1#!/bin/bash
2
3# This build script is for running the Jenkins builds using docker.
4#
5
6# Trace bash processing
7#set -x
8
9# Default variables
10WORKSPACE=${WORKSPACE:-${HOME}/${RANDOM}${RANDOM}}
11http_proxy=${http_proxy:-}
12
13# Timestamp for job
14echo "Build started, $(date)"
15
16# Configure docker build
17if [[ -n "${http_proxy}" ]]; then
18PROXY="RUN echo \"Acquire::http::Proxy \\"\"${http_proxy}/\\"\";\" > /etc/apt/apt.conf.d/000apt-cacher-ng-proxy"
19fi
20
21Dockerfile=$(cat << EOF
22FROM ubuntu:latest
23
24${PROXY}
25
26ENV DEBIAN_FRONTEND noninteractive 
27RUN apt-get update && apt-get install -yy \
28	bc \
29	build-essential \
30	git \
31	gcc-powerpc64le-linux-gnu \
32	software-properties-common \
33	libssl-dev \
34	bison \
35	flex \
36	iputils-ping
37
38RUN apt-add-repository -y multiverse && apt-get update && apt-get install -yy \
39	dwarves \
40	sparse
41
42RUN grep -q ${GROUPS} /etc/group || groupadd -g ${GROUPS} ${USER}
43RUN grep -q ${UID} /etc/passwd || useradd -d ${HOME} -m -u ${UID} -g ${GROUPS} ${USER}
44
45USER ${USER}
46ENV HOME ${HOME}
47RUN /bin/bash
48EOF
49)
50
51# Build the docker container
52docker build -t linux-build/ubuntu - <<< "${Dockerfile}"
53if [[ "$?" -ne 0 ]]; then
54  echo "Failed to build docker container."
55  exit 1
56fi
57
58# Create the docker run script
59export PROXY_HOST=${http_proxy/#http*:\/\/}
60export PROXY_HOST=${PROXY_HOST/%:[0-9]*}
61export PROXY_PORT=${http_proxy/#http*:\/\/*:}
62
63mkdir -p ${WORKSPACE}
64
65cat > "${WORKSPACE}"/build.sh << EOF_SCRIPT
66#!/bin/bash
67
68set -x
69set -e -o pipefail
70
71cd ${WORKSPACE}
72
73# Go into the linux directory (the script will put us in a build subdir)
74cd linux
75
76# Record the version in the logs
77powerpc64le-linux-gnu-gcc --version
78
79# Build kernel prep
80ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- make mrproper
81
82# Build kernel
83ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- make -s pseries_le_defconfig
84ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- make -s -j$(nproc)
85
86# Build kernel with debug
87ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- make -s pseries_le_defconfig
88echo "CONFIG_DEBUG_INFO=y" >> .config
89ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- make olddefconfig
90ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- make -j$(nproc) -s C=2 CF=-D__CHECK_ENDIAN__ 2>&1 | gzip > sparse.log.gz
91pahole vmlinux 2>&1 | gzip > structs.dump.gz
92
93EOF_SCRIPT
94
95chmod a+x ${WORKSPACE}/build.sh
96
97# Run the docker container, execute the build script we just built
98docker run --cap-add=sys_admin --net=host --rm=true -e WORKSPACE=${WORKSPACE} --user="${USER}" \
99  -w "${WORKSPACE}" -v "${WORKSPACE}":"${WORKSPACE}" -t linux-build/ubuntu ${WORKSPACE}/build.sh
100
101result=${?}
102
103# Timestamp for build
104echo "Build completed, $(date)"
105
106exit ${result}
107