ceph/src/script/sepia_bt.sh

   1 #!/usr/bin/env bash
   2
   3 function die() {
   4     echo $@ >&2
   5     exit 1
   6 }
   7
   8 function usage() {
   9     echo "bt: $0 -c core_path [-d distro] [-C directory] [-v]"
  10     exit 1
  11 }
  12
  13 function log() {
  14     if [ -n "$verbose" ]; then
  15         echo $*
  16     fi
  17 }
  18
  19 function get_machine() {
  20     local core_path=$1
  21     local machine=${core_path%/coredump/*}
  22     echo $(basename $machine)
  23 }
  24
  25 function get_t_dir() {
  26     local core_path=$1
  27     echo ${core_path%/remote/*}
  28 }
  29
  30 while getopts  "c:C:d:v" opt
  31 do
  32     case $opt in
  33         c) core_path=$OPTARG;;
  34         C) wd=$OPTARG;;
  35         d) codename=$OPTARG;;
  36         v) verbose=1;;
  37         *) usage;;
  38     esac
  39 done
  40
  41 if [ -z $core_path ]; then
  42     usage
  43 fi
  44
  45 sha1=$(strings $core_path | gawk 'BEGIN{ FS = "=" } /^CEPH_REF/{print $2}')
  46 if [ -z $sha1 ]; then
  47     teuthology_log=$(get_t_dir $core_path)/teuthology.log
  48     sha1=$(grep -m1 -A1 "Running command: sudo ceph --version" ${teuthology_log} | tail -n1 | grep -oP "ceph version [^ ]+ \(\K[^\) ]+")
  49 fi
  50
  51 if [ -z $distro ]; then
  52     machine=$(get_machine $core_path)
  53     teuthology_log=$(get_t_dir $core_path)/teuthology.log
  54     if [ ! -r ${teuthology_log} ]; then
  55         die "missing distro, and unable to read it from ${teuthology_log}"
  56     fi
  57     ld=$(grep -m1 -A1 "${machine}:Running.*linux_distribution" ${teuthology_log} | tail -n1 | grep -oP "\(\K[^\)]+")
  58     distro=$(echo $ld | gawk -F ", " '{print $1}' | sed s/\'//g)
  59     distro=$(echo $distro | tr '[:upper:]' '[:lower:]')
  60     distro_ver=$(echo $ld | gawk -F ", " '{print $2}' | sed s/\'//g)
  61     codename=$(echo $ld | gawk -F ", " '{print $3}' | sed s/\'//g)
  62     if [ "$distro" == "centos linux" ]; then
  63         # there is chance that it's actually something different,
  64         # but we take it as centos7 anyway.
  65         distro=centos
  66         distro_ver=7
  67     fi
  68 else
  69     case $codename in
  70         xenial)
  71             distro=ubuntu
  72             distro_ver=16.04
  73             ;;
  74         trusty)
  75             distro=ubuntu
  76             distro_ver=14.04
  77             ;;
  78         centos7)
  79             distro=centos
  80             distro_ver=7
  81         ;;
  82         *)
  83             die "unknown distro: $distro"
  84             ;;
  85     esac
  86 fi
  87
  88 # try to figure out a name for working directory
  89 if [ -z $wd ]; then
  90     run=${core_path%/remote/*}
  91     job_id=${run#/a/}
  92     if [ $job_id != $core_path ]; then
  93         # use the run/job for the working dir
  94         wd=$job_id
  95     fi
  96 fi
  97
  98 if [ -z $wd ]; then
  99    wd=$(basename $core_path)
 100    wd=${wd%.*}
 101    echo "unable to figure out the working directory, using ${wd}"
 102 fi
 103
 104 log "creating ${wd}"
 105 mkdir -p $wd
 106 cd $wd
 107
 108 prog=$(file $core_path | grep -oP "from '\K[^']+" | cut -d' ' -f1)
 109 case $prog in
 110     ceph_test_*)
 111         pkgs="ceph-test librados2"
 112         ;;
 113     ceph-osd|ceph-mon)
 114         pkgs=$prog
 115         ;;
 116     */python*)
 117         prog=$(basename $prog)
 118         pkgs=librados2
 119         ;;
 120     rados)
 121         pkgs="ceph-common librados2 libradosstriper1"
 122         ;;
 123     *)
 124         die "unknown prog: $prog"
 125         ;;
 126 esac
 127
 128 flavor=default
 129 arch=x86_64
 130
 131 release=$(strings $core_path | grep -m1  -oP '/build/ceph-\K[^/]+')
 132 if [ -z $release ]; then
 133     teuthology_log=$(get_t_dir $core_path)/teuthology.log
 134     release=$(grep -m1 -A1 "Running command: sudo ceph --version" ${teuthology_log} | tail -n1 | grep -oP "ceph version \K[^ ]+")
 135 fi
 136
 137 case $distro in
 138     ubuntu)
 139         pkg_path=pool/main/c/ceph/%s_%s-1${codename}_amd64.deb
 140         for p in $pkgs; do
 141             t="$t $p $p-dbg"
 142         done
 143         pkgs="$t"
 144         ;;
 145     centos)
 146         pkg_path=${arch}/%s-%s.el7.x86_64.rpm
 147         # 11.0.2-1022-g5b25cd3 => 11.0.2-1022.g5b25cd3
 148         release=$(echo $release | sed s/-/./2)
 149         pkgs="$pkgs ceph-debuginfo"
 150         ;;
 151     *)
 152         die "unknown distro: $distro"
 153         ;;
 154 esac
 155
 156 query_url="https://shaman.ceph.com/api/search?status=ready&project=ceph&flavor=${flavor}&distros=${distro}%2F${distro_ver}%2F${arch}&sha1=${sha1}"
 157 repo_url=`curl -L -s "${query_url}" | jq -r '.[0] | .url'`
 158 pkg_url=${repo_url}/${pkg_path}
 159 log "repo url is ${repo_url}"
 160
 161 for pkg in ${pkgs}; do
 162     url=`printf $pkg_url $pkg $release`
 163     log "downloading ${url}"
 164     curl -O -L -C - --silent --fail --insecure $url
 165     fname=`basename $url`
 166     case $fname in
 167         *.deb)
 168             ar p `basename $fname` data.tar.xz | tar xJv;;
 169         *.rpm)
 170             rpm2cpio < $fname | cpio -id;;
 171         *)
 172     esac
 173 done
 174
 175 cat > preclude.gdb <<EOF
 176 set sysroot .
 177 set debug-file-directory ./usr/lib/debug
 178 set solib-search-path ./usr/lib64
 179 file ./usr/bin/$prog
 180 core $core_path
 181 EOF
 182 gdb -x preclude.gdb