src/ceph-rbdnamer

   1 #!/bin/sh
   2
   3 DEV=$1
   4 NUM=`echo $DEV | sed 's#p.*##g; s#[a-z]##g'`
   5 POOL=`cat /sys/devices/rbd/$NUM/pool`
   6 if [ -f /sys/devices/rbd/$NUM/pool_ns ]; then
   7     NAMESPACE=`cat /sys/devices/rbd/$NUM/pool_ns`
   8 else
   9     NAMESPACE=""
  10 fi
  11 IMAGE=`cat /sys/devices/rbd/$NUM/name`
  12 SNAP=`cat /sys/devices/rbd/$NUM/current_snap`
  13
  14 echo -n "$POOL"
  15 if [ -n "$NAMESPACE" ]; then
  16     echo -n "/$NAMESPACE"
  17 fi
  18 echo -n "/$IMAGE"
  19 if [ "$SNAP" != "-" ]; then
  20     echo -n "@$SNAP"
  21 fi