cluster: STABLE3 - cman init: implement groupd protocol negotiation check

cluster: STABLE3 - cman init: implement groupd protocol negotiation check

[Fabio M. Di Nitto]

Gitweb:        http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=c685efb1ca60e907f1a1d36ba371ed8241c1586e
Commit:        c685efb1ca60e907f1a1d36ba371ed8241c1586e
Parent:        f2403d0b27b164f575af8edcfd52ffe097d17e97
Author:        Fabio M. Di Nitto <fdinitto@redhat.com>
AuthorDate:    Tue Mar 31 09:17:58 2009 +0200
Committer:     Fabio M. Di Nitto <fdinitto@redhat.com>
CommitterDate: Tue Mar 31 09:17:58 2009 +0200

cman init: implement groupd protocol negotiation check

as discussed with David, wait for groupd to negotiate the compat protocol.

this check is non-fatal but could be very informative when running
in full log for debugging.

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
---
 cman/init.d/cman.in |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/cman/init.d/cman.in b/cman/init.d/cman.in
index 3324268..5105173 100644
--- a/cman/init.d/cman.in
+++ b/cman/init.d/cman.in
@@ -490,7 +490,21 @@ stop_qdiskd()
 
 start_groupd()
 {
-	start_daemon groupd
+	start_daemon groupd || return 1
+
+	if [ "$INITLOGLEVEL" = "full" ]; then
+		ok
+		echo -n "   Waiting groupd protocol negotiation: "
+	fi
+	retries=0
+	while group_tool ls | \
+		grep -q pending && [ $retries -lt 10 ]; do
+		sleep 1
+		if [ "$INITLOGLEVEL" = "full" ]; then
+			echo -n "$retries "
+		fi
+		((retries++))
+	done
 }
 
 stop_groupd()