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|
#!/usr/bin/env bash
function die() {
echo $@ >&2
exit 1
}
function usage() {
echo "bt: $0 -c core_path [-d distro] [-C directory] [-v]"
exit 1
}
function log() {
if [ -n "$verbose" ]; then
echo $*
fi
}
function get_machine() {
local core_path=$1
local machine=${core_path%/coredump/*}
echo $(basename $machine)
}
function get_t_dir() {
local core_path=$1
echo ${core_path%/remote/*}
}
while getopts "c:C:d:v" opt
do
case $opt in
c) core_path=$OPTARG;;
C) wd=$OPTARG;;
d) codename=$OPTARG;;
v) verbose=1;;
*) usage;;
esac
done
if [ -z $core_path ]; then
usage
fi
sha1=$(strings $core_path | gawk 'BEGIN{ FS = "=" } /^CEPH_REF/{print $2}')
if [ -z $sha1 ]; then
teuthology_log=$(get_t_dir $core_path)/teuthology.log
sha1=$(grep -m1 -A1 "Running command: sudo ceph --version" ${teuthology_log} | tail -n1 | grep -oP "ceph version [^ ]+ \(\K[^\) ]+")
fi
if [ -z $distro ]; then
machine=$(get_machine $core_path)
teuthology_log=$(get_t_dir $core_path)/teuthology.log
if [ ! -r ${teuthology_log} ]; then
die "missing distro, and unable to read it from ${teuthology_log}"
fi
ld=$(grep -m1 -A1 "${machine}:Running.*linux_distribution" ${teuthology_log} | tail -n1 | grep -oP "\(\K[^\)]+")
distro=$(echo $ld | gawk -F ", " '{print $1}' | sed s/\'//g)
distro=$(echo $distro | tr '[:upper:]' '[:lower:]')
distro_ver=$(echo $ld | gawk -F ", " '{print $2}' | sed s/\'//g)
codename=$(echo $ld | gawk -F ", " '{print $3}' | sed s/\'//g)
if [ "$distro" == "centos linux" ]; then
# there is chance that it's actually something different,
# but we take it as centos7 anyway.
distro=centos
distro_ver=7
fi
else
case $codename in
xenial)
distro=ubuntu
distro_ver=16.04
;;
trusty)
distro=ubuntu
distro_ver=14.04
;;
centos7)
distro=centos
distro_ver=7
;;
*)
die "unknown distro: $distro"
;;
esac
fi
# try to figure out a name for working directory
if [ -z $wd ]; then
run=${core_path%/remote/*}
job_id=${run#/a/}
if [ $job_id != $core_path ]; then
# use the run/job for the working dir
wd=$job_id
fi
fi
if [ -z $wd ]; then
wd=$(basename $core_path)
wd=${wd%.*}
echo "unable to figure out the working directory, using ${wd}"
fi
log "creating ${wd}"
mkdir -p $wd
cd $wd
prog=$(file $core_path | grep -oP "from '\K[^']+" | cut -d' ' -f1)
case $prog in
ceph_test_*)
pkgs="ceph-test librados2"
;;
ceph-osd|ceph-mon)
pkgs=$prog
;;
*/python*)
prog=$(basename $prog)
pkgs=librados2
;;
rados)
pkgs="ceph-common librados2 libradosstriper1"
;;
*)
die "unknown prog: $prog"
;;
esac
flavor=default
arch=x86_64
release=$(strings $core_path | grep -m1 -oP '/build/ceph-\K[^/]+')
if [ -z $release ]; then
teuthology_log=$(get_t_dir $core_path)/teuthology.log
release=$(grep -m1 -A1 "Running command: sudo ceph --version" ${teuthology_log} | tail -n1 | grep -oP "ceph version \K[^ ]+")
fi
case $distro in
ubuntu)
pkg_path=pool/main/c/ceph/%s_%s-1${codename}_amd64.deb
for p in $pkgs; do
t="$t $p $p-dbg"
done
pkgs="$t"
;;
centos)
pkg_path=${arch}/%s-%s.el7.x86_64.rpm
# 11.0.2-1022-g5b25cd3 => 11.0.2-1022.g5b25cd3
release=$(echo $release | sed s/-/./2)
pkgs="$pkgs ceph-debuginfo"
;;
*)
die "unknown distro: $distro"
;;
esac
query_url="https://shaman.ceph.com/api/search?status=ready&project=ceph&flavor=${flavor}&distros=${distro}%2F${distro_ver}%2F${arch}&sha1=${sha1}"
repo_url=`curl -L -s "${query_url}" | jq -r '.[0] | .url'`
pkg_url=${repo_url}/${pkg_path}
log "repo url is ${repo_url}"
for pkg in ${pkgs}; do
url=`printf $pkg_url $pkg $release`
log "downloading ${url}"
curl -O -L -C - --silent --fail --insecure $url
fname=`basename $url`
case $fname in
*.deb)
ar p `basename $fname` data.tar.xz | tar xJv;;
*.rpm)
rpm2cpio < $fname | cpio -id;;
*)
esac
done
cat > preclude.gdb <<EOF
set sysroot .
set debug-file-directory ./usr/lib/debug
set solib-search-path ./usr/lib64
file ./usr/bin/$prog
core $core_path
EOF
gdb -x preclude.gdb
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