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https://github.com/openvswitch/ovs
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On Ubuntu Saucy based desktops, upstart runs with user sessions enabled which means that the init process under which a daemon might run is not always pid = 1. Instead of checking for pid = 1, check to ensure that the parent pid of the monitor is not the pid of the shell that started it. Signed-off-by: James Page <james.page@ubuntu.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
229 lines
9.1 KiB
Plaintext
229 lines
9.1 KiB
Plaintext
AT_BANNER([daemon unit tests - Python])
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AT_SETUP([daemon - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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AT_CAPTURE_FILE([pid])
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AT_CAPTURE_FILE([expected])
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# Start the daemon and wait for the pidfile to get created
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# and that its contents are the correct pid.
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AT_CHECK([$PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid& echo $! > expected], [0])
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OVS_WAIT_UNTIL([test -s pid], [kill `cat expected`])
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AT_CHECK(
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[pid=`cat pid` && expected=`cat expected` && test "$pid" = "$expected"],
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[0], [], [], [kill `cat expected`])
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AT_CHECK([kill -0 `cat pid`], [0], [], [], [kill `cat expected`])
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# Kill the daemon and make sure that the pidfile gets deleted.
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kill `cat expected`
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OVS_WAIT_WHILE([kill -0 `cat expected`])
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AT_CHECK([test ! -e pid])
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AT_CLEANUP
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AT_SETUP([daemon --monitor - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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AT_CAPTURE_FILE([pid])
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AT_CAPTURE_FILE([parent])
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AT_CAPTURE_FILE([parentpid])
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AT_CAPTURE_FILE([newpid])
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# Start the daemon and wait for the pidfile to get created.
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AT_CHECK([$PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid --monitor& echo $! > parent], [0])
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OVS_WAIT_UNTIL([test -s pid], [kill `cat parent`])
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# Check that the pidfile names a running process,
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# and that the parent process of that process is our child process.
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AT_CHECK([kill -0 `cat pid`], [0], [], [], [kill `cat parent`])
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AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
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[0], [], [], [kill `cat parent`])
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AT_CHECK(
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[parentpid=`cat parentpid` &&
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parent=`cat parent` &&
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test $parentpid = $parent],
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[0], [], [], [kill `cat parent`])
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# Kill the daemon process, making it look like a segfault,
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# and wait for a new child process to get spawned.
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AT_CHECK([cp pid oldpid], [0], [], [], [kill `cat parent`])
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AT_CHECK([kill -SEGV `cat pid`], [0], [], [ignore], [kill `cat parent`])
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OVS_WAIT_WHILE([kill -0 `cat oldpid`], [kill `cat parent`])
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OVS_WAIT_UNTIL([test -s pid && test `cat pid` != `cat oldpid`],
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[kill `cat parent`])
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AT_CHECK([cp pid newpid], [0], [], [], [kill `cat parent`])
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# Check that the pidfile names a running process,
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# and that the parent process of that process is our child process.
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AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
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[0], [], [], [kill `cat parent`])
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AT_CHECK(
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[parentpid=`cat parentpid` &&
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parent=`cat parent` &&
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test $parentpid = $parent],
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[0], [], [], [kill `cat parent`])
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# Kill the daemon process with SIGTERM, and wait for the daemon
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# and the monitor processes to go away and the pidfile to get deleted.
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AT_CHECK([kill `cat pid`], [0], [], [ignore], [kill `cat parent`])
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OVS_WAIT_WHILE([kill -0 `cat parent` || kill -0 `cat newpid` || test -e pid],
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[kill `cat parent`])
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AT_CLEANUP
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AT_SETUP([daemon --monitor restart exit code - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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AT_CAPTURE_FILE([pid])
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AT_CAPTURE_FILE([parent])
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AT_CAPTURE_FILE([parentpid])
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AT_CAPTURE_FILE([newpid])
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# Start the daemon and wait for the pidfile to get created.
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AT_CHECK([$PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid --monitor& echo $! > parent], [0])
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OVS_WAIT_UNTIL([test -s pid], [kill `cat parent`])
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# Check that the pidfile names a running process,
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# and that the parent process of that process is our child process.
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AT_CHECK([kill -0 `cat pid`], [0], [], [], [kill `cat parent`])
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AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
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[0], [], [], [kill `cat parent`])
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AT_CHECK(
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[parentpid=`cat parentpid` &&
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parent=`cat parent` &&
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test $parentpid = $parent],
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[0], [], [], [kill `cat parent`])
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# HUP the daemon process causing it to throw an exception,
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# and wait for a new child process to get spawned.
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AT_CHECK([cp pid oldpid], [0], [], [], [kill `cat parent`])
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AT_CHECK([kill -HUP `cat pid`], [0], [], [ignore], [kill `cat parent`])
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OVS_WAIT_WHILE([kill -0 `cat oldpid`], [kill `cat parent`])
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OVS_WAIT_UNTIL([test -s pid && test `cat pid` != `cat oldpid`],
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[kill `cat parent`])
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AT_CHECK([cp pid newpid], [0], [], [], [kill `cat parent`])
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# Check that the pidfile names a running process,
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# and that the parent process of that process is our child process.
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AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
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[0], [], [], [kill `cat parent`])
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AT_CHECK(
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[parentpid=`cat parentpid` &&
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parent=`cat parent` &&
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test $parentpid = $parent],
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[0], [], [], [kill `cat parent`])
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# Kill the daemon process with SIGTERM, and wait for the daemon
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# and the monitor processes to go away and the pidfile to get deleted.
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AT_CHECK([kill `cat pid`], [0], [], [ignore], [kill `cat parent`])
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OVS_WAIT_WHILE([kill -0 `cat parent` || kill -0 `cat newpid` || test -e pid],
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[kill `cat parent`])
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AT_CLEANUP
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AT_SETUP([daemon --detach - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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AT_CAPTURE_FILE([pid])
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# Start the daemon and make sure that the pidfile exists immediately.
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# We don't wait for the pidfile to get created because the daemon is
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# supposed to do so before the parent exits.
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AT_CHECK([$PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach], [0])
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AT_CHECK([test -s pid])
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AT_CHECK([kill -0 `cat pid`])
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# Kill the daemon and make sure that the pidfile gets deleted.
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cp pid saved-pid
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kill `cat pid`
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OVS_WAIT_WHILE([kill -0 `cat saved-pid`])
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AT_CHECK([test ! -e pid])
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AT_CLEANUP
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AT_SETUP([daemon --detach --monitor - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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m4_define([CHECK],
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[AT_CHECK([$1], [$2], [$3], [$4], [kill `cat daemon monitor`])])
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AT_CAPTURE_FILE([daemon])
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AT_CAPTURE_FILE([olddaemon])
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AT_CAPTURE_FILE([newdaemon])
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AT_CAPTURE_FILE([monitor])
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AT_CAPTURE_FILE([newmonitor])
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AT_CAPTURE_FILE([init])
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# Start the daemon and make sure that the pidfile exists immediately.
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# We don't wait for the pidfile to get created because the daemon is
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# supposed to do so before the parent exits.
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AT_CHECK([$PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/daemon --detach --monitor], [0])
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AT_CHECK([test -s daemon])
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# Check that the pidfile names a running process,
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# and that the parent process of that process is a running process,
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# and that the parent process of that process is init.
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CHECK([kill -0 `cat daemon`])
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CHECK([ps -o ppid= -p `cat daemon` > monitor])
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CHECK([kill -0 `cat monitor`])
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CHECK([ps -o ppid= -p `cat monitor` > init])
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CHECK([test `cat init` != $$])
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# Kill the daemon process, making it look like a segfault,
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# and wait for a new daemon process to get spawned.
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CHECK([cp daemon olddaemon])
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CHECK([kill -SEGV `cat daemon`], [0], [ignore], [ignore])
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OVS_WAIT_WHILE([kill -0 `cat olddaemon`], [kill `cat olddaemon daemon`])
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OVS_WAIT_UNTIL([test -s daemon && test `cat daemon` != `cat olddaemon`],
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[kill `cat olddaemon daemon`])
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CHECK([cp daemon newdaemon])
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# Check that the pidfile names a running process,
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# and that the parent process of that process is our child process.
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CHECK([kill -0 `cat daemon`])
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CHECK([diff olddaemon newdaemon], [1], [ignore])
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CHECK([ps -o ppid= -p `cat daemon` > newmonitor])
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CHECK([diff monitor newmonitor])
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CHECK([kill -0 `cat newmonitor`])
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CHECK([ps -o ppid= -p `cat newmonitor` > init])
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CHECK([test `cat init` != $$])
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# Kill the daemon process with SIGTERM, and wait for the daemon
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# and the monitor processes to go away and the pidfile to get deleted.
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CHECK([kill `cat daemon`], [0], [], [ignore])
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OVS_WAIT_WHILE(
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[kill -0 `cat monitor` || kill -0 `cat newdaemon` || test -e daemon],
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[kill `cat monitor newdaemon`])
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m4_undefine([CHECK])
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AT_CLEANUP
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AT_SETUP([daemon --detach startup errors - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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AT_CAPTURE_FILE([pid])
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AT_CHECK([$PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach --bail], [1], [], [stderr])
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AT_CHECK([grep 'test-daemon.py: exiting after daemonize_start() as requested' stderr],
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[0], [ignore], [])
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AT_CHECK([test ! -s pid])
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AT_CLEANUP
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AT_SETUP([daemon --detach --monitor startup errors - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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AT_CAPTURE_FILE([pid])
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AT_CHECK([$PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach --monitor --bail], [1], [], [stderr])
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AT_CHECK([grep 'test-daemon.py: exiting after daemonize_start() as requested' stderr],
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[0], [ignore], [])
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AT_CHECK([test ! -s pid])
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AT_CLEANUP
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AT_SETUP([daemon --detach closes standard fds - Python])
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AT_SKIP_IF([test $HAVE_PYTHON = no])
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AT_CAPTURE_FILE([pid])
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AT_CAPTURE_FILE([status])
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AT_CAPTURE_FILE([stderr])
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AT_CHECK([(yes 2>stderr; echo $? > status) | $PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach], [0], [], [])
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AT_CHECK([kill `cat pid`])
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AT_CHECK([test -s status])
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if grep '[[bB]]roken pipe' stderr >/dev/null 2>&1; then
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# Something in the environment caused SIGPIPE to be ignored, but
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# 'yes' at least told us that it got EPIPE. Good enough; we know
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# that stdout was closed.
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:
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else
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# Otherwise make sure that 'yes' died from SIGPIPE.
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AT_CHECK([kill -l `cat status`], [0], [PIPE
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])
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fi
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AT_CLEANUP
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AT_SETUP([daemon --detach --monitor closes standard fds])
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AT_CAPTURE_FILE([pid])
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AT_CAPTURE_FILE([status])
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AT_CAPTURE_FILE([stderr])
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OVSDB_INIT([db])
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AT_CHECK([(yes 2>stderr; echo $? > status) | $PYTHON $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach], [0], [], [])
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AT_CHECK([kill `cat pid`])
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AT_CHECK([test -s status])
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if grep '[[bB]]roken pipe' stderr >/dev/null 2>&1; then
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# Something in the environment caused SIGPIPE to be ignored, but
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# 'yes' at least told us that it got EPIPE. Good enough; we know
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# that stdout was closed.
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:
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else
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# Otherwise make sure that 'yes' died from SIGPIPE.
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AT_CHECK([kill -l `cat status`], [0], [PIPE
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])
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fi
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AT_CLEANUP
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