tests/daemon-py.at

   1 AT_BANNER([daemon unit tests - Python3])
   2
   3 AT_SETUP([daemon - Python3])
   4 # Skip this test for Windows, echo $! gives shell pid instead of parent process
   5 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
   6 AT_KEYWORDS([python daemon])
   7
   8 on_exit 'kill $(cat *.pid)'
   9 pidfile=test-daemon.py.pid
  10
  11 # Start the daemon and wait for the pidfile to get created
  12 # and that its contents are the correct pid.
  13 AT_CHECK([$PYTHON3 $srcdir/test-daemon.py --pidfile & echo $!], [0], [stdout])
  14 pid=$(cat stdout)
  15
  16 OVS_WAIT_UNTIL([test -s $pidfile], [kill $pid])
  17 AT_CHECK([test $pid = $(cat $pidfile)])
  18 AT_CHECK([kill -0 $pid])
  19
  20 # Kill the daemon and make sure that the pidfile gets deleted.
  21 kill $pid
  22 OVS_WAIT_WHILE([kill -0 $pid])
  23 AT_CHECK([test ! -e $pidfile])
  24 AT_CLEANUP
  25
  26 AT_SETUP([daemon --monitor - Python3])
  27 # Skip this test for Windows, echo $! gives shell pid instead of parent process
  28 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
  29
  30 on_exit 'kill $(cat *.pid)'
  31 pidfile=test-daemon.py.pid
  32
  33 # Start the daemon and wait for the pidfile to get created.
  34 AT_CHECK([$PYTHON3 $srcdir/test-daemon.py --pidfile --monitor & echo $!], [0], [stdout])
  35 monitor=$(cat stdout)
  36 OVS_WAIT_UNTIL([test -s $pidfile])
  37 child=$(cat $pidfile)
  38
  39 # Check that the pidfile names a running process,
  40 # and that the parent process of that process is our child process.
  41 check_ancestors $child $monitor
  42
  43 # Kill the daemon process, making it look like a segfault,
  44 # and wait for a new child process to get spawned.
  45 AT_CHECK([kill -SEGV $child])
  46 OVS_WAIT_WHILE([kill -0 $child])
  47 OVS_WAIT_UNTIL([test -s $pidfile && test $(cat $pidfile) != $child])
  48 child2=$(cat $pidfile)
  49
  50 # Check that the pidfile names a running process,
  51 # and that the parent process of that process is our child process.
  52 check_ancestors $child2 $monitor
  53
  54 # Kill the daemon process with SIGTERM, and wait for the daemon
  55 # and the monitor processes to go away and the pidfile to get deleted.
  56 AT_CHECK([kill $child2])
  57 OVS_WAIT_WHILE([kill -0 $monitor || kill -0 $child2 || test -e $pidfile])
  58 AT_CLEANUP
  59
  60 AT_SETUP([daemon --monitor restart exit code - Python3])
  61 # Skip this test for Windows, echo $! gives shell pid instead of parent process
  62 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
  63
  64 on_exit 'kill $(cat *.pid)'
  65 pidfile=test-daemon.py.pid
  66
  67 # Start the daemon and wait for the pidfile to get created.
  68 AT_CHECK([$PYTHON3 $srcdir/test-daemon.py --pidfile --monitor & echo $!], [0], [stdout])
  69 monitor=$(cat stdout)
  70 OVS_WAIT_UNTIL([test -s $pidfile])
  71 child=$(cat $pidfile)
  72
  73 # Check that the pidfile names a running process,
  74 # and that the parent process of that process is our child process.
  75 check_ancestors $child $monitor
  76
  77 # HUP the daemon process causing it to throw an exception,
  78 # and wait for a new child process to get spawned.
  79 AT_CHECK([kill -HUP $child])
  80 OVS_WAIT_WHILE([kill -0 $child])
  81 OVS_WAIT_UNTIL([test -s $pidfile && test $child != $(cat $pidfile)])
  82 child2=$(cat $pidfile)
  83
  84 # Check that the pidfile names a running process,
  85 # and that the parent process of that process is our child process.
  86 check_ancestors $child2 $monitor
  87
  88 # Kill the daemon process with SIGTERM, and wait for the daemon
  89 # and the monitor processes to go away and the pidfile to get deleted.
  90 AT_CHECK([kill $child2])
  91 OVS_WAIT_WHILE([kill -0 $monitor || kill -0 $child2 || test -e $pidfile])
  92 AT_CLEANUP
  93
  94 AT_SETUP([daemon --detach - Python3])
  95
  96 # Skip this test for Windows, the pid file not removed if the daemon is killed
  97 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
  98
  99 on_exit 'kill $(cat *.pid)'
 100 pidfile=test-daemon.py.pid
 101
 102 # Start the daemon and make sure that the pidfile exists immediately.
 103 # We don't wait for the pidfile to get created because the daemon is
 104 # supposed to do so before the parent exits.
 105 AT_CHECK([$PYTHON3 $srcdir/test-daemon.py --pidfile --detach --no-chdir], [0])
 106 AT_CHECK([test -s $pidfile])
 107 pid=$(cat $pidfile)
 108 check_ancestors $pid 1
 109
 110 # Kill the daemon and make sure that the pidfile gets deleted.
 111 AT_CHECK([kill $pid])
 112 OVS_WAIT_WHILE([kill -0 $pid])
 113 AT_CHECK([test ! -e $pidfile])
 114 AT_CLEANUP
 115
 116 AT_SETUP([daemon --detach --monitor - Python3])
 117
 118 # Skip this test for Windows, uses Linux specific kill signal
 119 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
 120
 121 on_exit 'kill $(cat *.pid)'
 122 pidfile=test-daemon.py.pid
 123
 124 # Start the daemon and make sure that the pidfile exists immediately.
 125 # We don't wait for the pidfile to get created because the daemon is
 126 # supposed to do so before the parent exits.
 127 AT_CHECK([$PYTHON3 $srcdir/test-daemon.py --pidfile --detach --no-chdir --monitor], [0])
 128 AT_CHECK([test -s $pidfile])
 129 child=$(cat $pidfile)
 130 AT_CHECK([parent_pid $child], [0], [stdout])
 131 monitor=$(cat stdout)
 132
 133 # Check that the pidfile names a running process,
 134 # and that the parent process of that process is a running process,
 135 # and that the parent process of that process is init.
 136 check_ancestors $child $monitor 1
 137
 138 # Kill the daemon process, making it look like a segfault,
 139 # and wait for a new daemon process to get spawned.
 140 AT_CHECK([kill -SEGV $child])
 141 OVS_WAIT_WHILE([kill -0 $child])
 142 OVS_WAIT_UNTIL([test -s $pidfile && test $(cat $pidfile) != $child])
 143 child2=$(cat $pidfile)
 144
 145 # Check that the pidfile names a running process,
 146 # and that the parent process of that process is our child process.
 147 check_ancestors $child2 $monitor 1
 148
 149 # Kill the daemon process with SIGTERM, and wait for the daemon
 150 # and the monitor processes to go away and the pidfile to get deleted.
 151 AT_CHECK([kill $child2])
 152 OVS_WAIT_WHILE([kill -0 $child2 || kill -0 $monitor || test -e $pidfile])
 153 AT_CLEANUP
 154
 155 AT_SETUP([daemon --detach startup errors - Python3])
 156 AT_CHECK([$PYTHON3 $srcdir/test-daemon.py --pidfile --detach --no-chdir --bail], [1], [], [stderr])
 157 AT_CHECK([grep 'test-daemon.py: exiting after daemonize_start() as requested' stderr],
 158   [0], [ignore])
 159 AT_CHECK([test ! -s test-daemon.py.pid])
 160 AT_CLEANUP
 161
 162 AT_SETUP([daemon --detach --monitor startup errors - Python3])
 163 AT_CAPTURE_FILE([pid])
 164 AT_CHECK([$PYTHON3 $srcdir/test-daemon.py --pidfile --detach --no-chdir --monitor --bail], [1], [], [stderr])
 165 AT_CHECK([grep 'test-daemon.py: exiting after daemonize_start() as requested' stderr],
 166   [0], [ignore])
 167 AT_CHECK([test ! -s test-daemon.py.pid])
 168 AT_CLEANUP
 169
 170 AT_SETUP([daemon --detach closes standard fds - Python3])
 171 # Skip this test for Windows, uses Linux specific kill signal
 172 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
 173
 174 AT_CHECK([(yes 2>stderr; echo $? > status) | $PYTHON3 $srcdir/test-daemon.py --pidfile --detach --no-chdir])
 175 AT_CHECK([kill $(cat test-daemon.py.pid)])
 176 AT_CHECK([test -s status])
 177 if grep '[[bB]]roken pipe' stderr >/dev/null 2>&1; then
 178   # Something in the environment caused SIGPIPE to be ignored, but
 179   # 'yes' at least told us that it got EPIPE.  Good enough; we know
 180   # that stdout was closed.
 181   :
 182 else
 183   # Otherwise make sure that 'yes' died from SIGPIPE.
 184   AT_CHECK([kill -l `cat status`], [0], [PIPE
 185 ])
 186 fi
 187 AT_CLEANUP
 188
 189 AT_SETUP([daemon --detach --monitor closes standard fds - Python3])
 190 # Skip this test for Windows, uses Linux specific kill signal
 191 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
 192 AT_CHECK([(yes 2>stderr; echo $? > status) | $PYTHON3 $srcdir/test-daemon.py --pidfile --detach --no-chdir], [0], [], [])
 193 AT_CHECK([kill $(cat test-daemon.py.pid)])
 194 AT_CHECK([test -s status])
 195 if grep '[[bB]]roken pipe' stderr >/dev/null 2>&1; then
 196   # Something in the environment caused SIGPIPE to be ignored, but
 197   # 'yes' at least told us that it got EPIPE.  Good enough; we know
 198   # that stdout was closed.
 199   :
 200 else
 201   # Otherwise make sure that 'yes' died from SIGPIPE.
 202   AT_CHECK([kill -l `cat status`], [0], [PIPE
 203 ])
 204 fi
 205 AT_CLEANUP