debian, rhel, xenserver: Ability to collect ovs-ctl logs.

[sliver-openvswitch.git] / utilities / ovs-lib.in

diff --git a/utilities/ovs-lib.in b/utilities/ovs-lib.in
index b8dc060..d010abf 100644 (file)
--- a/utilities/ovs-lib.in
+++ b/utilities/ovs-lib.in
@@ -28,8 +28,24 @@ datadir=${OVS_PKGDATADIR-'@pkgdatadir@'}        # /usr/share/openvswitch
 bindir=${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 () {
+    echo "`date -u`:$@" >> "${logdir}/ovs-ctl.log"
+    "${datadir}/scripts/ovs-ctl" "$@" 2>&1 | tee -a "${logdir}/ovs-ctl.log"
+}
+
 VERSION='@VERSION@'
 
+DAEMON_CWD=/
+
 LC_ALL=C; export LC_ALL
 
 ## ------------- ##
@@ -88,8 +104,10 @@ pid_exists () {
 
 start_daemon () {
     priority=$1
-    shift
+    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"
@@ -105,15 +123,52 @@ start_daemon () {
     set "$@" --pidfile="$rundir/$daemon.pid"
     set "$@" --detach --monitor
 
+    # wrapper
+    case $wrapper in
+        valgrind)
+            if (valgrind --version) > /dev/null 2>&1; then
+                set valgrind -q --leak-check=full --time-stamp=yes \
+                    --log-file="$logdir/$daemon.valgrind.log.%p" "$@"
+            else
+                log_failure_msg "valgrind not installed, running $daemon without it"
+            fi
+            ;;
+        strace)
+            if (strace -V) > /dev/null 2>&1; then
+                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 $daemon without it"
+            fi
+            ;;
+        glibc)
+            set env MALLOC_CHECK_=2 MALLOC_PERTURB_=165 "$@"
+            ;;
+        '')
+            ;;
+        *)
+            log_failure_msg "unknown wrapper $wrapper, running $daemon without it"
+            ;;
+    esac
+
     # priority
     if test X"$priority" != X; then
         set nice -n "$priority" "$@"
     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