OVMS3-idf/make/build_examples.sh
Anton Maklakov c5b5dd88f9 CI: Build examples in parallel
Now you can create several 'build_examples_N' jobs
    in the .gitlab-ci.yaml and get parallel execution.
2017-06-09 14:15:43 +08:00

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#!/bin/bash
#
# Build all examples from the examples directory, out of tree to
# ensure they can run when copied to a new directory.
#
# Runs as part of CI process.
#
# Assumes CWD is an out-of-tree build directory, and will copy examples
# to individual subdirectories, one by one.
#
#
# Without arguments it just builds all examples
#
# With one argument <JOB_NAME> it builds part of the examples. This is a useful for
# parallel execution in CI.
# <JOB_NAME> must look like this:
# <some_text_label>_<num>
# It scans .gitlab-ci.yaml to count number of jobs which have name "<some_text_label>_<num>"
# It scans the filesystem to count all examples
# Based on this, it decides to run qa set of examples.
#
# -----------------------------------------------------------------------------
# Safety settings (see https://gist.github.com/ilg-ul/383869cbb01f61a51c4d).
if [[ ! -z ${DEBUG} ]]
then
set -x # Activate the expand mode if DEBUG is anything but empty.
fi
set -o errexit # Exit if command failed.
set -o pipefail # Exit if pipe failed.
set -o nounset # Exit if variable not set.
# Remove the initial space and instead use '\n'.
IFS=$'\n\t'
# -----------------------------------------------------------------------------
die() {
echo "${1:-"Unknown Error"}" 1>&2
exit 1
}
[ -z ${IDF_PATH} ] && die "IDF_PATH is not set"
# only 0 or 1 arguments
[ $# -le 1 ] || die "Have to run as $(basename $0) [<JOB_NAME>]"
export BATCH_BUILD=1
export V=0 # only build verbose if there's an error
RESULT=0
FAILED_EXAMPLES=""
RESULT_WARNINGS=22 # magic number result code for "warnings found"
LOG_WARNINGS=$(mktemp -t example_all.XXXX.log)
if [ $# -eq 0 ]
then
START_NUM=0
END_NUM=999
else
JOB_NAME=$1
# parse text prefix at the beginning of string 'some_your_text_NUM'
# (will be 'some_your_text' without last '_')
JOB_PATTERN=$( echo ${JOB_NAME} | sed -n -r 's/^(.*)_[0-9]+$/\1/p' )
[ -z ${JOB_PATTERN} ] && die "JOB_PATTERN is bad"
# parse number 'NUM' at the end of string 'some_your_text_NUM'
JOB_NUM=$( echo ${JOB_NAME} | sed -n -r 's/^.*_([0-9]+)$/\1/p' )
[ -z ${JOB_NUM} ] && die "JOB_NUM is bad"
# count number of the jobs
NUM_OF_JOBS=$( grep -c -E "^${JOB_PATTERN}_[0-9]+:$" "${IDF_PATH}/.gitlab-ci.yml" )
[ -z ${NUM_OF_JOBS} ] && die "NUM_OF_JOBS is bad"
# count number of examples
NUM_OF_EXAMPLES=$( find ${IDF_PATH}/examples/ -type f -name Makefile | wc -l )
[ -z ${NUM_OF_EXAMPLES} ] && die "NUM_OF_EXAMPLES is bad"
# separate intervals
#57 / 5 == 12
NUM_OF_EX_PER_JOB=$(( (${NUM_OF_EXAMPLES} + ${NUM_OF_JOBS} - 1) / ${NUM_OF_JOBS} ))
[ -z ${NUM_OF_EX_PER_JOB} ] && die "NUM_OF_EX_PER_JOB is bad"
# ex.: [0; 12); [12; 24); [24; 36); [36; 48); [48; 60)
START_NUM=$(( ${JOB_NUM} * ${NUM_OF_EX_PER_JOB} ))
[ -z ${START_NUM} ] && die "START_NUM is bad"
END_NUM=$(( (${JOB_NUM} + 1) * ${NUM_OF_EX_PER_JOB} ))
[ -z ${END_NUM} ] && die "END_NUM is bad"
fi
build_example () {
local ID=$1
shift
local MAKE_FILE=$1
shift
local EXAMPLE_DIR=$(dirname "${MAKE_FILE}")
local EXAMPLE_NAME=$(basename "${EXAMPLE_DIR}")
echo "Building ${EXAMPLE_NAME} as ${ID}..."
mkdir -p "example_builds/${ID}"
cp -r "${EXAMPLE_DIR}" "example_builds/${ID}"
pushd "example_builds/${ID}/${EXAMPLE_NAME}"
# be stricter in the CI build than the default IDF settings
export EXTRA_CFLAGS="-Werror -Werror=deprecated-declarations"
export EXTRA_CXXFLAGS=${EXTRA_CFLAGS}
# build non-verbose first
local BUILDLOG=$(mktemp -t examplebuild.XXXX.log)
(
make clean defconfig
make all 2>&1 | tee "${BUILDLOG}"
) || { RESULT=$?; FAILED_EXAMPLES+=" ${EXAMPLE_NAME}"; make V=1; } # verbose output for errors
popd
if grep ": warning:" "${BUILDLOG}" 2>&1 >> "${LOG_WARNINGS}"; then
[ $RESULT -eq 0 ] && RESULT=$RESULT_WARNINGS
FAILED_EXAMPLES+=" ${EXAMPLE_NAME} (warnings)"
fi
grep -i error "${BUILDLOG}" 2>&1 >> "${LOG_WARNINGS}" || :
rm -f "${BUILDLOG}"
}
EXAMPLE_NUM=0
find ${IDF_PATH}/examples/ -type f -name Makefile | \
while read FN
do
if [[ $EXAMPLE_NUM -lt $START_NUM || $EXAMPLE_NUM -ge $END_NUM ]]
then
EXAMPLE_NUM=$(( $EXAMPLE_NUM + 1 ))
continue
fi
echo ">>> example [ ${EXAMPLE_NUM} ] - $FN"
build_example "${EXAMPLE_NUM}" "${FN}"
EXAMPLE_NUM=$(( $EXAMPLE_NUM + 1 ))
done
# show warnings
echo -e "\nFound issues:"
# pattern is: not 'error.o' and not '-Werror'
grep -v "error.o\|\-Werror" -- "${LOG_WARNINGS}" || echo -e "\tNone"
rm -f "${LOG_WARNINGS}"
if [ $RESULT -eq $RESULT_WARNINGS ]; then
echo "Build would have passed, except for warnings."
fi
[ $RESULT -eq 0 ] || echo "Failed examples: $FAILED_EXAMPLES"
echo -e "\nReturn code = $RESULT"
exit $RESULT