From: Bob Glossman <bob.glossman@intel.com>
Date: Tue, 24 Nov 2015 19:29:43 +0000 (-0800)
Subject: LU-7103 test: avoid cat of /dev/urandom
X-Git-Tag: 2.7.64~13
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F50%2F17350%2F3;p=fs%2Flustre-release.git

LU-7103 test: avoid cat of /dev/urandom

Use a different command to generate a random number.
Using cat /dev/urandom doesn't work in all cases.

Test-Parameters: clientdistro=el7
testlist=ost-pools,ost-pools,ost-pools,ost-pools,ost-pools,ost-pools,ost-pools,
ost-pools,ost-pools,ost-pools,ost-pools,ost-pools,ost-pools,ost-pools

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: I63cfad2654cf654460263529457538965e373f82
Reviewed-on: http://review.whamcloud.com/17350
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/tests/ost-pools.sh b/lustre/tests/ost-pools.sh
index a53fa90..eb2ec58 100644
--- a/lustre/tests/ost-pools.sh
+++ b/lustre/tests/ost-pools.sh
@@ -683,7 +683,8 @@ test_7a()
 
 	# Generate pool with random name from 1 to 15 characters
 	for i in 1 9 15 ; do
-		POOLNAME=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $i |
+		POOLNAME=$(echo $$$RANDOM$RANDOM |
+			   tr -dc 'a-zA-Z0-9' | fold -w $i |
 			   head -n 1)
 		echo set poolname to $POOLNAME
 		helper_test_7a $POOLNAME