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#! /bin/sh
##
## $Id: rancid-run.in,v 1.28 2004/01/11 06:11:23 hank Exp $
##
## Copyright (C) 1997-2004 by Terrapin Communications, Inc.
## All rights reserved.
##
## This software may be freely copied, modified and redistributed
## without fee for non-commerical purposes provided that this license
## remains intact and unmodified with any RANCID distribution.
##
## There is no warranty or other guarantee of fitness of this software.
## It is provided solely "as is".  The author(s) disclaim(s) all
## responsibility and liability with respect to this software's usage
## or its effect upon hardware, computer systems, other software, or
## anything else.
##
## Except where noted otherwise, rancid was written by and is maintained by
## Henry Kilmer, John Heasley, Andrew Partan, Pete Whiting, and Austin Schutz.
##
#
# Run rancid for each of the rancid groups defined by $LIST_OF_GROUPS in
# @sysconfdir@/rancid.conf or those specified on the command-line.
#

ENVFILE="@sysconfdir@/rancid.conf"

. $ENVFILE

TMPDIR=${TMPDIR:=/tmp}; export TMPDIR

# control_rancid argv
CR_ARGV=""; export CR_ARGV

# print a usage message to stderr
pr_usage() {
    echo "usage: $0 [-r device_name] [-m mail rcpt] [group [group ...]]" >&2;
}

# command-line options
# -r <device name>
if [ $# -ge 1 ] ; then

    while [ 1 ] ; do
	case $1 in
	-r)
	    shift
	    # next arg is the device name
	    CR_ARGV="$CR_ARGV -r $1"; export CR_ARGV
	    shift
	    ;;
	-m)
	    shift
	    # next arg is the mailto name
	    CR_ARGV="$CR_ARGV -m $1"; export CR_ARGV
	    shift
	    ;;
	--)
	    shift; break;
	    ;;
	-h)
	    pr_usage
	    exit
	    ;;
	-*)
	    echo "unknown option: $1" >&2
	    pr_usage
	    exit 1
	    ;;
	*)
	    break;
	    ;;
	esac
    done
fi

if [ $# -ge 1 ] ; then
    LIST_OF_GROUPS="$*"; export LIST_OF_GROUPS
elif [ "$LIST_OF_GROUPS" = "" ] ; then
    echo "LIST_OF_GROUPS is empty in $ENVFILE"
    exit 1
fi

if [ ! -d $LOGDIR ] ; then
    mkdir $LOGDIR || (echo "Could not create log directory: $LOGDIR"; exit 1)
fi

for GROUP in $LIST_OF_GROUPS
do

	LOCKFILE=$TMPDIR/.$GROUP.run.lock

	(
		echo starting: `date`
		echo

		if [ -f $LOCKFILE ]
		then
			echo hourly config diffs failed: $LOCKFILE exists
			ls -l $LOCKFILE

			# Send email if the lock file is old.
			if [ "X$LOCKTIME" = "X" ] ; then
				LOCKTIME=4
			fi
			@PERLV@ -e "\$t = (stat(\"$LOCKFILE\"))[9]; print \"OLD\\n\" if (time() - \$t >= $LOCKTIME*60*60);" > $TMPDIR/.$GROUP.old
			if [ -s $TMPDIR/.$GROUP.old ]
			then
				(
				  echo "To: @ADMINMAILPLUS@$GROUP"
				  echo "Subject: rancid hung - $GROUP"
				  echo "Precedence: bulk"
				  echo ""

				  cat <<END
rancid $GROUP hung on `hostname`?  Old lockfile still exists:
`ls -l $LOCKFILE`
END
				) | sendmail -t
			fi
			rm -f $TMPDIR/.$GROUP.old

		else
			trap 'rm -fr $LOCKFILE;exit 1' 1 2 3 6 10 15
			touch $LOCKFILE
			if [ $? -eq 0 ] ; then
			    control_rancid $CR_ARGV $GROUP
			    rm -f $LOCKFILE
			fi
			trap ''  1 2 3 6 10 15
		fi

		echo
		echo ending: `date`
	) >$LOGDIR/$GROUP.`date +%Y%m%d.%H%M%S` 2>&1 
done