misc/tail/formats/tail.in

   1 #!/bin/sh
   2 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   3 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   4 #
   5 # T2 SDE: misc/tail/formats/tail.in
   6 # Copyright (C) 2004 - 2005 The T2 SDE Project
   7 #
   8 # More information can be found in the files COPYING and README.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; version 2 of the License. A copy of the
  13 # GNU General Public License can be found in the file COPYING.
  14 # --- T2-COPYRIGHT-NOTE-END ---
  15
  16 # T2 Automated Init Language - Tail
  17 # http://wiki.t2-project.org/index.cgi?TailFormat
  18 # Alejandro Mery <amery@geeks.cl>
  19
  20 tail_read() {
  21         local verbose=1 file= output= query=
  22         local query= count=2
  23
  24         if [ "$1" == "-q" ]; then
  25                 verbose=
  26                 shift
  27         fi
  28
  29         file="$1"; shift
  30         while [ $# -gt 1 ]; do
  31                 query="${query}$1       "
  32                 shift;
  33                 (( count++ ))
  34         done
  35         query="${query}$1\\(    \\|\$\\)"
  36
  37         output="$( grep -e "^$query" $file | cut -f$count- )"
  38         [ "$verbose" ] && echo "$output"
  39
  40         grep -q -e "^$query" $file
  41         }
  42
  43 tail_install() {
  44         local style=$1 tailfile="$2"
  45         local x= y= z=
  46         shift 2
  47
  48         case "$style" in
  49                 runit)
  50                         local servicedir=$( echo `eval echo $1` )
  51                         local runprefix=
  52
  53                         mkdir -vp "$servicedir"
  54                         rm -f /tmp/tail.$$
  55
  56                         # run /tailrun/ options
  57                         #
  58                         eval "`tail_read $tailfile tailrun $style`"
  59
  60                         # ./env/
  61                         #
  62                         if tail_read -q $tailfile env; then
  63                                 mkdir -p "$servicedir/env"
  64                                 runprefix="$runprefix${runprefix:+ }envdir ./env"
  65                                 tail_read $tailfile env | while read x y; do
  66                                         echo "TAIL: ./env/$x = $y"
  67                                         echo "$y" | sde_substitute > $servicedir/env/$x
  68                                 done
  69                         fi
  70
  71                         # ./run
  72                         #
  73                         cat <<-EOT > /tmp/tail.$$
  74                                 #!/bin/sh
  75                                 exec 2>&1
  76                                 EOT
  77
  78                         if tail_read -q $tailfile input; then
  79                                 echo "exec < $( tail_read $tailfile input )" >> /tmp/tail.$$
  80                         fi
  81
  82                         if tail_read -q $tailfile user; then
  83                                 runprefix="$runprefix${runprefix:+ }envuidgid $( tail_read $tailfile user )"
  84                         fi
  85
  86                         echo "exec $runprefix${runprefix:+ }$( tail_read $tailfile run )" >> /tmp/tail.$$
  87
  88                         sde_substitute /tmp/tail.$$ > $servicedir/run
  89                         chmod +x $servicedir/run
  90
  91                         # ./conffile
  92                         #
  93                         for x in `tail_read $tailfile conf | cut -f1 | sort -u`; do
  94                                 y="$x"
  95                                 echo "TAIL: $x ..."
  96                                 if [ "${y%/*}" != "$y" ]; then
  97                                         if [ "${y:0:1}" != "/" ]; then
  98                                                 y="$servicedir/$y"
  99                                         fi
 100                                         mkdir -vp ${y%/*}
 101                                 fi
 102                                 rm -vf $y
 103                                 tail_read $tailfile conf $x | sde_substitute > $y
 104                         done
 105
 106                         # ./log/
 107                         #
 108                         if tail_read -q $tailfile log; then
 109                                 mkdir -vp "$servicedir/log/main"
 110
 111                                 if [ -z "$logdir" ]; then
 112                                         if [ "${localstatedir%$pkg}" != "$localstatedir" ]; then
 113                                                 logdir=$localstatedir/log
 114                                         else
 115                                                 logdir=$localstatedir/log/$pkg
 116                                         fi
 117                                 fi
 118
 119                                 z=
 120                                 for x in `tail_read $tailfile log | cut -f1 | sort -u`; do
 121                                         echo "TAIL: ./log/$x"
 122                                         mkdir -vp $root/$logdir/$x
 123                                         chown 9:9 $root/$logdir/$x
 124
 125                                         ln -vnfs $logdir/$x $servicedir/log/main/
 126
 127                                         z="$z main/$x"
 128
 129                                         y="`tail_read $tailfile log $x`"
 130                                         [ "$y" ] && echo "$y" > $root/$logdir/$x/config || true
 131                                 done
 132                                 cat <<-EOT > "$servicedir/log/run"
 133                                 #!/bin/sh
 134                                 exec 2>&1
 135
 136                                 exec setuidgid log svlogd -t $z
 137                                 EOT
 138                                 chmod +x "$servicedir/log/run"
 139                         fi
 140
 141                         ;;
 142                 *)
 143                         abort "tail_install: unknown style '$style' for $tailfile."
 144                         ;;
 145         esac
 146 }
 147