Protocol daemon management

Bug 3828
Start protocols from configuration system, and use watchquagga
to restart protocol daemons after failure

1 files changed, 74 insertions, 0 deletions

diff --git a/scripts/vyatta-protocol b/scripts/vyatta-protocol
new file mode 100755
index 00000000..2d4ba430
--- /dev/null
+++ b/scripts/vyatta-protocol
@@ -0,0 +1,74 @@
+#! /bin/bash
+#
+# This is special script for start,stop,restart of quagga daemons
+#
+progname=$0
+usage() {
+    echo "Usage: $progname {start|stop|reload} {bgp|ospf|rip|ripng}"
+    exit 1;
+}
+
+if [ $# -lt 2 ]; then
+    usage
+fi
+
+protocol=$2
+daemon=${protocol}d
+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 protocol: $protocol";
+    exit 1;
+fi
+
+case "$1" in
+    start)
+	echo -n "Starting $protocol..."
+	sudo start-stop-daemon --start --quiet \
+	    --chdir $log_dir \
+	    --exec $exe_file \
+	    -- -d -P 0 -i $pid_dir/${daemon}.pid
+	sudo start-stop-daemon --start --quiet \
+	    --chdir $log_dir \
+	    --pidfile $pid_dir/watch-${daemon}.pid \
+	    --exec /usr/sbin/vyatta-watchquagga \
+	    -- -dz -R "/opt/vyatta/sbin/vyatta-quagga reload $protocol" $daemon
+	echo "done."
+	;;
+
+    stop) 
+	echo -n "Stopping $protocol..."
+	sudo start-stop-daemon --stop --quiet --oknodo --retry 2 \
+	    --pidfile $pid_dir/watch-${daemon}.pid
+	sudo start-stop-daemon --stop --quiet --oknodo --retry 2 \
+	    --exec $exe_file
+	echo "done."
+	;;
+
+    reload)
+	echo -n "Reloading $1..."
+	# Start new transaction
+	/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper begin
+
+	# In case of error undo
+	trap "/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper end" EXIT HUP INT QUIT TERM
+
+	# Save current configuration
+	tmp=/tmp/${protocol}-restart.$$
+	/opt/vyatta/sbin/vyatta-save-config.pl $tmp
+
+	# Erase active configuration for that protocol
+	rm -fr /opt/vyatta/config/active/protocols/$protocol
+
+	# Reload causing configuration to activate - implies commit
+	/opt/vyatta/sbin/vyatta-load-config.pl $TMP
+	echo "done."
+	;;
+    *)
+	usage;;
+esac
+