FIX: Detection if testpmd/l3fwd is up

Change-Id: Ibd2e038332fe2bdf0e5bd69bf7376a2a7357e901
Signed-off-by: Peter Mikus <pmikus@cisco.com>

1 files changed, 61 insertions, 41 deletions

diff --git a/tests/dpdk/dpdk_scripts/run_l3fwd.sh b/tests/dpdk/dpdk_scripts/run_l3fwd.sh
index 014ba2717f..3940cd4809 100755
--- a/tests/dpdk/dpdk_scripts/run_l3fwd.sh
+++ b/tests/dpdk/dpdk_scripts/run_l3fwd.sh
@@ -1,40 +1,54 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-set -x
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
-# Setting variables
-DPDK_DIR=dpdk
-ROOTDIR=/tmp/openvpp-testing
-L3FWDLOG=screenlog.0
-PWDDIR=$(pwd)
+set -xuo pipefail
 
-cpu_corelist=$1
-port_config=$2
-adj_mac0=$3
-adj_mac1=$4
-jumbo_frames=$5
+# Setting variables.
+DPDK_DIR="dpdk"
+ROOTDIR="/tmp/openvpp-testing"
+L3FWDLOG="screenlog.0"
+PWDDIR="$(pwd)"
 
-SCRIPT_NAME=$(basename $0)
+# Setting command line arguments.
+cpu_corelist="${1}"
+port_config="${2}"
+adj_mac0="${3}"
+adj_mac1="${4}"
+jumbo_frames="${5}"
 
-# define a function to get the l3fwd PID
+SCRIPT_NAME="$(basename $0)"
+
+# define a function to get the l3fwd PID.
 function get_l3fwd_pid()
 {
     pid_l3fwd=`sudo ps -elf | grep l3fwd | grep -v grep | grep -v SCREEN | grep -v ${SCRIPT_NAME} | awk '{print $4}'`
-    echo ${pid_l3fwd}
+    echo "${pid_l3fwd}"
 }
 
-# Try to kill the l3fwd
-# Don't use the pgrep and pkill
+# Try to kill the l3fwd.
+# Don't use the pgrep and pkill.
 l3fwd_pid=`get_l3fwd_pid`
-echo ${l3fwd_pid}
-if [ ! -z ${l3fwd_pid} ]; then
+echo "${l3fwd_pid}"
+if [ ! -z "${l3fwd_pid}" ]; then
     success=false
-    sudo kill -15 ${l3fwd_pid}
-    echo "RC = $?"
-    for attempt in {1..5}; do
+    sudo kill -15 "${l3fwd_pid}"
+    echo "RC = ${?}"
+    for attempt in {1..30}; do
         echo "Checking if l3fwd is still alive, attempt nr ${attempt}"
         l3fwd_pid=`get_l3fwd_pid`
-        if [ -z ${l3fwd_pid} ]; then
+        if [ -z "${l3fwd_pid}" ]; then
             echo "l3fwd is dead"
             success=true
             break
@@ -42,26 +56,26 @@ if [ ! -z ${l3fwd_pid} ]; then
         echo "l3fwd is still alive, waiting 1 second"
         sleep 1
     done
-    if [ "$success" = false ]; then
+    if [ "${success}" = false ]; then
         echo "The command sudo kill -15 l3fwd failed"
-        sudo kill -9 ${l3fwd_pid}
-        echo "RC = $?"
+        sudo kill -9 "${l3fwd_pid}"
+        echo "RC = ${?}"
         exit 1
     fi
 else
     echo "l3fwd is not running"
 fi
 
-# Try to kill the testpmd
+# Try to kill the testpmd.
 sudo pgrep testpmd
-if [ $? -eq "0" ]; then
+if [ ${?} -eq "0" ]; then
     success=false
     sudo pkill testpmd
-    echo "RC = $?"
-    for attempt in {1..5}; do
+    echo "RC = ${?}"
+    for attempt in {1..30}; do
         echo "Checking if testpmd is still alive, attempt nr ${attempt}"
         sudo pgrep testpmd
-        if [ $? -eq "1" ]; then
+        if [ ${?} -eq "1" ]; then
             echo "testpmd is dead"
             success=true
             break
@@ -69,24 +83,24 @@ if [ $? -eq "0" ]; then
         echo "testpmd is still alive, waiting 1 second"
         sleep 1
     done
-    if [ "$success" = false ]; then
+    if [ "${success}" = false ]; then
         echo "The command sudo pkill testpmd failed"
         sudo pkill -9 testpmd
-        echo "RC = $?"
+        echo "RC = ${?}"
         exit 1
     fi
 else
     echo "testpmd is not running"
 fi
 
+# Remove hugepages.
 sudo rm -f /dev/hugepages/*
 
 sleep 2
 
-#run the l3fwd
-cd ${ROOTDIR}/${DPDK_DIR}/
-rm -f ${L3FWDLOG}
-if [ "$jumbo_frames" = "yes" ]; then
+cd "${ROOTDIR}/${DPDK_DIR}/"
+rm -f "${L3FWDLOG}"
+if [ "${jumbo_frames}" = "yes" ]; then
     sudo sh -c "screen -dmSL DPDK-test ./examples/l3fwd/build/app/l3fwd \
     -l ${cpu_corelist} -n 4 --log-level 8 -- \
     -P -L -p 0x3 --config='${port_config}' \
@@ -99,8 +113,14 @@ else
     --eth-dest=0,${adj_mac0} --eth-dest=1,${adj_mac1} --parse-ptype"
 fi
 
-sleep 10
-less -r ${L3FWDLOG}
-
-cd ${PWDDIR}
+for attempt in {1..30}; do
+    echo "Checking if l3fwd is alive, attempt nr ${attempt}"
+    fgrep "L3FWD: entering main loop on lcore" "${L3FWDLOG}"
+    if [ "${?}" -eq "0" ]; then
+        cat "${L3FWDLOG}"
+        exit 0
+    fi
+    sleep 1
+done
 
+exit 1