| 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 |