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Use shuf instead of $RANDOM everywhere.

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$RANDOM can cause collisions but shuf uses /dev/urandom so it ought to cause
fewer.

PiperOrigin-RevId: 298786344
This commit is contained in:
Eyal Soha
2020-03-04 00:15:49 -08:00
committed by gVisor bot
parent d949c33143
commit ef1219c145
1 changed files with 2 additions and 2 deletions
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test/packetdrill/packetdrill_test.sh
+2 -2
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@@ -91,8 +91,8 @@ fi
# Variables specific to the test runner start with TEST_RUNNER_.
declare -r PACKETDRILL="/packetdrill/gtests/net/packetdrill/packetdrill"
# Use random numbers so that test networks don't collide.
declare -r CTRL_NET="ctrl_net-${RANDOM}${RANDOM}"
declare -r TEST_NET="test_net-${RANDOM}${RANDOM}"
declare -r CTRL_NET="ctrl_net-$(shuf -i 0-99999999 -n 1)"
declare -r TEST_NET="test_net-$(shuf -i 0-99999999 -n 1)"
declare -r tolerance_usecs=100000
# On both DUT and test runner, testing packets are on the eth2 interface.
declare -r TEST_DEVICE="eth2"