ceph/src/multi-dump.sh

   1 #!/bin/bash
   2
   3 #
   4 # multi-dump.sh
   5 #
   6 # Dumps interesting information about the Ceph cluster at a series of epochs.
   7 #
   8
   9 ### Functions
  10 usage() {
  11         cat <<EOF
  12 multi-dump.sh: dumps out ceph maps
  13
  14 -D                         Enable diff-mode
  15 -e <start-epoch>           What epoch to end with.
  16 -h                         This help message
  17 -s <start-epoch>           What epoch to start with. Defaults to 1.
  18 -t <map-type>              What type of map to dump. Defaults to osdmap.
  19                            Valid map types are: osdmap,
  20 EOF
  21 }
  22
  23 cleanup() {
  24         [ -n ${TEMPDIR} ] && rm -rf "${TEMPDIR}"
  25 }
  26
  27 die() {
  28         echo $@
  29         exit 1
  30 }
  31
  32 dump_osdmap() {
  33         for v in `seq $START_EPOCH $END_EPOCH`; do
  34                 ./ceph osd getmap $v -o $TEMPDIR/$v >> $TEMPDIR/cephtool-out \
  35                         || die "cephtool failed to dump epoch $v"
  36         done
  37         if [ $DIFFMODE -eq 1 ]; then
  38                 for v in `seq $START_EPOCH $END_EPOCH`; do
  39                         ./osdmaptool --print $TEMPDIR/$v > $TEMPDIR/$v.out
  40                 done
  41                 cat $TEMPDIR/$START_EPOCH.out
  42                 E=$((END_EPOCH-1))
  43                 for v in `seq $START_EPOCH $E`; do
  44                         S=$((v+1))
  45                         echo "************** $S **************"
  46                         diff  $TEMPDIR/$v.out $TEMPDIR/$S.out
  47                 done
  48         else
  49                 for v in `seq $START_EPOCH $END_EPOCH`; do
  50                         echo "************** $v **************"
  51                         ./osdmaptool --print $TEMPDIR/$v \
  52                                 || die "osdmaptool failed to print epoch $v"
  53                 done
  54         fi
  55 }
  56
  57 ### Setup
  58 trap cleanup INT TERM EXIT
  59 TEMPDIR=`mktemp -d`
  60 MYDIR=`dirname $0`
  61 MYDIR=`readlink -f $MYDIR`
  62 MAP_TYPE=osdmap
  63 cd $MYDIR
  64
  65 ### Parse arguments
  66 DIFFMODE=0
  67 START_EPOCH=1
  68 END_EPOCH=0
  69
  70 while getopts  "De:hs:t:" flag; do
  71 case $flag in
  72         D) DIFFMODE=1;;
  73
  74         e) END_EPOCH=$OPTARG;;
  75
  76         h)  usage
  77             exit 0
  78             ;;
  79
  80         s) START_EPOCH=$OPTARG;;
  81
  82         t) MAP_TYPE=$OPTARG;;
  83
  84         *) usage
  85            exit 1;;
  86 esac
  87 done
  88 [ $END_EPOCH -eq 0 ] && die "You must supply an end epoch with -e"
  89
  90 ### Dump maps
  91 case $MAP_TYPE in
  92         "osdmap") dump_osdmap;;
  93
  94         *) die "sorry, don't know how to handle MAP_TYPE '$MAP_TYPE'"
  95 esac
  96
  97 exit 0