mdw@git.distorted.org.uk Git - rcheck/blob - rcheck

   1 #! /bin/sh
   2 ###
   3 ### Run everyday health checks on remote systems.
   4
   5 set -e
   6 prog=$0
   7 while
   8   case "$prog" in */*) ;; *) prog=./$prog ;; esac
   9   cd "${prog%/*}"
  10   [ -L "${prog##*/}" ]
  11 do
  12   prog=$(readlink "${prog##*/}")
  13 done
  14
  15 for host in "$@"; do
  16
  17   { { { set +e
  18         tar czf - check check.d |
  19         ssh "$host" '
  20 set -e
  21 cd /tmp
  22
  23 i=0
  24 while :; do
  25   tmpdir=check.$$.$i
  26   if mkdir -m700 $tmpdir >/dev/null 2>&1; then break; fi
  27   case $i in
  28     500) echo >&2 "failed to create temporary directory"; exit 125 ;;
  29   esac
  30   i=$((i + 1))
  31 done
  32 trap "cd /; rm -rf /tmp/$tmpdir" INT TERM QUIT HUP EXIT
  33 cd $tmpdir
  34
  35 tar xzf -
  36 ./check'
  37         rc=$?; set -e
  38         case $rc in
  39           0) ;;
  40           *) echo >&2 "remote check process failed (rc = $rc)" ;;
  41         esac
  42       } 1>&3; } 2>&1 |
  43     sed 's/^/!!! /'
  44   } 3>&1 |
  45   if read line; then
  46     cat <<EOF
  47 ###--------------------------------------------------------------------------
  48 ### $host
  49
  50 $line
  51 EOF
  52     cat
  53   fi
  54 done