Rework of protocol startup

Use scripts to do start/stop (instead of disable template).
Integrate reload into new quagga-manager script

4 files changed, 181 insertions, 132 deletions

diff --git a/scripts/quagga-manager b/scripts/quagga-manager
new file mode 100755
index 00000000..1e6e5f06
--- /dev/null
+++ b/scripts/quagga-manager
@@ -0,0 +1,130 @@
+#! /bin/bash
+#
+# This is special script for start,stop,restart of quagga daemons
+#
+
+progname=$0
+usage() {
+    echo "Usage: $progname {start|stop|restart} {bgpd|ospfd|ripd|ripngd}"
+    exit 1
+}
+
+if [ $# -lt 1 ]; then
+    usage
+fi
+
+if [ $EUID -ne 0 ]; then
+    echo "must be root!"
+    exit 1
+fi
+
+pid_dir=/var/run/vyatta/quagga
+log_dir=/var/log/vyatta/quagga
+
+start() {
+    local daemon=$1
+    local exe_file=/usr/sbin/vyatta-$daemon
+
+    if [ ! -x $exe_file ]; then
+	echo "Unknown daemon $daemon"
+	exit 1
+    fi
+    
+    local -a args=( -d -P 0 -i ${pid_dir}/${daemon}.pid )
+    case $daemon in
+    zebra) args+=( -l -S -s 1048576 ) ;;
+    watchquagga)
+	    args=( -dz -p ${pid_dir}/${daemon}.pid );
+	    local -a daemons=(`/opt/vyatta/bin/vyatta-show-protocols configured`)
+	    if [ ${#daemons} -eq 0 ]
+	    then 
+		# Only zebra: mode 1 simple restart
+		args+=( -R "$0 zebra restart" )
+	    else
+		# Many daemons: phased restart
+		args+=(-A -r "$0 restart \%s" -s "$0 start \%s" -k "$0 stop \%s" );
+	    fi
+	    args+=( zebra $daemons )
+	    ;;
+    esac
+
+    start-stop-daemon --start --quiet \
+	--chdir $log_dir --exec $exe_file \
+	-- "${args[@]}"
+}
+
+stop() {
+    local daemon=$1
+    local exe_file=/usr/sbin/vyatta-$daemon
+
+    start-stop-daemon --stop --quiet --oknodo --retry 2 \
+	--exec $exe_file
+    rm -f $pid_dir/${daemon}.pid
+}
+
+vyatta_cfg=/opt/vyatta/config/active
+reload_config() {
+    local daemon=$1
+    local proto=${daemon/%d/}
+    local path=$vyatta_cfg/protocols/$proto
+
+    # No point in reloading if that portion of config doesn't exist
+    [ -d $path ] || return;
+
+    # Begin reloading transaction
+    /opt/vyatta/sbin/vyatta-cfg-cmd-wrapper begin || exit 1
+
+    # In case of error undo
+    trap "/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper end" EXIT HUP INT QUIT TERM
+    
+    # Save current configuration
+    tmp=/tmp/${daemon}-restart.$$
+    /opt/vyatta/sbin/vyatta-save-config.pl $tmp || exit 1
+
+    # Erase portion of active configuration for that protocol
+    rm -fr $path
+
+    # special case for interface configuration
+    case $proto in
+    rip|ospf)
+	    find $vyatta_cfg/interfaces -type d -name $daemon -exec rm -fr '{}' \; ;;
+    esac
+
+    # Reload causing configuration to activate - implies commit
+    /opt/vyatta/sbin/vyatta-load-config.pl $tmp || exit 1
+
+    # remove tmp file if successful
+    rm $tmp
+    trap "" EXIT HUP INT QUIT TERM
+}
+
+
+case "$1" in
+    start) start $2;;
+    stop)  stop $2;;
+
+    update)
+	deleted=`/opt/vyatta/bin/vyatta-show-protocols deleted`
+	added=`/opt/vyatta/bin/vyatta-show-protocols added`
+
+	# nothing lost, nothing gained
+	[ -z "$deleted" -a -z "$added" ] && exit 0
+
+	stop watchquagga
+	for daemon in $deleted
+	do stop ${daemon}
+	done
+
+	start watchquagga
+	;;
+
+    restart)
+	# Restart single daemon
+	stop $2
+	start $2
+	reload_config $2
+	;;
+    *)
+	usage;;
+esac
+
diff --git a/scripts/vyatta-protocol b/scripts/vyatta-protocol
deleted file mode 100755
index 65ee3d76..00000000
--- a/scripts/vyatta-protocol
+++ /dev/null
@@ -1,66 +0,0 @@
-#! /bin/bash
-#
-# This is special script for start,stop,restart of quagga daemons
-#
-progname=$0
-usage() {
-    echo "Usage: $progname {start|stop|restart} {bgpd|ospfd|ripd|ripngd}"
-    exit 1
-}
-
-if [ $# -lt 2 ]; then
-    usage
-fi
-
-
-daemon=$2
-exe_file=/usr/sbin/vyatta-$daemon
-
-pid_dir=/var/run/vyatta/quagga
-pid_file=$pid_dir/${daemon}.pid
-log_dir=/var/log/vyatta/quagga
-
-if [ ! -x $exe_file ]; then
-    echo "Unknown daemon $daemon"
-    exit 1
-fi
-
-if [ $EUID -ne 0 ]; then
-    echo "must be root!"
-    exit 1
-fi
-
-case "$1" in
-    start)
-	start-stop-daemon --start --quiet \
-	    --chdir $log_dir --exec $exe_file \
-	    -- -d -P 0 -i $pid_dir/${daemon}.pid
-	start-stop-daemon --start --quiet \
-	    --chdir $log_dir \
-	    --exec /usr/sbin/vyatta-watchquagga \
-	    -- -p $pid_dir/watch-${daemon}.pid \
-               -dz -r "$0 restart %s" $daemon
-	;;
-
-    stop) 
-	start-stop-daemon --stop --quiet --oknodo --retry 2 \
-	    --pidfile $pid_dir/watch-${daemon}.pid
-	rm -f $pid_dir/watch-${daemon}.pid
-	start-stop-daemon --stop --quiet --oknodo --retry 2 \
-	    --exec $exe_file
-	rm -f $pid_dir/${daemon}.pid
-	;;
-
-    restart)
-	# Restart daemon
-	start-stop-daemon --stop --quiet --oknodo --exec $exe_file
-	start-stop-daemon --start --quiet \
-	    --chdir $log_dir --exec $exe_file \
-	    -- -d -P 0 -i $pid_dir/${daemon}.pid
-
-	sudo /opt/vyatta/sbin/vyatta-reload-proto-config ${daemon/%d/}
-	;;
-    *)
-	usage;;
-esac
-
diff --git a/scripts/vyatta-reload-proto-config b/scripts/vyatta-reload-proto-config
deleted file mode 100755
index 7fa75cc4..00000000
--- a/scripts/vyatta-reload-proto-config
+++ /dev/null
@@ -1,66 +0,0 @@
-#! /bin/bash
-# Author: Stephen Hemminger
-# Date: 2009
-# Description: reload portion of configuration
-
-# **** License ****
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2006, 2007, 2008 Vyatta, Inc.
-# All Rights Reserved.
-# **** End License ****
-
-if [ $# -eq 0 ]; then
-   echo "Usage: $0 {bgp|ospf|rip|ripng}"
-   exit 1
-fi
-
-if [ $EUID -ne 0 ]; then
-   echo "Must be root"
-   exit 1
-fi
-
-vyatta_cfg=/opt/vyatta/config/active
-daemon=$1
-path=$vyatta_cfg/protocols/$daemon
-
-# No point in reloading if that portion of config doesn't exist
-if [ ! -d $path ];  then
-   echo "$path does not exist"
-   exit 1
-fi
-
-# Begin reloading transaction
-/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper begin || exit 1
-
-# In case of error undo
-trap "/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper end" EXIT HUP INT QUIT TERM
-
-# Save current configuration
-tmp=/tmp/${daemon}-restart.$$
-/opt/vyatta/sbin/vyatta-save-config.pl $tmp || exit 1
-
-# Erase portion of active configuration for that protocol
-rm -fr $path
-
-# special case for interface configuration
-case $daemon in
-    rip|ospf) find $vyatta_cfg/interfaces -type d -name $daemon \
-	-exec rm -fr '{}' \;
-	;;
-esac
-
-# Reload causing configuration to activate - implies commit
-/opt/vyatta/sbin/vyatta-load-config.pl $tmp || exit 1
-
-# remove tmp file if successful
-rm $tmp
-
diff --git a/scripts/vyatta-show-protocols b/scripts/vyatta-show-protocols
new file mode 100755
index 00000000..c81dcb82
--- /dev/null
+++ b/scripts/vyatta-show-protocols
@@ -0,0 +1,51 @@
+#! /usr/bin/perl
+# Author: Stephen Hemminger
+# Date: 2009
+# Description: Helper script to display configured protocols
+
+# **** License ****
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2006, 2007, 2008 Vyatta, Inc.
+# All Rights Reserved.
+# **** End License ****
+
+use lib "/opt/vyatta/share/perl5";
+use Vyatta::Config;
+use strict;
+use warnings;
+
+# Map from command line to config->XXX() function
+my %actions = (
+    'configured' => 'exists',
+    'added'	 => 'isAdded',
+    'changed'	 => 'isChanged',
+    'deleted'	 => 'isDeleted',
+);
+
+my @protocols = qw(bgp isis ospf ospf6 rip ripng);
+
+sub usage {
+    die "Usage: $0 {",join('|',keys %actions),"}\n"
+}
+
+usage if ($#ARGV == -1);
+my $match = $actions{$ARGV[0]};
+usage unless $match;
+
+my $config = new Vyatta::Config;
+$config->setLevel('protocols');
+    
+# Avoid the urge to do Perl Golf here...
+my @found = grep { $config->$match($_) } @protocols;
+my @daemons = map { $_ . 'd' } @found;
+print join(' ', @daemons), "\n";
+