| 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 | args="" |
| 16 | usage () { |
| 17 | echo "usage: ${0##*/} [-[MIN-][MAX]] [HOST...]" |
| 18 | } |
| 19 | while :; do |
| 20 | case $# in 0) break ;; esac |
| 21 | case $1 in |
| 22 | -) break ;; |
| 23 | --) shift; break ;; |
| 24 | -*[!0-9]*-* | -*-*[!0-9]*) usage >&2; exit 1 ;; |
| 25 | -*-) a=${1#-}; a=${a%-}; args="$a" ;; |
| 26 | -*-*) a=${1#-}; b=${a#*-}; a=${a%-*}; args="$a $b" ;; |
| 27 | -*[!0-9]*) usage >&2; exit 1 ;; |
| 28 | -*) a=${1#-}; args="0 $a" ;; |
| 29 | *) break ;; |
| 30 | esac |
| 31 | shift |
| 32 | done |
| 33 | case $# in 0) set -- $(expand-list /etc/slaves :rcheck_hosts) ;; esac |
| 34 | |
| 35 | exec 4>&1 |
| 36 | rc=0 |
| 37 | for host in "$@"; do |
| 38 | nrc=$( |
| 39 | exec 5>&1 |
| 40 | { { { set +e |
| 41 | tar czf - check check.d | |
| 42 | ssh "$host" ' |
| 43 | set -e |
| 44 | cd /tmp |
| 45 | |
| 46 | i=0 |
| 47 | while :; do |
| 48 | tmpdir=check.$$.$i |
| 49 | if mkdir -m700 $tmpdir >/dev/null 2>&1; then break; fi |
| 50 | case $i in |
| 51 | 500) echo >&2 "failed to create temporary directory"; exit 125 ;; |
| 52 | esac |
| 53 | i=$((i + 1)) |
| 54 | done |
| 55 | trap "cd /; rm -rf /tmp/$tmpdir" INT TERM QUIT HUP EXIT |
| 56 | cd $tmpdir |
| 57 | |
| 58 | tar xzf - |
| 59 | ./check'" $args" |
| 60 | rc=$?; set -e; echo $rc >&5 |
| 61 | case $rc in |
| 62 | 0) ;; |
| 63 | *) echo >&2 "remote check process failed (rc = $rc)" ;; |
| 64 | esac |
| 65 | } 1>&3; } 2>&1 | |
| 66 | sed 's/^/!!! /' |
| 67 | } 3>&1 | |
| 68 | if IFS= read -r line; then |
| 69 | cat <<EOF |
| 70 | ###-------------------------------------------------------------------------- |
| 71 | ### $host |
| 72 | |
| 73 | $line |
| 74 | EOF |
| 75 | cat |
| 76 | fi >&4 |
| 77 | ) |
| 78 | if [ $nrc -gt $rc ]; then rc=$nrc; fi |
| 79 | done |
| 80 | |
| 81 | exit $rc |