diff options
Diffstat (limited to 'xenserver/etc_init.d_openvswitch')
| -rwxr-xr-x | xenserver/etc_init.d_openvswitch | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/xenserver/etc_init.d_openvswitch b/xenserver/etc_init.d_openvswitch new file mode 100755 index 000000000..f531d45ce --- /dev/null +++ b/xenserver/etc_init.d_openvswitch @@ -0,0 +1,440 @@ +#!/bin/bash +# +# openvswitch +# +# chkconfig: 2345 09 91 +# description: Manage Open vSwitch kernel modules and user-space daemons + +# Copyright (C) 2009, 2010 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. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# 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. + +. /etc/init.d/functions + +test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch + +# General config variables in /etc/sysconfig/openvswitch +: ${ENABLE_BRCOMPAT:=y} +: ${ENABLE_FAKE_PROC_NET:=y} +: ${ENABLE_MONITOR:=y} +: ${FORCE_COREFILES:=y} + +# Config variables specific to ovsdb-server +: ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,managers} +: ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db} +: ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid} +: ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch} +: ${OVSDB_SERVER_PRIORITY:=-10} +: ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log} +: ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO} +: ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR} +: ${OVSDB_SERVER_MEMLEAK_LOGFILE:=} +: ${OVSDB_SERVER_STRACE_LOG:=} +: ${OVSDB_SERVER_STRACE_OPT:=} +: ${OVSDB_SERVER_VALGRIND_LOG:=} +: ${OVSDB_SERVER_VALGRIND_OPT:=} + +# Config variables specific to ovs-vswitchd +: ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock} +: ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema} +: ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid} +: ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch} +: ${VSWITCHD_PRIORITY:=-10} +: ${VSWITCHD_MLOCKALL:=yes} +: ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log} +: ${VSWITCHD_FILE_LOGLEVEL:=INFO} +: ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR} +: ${VSWITCHD_MEMLEAK_LOGFILE:=} +: ${VSWITCHD_STRACE_LOG:=} +: ${VSWITCHD_STRACE_OPT:=} +: ${VSWITCHD_VALGRIND_LOG:=} +: ${VSWITCHD_VALGRIND_OPT:=} + +# Config variables specific to ovs-brcompatd +: ${BRCOMPATD_PIDFILE:=/var/run/openvswitch/ovs-brcompatd.pid} +: ${BRCOMPATD_RUN_DIR:=/var/xen/openvswitch} +: ${BRCOMPATD_PRIORITY:=-10} +: ${BRCOMPATD_LOGFILE:=/var/log/openvswitch/ovs-brcompatd.log} +: ${BRCOMPATD_FILE_LOGLEVEL:=INFO} +: ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR} +: ${BRCOMPATD_MEMLEAK_LOGFILE:=} +: ${BRCOMPATD_STRACE_LOG:=} +: ${BRCOMPATD_STRACE_OPT:=} +: ${BRCOMPATD_VALGRIND_LOG:=} +: ${BRCOMPATD_VALGRIND_OPT:=} + +# Full paths to executables & modules +ovsdb_server="/usr/sbin/ovsdb-server" +ovsdb_tool="/usr/bin/ovsdb-tool" +vswitchd="/usr/sbin/ovs-vswitchd" +brcompatd="/usr/sbin/ovs-brcompatd" +dpctl="/usr/bin/ovs-dpctl" +appctl="/usr/bin/ovs-appctl" +ofctl="/usr/bin/ovs-ofctl" +vsctl="/usr/bin/ovs-vsctl" + +if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then + if [ "$ENABLE_BRCOMPAT" != "y" ]; then + warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling." + ENABLE_BRCOMPAT="y" + fi +fi + +if test "$ENABLE_MONITOR" = "y"; then + monitor_opt="--monitor" +else + monitor_opt= +fi + +function dp_list { + "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1 +} + +function turn_on_corefiles { + ulimit -Sc 67108864 +} + +function remove_all_dp { + for dp in $(dp_list); do + action "Removing datapath: $dp" "$dpctl" del-dp "$dp" + done +} + +function insert_modules_if_required { + if ! lsmod | grep -q "openvswitch_mod"; then + action "Inserting llc module" modprobe llc + action "Inserting openvswitch module" modprobe openvswitch_mod + fi + if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then + action "Inserting brcompat module" modprobe brcompat_mod + fi + if [ -f "/lib/modules/`uname -r`/kernel/net/openvswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then + action "Inserting ip_gre module" modprobe ip_gre_mod + fi +} + +function remove_modules { + if lsmod | grep -q "brcompat_mod"; then + action "Removing brcompat module" rmmod brcompat_mod.ko + fi + if lsmod | grep -q "openvswitch_mod"; then + action "Removing openvswitch module" rmmod openvswitch_mod.ko + fi + if lsmod | grep -q "ip_gre_mod"; then + action "Removing ip_gre module" rmmod ip_gre_mod.ko + fi +} + +function start_ovsdb_server { + local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}" + local logfile_file_opt="" + local logfile_level_opt="" + if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then + install -d -m 755 -o root -g root "$OVSDB_SERVER_RUN_DIR" + fi + cd "$OVSDB_SERVER_RUN_DIR" + local remotes= + for remote in $OVSDB_SERVER_REMOTES; do + remotes="$remotes --remote=$remote" + done + + install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_LOGFILE` + if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then + logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}" + logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE" + fi + + local leak_opt="" + if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then + leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE" + if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then + mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev" + fi + fi + local strace_opt="" + local daemonize="y" + if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then + printf "Can not start with both VALGRIND and STRACE\n" + exit 1 + fi + if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then + strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT" + daemonize="n" + fi + if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then + valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT" + daemonize="n" + fi + ssl_opts="--private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert" + install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_PIDFILE` + if [ "$daemonize" != "y" ]; then + # Start in background and force a "success" message + action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true + (nice -n "$OVSDB_SERVER_PRIORITY" $strace_opt $valgrind_opt "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes $ssl_opts) & + else + action "Starting ovsdb-server" nice -n "$OVSDB_SERVER_PRIORITY" "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes $ssl_opts + fi +} + +function start_vswitchd { + local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}" + local logfile_file_opt="" + local logfile_level_opt="" + if [ ! -d "$VSWITCHD_RUN_DIR" ]; then + install -d -m 755 -o root -g root "$VSWITCHD_RUN_DIR" + fi + cd "$VSWITCHD_RUN_DIR" + + install -d -m 755 -o root -g root `dirname $VSWITCHD_LOGFILE` + if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then + logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}" + logfile_file_opt="--log-file=$VSWITCHD_LOGFILE" + fi + + local leak_opt="" + if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then + leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE" + if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then + mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev" + fi + fi + local strace_opt="" + local daemonize="y" + if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then + printf "Can not start with both VALGRIND and STRACE\n" + exit 1 + fi + if [ -n "$VSWITCHD_STRACE_LOG" ]; then + strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT" + daemonize="n" + fi + if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then + valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT" + daemonize="n" + fi + local fake_proc_net_opt="" + if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then + fake_proc_net_opt="--fake-proc-net" + fi + if [ "$VSWITCHD_MLOCKALL" != "no" ]; then + mlockall_opt="--mlockall" + fi + + install -d -m 755 -o root -g root `dirname $VSWITCHD_PIDFILE` + if [ "$daemonize" != "y" ]; then + # Start in background and force a "success" message + action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true + (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $mlockall_opt "$VSWITCHD_OVSDB_SERVER") & + else + action "Starting ovs-vswitchd" nice -n "$VSWITCHD_PRIORITY" "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $mlockall_opt "$VSWITCHD_OVSDB_SERVER" + fi +} + +function start_brcompatd { + local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}" + local logfile_file_opt="" + local logfile_level_opt="" + if [ -d "$BRCOMPATD_RUN_DIR" ]; then + install -d -m 755 -o root -g root "$BRCOMPATD_RUN_DIR" + fi + cd "$BRCOMPATD_RUN_DIR" + + install -d -m 755 -o root -g root `dirname $BRCOMPATD_LOGFILE` + if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then + logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}" + logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE" + fi + + local leak_opt="" + if [ -n "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then + leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE" + if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then + mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev" + fi + fi + local strace_opt="" + local daemonize="y" + if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then + printf "Can not start with both VALGRIND and STRACE\n" + exit 1 + fi + if [ -n "$BRCOMPATD_STRACE_LOG" ]; then + strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT" + daemonize="n" + fi + if [ -n "$VALGRIND_LOG" ]; then + valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT" + daemonize="n" + fi + appctl_cmd="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" + + install -d -m 755 -o root -g root `dirname $BRCOMPATD_PIDFILE` + if [ "$daemonize" != "y" ]; then + # Start in background and force a "success" message + action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true + (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd"--no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER") & + else + action "Starting ovs-brcompatd" nice -n "$BRCOMPATD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd" --no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE --detach $monitor_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER" + fi +} + +function stop_ovsdb_server { + if [ -f "$OVSDB_SERVER_PIDFILE" ]; then + local pid=$(cat "$OVSDB_SERVER_PIDFILE") + action "Killing ovsdb-server ($pid)" kill -TERM $pid + rm -f "$OVSDB_SERVER_PIDFILE" + fi +} + +function stop_vswitchd { + if [ -f "$VSWITCHD_PIDFILE" ]; then + local pid=$(cat "$VSWITCHD_PIDFILE") + action "Killing ovs-vswitchd ($pid)" kill -TERM $pid + rm -f "$VSWITCHD_PIDFILE" + fi +} + +function stop_brcompatd { + if [ -f "$BRCOMPATD_PIDFILE" ]; then + local pid=$(cat "$BRCOMPATD_PIDFILE") + action "Killing ovs-brcompatd ($pid)" kill -TERM $pid + rm -f "$BRCOMPATD_PIDFILE" + fi +} + +function restart_approval { + if test ! -t 0; then + # Don't prompt if invoked non-interactively. + return 0 + fi + cat <<EOF + +WARNING!!! + +Restarting Open vSwitch on a live server is not guaranteed to work. It is +provided as a convenience for those situations in which it does work. + +EOF + read -s -r -n 1 -p "Countinue with restart (y/N): " response + printf "\n" + case "$response" in + y|Y) + return 0 + ;; + *) + return 1 + ;; + esac +} + +function set_system_uuid { + system_uuid=$(. /etc/xensource-inventory && echo $INSTALLATION_UUID) + if test -n "$system_uuid"; then + action "Configuring Open vSwitch system UUID" true + $vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$system_uuid" + else + action "Configuring Open vSwitch system UUID" false + fi +} + +function start { + if [ "$FORCE_COREFILES" = "y" ]; then + turn_on_corefiles + fi + + insert_modules_if_required + + # Increase the limit on the number of open file descriptors since + # ovs-vswitchd needs a few per bridge + ulimit -n 4096 + + # Allow GRE traffic. + iptables -I INPUT -p gre -j ACCEPT + + if [ ! -e "$OVSDB_SERVER_DB" ]; then + warning "$OVSDB_SERVER_DB does not exist" + install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB` + + action "Creating empty database $OVSDB_SERVER_DB" true + $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA" + else + # 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 + 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 + done + fi + + set_system_uuid + + start_vswitchd + start_brcompatd + touch /var/lock/subsys/openvswitch +} + +function stop { + stop_brcompatd + stop_vswitchd + stop_ovsdb_server + rm -f /var/lock/subsys/openvswitch +} + +function restart { + if restart_approval; then + stop + start + fi +} + +case "$1" in + start) + start + ;; + stop) + stop + ;; + restart) + restart + ;; + strace-vswitchd) + shift + strace -p $(cat "$VSWITCHD_PIDFILE") "$@" + ;; + strace-brcompatd) + shift + strace -p $(cat "$BRCOMPATD_PIDFILE") "$@" + ;; + status) + status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server + status -p "$VSWITCHD_PIDFILE" ovs-vswitchd + status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd + ;; + version) + /usr/sbin/ovsdb-server -V + /usr/sbin/ovs-vswitchd -V + /usr/sbin/ovs-brcompatd -V + ;; + help) + printf "openvswitch [start|stop|restart|unload|status|version]\n" + ;; + *) + printf "Unknown command: $1\n" + exit 1 + ;; +esac |