xenserver: Only start ovs-external-ids on XenServer.

[sliver-openvswitch.git] / xenserver / etc_init.d_openvswitch

diff --git a/xenserver/etc_init.d_openvswitch b/xenserver/etc_init.d_openvswitch
index c52864e..31aa3fb 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.
@@ -18,8 +18,44 @@
 # 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
+
+# source function library
+if [ -f /etc/init.d/functions ]; then
+    . /etc/init.d/functions
+elif [ -f /etc/rc.d/init.d/functions ]; then
+    . /etc/rc.d/init.d/functions
+elif [ -f /lib/lsb/init-functions ]; then
+    . /lib/lsb/init-functions
+else
+    echo "$0: missing LSB shell function library" >&2
+    exit 1
+fi
 
-. /etc/init.d/functions
+if type action >/dev/null 2>&1; then
+    :
+else
+    # SUSE lacks action
+    action() {
+       STRING=$1
+       shift
+       "$@"
+       rc=$?
+       if [ $rc -eq 0 ] ; then
+              log_success_msg $"$STRING "
+       else
+              log_failure_msg $"$STRING "
+       fi
+       return $rc
+    }
+fi
 
 . /etc/xensource-inventory
 test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
@@ -117,6 +153,12 @@ 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
 }
@@ -290,12 +332,28 @@ EOF
     esac
 }
 
-function set_system_uuid {
-    if test -n "$INSTALLATION_UUID"; then
-        action "Configuring Open vSwitch system UUID" true
-        $vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$INSTALLATION_UUID"
+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
+        $vsctl --no-wait --timeout=5 set Open_vSwitch . \
+            ovs-version="$OVS_VERSION" \
+            system-type="$PRODUCT_BRAND" \
+            system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
+            external-ids:system-id="$INSTALLATION_UUID" \
+            external-ids:xs-system-uuid="$INSTALLATION_UUID"
     else
-        action "Configuring Open vSwitch system UUID" false
+       if test -f /etc/openvswitch/install_uuid.conf; then
+            . /etc/openvswitch/install_uuid.conf
+       elif INSTALLATION_UUID=`uuidgen`; then
+           echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
+       else
+           log_failure_msg "missing uuidgen, could not generate system UUID"
+           return
+        fi
+        $vsctl --no-wait --timeout=5 set Open_vSwitch . \
+            external-ids:system-id="$INSTALLATION_UUID"
+        action "Configuring Open vSwitch system IDs" true
     fi
 }
 
@@ -313,6 +371,7 @@ 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`
@@ -320,25 +379,41 @@ 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
 
-    set_system_uuid
+    set_system_ids
 
     start_vswitchd
     if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
         start_brcompatd
     fi
+
+    if [ -f /etc/xensource-inventory ]; then
+        # Start daemon to monitor external ids
+        PYTHONPATH=/usr/share/openvswitch/python \
+                   /usr/share/openvswitch/scripts/ovs-external-ids \
+                   --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
+    fi
+
     touch /var/lock/subsys/openvswitch
 }
 
@@ -346,6 +421,9 @@ function stop {
     stop_daemon BRCOMPATD "$brcompatd"
     stop_daemon VSWITCHD "$vswitchd"
     stop_daemon OVSDB_SERVER "$ovsdb_server"
+    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
 }
 
@@ -367,8 +445,10 @@ 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