Merge pull request #3 from frdeso/for_lttngci
[lttng-ci.git] / scripts / lttng-baremetal-tests / check-build-needs.sh
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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
17mkdir -p "$DEPLOYDIR"
18
19NEED_MODULES_BUILD=0
20NEED_KERNEL_BUILD=0
21
22set +e
23$SSH_COMMAND "$STORAGE_USER@$STORAGE_HOST" ls "$STORAGE_KERNEL_IMAGE"
24if [ $? -ne 0 ]; then
25 NEED_KERNEL_BUILD=1
26 # We need to build the lttng modules if the kernel has changed.
27 NEED_MODULES_BUILD=1
28fi
29
30$SSH_COMMAND "$STORAGE_USER@$STORAGE_HOST" ls "$STORAGE_LTTNG_MODULES"
31if [ $? -ne 0 ]; then
32 NEED_MODULES_BUILD=1
33fi
34set -e
35
36# We need to fetch the kernel source and lttng-modules to build either the
37# kernel or modules
38if [ $NEED_MODULES_BUILD -eq 1 ] || [ $NEED_KERNEL_BUILD -eq 1 ] ; then
39
40 git clone "$KGITREPO" "$LINUX_PATH"
41 pushd "$LINUX_PATH"
42 git checkout "$KERNEL_COMMIT_ID"
43 popd
44 git clone "$LTTNG_MODULES_GIT" "$LTTNG_MODULES_PATH"
45 pushd "$LTTNG_MODULES_PATH"
46 git checkout "$LTTNG_MODULES_COMMIT_ID"
47 popd
48
49 git clone https://github.com/lttng/lttng-ci "$LTTNG_CI_PATH"
50 cp "$LTTNG_CI_PATH"/lava/kernel/vanilla/x86_64_server.config "$LINUX_PATH"/.config
51
52 make --directory="$LINUX_PATH" olddefconfig
53 make --directory="$LINUX_PATH" modules_prepare
54fi
55
56#We create files to specify what needs to be built for the subsequent build steps
57if [ $NEED_MODULES_BUILD -eq 0 ] ; then
58 touch modules-built.txt
59fi
60if [ $NEED_KERNEL_BUILD -eq 0 ] ; then
61 touch kernel-built.txt
62fi
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