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#!/bin/sh
##
##
## Copyright (C) 1996 by Henry Kilmer.
## All rights reserved.
##
## This software may be freely copied, modified and redistributed without
## fee for non-commerical purposes provided that this copyright notice is
## preserved intact on all copies and modified copies.
##
## 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.
##
##
#
# control_rancid $GROUP
#
# Number of things par should run in parallel.
PAR_COUNT=5
# Must specify a group to run rancid
if [ $# -lt 1 ]; then
echo 'must specify group'; exit 1
else
GROUP=$1
fi
TMP=/var/tmp/rancid.$GROUP.$$
DIR=$BASEDIR/$GROUP
# Bail if we do not have the necessary info to run
if [ ! -d $DIR ]
then
(
echo "$DIR does not exist."
) | Mail -s "no $GROUP directory" rancid-admin-$GROUP
exit 1
fi
if [ ! -f $DIR/router.db ]
then
(
echo "$DIR/router.db does not exist."
) | Mail -s "no $GROUP/router.db file" rancid-admin-$GROUP
exit 1;
elif [ ! -s $DIR/router.db ]
then
exit
fi
# generate the list of routers we should try to fetch
cd $DIR
rm -f $DIR/allrouters.new
perl -F: -ane '{($F[0] =~ tr@A-Z@a-z@,print "$F[0]:$F[1]\n")
if ($F[2] =~ /^up$/i);}' $DIR/router.db | sort -u > $DIR/allrouters.new
if diff $DIR/allrouters $DIR/allrouters.new > $DIR/allrouters.diffs
then
rm -f $DIR/allrouters.new
else
(
echo New routers:
comm -13 $DIR/allrouters $DIR/allrouters.new | sed -e 's/^/ /' -e 's/:.*$//'
echo
echo Deleted routers:
comm -23 $DIR/allrouters $DIR/allrouters.new | sed -e 's/^/ /' -e 's/:.*$//'
) | Mail -s "changes in $GROUP routers" rancid-admin-$GROUP
cd $DIR/configs
# Add new routers to the CVS structure.
for router in `comm -13 $DIR/allrouters $DIR/allrouters.new`
do
OFS=$IFS
IFS=:
set $router
IFS=$OFS
router=$1
touch $router
cvs add $router
cvs commit -m 'new router' $router
echo "Added $router"
done
echo
cd $DIR
mv $DIR/allrouters.new $DIR/allrouters
fi
rm -f $DIR/allrouters.diffs $DIR/allrouters.new
# no routers, empty list or all 'down'
if [ ! -s $DIR/allrouters ]
then
exit;
fi
# Now we can actually try to get the configs
cd $DIR/configs
# The number of processes running at any given time can be
# tailored to the specific installation.
echo "Trying to get all of the configs."
par -q -n $PAR_COUNT -c "rancid-fe \{}" $DIR/allrouters
# This section will generate a list of missed routers
# and try to grab them again. It will run through
# $pass times.
pass=4
round=1
if [ -f $DIR/allrouters.missed ]; then
rm -f $DIR/allrouters.missed
fi
while [ $round -le $pass ]
do
echo "====================================="
echo "Getting missed routers: round $round."
for router in `cat $DIR/allrouters`
do
OFS=$IFS
IFS=':'
set $router
IFS=$OFS
router=$1; mfg=$2
if [ ! -f $DIR/configs/$router.new ]
then
echo "$router:$mfg" >> $DIR/allrouters.missed
fi
done
if [ -f $DIR/allrouters.missed ]; then
par -q -n $PAR_COUNT -c "rancid-fe \{}" $DIR/allrouters.missed
rm -f $DIR/allrouters.missed
round=`expr $round + 1`
else
echo "All routers sucessfully completed."
round=`expr $pass + 1`
fi
done
echo
# Now that we have the new configs, rename them to their proper
# name.
rename 's/.new$//' *.new
# This has been different for different machines...
# Diff the directory and then checkin.
cd $DIR
#cvs diff -c3 >$TMP.diff
#cvs diff -C 3 >$TMP.diff
cat > $TMP.sedf << EOF
/^RCS file: /d
#/^retrieving revision /d
/^--- /d
/^+++ /d
s/^\([-+ ]\)/\1 /
EOF
cvs -f diff -u -4 | sed -f $TMP.sedf >$TMP.diff
rm -f $TMP.sedf
cvs commit -m updates
# Mail out the diffs (if there are any).
if [ -s $TMP.diff ]; then
sendmail -t <<EMAIL
To: rancid-$GROUP
Subject: $GROUP router config diffs
Precedence: bulk
`cat $TMP.diff`
EMAIL
fi
# If any machines have not been reached within 24 hours, mail
# out a list of them.
cd $DIR/configs
rm -f $DIR/routers.failed
perl -F: -ane '{$t = (stat($F[0]))[9]; print `ls -ld $F[0]`
if (time() - $t >= 86400);}' $DIR/allrouters | sort -u > $DIR/routers.failed
if [ -s $DIR/routers.failed ]
then
(
cat <<END
The following routers have not been successfully contacted within the
last 24 hours.
END
cat $DIR/routers.failed
) | Mail -s "config fetcher problems - $GROUP" rancid-admin-$GROUP
fi
# Cleanup
rm -f $TMP.diff $TMP.lst
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