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