From: Ben Pfaff <blp@nicira.com>
Date: Wed, 11 Feb 2009 23:32:46 +0000 (-0800)
Subject: vswitch: Add startup and config files for the XenServer build.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=011cd26b69134d2d0307d4a7f987d0e84cd0de4e;p=openvswitch

vswitch: Add startup and config files for the XenServer build.
---

diff --git a/vswitchd/etc/README b/vswitchd/etc/README
new file mode 100644
index 00000000..0717652b
--- /dev/null
+++ b/vswitchd/etc/README
@@ -0,0 +1,3 @@
+The files in this subdirectory are intended to be installed into the
+/etc directory of a XenServer.  They are added to the XenServer
+distribution tarball by the automatic build system.
diff --git a/vswitchd/etc/init.d/vswitch b/vswitchd/etc/init.d/vswitch
new file mode 100755
index 00000000..b27099db
--- /dev/null
+++ b/vswitchd/etc/init.d/vswitch
@@ -0,0 +1,125 @@
+#!/bin/bash
+#
+# vswitch
+#
+# chkconfig: 2345 05 95
+# description: Manage vswitch kernel modules and user-space daemon
+#
+
+. /etc/init.d/functions
+
+test -e /etc/sysconfig/vswitch && . /etc/sysconfig/vswitch
+SYSLOG_LOGLEVEL="${SYSLOG_LOGLEVEL:-WARN}"
+FILE_LOGLEVEL="${FILE_LOGLEVEL:-}"
+PRIORITY="${PRIORITY:--5}"
+MEMLEAK_LOG="${MEMLEAK_LOG:-}"
+
+VSWITCH_BASE=/root/vswitch/openflow/build
+VSWITCHD_CONF=/etc/vswitchd.conf
+BRCOMPAT_CONF=/etc/vswitchd.brcompat.conf
+VSWITCHD_LOG=/var/log/vswitchd.log
+
+function dp_intf {
+	$VSWITCH_BASE/utilities/dpctl show nl:$1 | grep '^ LOCAL(' | cut -d'(' -f2 | cut -d')' -f1
+}
+
+function start {
+	if ! lsmod | grep -q "openflow_mod"; then
+		action "Inserting openflow module" insmod $VSWITCH_BASE/datapath/linux-2.6/openflow_mod.ko
+	fi
+	if ! lsmod | grep -q "brcompat_mod"; then
+		action "Inserting brcompat module" insmod $VSWITCH_BASE/datapath/linux-2.6/brcompat_mod.ko
+	fi
+	if [ "$1" != "restart" ]; then
+		# If we are not doing a restart, then presumably Xen's xapi will create all the bridges, etc.
+		# so the existing config file will just cause vswitchd to add a lot of useless ports
+		# which it will then conclude don't have any associated interfaces.  Therefore, we just
+		# nuke the config file before vswitchd is initially brought up.
+		# For debugging purposes, we save teh configuration file as it was when the system
+		# came up.
+		cp "$BRCOMPAT_CONF" "$BRCOMPAT_CONF.last"
+		rm -f "$BRCOMPAT_CONF"
+		touch "$BRCOMPAT_CONF"
+	fi
+    ulimit -c unlimited   # Ensure core dump on crash. Will be in '/'.
+    local syslog_opt="-vANY:SYSLOG:${SYSLOG_LOGLEVEL}"
+    local logfile_file_opt=""
+    local logfile_level_opt=""
+    if [ -n "$FILE_LOGLEVEL" ]; then
+        logfile_level_opt="-vANY:FILE:${FILE_LOGLEVEL}"
+        logfile_file_opt="--log-file=$VSWITCHD_LOG"
+    fi
+    local leak_opt=""
+    if [ -n "$MEMLEAK_LOG" ]; then
+        leak_opt="--check-leaks=$MEMLEAK_LOG"
+        if [ -e "$MEMLEAK_LOG" ]; then
+            mv "$MEMLEAK_LOG" "$MEMLEAK_LOG.last"
+        fi
+    fi
+	PATH=$VSWITCH_BASE/secchan:$PATH action "Starting vswitchd" nice -n "$PRIORITY" $VSWITCH_BASE/vswitchd/vswitchd -P/var/run/vswitchd.pid -D -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt -F "$VSWITCHD_CONF" -F "$BRCOMPAT_CONF" -b "$BRCOMPAT_CONF" $leak_opt
+	if [ "$1" = "restart" ]; then
+		sleep 2	   # Give time for vswitch to get up and running.
+		i=0
+		while test $i -lt 256; do
+			if $VSWITCH_BASE/utilities/dpctl show nl:$i >/dev/null 2>&1; then
+				intf=$(dp_intf $i)
+				if [ -e "/etc/sysconfig/network-scripts/ifcfg-$intf" ]; then
+					action "Bringing up datapath interface: $intf" ifup "$intf"
+				fi
+			fi
+			i=$((i + 1))
+		done
+	fi
+}
+
+function stop {
+	if [ -f /var/run/vswitchd.pid ]; then
+		action "Killing vswitchd" kill -TERM $(cat /var/run/vswitchd.pid)
+	fi
+	if [ -e /var/run/vswitchd.pid ]; then
+		rm -f /var/run/vswitchd.pid
+	fi
+	if [ "$1" = "restart" ]; then
+		i=0
+		while test $i -lt 256; do
+			if $VSWITCH_BASE/utilities/dpctl show nl:$i >/dev/null 2>&1; then
+				intf=$(dp_intf $i)
+				if [ -e "/etc/sysconfig/network-scripts/ifcfg-$intf" ]; then
+					action "Shutting down datapath interface: $intf" ifdown "$intf"
+				fi
+				action "Removing openflow datapath $i" $VSWITCH_BASE/utilities/dpctl deldp nl:$i
+			fi
+			i=$((i + 1))
+		done
+		action "Removing brcompat module" rmmod brcompat_mod.ko
+		action "Removing openflow module" rmmod openflow_mod.ko
+	fi
+}
+
+case "$1" in
+	start)
+		start
+		;;
+	stop)
+		stop
+		;;
+	restart)
+		stop restart
+		start restart
+		;;
+	reload)
+		if [ -f /var/run/vswitchd.pid ]; then
+			kill -HUP $(cat /var/run/vswitchd.pid)
+		fi
+		;;
+	unload)
+		stop restart
+		;;
+	status)
+		status -p vswitchd.pid vswitchd
+		;;
+    *)
+        printf "Unknown command: $1\n"
+        exit 1
+        ;;
+esac
diff --git a/vswitchd/etc/logrotate.d/vswitch b/vswitchd/etc/logrotate.d/vswitch
new file mode 100644
index 00000000..97e0e793
--- /dev/null
+++ b/vswitchd/etc/logrotate.d/vswitch
@@ -0,0 +1,7 @@
+/var/log/vswitchd.log {
+	sharedscripts
+	postrotate
+        # Send sighup to vswitch which will cause it to reopen its log files.
+        /sbin/service vswitch reload
+	endscript
+}
diff --git a/vswitchd/etc/sysconfig/vswitch.example b/vswitchd/etc/sysconfig/vswitch.example
new file mode 100644
index 00000000..3b244cd1
--- /dev/null
+++ b/vswitchd/etc/sysconfig/vswitch.example
@@ -0,0 +1,23 @@
+# SYSLOG_LOGLEVEL: Log level at which to log into syslog.  If this is null
+#     or not set the default is to log to syslog emergency and warning
+#     level messages only.   The available options are: EMER, WARN, INFO
+#     and DBG.
+# SYSLOG_LOGLEVEL="WARN"
+
+# FILE_LOGLEVEL: Log level at which to log into /var/log/vswitchd.log file.
+#     Options are the same as for SYSLOG_LOGLEVEL. If this is null or
+#     not set the logfile will not be created and nothing will be sent
+#     to it.  This is the default.
+# FILE_LOGLEVEL=""
+
+# PRIORITY: "nice" priority at which to run vswitchd and secchan processes
+# PRIORITY=5
+
+# MEMLEAK_LOG: if non-null, must be filename to which memory usage log is
+#     written by vswitchd.  This log file can be postprocessed to find
+#     incorrect memory allocation and free behavior.  If null or not set,
+#     no log will be generated.  Note that generating the log causes a
+#     significant performance hit and should only be done when debugging
+#     issues.
+# MEMLEAK_LOG=""
+
diff --git a/vswitchd/etc/vswitchd.brcompat.conf b/vswitchd/etc/vswitchd.brcompat.conf
new file mode 100644
index 00000000..e69de29b
diff --git a/vswitchd/etc/vswitchd.conf b/vswitchd/etc/vswitchd.conf
new file mode 100644
index 00000000..e69de29b