scripts/host-add-develop.sh

   1 #!/bin/bash
   2
   3 ##
   4 # Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
   5 # This file is part of openmano
   6 # All Rights Reserved.
   7 #
   8 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   9 # not use this file except in compliance with the License. You may obtain
  10 # a copy of the License at
  11 #
  12 #         http://www.apache.org/licenses/LICENSE-2.0
  13 #
  14 # Unless required by applicable law or agreed to in writing, software
  15 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  16 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  17 # License for the specific language governing permissions and limitations
  18 # under the License.
  19 #
  20 # For those usages not covered by the Apache License, Version 2.0 please
  21 # contact with: nfvlabs@tid.es
  22 ##
  23
  24 #Get configuration of a host for using it as a compute node
  25
  26 function usage(){
  27     echo  -e "usage: $0 user ip_name nb_cores GiB_memory nb_10GB_interfaces [hostname] [>> host.yaml]\n  Get host parameters and generated a yaml file to be used for openvim host-add"
  28     echo -e "  - In case hostname is not specified it will be used the name of the machine where the script is run"
  29     echo -e "  - nb_cores must be an odd number and bigger or equal to 4."
  30     echo -e "  - GiB_memory must be an odd number and bigger or equal to 16. 4GiB of memory will be reserved for the host OS, the rest will be used by VM."
  31     echo -e "  - nb_10GB_interfaces must be an odd number and bigger or equal to 4."
  32     echo -e "  - The output will be a server descriptor with two numas and resources (memory, cores and interfaces) equally distributed between them."
  33     echo -e "  - Each interface (physical funtion) will have defined 8 SR-IOV (virtual functions)."
  34     exit 1
  35 }
  36
  37 function get_hash_value() {   echo `eval  echo $\{\`echo $1[$2]\`\}`; }
  38
  39 function get_mac(){
  40   seed=$1
  41   b1=$((seed%16)); seed=$((seed/16))
  42   b2=$((seed%16)); seed=$((seed/16))
  43   b3=$((seed%16)); seed=$((seed/16))
  44   b4=$((seed%16)); seed=$((seed/16))
  45   b5=$((seed%16)); seed=$((seed/16))
  46   mac=`printf "%02X:%02X:%02X:%02X:%02X:%02X" 2 $b5 $b4 $b3 $b2 $b1`
  47   echo $mac
  48 }
  49
  50
  51 #check root privileges and non a root user behind
  52
  53 [ "$#" -lt "5" ] && echo "Missing parameters" && usage
  54 [ "$#" -gt "6" ] && echo "Too many parameters" && usage
  55 HOST_NAME=`cat /etc/hostname`
  56 [ "$#" -eq "6" ] && HOST_NAME=$6
  57 FEATURES_LIST="lps,dioc,hwsv,tlbps,ht,lps,64b,iommu"
  58 NUMAS=2
  59 CORES=$3
  60 MEMORY=$4
  61 INTERFACES=$5
  62
  63 #Ensure the user input is big enough
  64 ([ $((CORES%2)) -ne 0 ] || [ $CORES -lt 4 ] ) && echo -e "ERROR: Wrong number of cores\n" && usage
  65 ([ $((MEMORY%2)) -ne 0 ] || [ $MEMORY -lt 16 ] ) && echo -e "ERROR: Wrong number of memory\n" && usage
  66 ([ $((INTERFACES%2)) -ne 0 ] || [ $INTERFACES -lt 4 ] ) && echo -e "ERROR: Wrong number of interfaces\n" && usage
  67
  68 #Generate a cpu topology for 4 numas with hyperthreading
  69 CPUS=`pairs_gap=$((CORES/NUMAS));numa=0;inc=0;sibling=0;for((thread=0;thread<=$((pairs_gap-1));thread++)); do printf " ${numa}-${sibling}-${thread} ${numa}-${sibling}-$((thread+pairs_gap))";numa=$(((numa+1)%$NUMAS)); sibling=$((sibling+inc)); inc=$(((inc+1)%2));  done`
  70
  71 #in this developing/fake server all cores can be used
  72
  73 echo "#This file was created by $0"
  74 echo "#for adding this compute node to openvim"
  75 echo "#copy this file to openvim controller and run"
  76 echo "#openvim host-add <this>"
  77 echo
  78 echo "host:"
  79 echo "  name:    $HOST_NAME"
  80 echo "  user:    $1"
  81 echo "  ip_name: $2"
  82 echo "host-data:"
  83 echo "  name:        $HOST_NAME"
  84 echo "  user:        $1"
  85 echo "  ip_name:     $2"
  86 echo "  ranking:     100"
  87 echo "  description: $HOST_NAME"
  88 echo "  features:    $FEATURES_LIST"
  89 echo "  numas:"
  90
  91 numa=0
  92 last_iface=0
  93 iface_counter=0
  94 while [ $numa -lt $NUMAS ]
  95 do
  96   echo "  - numa_socket:  $numa"
  97 #MEMORY
  98   echo "    hugepages: $((MEMORY/2-2))"
  99   echo "    memory:    $((MEMORY/2))"
 100
 101 #CORES
 102   echo "    cores:"
 103   for cpu in $CPUS
 104   do
 105     PHYSICAL=`echo $cpu | cut -f 1 -d"-"`
 106     CORE=`echo $cpu | cut -f 2 -d"-"`
 107     THREAD=`echo $cpu | cut -f 3 -d"-"`
 108     [ $PHYSICAL != $numa ] && continue   #skip non physical
 109     echo "    - core_id:   $CORE"
 110     echo "      thread_id: $THREAD"
 111     [ $CORE -eq 0 ] && echo "      status:    noteligible"
 112   done
 113
 114
 115   #GENERATE INTERFACES INFORMATION AND PRINT IT
 116   seed=$RANDOM
 117   echo "    interfaces:"
 118   for ((iface=0;iface<$INTERFACES;iface+=2))
 119   do
 120     name="iface$iface_counter"
 121     bus=$((iface+last_iface))
 122     pci=`printf "0000:%02X:00.0" $bus`
 123     mac=`get_mac $seed`
 124     seed=$((seed+1))
 125
 126     echo "    - source_name: $name"
 127     echo "      Mbps: 10000"
 128     echo "      pci: \"$pci\""
 129     echo "      mac: \"$mac\""
 130     echo "      switch_dpid: \"01:02:03:04:05:06\""
 131     echo "      switch_port: fake0/$iface_counter"
 132     echo "      sriovs:"
 133
 134     for((nb_sriov=0;nb_sriov<8;nb_sriov++))
 135     do
 136       pci=`printf "0000:%02X:10.%i" $bus $nb_sriov`
 137       mac=`get_mac $seed`
 138       seed=$((seed+1))
 139       echo "      - mac: \"$mac\""
 140       echo "        pci: \"$pci\""
 141       echo "        source_name: $nb_sriov"
 142     done
 143
 144   iface_counter=$((iface_counter+1))
 145   done
 146   last_iface=$(((numa+1)*127/NUMAS+5)) #made-up formula for more realistic pci numbers
 147
 148
 149   numa=$((numa+1))
 150 done
 151