
  72    exit 1
  73 fi
  74
  75 if test -z "$image_prefix"; then
  76    image_prefix="$original_image"
  77 fi
  78
  79 index=0
  80 for host in $hosts; do
  81     echo ssh $host "'$prog'" --map-image "'${original_image}=${image_prefix}-${index}'" "$@"
  82     ssh $host "'$prog'" --map-image "'${original_image}=${image_prefix}-${index}'" "$@" &
  83     index=$((index + 1))
  84     if [ $delay -gt 0 ]; then
  85        sleep $delay
  86     fi
  87 done
  88 wait