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#! /bin/sh
##
## $Id: rancid-run.in,v 1.32 2005/06/14 20:20:44 heas 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.
#

# Default ENVFILE, overrideable with -f flag.
ENVFILE="@sysconfdir@/rancid.conf"

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

# control_rancid argv
CR_ARGV=""; export CR_ARGV

# print a usage message to stderr
pr_usage() {
    echo "usage: $0 [-f config_file] [-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
      -f)
          shift
          # next arg is the device name
          ENVFILE="$1"
          if [ -z $ENVFILE ]; then
              pr_usage
              exit 1
          fi
          shift
          ;;
	-r)
	    shift
	    # next arg is the device name
	    CR_ARGV="$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

. $ENVFILE


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@${GROUP}${MAILDOMAIN}"
		  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