xenserver: Add LSB init info to scripts.

[cascardo/ovs.git] / xenserver / etc_init.d_openvswitch

diff --git a/xenserver/etc_init.d_openvswitch b/xenserver/etc_init.d_openvswitch
index 0508445..c77132a 100755 (executable)
--- a/xenserver/etc_init.d_openvswitch
+++ b/xenserver/etc_init.d_openvswitch
@@ -5,7 +5,7 @@
 # chkconfig: 2345 09 91
 # description: Manage Open vSwitch kernel modules and user-space daemons
 
-# Copyright (C) 2009, 2010 Nicira Networks, Inc.
+# Copyright (C) 2009, 2010, 2011 Nicira Networks, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -18,6 +18,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+### BEGIN INIT INFO
+# Provides:          openvswitch-switch
+# Required-Start:    $network $named $remote_fs $syslog
+# Required-Stop:     $remote_fs
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Open vSwitch switch
+### END INIT INFO
+
 
 . /etc/init.d/functions
 
@@ -117,6 +126,12 @@ else
     monitor_opt=
 fi
 
+function hup_monitor_external_ids {
+    if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
+        action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-external-ids.pid`
+    fi
+}
+
 function dp_list {
     "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
 }
@@ -292,10 +307,12 @@ EOF
 
 function set_system_ids {
     if [ -f /etc/xensource-inventory ]; then
+        OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
         action "Configuring Open vSwitch system IDs" true
-        $vsctl --no-wait set Open_vSwitch . \
-            external-ids:system-type="$PRODUCT_BRAND" \
-            external-ids:system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
+        $vsctl --no-wait --timeout=5 set Open_vSwitch . \
+            ovs-version="$OVS_VERSION" \
+            system-type="$PRODUCT_BRAND" \
+            system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
             external-ids:system-id="$INSTALLATION_UUID" \
             external-ids:xs-system-uuid="$INSTALLATION_UUID"
     else
@@ -317,6 +334,7 @@ function start {
     # Allow GRE traffic.
     iptables -I INPUT -p gre -j ACCEPT
 
+    schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
     if [ ! -e "$OVSDB_SERVER_DB" ]; then
         warning "$OVSDB_SERVER_DB does not exist"
         install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
@@ -324,16 +342,24 @@ function start {
         action "Creating empty database $OVSDB_SERVER_DB" true
         $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
     else
+        # If schema version changed, then back up the old version.
+        oldver=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
+        if test "X$oldver" != "X$schemaver"; then
+            backup=$OVSDB_SERVER_DB.backup$oldver
+            action "Backing up $OVSDB_SERVER_DB in $backup before converting from schema version \"$oldver\" to \"$schemaver\"" true
+            cp "$OVSDB_SERVER_DB" "$backup"
+        fi
+
         # Upgrade or downgrade schema and compact database.
         $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
     fi
 
     start_ovsdb_server
-    $vsctl --no-wait init
+    $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
     if [ ! -e /var/run/openvswitch.booted ]; then
         touch /var/run/openvswitch.booted
         for bridge in $($vsctl list-br); do
-            $vsctl --no-wait del-br $bridge
+            $vsctl --no-wait --timeout=5 del-br $bridge
         done
     fi
 
@@ -346,8 +372,8 @@ function start {
 
     # Start daemon to monitor external ids
     PYTHONPATH=/usr/share/openvswitch/python \
-               /usr/share/openvswitch/scripts/monitor-external-ids \
-               --pidfile --detach "$VSWITCHD_OVSDB_SERVER"
+               /usr/share/openvswitch/scripts/ovs-external-ids \
+               --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
 
     touch /var/lock/subsys/openvswitch
 }
@@ -356,8 +382,8 @@ function stop {
     stop_daemon BRCOMPATD "$brcompatd"
     stop_daemon VSWITCHD "$vswitchd"
     stop_daemon OVSDB_SERVER "$ovsdb_server"
-    if [ -e /var/run/openvswitch/monitor-external-ids.pid ]; then
-        kill `cat /var/run/openvswitch/monitor-external-ids.pid`
+    if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
+        kill `cat /var/run/openvswitch/ovs-external-ids.pid`
     fi
     rm -f /var/lock/subsys/openvswitch
 }
@@ -380,8 +406,10 @@ case "$1" in
         restart
         ;;
     reload|force-reload)
-       # Nothing to do--ovs-vswitchd and ovsdb-server keep their configuration
-       # up-to-date all the time.
+        # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
+        # configuration up-to-date all the time.  HUP ovs-external-ids so it
+        # re-runs.
+        hup_monitor_external_ids
        ;;
     strace-vswitchd)
         shift