tests/daemon.at

   1 AT_BANNER([daemon unit tests - C])
   2
   3 OVS_START_SHELL_HELPERS
   4 # check_process_name PID NAME
   5 #
   6 # On Linux, make sure that the name of process PID is NAME.
   7 # (On other systems, don't bother.)
   8 if test -e /proc/$$/comm; then
   9     check_process_name() {
  10         # In case we're building with shared libraries enabled, strip
  11         # off libtool's lt- prefix.
  12         AT_CHECK_UNQUOTED([sed 's/lt-//' /proc/$1/comm], [0], [$2
  13 ])
  14     }
  15 else
  16     check_process_name() {
  17         :
  18     }
  19 fi
  20
  21 # check_ancestors PID PARENT [GRANDPARENT...]
  22 check_ancestors() {
  23     echo "checking ancestry: $*"
  24     local child=$1; shift
  25     AT_CHECK([kill -0 $child])
  26     while test $# != 0; do
  27         local parent=$1; shift
  28         AT_CHECK([parent_pid $child], [0], [stdout])
  29         actual_parent=$(cat stdout)
  30         if test $parent = 1; then
  31             # Traditionally, if a parent's process exits, the process's new
  32             # parent is pid 1 (init) but this is not always the case these
  33             # days.  Instead, if the parent process should be pid 1, be
  34             # satisfied if the parent process is different from our own pid.
  35             if test $actual_parent = $$; then
  36                 echo "parent of pid $child is this shell ($$) but should not be"
  37                 AT_FAIL_IF([:])
  38             fi
  39         elif test $parent != $actual_parent; then
  40             echo "parent of pid $child is $actual_parent but should be $parent"
  41             AT_FAIL_IF([:])
  42         fi
  43         child=$parent
  44     done
  45 }
  46 OVS_END_SHELL_HELPERS
  47
  48 AT_SETUP([daemon])
  49 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
  50
  51 dnl OVS_SKIP_NON_ADMIN_WIN()
  52 dnl
  53 dnl Checks if we have enough rights to create a service
  54 m4_define([OVS_SKIP_NON_ADMIN_WIN],
  55   [
  56    AT_SKIP_IF([net session; test $? -ne 0])
  57    ])
  58
  59 # Start the daemon and wait for the pidfile to get created
  60 # and that its contents are the correct pid.
  61 on_exit 'kill $(cat *.pid)'
  62 AT_CHECK([ovsdb-server --pidfile --no-db 2>/dev/null & echo $!], [0], [stdout])
  63 expected_pid=$(cat stdout)
  64
  65 OVS_WAIT_UNTIL([test -s ovsdb-server.pid])
  66 pid=$(cat ovsdb-server.pid)
  67
  68 AT_CHECK([test $pid = $expected_pid])
  69 AT_CHECK([kill -0 $pid])
  70
  71 # Kill the daemon and make sure that the pidfile gets deleted.
  72 AT_CHECK([kill $pid])
  73 OVS_WAIT_WHILE([kill -0 $pid])
  74
  75 AT_CHECK([test ! -e ovsdb-server.pid])
  76 AT_CLEANUP
  77
  78 AT_SETUP([daemon --monitor])
  79 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
  80
  81 # This test intentionally causes SIGSEGV, so make Address Sanitizer ignore it.
  82 ASAN_OPTIONS=$ASAN_OPTIONS:handle_segv=0; export ASAN_OPTIONS
  83
  84 # Start the daemon and wait for the pidfile to get created.
  85 on_exit 'kill $(cat *.pid)'
  86 AT_CHECK([ovsdb-server --monitor --pidfile --no-db 2>/dev/null & echo $!],
  87   [0], [stdout])
  88 parent=$(cat stdout)
  89 OVS_WAIT_UNTIL([test -s ovsdb-server.pid])
  90
  91 # Check that the pidfile names a running process,
  92 # and that the parent process of that process is our child process,
  93 # and that (with a Linux kernel) the child's process name is correct.
  94 child=$(cat ovsdb-server.pid)
  95 check_ancestors $child $parent
  96 check_process_name $child ovsdb-server
  97
  98 # Avoid a race between pidfile creation and notifying the parent,
  99 # which can easily trigger if ovsdb-server is slow (e.g. due to valgrind).
 100 OVS_WAIT_UNTIL([ovs-appctl -t ovsdb-server version])
 101
 102 # Kill the daemon process, making it look like a segfault,
 103 # and wait for a new child process to get spawned.
 104 AT_CHECK([kill -SEGV $child], [0], [], [ignore])
 105 OVS_WAIT_WHILE([kill -0 $child])
 106 OVS_WAIT_UNTIL([test -s ovsdb-server.pid && test $(cat ovsdb-server.pid) != $child])
 107
 108 # Check that the pidfile names a running process,
 109 # and that the parent process of that process is our child process.
 110 child2=$(cat ovsdb-server.pid)
 111 check_ancestors $child2 $parent
 112 check_process_name $child2 ovsdb-server
 113
 114 # Kill the daemon process with SIGTERM, and wait for the daemon
 115 # and the monitor processes to go away and the pidfile to get deleted.
 116 AT_CHECK([kill $child2])
 117 OVS_WAIT_WHILE([kill -0 $parent || kill -0 $child2 || test -e ovsdb-server.pid])
 118 AT_CLEANUP
 119
 120
 121 AT_SETUP([daemon --detach])
 122
 123 # Start the daemon and make sure that the pidfile exists immediately.
 124 # We don't wait for the pidfile to get created because the daemon is
 125 # supposed to do so before the parent exits.
 126 AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --no-db], [0])
 127 AT_CHECK([test -s ovsdb-server.pid])
 128 child=$(cat ovsdb-server.pid)
 129 AT_CHECK([kill -0 $child])
 130
 131 # Kill the daemon and make sure that the pidfile gets deleted.
 132 if test "$IS_WIN32" = "yes"; then
 133   # When a 'kill pid' is done on windows (through 'taskkill //F'),
 134   # pidfiles are not deleted (because it is force kill), so use
 135   # 'ovs-appctl exit' instead
 136   OVS_APP_EXIT_AND_WAIT([ovsdb-server])
 137 else
 138   kill $child
 139 fi
 140 OVS_WAIT_WHILE([kill -0 $child])
 141 AT_CHECK([test ! -e ovsdb-server.pid])
 142
 143 AT_CLEANUP
 144
 145
 146 AT_SETUP([daemon --detach --monitor])
 147 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
 148
 149 # This test intentionally causes SIGSEGV, so make Address Sanitizer ignore it.
 150 ASAN_OPTIONS=$ASAN_OPTIONS:handle_segv=0; export ASAN_OPTIONS
 151
 152 on_exit 'kill $(cat *.pid)'
 153
 154 # Start the daemon and make sure that the pidfile exists immediately.
 155 # We don't wait for the pidfile to get created because the daemon is
 156 # supposed to do so before the parent exits.
 157 AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --monitor --no-db])
 158 AT_CHECK([test -s ovsdb-server.pid])
 159 child=$(cat ovsdb-server.pid)
 160
 161 # Check process naming and ancestry.
 162 monitor=$(parent_pid $child)
 163 check_process_name $child ovsdb-server
 164 check_ancestors $child $monitor 1
 165
 166 # Kill the daemon process, making it look like a segfault,
 167 # and wait for a new daemon process to get spawned.
 168 AT_CHECK([kill -SEGV $child], [0])
 169 OVS_WAIT_WHILE([kill -0 $child])
 170 OVS_WAIT_UNTIL([test -s ovsdb-server.pid && test `cat ovsdb-server.pid` != $child])
 171 child2=$(cat ovsdb-server.pid)
 172
 173 # Check process naming and ancestry.
 174 check_process_name $child2 ovsdb-server
 175 check_ancestors $child2 $monitor 1
 176
 177 # Kill the daemon process with SIGTERM, and wait for the daemon
 178 # and the monitor processes to go away and the pidfile to get deleted.
 179 AT_CHECK([kill $child2])
 180 OVS_WAIT_WHILE(
 181   [kill -0 $monitor || kill -0 $child2 || test -e ovsdb-server.pid])
 182 AT_CLEANUP
 183
 184
 185 AT_SETUP([daemon --detach startup errors])
 186 AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --unixctl=nonexistent/unixctl --no-db], [1], [], [stderr])
 187 AT_CHECK([grep 'could not initialize control socket' stderr],
 188   [0], [ignore])
 189 AT_CHECK([test ! -e ovsdb-server.pid])
 190 AT_CLEANUP
 191
 192
 193 AT_SETUP([daemon --detach --monitor startup errors])
 194 AT_SKIP_IF([test "$IS_WIN32" = "yes"])
 195 AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --monitor --unixctl=nonexistent/unixctl --no-db], [1], [], [stderr])
 196 AT_CHECK([grep 'could not initialize control socket' stderr],
 197   [0], [ignore])
 198 AT_CHECK([test ! -e ovsdb-server.pid])
 199 AT_CLEANUP
 200
 201
 202 AT_SETUP([daemon --service])
 203 AT_KEYWORDS([windows-service])
 204 AT_SKIP_IF([test "$IS_WIN32" != "yes"])
 205 OVS_SKIP_NON_ADMIN_WIN
 206 AT_SKIP_IF([sc qc ovsdb-server])
 207
 208 AT_CAPTURE_FILE([pid])
 209 # To create a Windows service, we need the absolute path for the executable.
 210 abs_path="$(cd $(dirname `which ovsdb-server`); pwd -W; cd $OLDPWD)"
 211
 212 AT_CHECK([sc create ovsdb-server binpath="$abs_path/ovsdb-server --no-db --log-file=`pwd`/ovsdb-server.log --pidfile=`pwd`/ovsdb-server.pid --unixctl=`pwd`/ovsdb-server.ctl --remote=punix:`pwd`/socket --service"],
 213 [0], [[[SC]] CreateService SUCCESS
 214 ])
 215
 216 AT_CHECK([sc start ovsdb-server], [0], [ignore], [ignore], [sc delete ovsdb-server])
 217 OVS_WAIT_UNTIL([test -s ovsdb-server.pid])
 218 OVS_WAIT_UNTIL([sc query ovsdb-server | grep STATE | grep RUNNING > /dev/null 2>&1])
 219 AT_CHECK([kill -0 `cat ovsdb-server.pid`], [0], [ignore])
 220 AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs], [0],
 221 [Open_vSwitch
 222 ])
 223 AT_CHECK([sc stop ovsdb-server], [0], [ignore])
 224 OVS_WAIT_UNTIL([test ! -s ovsdb-server.pid])
 225 AT_CHECK([sc query ovsdb-server | grep STATE | grep STOPPED], [0], [ignore])
 226 AT_CHECK([sc delete ovsdb-server], [0], [[[SC]] DeleteService SUCCESS
 227 ])
 228 AT_CLEANUP