ceph/src/test/test_split.sh

   1 #!/usr/bin/env bash
   2 set -x
   3
   4 #
   5 # Add some objects to the data PGs, and then test splitting those PGs
   6 #
   7
   8 # Includes
   9 source "`dirname $0`/test_common.sh"
  10
  11 TEST_POOL=rbd
  12
  13 # Constants
  14 my_write_objects() {
  15         write_objects $1 $2 10 1000000 $TEST_POOL
  16 }
  17
  18 setup() {
  19         export CEPH_NUM_OSD=$1
  20
  21         # Start ceph
  22         ./stop.sh
  23
  24         ./vstart.sh -d -n
  25 }
  26
  27 get_pgp_num() {
  28         ./ceph -c ./ceph.conf osd pool get $TEST_POOL pgp_num > $TEMPDIR/pgp_num
  29         [ $? -eq 0 ] || die "failed to get pgp_num"
  30         PGP_NUM=`grep PGP_NUM $TEMPDIR/pgp_num | sed 's/.*PGP_NUM:\([ 0123456789]*\).*$/\1/'`
  31 }
  32
  33 split1_impl() {
  34         # Write lots and lots of objects
  35         my_write_objects 1 2
  36
  37         get_pgp_num
  38         echo "\$PGP_NUM=$PGP_NUM"
  39
  40         # Double the number of PGs
  41         PGP_NUM=$((PGP_NUM*2))
  42         echo "doubling PGP_NUM to $PGP_NUM..."
  43         ./ceph -c ./ceph.conf osd pool set $TEST_POOL pgp_num $PGP_NUM
  44
  45         sleep 30
  46
  47         # success
  48         return 0
  49 }
  50
  51 split1() {
  52         setup 2
  53         split1_impl
  54 }
  55
  56 many_pools() {
  57         setup 3
  58         for i in `seq 1 3000`; do
  59                 ./ceph -c ./ceph.conf osd pool create "pool${i}" 8 || die "pool create failed"
  60         done
  61         my_write_objects 1 10
  62 }
  63
  64 run() {
  65         split1 || die "test failed"
  66 }
  67
  68 $@