bindir=${OVS_BINDIR-'@bindir@'} # /usr/bin
sbindir=${OVS_SBINDIR-'@sbindir@'} # /usr/sbin
+# /etc/openvswitch or /var/lib/openvswitch
+if test X"$OVS_DBDIR" != X; then
+ dbdir=$OVS_DBDIR
+elif test X"$OVS_SYSCONFDIR" != X; then
+ dbdir=$OVS_SYSCONFDIR/openvswitch
+else
+ dbdir='@DBDIR@'
+fi
+
+ovs_ctl_log () {
+ echo "$@" >> "${logdir}/ovs-ctl.log"
+}
+
+ovs_ctl () {
+ case "$@" in
+ *"=strace"*)
+ # In case of running the daemon with strace, piping the o/p causes
+ # the script to block (strace probably does not close the inherited
+ # pipe). So, do not log the o/p to ovs-ctl.log.
+ "${datadir}/scripts/ovs-ctl" "$@"
+ ;;
+ "status")
+ # In case of the command 'status', we should return the exit status
+ # of ovs-ctl. It is also useful to document the o/p in ovs-ctl.log.
+ display=`"${datadir}/scripts/ovs-ctl" "$@" 2>&1`
+ rc=$?
+ if test -w "${logdir}/ovs-ctl.log"; then
+ echo "${display}" | tee -a "${logdir}/ovs-ctl.log"
+ else
+ echo "${display}"
+ fi
+ return ${rc}
+ ;;
+ *)
+ echo "`date -u`:$@" >> "${logdir}/ovs-ctl.log"
+ "${datadir}/scripts/ovs-ctl" "$@" 2>&1 | tee -a "${logdir}/ovs-ctl.log"
+ ;;
+ esac
+}
+
VERSION='@VERSION@'
+DAEMON_CWD=/
+
LC_ALL=C; export LC_ALL
## ------------- ##
test -d /proc/"$1"
}
+pid_comm_check () {
+ [ "$1" = "`cat /proc/$2/comm`" ]
+}
+
start_daemon () {
priority=$1
wrapper=$2
shift; shift
daemon=$1
+ strace=""
# drop core files in a sensible place
test -d "$DAEMON_CWD" || install -d -m 755 -o root -g root "$DAEMON_CWD"
case $wrapper in
valgrind)
if (valgrind --version) > /dev/null 2>&1; then
- set valgrind -q --leak-check=full \
+ set valgrind -q --leak-check=full --time-stamp=yes \
--log-file="$logdir/$daemon.valgrind.log.%p" "$@"
else
log_failure_msg "valgrind not installed, running $daemon without it"
;;
strace)
if (strace -V) > /dev/null 2>&1; then
- set strace -D -ff -o "$logdir/$daemon.strace.log" "$@"
+ strace="strace -tt -T -s 256 -ff"
+ if (strace -DV) > /dev/null 2>&1; then
+ # Has the -D option.
+ set $strace -D -o "$logdir/$daemon.strace.log" "$@"
+ strace=""
+ fi
else
log_failure_msg "strace not installed, running $daemon without it"
fi
;;
+ glibc)
+ set env MALLOC_CHECK_=2 MALLOC_PERTURB_=165 "$@"
+ ;;
'')
;;
*)
fi
action "Starting $daemon" "$@"
+
+ if test X"$strace" != X; then
+ # Strace doesn't have the -D option so we attach after the fact.
+ setsid $strace -o "$logdir/$daemon.strace.log" \
+ -p `cat $rundir/$daemon.pid` > /dev/null 2>&1 &
+ fi
}
-DAEMON_CWD=/
stop_daemon () {
if test -e "$rundir/$1.pid"; then
if pid=`cat "$rundir/$1.pid"`; then
- for action in TERM .1 .25 .65 1 1 1 1 KILL 1 1 1 1 FAIL; do
+ for action in EXIT .1 .25 .65 1 \
+ TERM .1 .25 .65 1 1 1 1 \
+ KILL 1 1 1 2 10 15 30 \
+ FAIL; do
+ if pid_exists "$pid" >/dev/null 2>&1; then :; else
+ return 0
+ fi
case $action in
+ EXIT)
+ action "Exiting $1 ($pid)" \
+ ${bindir}/ovs-appctl -T 1 -t $rundir/$1.$pid.ctl exit
+ ;;
TERM)
action "Killing $1 ($pid)" kill $pid
;;
return 1
;;
*)
- if pid_exists $pid >/dev/null 2>&1; then
- sleep $action
- else
- return 0
- fi
+ sleep $action
;;
esac
done
daemon_is_running () {
pidfile=$rundir/$1.pid
- test -e "$pidfile" && pid=`cat "$pidfile"` && pid_exists "$pid"
+ test -e "$pidfile" && pid=`cat "$pidfile"` && pid_exists "$pid" && pid_comm_check $1 $pid
} >/dev/null 2>&1
+
+# Prints commands needed to move the ip address from interface $1 to interface
+# $2
+move_ip_address () {
+ if [ -z "$1" ] || [ -z "$2" ]; then
+ return
+ fi
+ dev="$1"
+ dst="$2"
+
+ # IP addresses (including IPv6).
+ echo "ip addr flush dev $dev 2>/dev/null" # Suppresses "Nothing to flush".
+ ip addr show dev $dev | while read addr; do
+ set -- $addr
+
+ # Check and trim family.
+ family=$1
+ shift
+ case $family in
+ inet | inet6) ;;
+ *) continue ;;
+ esac
+
+ # Trim device off the end--"ip" insists on having "dev" precede it.
+ addrcmd=
+ while test $# != 0; do
+ case $1 in
+ dynamic)
+ # Omit kernel-maintained route.
+ continue 2
+ ;;
+ scope)
+ if test "$2" = link -a "$family" != inet6; then
+ # Omit route derived from IP address, e.g.
+ # 172.16.0.0/16 derived from 172.16.12.34,
+ # but preserve IPv6 link-local address.
+ continue 2
+ fi
+ ;;
+ "$dev"|"$dev:"*)
+ # Address label string
+ label=`echo $1 | sed "s/$dev/$dst/"`
+ addrcmd="$addrcmd label $label"
+ shift
+ continue
+ ;;
+ esac
+ addrcmd="$addrcmd $1"
+ shift
+ done
+ if test "$1" != "$dev"; then
+ addrcmd="$addrcmd $1"
+ fi
+
+ echo ip -f $family addr add $addrcmd dev $dst
+ done
+}
+
+# Prints commands needed to move the ip route of interface $1 to interface $2
+move_ip_routes () {
+ if [ -z "$1" ] || [ -z "$2" ]; then
+ return
+ fi
+ dev="$1"
+ dst="$2"
+ echo "ip route flush dev $dev proto boot 2>/dev/null" # Suppresses "Nothing to flush".
+ ip route show dev $dev | while read route; do
+ # "proto kernel" routes are installed by the kernel automatically.
+ case $route in
+ *" proto kernel "*) continue ;;
+ esac
+
+ echo "ip route add $route dev $dst"
+ done
+}
+
+ovsdb_tool () {
+ ovsdb-tool -vconsole:off "$@"
+}
+
+create_db () {
+ DB_FILE="$1"
+ DB_SCHEMA="$2"
+ action "Creating empty database $DB_FILE" ovsdb_tool create "$DB_FILE" "$DB_SCHEMA"
+}
+
+upgrade_db () {
+ DB_FILE="$1"
+ DB_SCHEMA="$2"
+
+ schemaver=`ovsdb_tool schema-version "$DB_SCHEMA"`
+ if test ! -e "$DB_FILE"; then
+ log_warning_msg "$DB_FILE does not exist"
+ install -d -m 755 -o root -g root `dirname $DB_FILE`
+ create_db "$DB_FILE" "$DB_SCHEMA"
+ elif test X"`ovsdb_tool needs-conversion "$DB_FILE" "$DB_SCHEMA"`" != Xno; then
+ # Back up the old version.
+ version=`ovsdb_tool db-version "$DB_FILE"`
+ cksum=`ovsdb_tool db-cksum "$DB_FILE" | awk '{print $1}'`
+ backup=$DB_FILE.backup$version-$cksum
+ action "Backing up database to $backup" cp "$DB_FILE" "$backup" || return 1
+
+ # Compact database. This is important if the old schema did not enable
+ # garbage collection (i.e. if it did not have any tables with "isRoot":
+ # true) but the new schema does. In that situation the old database
+ # may contain a transaction that creates a record followed by a
+ # transaction that creates the first use of the record. Replaying that
+ # series of transactions against the new database schema (as "convert"
+ # does) would cause the record to be dropped by the first transaction,
+ # then the second transaction would cause a referential integrity
+ # failure (for a strong reference).
+ #
+ # Errors might occur on an Open vSwitch downgrade if ovsdb-tool doesn't
+ # understand some feature of the schema used in the OVSDB version that
+ # we're downgrading from, so we don't give up on error.
+ action "Compacting database" ovsdb_tool compact "$DB_FILE"
+
+ # Upgrade or downgrade schema.
+ if action "Converting database schema" ovsdb_tool convert "$DB_FILE" "$DB_SCHEMA"; then
+ :
+ else
+ log_warning_msg "Schema conversion failed, using empty database instead"
+ rm -f "$DB_FILE"
+ create_db "$DB_FILE" "$DB_SCHEMA"
+ fi
+ fi
+}