scripts/system-tests/check-build-needs.sh

   1 #!/bin/bash -xeu
   2 # Copyright (C) 2016 - Francis Deslauriers <francis.deslauriers@efficios.com>
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # Version compare functions
  18 vercomp () {
  19     set +u
  20     if [[ "$1" == "$2" ]]; then
  21         return 0
  22     fi
  23     local IFS=.
  24     local i ver1=($1) ver2=($2)
  25     # fill empty fields in ver1 with zeros
  26     for ((i=${#ver1[@]}; i<${#ver2[@]}; i++)); do
  27         ver1[i]=0
  28     done
  29     for ((i=0; i<${#ver1[@]}; i++)); do
  30         if [[ -z ${ver2[i]} ]]; then
  31             # fill empty fields in ver2 with zeros
  32             ver2[i]=0
  33         fi
  34         if ((10#${ver1[i]} > 10#${ver2[i]})); then
  35             return 1
  36         fi
  37         if ((10#${ver1[i]} < 10#${ver2[i]})); then
  38             return 2
  39         fi
  40     done
  41     set -u
  42     return 0
  43 }
  44
  45 verlte() {
  46     vercomp "$1" "$2"; local res="$?"
  47     [ "$res" -eq "0" ] || [ "$res" -eq "2" ]
  48 }
  49
  50 verlt() {
  51     vercomp "$1" "$2"; local res="$?"
  52     [ "$res" -eq "2" ]
  53 }
  54
  55 vergte() {
  56     vercomp "$1" "$2"; local res="$?"
  57     [ "$res" -eq "0" ] || [ "$res" -eq "1" ]
  58 }
  59
  60 vergt() {
  61     vercomp "$1" "$2"; local res="$?"
  62     [ "$res" -eq "1" ]
  63 }
  64
  65 verne() {
  66     vercomp "$1" "$2"; local res="$?"
  67     [ "$res" -ne "0" ]
  68 }
  69
  70 mkdir -p "$DEPLOYDIR"
  71
  72 NEED_MODULES_BUILD=0
  73 NEED_KERNEL_BUILD=0
  74
  75 set +e
  76 $SSH_COMMAND "$STORAGE_USER@$STORAGE_HOST" ls "$STORAGE_KERNEL_IMAGE"
  77 if [ $? -ne 0 ]; then
  78   NEED_KERNEL_BUILD=1
  79   # We need to build the lttng modules if the kernel has changed.
  80   NEED_MODULES_BUILD=1
  81 fi
  82
  83 $S3_COMMAND info "s3://$S3_STORAGE_KERNEL_IMAGE"
  84 if [ $? -ne 0 ]; then
  85   NEED_KERNEL_BUILD=1
  86   # We need to build the lttng modules if the kernel has changed.
  87   NEED_MODULES_BUILD=1
  88 fi
  89
  90 $SSH_COMMAND "$STORAGE_USER@$STORAGE_HOST" ls "$STORAGE_LTTNG_MODULES"
  91 if [ $? -ne 0 ]; then
  92   NEED_MODULES_BUILD=1
  93 fi
  94
  95 $S3_COMMAND info "s3://$S3_STORAGE_LTTNG_MODULES"
  96 if [ $? -ne 0 ]; then
  97   NEED_MODULES_BUILD=1
  98 fi
  99
 100 set -e
 101
 102 # We need to fetch the kernel source and lttng-modules to build either the
 103 # kernel or modules
 104 if [ $NEED_MODULES_BUILD -eq 1 ] || [ $NEED_KERNEL_BUILD -eq 1 ] ; then
 105   mkdir -p "$LINUX_PATH"
 106   pushd "$LINUX_PATH"
 107   git init
 108   git remote add origin "$KGITREPO"
 109   git fetch --depth 1 origin "$KERNEL_COMMIT_ID"
 110   git checkout FETCH_HEAD
 111   version=$(make -s kernelversion)
 112   popd
 113
 114
 115   # Prepare version string for comparison.
 116   # Strip any '-rc tag'.
 117   version=${version%%"-"*}
 118
 119   cp src/lttng-ci/lava/kernel/vanilla/x86_64_server.config "$LINUX_PATH/.config"
 120   make --directory="$LINUX_PATH" olddefconfig
 121
 122   if [ $BUILD_DEVICE = 'kvm' ] ; then
 123     if vergte "$version" "3.19"; then
 124       make --directory="$LINUX_PATH" kvm_guest.config
 125     else
 126       make --directory="$LINUX_PATH" kvmconfig
 127     fi
 128   fi
 129
 130   make --directory="$LINUX_PATH" modules_prepare
 131 fi
 132
 133 #We create files to specify what needs to be built for the subsequent build steps
 134 if [ $NEED_MODULES_BUILD -eq 0 ] ; then
 135   touch modules-built.txt
 136 fi
 137 if [ $NEED_KERNEL_BUILD -eq 0 ] ; then
 138   touch kernel-built.txt
 139 fi