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#!/usr/bin/env bash
#
# test pidfile here
#
# Includes
source $(dirname $0)/detect-build-env-vars.sh
source $CEPH_ROOT/qa/standalone/ceph-helpers.sh
function run() {
local dir=$1
shift
export CEPH_MON="127.0.0.1:7124" # git grep '\<7124\>' : there must be only one
export CEPH_ARGS
CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
CEPH_ARGS+="--mon-host=$CEPH_MON "
local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
for func in $funcs ; do
$func $dir || return 1
done
}
function TEST_without_pidfile() {
local dir=$1
setup $dir
local data=$dir/osd1
local id=1
ceph-mon \
--id $id \
--mkfs \
--mon-data=$data \
--run-dir=$dir || return 1
expect_failure $dir "ignore empty --pid-file" ceph-mon \
-f \
--log-to-stderr \
--log_flush_on_exit \
--pid-file= \
--id $id \
--mon-data=$data \
--run-dir=$dir || return 1
teardown $dir
}
function TEST_pidfile() {
local dir=$1
setup $dir
# no daemon can use a pidfile that is owned by another daemon
run_mon $dir a || return 1
sleep 5
run_mon $dir a --log-to-stderr -f 2>&1 | grep "failed to lock pidfile" || return 1
run_osd $dir 0 || return 1
sleep 5
activate_osd $dir 0 --log-to-stderr -f 2>&1 | grep "failed to lock pidfile" || return 1
# when a daemon shutdown, it will not unlink a path different from
# the one it owns
mv $dir/osd.0.pid $dir/osd.0.pid.old || return 1
cp $dir/osd.0.pid.old $dir/osd.0.pid || return 1
kill_daemons $dir TERM osd.0 || return 1
test -f $dir/osd.0.pid || return 1
# when a daemon starts, it re-uses the pid file if no other daemon
# has it locked
run_osd $dir 0 || return 1
! cmp $dir/osd.0.pid $dir/osd.0.pid.old || return 1
# if the pid in the file is different from the pid of the daemon
# the file is not removed because it is assumed to be owned by
# another daemon
mkdir $dir/old
cp $dir/osd.0.pid $dir/old/osd.0.pid # so that kill_daemon finds the pid
echo 123 > $dir/osd.0.pid
kill_daemons $dir/old TERM osd.0 || return 1
test -f $dir/osd.0.pid || return 1
# when the daemon shutdown, it removes its own pid file
test -f $dir/mon.a.pid || return 1
kill_daemons $dir TERM mon.a || return 1
! test -f $dir/mon.a.pid || return 1
teardown $dir || return 1
}
main pidfile "$@"
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