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#!/usr/bin/env bash
# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2016-2020, Intel Corporation
#
# pull-or-rebuild-image.sh - rebuilds the Docker image used in the
# current Travis build if necessary.
#
# The script rebuilds the Docker image if the Dockerfile for the current
# OS version (Dockerfile.${OS}-${OS_VER}) or any .sh script from the directory
# with Dockerfiles were modified and committed.
#
# If the Travis build is not of the "pull_request" type (i.e. in case of
# merge after pull_request) and it succeed, the Docker image should be pushed
# to the Docker Hub repository. An empty file is created to signal that to
# further scripts.
#
# If the Docker image does not have to be rebuilt, it will be pulled from
# Docker Hub.
#
set -e
source $(dirname $0)/set-ci-vars.sh
source $(dirname $0)/set-vars.sh
if [[ "$CI_EVENT_TYPE" != "cron" && "$CI_BRANCH" != "coverity_scan" \
&& "$COVERITY" -eq 1 ]]; then
echo "INFO: Skip Coverity scan job if build is triggered neither by " \
"'cron' nor by a push to 'coverity_scan' branch"
exit 0
fi
if [[ ( "$CI_EVENT_TYPE" == "cron" || "$CI_BRANCH" == "coverity_scan" )\
&& "$COVERITY" -ne 1 ]]; then
echo "INFO: Skip regular jobs if build is triggered either by 'cron'" \
" or by a push to 'coverity_scan' branch"
exit 0
fi
if [[ -z "$OS" || -z "$OS_VER" ]]; then
echo "ERROR: The variables OS and OS_VER have to be set properly " \
"(eg. OS=ubuntu, OS_VER=16.04)."
exit 1
fi
if [[ -z "$HOST_WORKDIR" ]]; then
echo "ERROR: The variable HOST_WORKDIR has to contain a path to " \
"the root of the PMDK project on the host machine"
exit 1
fi
# Find all the commits for the current build
if [ -n "$CI_COMMIT_RANGE" ]; then
commits=$(git rev-list $CI_COMMIT_RANGE)
else
commits=$CI_COMMIT
fi
echo "Commits in the commit range:"
for commit in $commits; do echo $commit; done
# Get the list of files modified by the commits
files=$(for commit in $commits; do git diff-tree --no-commit-id --name-only \
-r $commit; done | sort -u)
echo "Files modified within the commit range:"
for file in $files; do echo $file; done
# Path to directory with Dockerfiles and image building scripts
images_dir_name=images
base_dir=utils/docker/$images_dir_name
# Check if committed file modifications require the Docker image to be rebuilt
for file in $files; do
# Check if modified files are relevant to the current build
if [[ $file =~ ^($base_dir)\/Dockerfile\.($OS)-($OS_VER)$ ]] \
|| [[ $file =~ ^($base_dir)\/.*\.sh$ ]]
then
# Rebuild Docker image for the current OS version
echo "Rebuilding the Docker image for the Dockerfile.$OS-$OS_VER"
pushd $images_dir_name
./build-image.sh ${OS}-${OS_VER} ${CI_CPU_ARCH}
popd
# Check if the image has to be pushed to Docker Hub
# (i.e. the build is triggered by commits to the $GITHUB_REPO
# repository's stable-* or master branch, and the Travis build is not
# of the "pull_request" type). In that case, create the empty
# file.
if [[ "$CI_REPO_SLUG" == "$GITHUB_REPO" \
&& ($CI_BRANCH == stable-* || $CI_BRANCH == devel-* || $CI_BRANCH == master) \
&& $CI_EVENT_TYPE != "pull_request" \
&& $PUSH_IMAGE == "1" ]]
then
echo "The image will be pushed to Docker Hub"
touch $CI_FILE_PUSH_IMAGE_TO_REPO
else
echo "Skip pushing the image to Docker Hub"
fi
if [[ $PUSH_IMAGE == "1" ]]
then
echo "Skip build package check if image has to be pushed"
touch $CI_FILE_SKIP_BUILD_PKG_CHECK
fi
exit 0
fi
done
# Getting here means rebuilding the Docker image is not required.
# Pull the image from Docker Hub.
docker pull ${DOCKERHUB_REPO}:1.10-${OS}-${OS_VER}-${CI_CPU_ARCH}
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