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# Copyright (c) 2023 Cisco and/or its affiliates.
# Copyright (c) 2023 PANTHEON.tech s.r.o.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -exuo pipefail
# This library defines functions used mainly by per patch entry scripts.
# Generally, the functions assume "common.sh" library has been sourced already.
# Keep functions ordered alphabetically, please.
function build_vpp_ubuntu () {
# This function is using make pkg-verify to build VPP with all dependencies
# that is ARCH/OS aware. VPP repo is SSOT for building mechanics and CSIT
# is consuming artifacts. This way if VPP will introduce change in building
# mechanics they will not be blocked by CSIT repo.
#
# Arguments:
# - ${1} - String identifier for echo, can be unset.
# Variables read:
# - MAKE_PARALLEL_FLAGS - Make flags when building VPP.
# - MAKE_PARALLEL_JOBS - Number of cores to use when building VPP.
# - VPP_DIR - Path to existing directory, parent to accessed directories.
# Directories updated:
# - ${VPP_DIR} - Whole subtree, many files (re)created by the build process.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
set -exuo pipefail
cd "${VPP_DIR}" || die "Change directory command failed."
if [ -n "${MAKE_PARALLEL_FLAGS-}" ]; then
echo "Building VPP. Number of cores for build set with" \
"MAKE_PARALLEL_FLAGS='${MAKE_PARALLEL_FLAGS}'."
elif [ -n "${MAKE_PARALLEL_JOBS-}" ]; then
echo "Building VPP. Number of cores for build set with" \
"MAKE_PARALLEL_JOBS='${MAKE_PARALLEL_JOBS}'."
else
echo "Building VPP. Number of cores not set, " \
"using build default ($(grep -c ^processor /proc/cpuinfo))."
fi
make UNATTENDED=y pkg-verify || die "VPP build with make pkg-verify failed."
echo "* VPP ${1-} BUILD SUCCESSFULLY COMPLETED" || {
die "Argument not found."
}
}
function compare_test_results () {
# Variables read:
# - VPP_DIR - Path to directory with VPP git repo (at least built parts).
# - ARCHIVE_DIR - Path to where robot result files are created in.
# - PYTHON_SCRIPTS_DIR - Path to directory holding comparison utility.
# Directories recreated:
# - csit_parent - Sibling to csit directory, for holding results
# of parent build.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
# Exit code:
# - 0 - If the comparison utility sees no regression (nor data error).
# - 1 - If the comparison utility sees a regression (or data error).
set -exuo pipefail
cd "${VPP_DIR}" || die "Change directory operation failed."
# Reusing CSIT main virtualenv.
python3 "${TOOLS_DIR}/integrated/compare_perpatch.py"
# The exit code determines the vote result.
}
function initialize_csit_dirs () {
set -exuo pipefail
# Variables read:
# - VPP_DIR - Path to WORKSPACE, parent of created directories.
# Directories created:
# - csit_{part} - See the caller what it is used for.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
set -exuo pipefail
cd "${VPP_DIR}" || die "Change directory operation failed."
while true; do
if [[ ${#} < 1 ]]; then
# All directories created.
break
fi
name_part="${1}" || die
shift || die
dir_name="csit_${name_part}" || die
rm -rf "${dir_name}" || die "Directory deletion failed."
mkdir -p "${dir_name}" || die "Directory creation failed."
done
}
function move_test_results () {
# Arguments:
# - ${1}: Directory to archive to. Required. Parent has to exist.
# Variable set:
# - TARGET - Target archival directory, equivalent to the argument.
# Variables read:
# - ARCHIVE_DIR - Path to where robot result files are created in.
# - VPP_DIR - Path to existing directory, root for to relative paths.
# Directories updated:
# - ${1} - Created, and robot and parsing files are moved/created there.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
set -exuo pipefail
cd "${VPP_DIR}" || die "Change directory command failed."
TARGET="$(readlink -f "$1")"
mkdir -p "${TARGET}" || die "Directory creation failed."
file_list=("output.xml" "log.html" "report.html" "tests")
for filename in "${file_list[@]}"; do
mv "${ARCHIVE_DIR}/${filename}" "${TARGET}/${filename}" || die
done
}
function select_build () {
# Arguments:
# - ${1} - Path to directory to copy VPP artifacts from. Required.
# Variables read:
# - DOWNLOAD_DIR - Path to directory where Robot takes builds to test from.
# - VPP_DIR - Path to existing directory, root for relative paths.
# Directories read:
# - ${1} - Existing directory with built new VPP artifacts (and DPDK).
# Directories updated:
# - ${DOWNLOAD_DIR} - Old content removed, .deb files from ${1} copied here.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
set -exuo pipefail
cd "${VPP_DIR}" || die "Change directory operation failed."
source_dir="$(readlink -e "$1")"
rm -rf "${DOWNLOAD_DIR}"/* || die "Cleanup of download dir failed."
cp "${source_dir}"/*".deb" "${DOWNLOAD_DIR}" || die "Copy operation failed."
# TODO: Is there a nice way to create symlinks,
# so that if job fails on robot, results can be archived?
}
function set_aside_build_artifacts () {
# Function used to save VPP .deb artifacts from currently finished build.
#
# After the artifacts are copied to the target directory,
# the main git tree is cleaned up to not interfere with next build.
#
# Arguments:
# - ${1} - String to derive the target directory name from. Required.
# Variables read:
# - VPP_DIR - Path to existing directory, parent to accessed directories.
# Directories read:
# - build-root - Existing directory with built VPP artifacts (also DPDK).
# Directories updated:
# - ${VPP_DIR} - A local git repository, parent commit gets checked out.
# - build_${1} - Old contents removed, content of build-root copied here.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
set -exuo pipefail
cd "${VPP_DIR}" || die "Change directory operation failed."
dir_name="build_${1}" || die
rm -rf "${dir_name}" || die "Remove operation failed."
mkdir -p "${dir_name}" || die "Directory creation failed."
mv "build-root"/*".deb" "${dir_name}"/ || die "Move operation failed."
# The previous build could have left some incompatible leftovers,
# e.g. DPDK artifacts of different version (in build/external).
# Also, there usually is a copy of dpdk artifact in build-root.
git clean -dffx "build"/ "build-root"/ || die "Git clean operation failed."
git status || die
}
function set_perpatch_dut () {
# Variables set:
# - DUT - CSIT test/ subdirectory containing suites to execute.
# TODO: Detect DUT from job name, when we have more than just VPP perpatch.
set -exuo pipefail
DUT="vpp"
}
function set_perpatch_vpp_dir () {
# Variables read:
# - CSIT_DIR - Path to existing root of local CSIT git repository.
# Variables set:
# - VPP_DIR - Path to existing root of local VPP git repository.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
set -exuo pipefail
# In perpatch, CSIT is cloned inside VPP clone.
VPP_DIR="$(readlink -e "${CSIT_DIR}/..")" || die "Readlink failed."
}
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