VNFs/DPPD-PROX/helper-scripts/rapid/check_prox_system_setup.sh

   1 #!/usr/bin/env bash
   2 ##
   3 ## Copyright (c) 2010-2021 Intel Corporation
   4 ##
   5 ## Licensed under the Apache License, Version 2.0 (the "License");
   6 ## you may not use this file except in compliance with the License.
   7 ## You may obtain a copy of the License at
   8 ##
   9 ##     http://www.apache.org/licenses/LICENSE-2.0
  10 ##
  11 ## Unless required by applicable law or agreed to in writing, software
  12 ## distributed under the License is distributed on an "AS IS" BASIS,
  13 ## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 ## See the License for the specific language governing permissions and
  15 ## limitations under the License.
  16 ##
  17 ## This script should run after booting: see check-prox-system-setup.service
  18
  19 NCPUS="$(lscpu | egrep '^CPU\(s\):' | awk '{ print $2 }')"
  20 MAXCOREID="$((NCPUS-1))"
  21
  22 tuned_config="/etc/tuned/realtime-virtual-guest-variables.conf"
  23 log_file="/opt/rapid/prox_system_setup.log"
  24 system_ready="/opt/rapid/system_ready_for_rapid"
  25 tuned_done="/opt/rapid/tuned_done"
  26 after_boot_file="/opt/rapid/after_boot.sh"
  27
  28 tuned_and_reboot () {
  29   echo "Applying tuned profile">>$log_file
  30   tuned-adm profile realtime-virtual-guest
  31   touch "$tuned_done"
  32   echo "Rebooting...">>$log_file
  33   reboot
  34   exit 0
  35 }
  36
  37 if [ -f "$tuned_config" ]
  38 then
  39     while read -r line
  40     do
  41         case $line in
  42             isolated_cores=1-$MAXCOREID*)
  43                 if test ! -f "$tuned_done"; then
  44                   tuned_and_reboot
  45                 fi
  46                 if test -f "$after_boot_file"; then
  47                   echo "Executing: $after_boot_file">>$log_file
  48                   ("$after_boot_file")
  49                 fi
  50                 echo "Isolated CPU(s) OK, no reboot: $line">>$log_file
  51                 ## rapid scripts will wait for the system_ready file to exist
  52                 ## Only then, they will be able to connect to the PROX instance
  53                 ## and start the testing
  54                 touch "$system_ready"
  55                 ## On some systems, we still need to use the igb_uio driver.
  56                 ## Example: good performance on AWS with the ENA interface.
  57                 ## Make sure that you change devbind.sh to use the preferred
  58                 ## driver. vfio is the default.
  59                 modprobe uio
  60                 insmod /opt/rapid/dpdk/build/kmod/igb_uio.ko wc_activate=1
  61                 exit 0
  62             ;;
  63             isolated_cores=*)
  64                 echo "Isolated CPU(s) NOK: $line">>$log_file
  65                 sed -i "/^isolated_cores=.*/c\isolated_cores=1-$MAXCOREID" $tuned_config
  66                 tuned_and_reboot
  67             ;;
  68             *)
  69                 echo "$line"
  70             ;;
  71         esac
  72     done < "$tuned_config"
  73     echo "isolated_cores=1-$MAXCOREID" >> $tuned_config
  74     echo "No Isolated CPU(s) defined in config, line added: isolated_cores=1-$MAXCOREID">>$log_file
  75     tuned_and_reboot
  76 else
  77     echo "$tuned_config not found.">>$log_file
  78 fi