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cb212393 LM |
1 | #!/bin/bash |
2 | # | |
3 | # ============================================================================ | |
4 | # | |
5 | # Copyright (C) THALES. All rights reserved | |
6 | # Author: Laurent Mazet | |
7 | # | |
8 | # Gestion attente switches au boot (ping,telnet) | |
9 | # ============================================================================ | |
10 | ||
11 | # TODO | |
12 | # * | |
13 | CMD="" | |
14 | MODE="iter" | |
15 | PROGNAME=$(basename $0) | |
16 | VER=1.0 | |
17 | EXCLUDE="___" | |
18 | ||
19 | function usage () { | |
20 | echo "usage: $PROGNAME [-c command] [-h] [-i] [-o] [-t seconds] [-v] [-w] [-x] host1 host2..." | |
21 | echo " -c: set command (default '$CMD')" | |
22 | echo " -h: help message" | |
23 | echo " -i: infinity loop mode [default]" | |
24 | echo " -o: only try ones" | |
25 | echo " -t: timeout" | |
26 | echo " -v: version message" | |
27 | echo " -w: wait mode" | |
28 | exit $@ | |
29 | } | |
30 | ||
31 | while [ $# -gt 0 ]; do | |
32 | case "$1" in | |
33 | -c) shift; CMD+=" -c '${1// /@@}'";; | |
34 | -h) usage 0;; | |
35 | -i) MODE="iter";; | |
36 | -o) MODE="ones";; | |
37 | -t) shift; [[ "$1" =~ [^0-9] ]] && { echo "incorrect timeout ($1)"; exit 1;}; TIMEOUT=$1;; | |
38 | -v) echo "$PROGNAME: version $VER"; exit;; | |
39 | -w) MODE="wait";; | |
40 | *) list+=" "$1;; | |
41 | esac | |
42 | shift | |
43 | done | |
44 | ||
45 | # list | |
46 | [ "$list" ] || list=$(awk '{sub(/#.*/, "")} /sw[gm]/ {print $2}' /etc/hosts) | |
47 | list=$(echo $list" ") | |
48 | ||
49 | # timeout | |
50 | if [ "$TIMEOUT" ]; then | |
51 | trap "echo 'timeout expired (${TIMEOUT}s)'; exit 0;" SIGVTALRM | |
52 | ( sleep $TIMEOUT; kill -SIGVTALRM $$ 2>/dev/null; [ $? -eq 0 ] && rc=1 || rc=0; exit $rc) & | |
53 | fi | |
54 | trap "exit 0;" SIGINT | |
55 | ||
56 | # main loop | |
57 | while true; do | |
58 | for host in $list; do | |
59 | stat=0 | |
60 | echo -n ${host}:" " | |
61 | ping -c 1 $host >&/dev/null && { log=$(eval /opt/script/connect_switch $host ${CMD//@@/ } -c exit 2>/dev/null) && stat=1; echo ${log:=soon..} | sed 's/\r/\n'$host:' /g'; } || echo | |
62 | [ "$MODE" = "wait" -a $stat -eq 1 ] && list=${list/$host } | |
63 | done | |
64 | [ "$MODE" = "ones" ] && break; | |
65 | [[ "$list" =~ [a-zA-Z0-9_-] ]] && sleep 1 || break; | |
66 | done |