selftest/in_screen

   1 #!/usr/bin/env bash
   2
   3 export TMPDIR="$SELFTEST_TMPDIR"
   4
   5 SERVERNAME="$ENVNAME"
   6 [ -z "$SERVERNAME" ] && SERVERNAME="base"
   7 basedir=$TMPDIR
   8
   9 [ -r $basedir/$SERVERNAME.pid ] && {
  10     for i in {2..100}; do
  11         if [ ! -r "$basedir/${SERVERNAME}-$i.pid" ]; then
  12             SERVERNAME="${SERVERNAME}-$i"
  13             break
  14         fi
  15     done
  16 }
  17
  18 rm -f $basedir/$SERVERNAME.{launch,log,parent.pid,pid,status}
  19
  20 # set most of the environment vars we have in the screen session too
  21 _ENV=""
  22 printenv |
  23   egrep -v '^TERMCAP|^WINDOW|^SHELL|^STY|^SHLVL|^SAMBA_VALGRIND|\$' |
  24   egrep '^[A-Z]' |
  25   sed "s/\(^[^=]*=\)\(.*\)/export \1'\2'/g" > $basedir/$SERVERNAME.vars
  26
  27 cat <<EOF > $basedir/$SERVERNAME.launch
  28 cd $PWD
  29  echo \$\$ > $basedir/$SERVERNAME.pid
  30  . $basedir/$SERVERNAME.vars
  31  echo "\$(date) starting $SERVERNAME" >> $basedir/$SERVERNAME.log
  32  $@
  33  echo \$? > $basedir/$SERVERNAME.status
  34  read parent < $basedir/$SERVERNAME.parent.pid
  35  kill \$parent
  36 EOF
  37 pid=$$
  38
  39 cleanup() {
  40     trap "exit 1" SIGINT SIGTERM SIGPIPE
  41     [ -r $basedir/$SERVERNAME.status ] && {
  42         read status < $basedir/$SERVERNAME.status
  43         echo "$(date) samba exited with status $status" >> $basedir/$SERVERNAME.log
  44         exit $status
  45     }
  46
  47     case $ENVNAME in
  48         *.nmbd|*.smbd|*.winbindd|*.samba)
  49             kill $(cat $basedir/../"${ENVNAME%\.*}"/pid/"${ENVNAME##*\.}".pid)
  50             ;;
  51     esac
  52
  53     read pid < $basedir/$SERVERNAME.pid
  54     echo "$(date) Killing samba pid $pid from $$" >> $basedir/$SERVERNAME.log
  55     if [ "$pid" = "$$" ]; then
  56         exit 1
  57     fi
  58     kill -9 $pid 2>&1
  59     exit 1
  60 }
  61
  62 echo $$ > $basedir/$SERVERNAME.parent.pid
  63 trap cleanup SIGINT SIGTERM SIGPIPE
  64
  65 if [[ "$TMUX" ]]; then
  66     TMUX_CMD=tmux
  67     if [[ $TMUX = *tmate* ]]; then
  68         TMUX_CMD=tmate
  69     fi
  70
  71     $TMUX_CMD new-window -n test:$SERVERNAME "bash $basedir/$SERVERNAME.launch"
  72
  73     # tmux seems to lag a bit for new sessions. Don't create them too
  74     # quickly one after another
  75     sleep .1
  76 else
  77     screen -r -X screen -t test:$SERVERNAME bash $basedir/$SERVERNAME.launch
  78 fi
  79 echo "$(date) waiting in $$" >> $basedir/$SERVERNAME.log
  80 read stdin_var
  81 echo "$(date) EOF on stdin" >> $basedir/$SERVERNAME.log
  82
  83 case $ENVNAME in
  84     *.nmbd|*.smbd|*.winbindd|*.samba)
  85         kill $(cat $basedir/../"${ENVNAME%\.*}"/pid/"${ENVNAME##*\.}".pid)
  86         ;;
  87 esac
  88
  89 read pid < $basedir/$SERVERNAME.pid
  90 echo "$(date) killing $pid" >> $basedir/$SERVERNAME.log
  91 kill $pid 2> /dev/null
  92 echo "$(date) exiting" >> $basedir/$SERVERNAME.log
  93 exit 0