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.gitignore
New file @@ -0,0 +1 @@ *~ Dockerfile
New file @@ -0,0 +1,43 @@ # s2i-gradle-kbs ## ATTENTION ## # This is a demo, do not use for anything else. # no warranty, if it breaks your systems, you have to keep the pieces. # Olaf Bohlen, obohlen@redhat.com, 2022-11-30 FROM registry.access.redhat.com/ubi9 # TODO: Put the maintainer name in the image metadata LABEL maintainer="Olaf Bohlen <obohlen@redhat.com>" # TODO: Rename the builder environment variable to inform users about application you provide them ENV BUILDER_VERSION 0.1 \ PATH=${PATH}:/opt/gradle/gradle-7.6/bin # TODO: Set labels used in OpenShift to describe the builder image LABEL io.k8s.description="Platform for building springboot with Gradle" \ io.k8s.display-name="builder 0.1.0" \ io.openshift.expose-services="8080:http" \ io.openshift.tags="builder,jee,java,gradle" # TODO: Install required packages here: # RUN yum install -y ... && yum clean all -y RUN yum install -y java-11-openjdk unzip && \ yum clean all -y && \ mkdir -p /opt/gradle /opt/app-root /opt/app-src && \ cd /opt/gradle && \ curl -o /tmp/gradle.zip https://downloads.gradle-dn.com/distributions/gradle-7.6-bin.zip && \ unzip -d /opt/gradle /tmp/gradle.zip && \ chown -R 1001:1001 /opt/app-root && \ chown -R 1001:0 /opt/app-src # TODO: Copy the S2I scripts to /usr/libexec/s2i, since openshift/base-centos7 image # sets io.openshift.s2i.scripts-url label that way, or update that label COPY ./s2i/bin/ /usr/libexec/s2i # This default user is created in the openshift/base-centos7 image USER 1001 # TODO: Set the default port for applications built using this image EXPOSE 8080 # TODO: Set the default CMD for the image CMD ["/usr/libexec/s2i/usage"] Makefile
New file @@ -0,0 +1,10 @@ IMAGE_NAME = s2i-gradle-kbs .PHONY: build build: docker build -t $(IMAGE_NAME) . .PHONY: test test: docker build -t $(IMAGE_NAME)-candidate . IMAGE_NAME=$(IMAGE_NAME)-candidate test/run s2i/bin/assemble
New file @@ -0,0 +1,35 @@ #!/bin/bash -e # # S2I assemble script for the 's2i-gradle-kbs' image. # The 'assemble' script builds your application source so that it is ready to run. # # For more information refer to the documentation: # https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md # # If the 's2i-gradle-kbs' assemble script is executed with the '-h' flag, print the usage. if [[ "$1" == "-h" ]]; then exec /usr/libexec/s2i/usage fi PATH=/opt/gradle/gradle-7.6/bin:$PATH export PATH # Restore artifacts from the previous build (if they exist). # if [ "$(ls /tmp/artifacts/ 2>/dev/null)" ]; then echo "---> Restoring build artifacts..." shopt -s dotglob mv /tmp/artifacts/* ./ shopt -u dotglob fi echo "---> Installing application source..." cd /opt/app-src cp -Rf /tmp/src/. ./ echo "---> Building application from source..." # TODO: Add build steps for your application, eg npm install, bundle install, pip install, etc. gradle clean build tjar=$(find build/libs -name \*.jar | head -1) # this is a hack cp ${tjar} /opt/app-root/fat.jar s2i/bin/run
New file @@ -0,0 +1,10 @@ #!/bin/bash -e # # S2I run script for the 's2i-gradle-kbs' image. # The run script executes the server that runs your application. # # For more information see the documentation: # https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md # exec java -Djava.security.egd=file:/dev/urandom -jar /opt/app-root/fat.jar s2i/bin/save-artifacts
New file @@ -0,0 +1,10 @@ #!/bin/sh -e # # S2I save-artifacts script for the 's2i-gradle-kbs' image. # The save-artifacts script streams a tar archive to standard output. # The archive contains the files and folders you want to re-use in the next build. # # For more information see the documentation: # https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md # # tar cf - <list of files and folders> s2i/bin/usage
New file @@ -0,0 +1,12 @@ #!/bin/bash -e cat <<EOF This is the s2i-gradle-kbs S2I image: To use it, install S2I: https://github.com/openshift/source-to-image Sample invocation: s2i build <source code path/URL> s2i-gradle-kbs <application image> You can then run the resulting image via: docker run <application image> EOF test/run
New file @@ -0,0 +1,155 @@ #!/bin/bash # # The 'run' performs a simple test that verifies the S2I image. # The main focus here is to exercise the S2I scripts. # # For more information see the documentation: # https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md # # IMAGE_NAME specifies a name of the candidate image used for testing. # The image has to be available before this script is executed. # IMAGE_NAME=${IMAGE_NAME-s2i-gradle-kbs-candidate} # Determining system utility executables (darwin compatibility check) READLINK_EXEC="readlink -zf" MKTEMP_EXEC="mktemp --suffix=.cid" if [[ "$OSTYPE" =~ 'darwin' ]]; then READLINK_EXEC="readlink" MKTEMP_EXEC="mktemp" ! type -a "greadlink" &>"/dev/null" || READLINK_EXEC="greadlink" ! type -a "gmktemp" &>"/dev/null" || MKTEMP_EXEC="gmktemp" fi _dir="$(dirname "${BASH_SOURCE[0]}")" test_dir="$($READLINK_EXEC ${_dir} || echo ${_dir})" image_dir=$($READLINK_EXEC ${test_dir}/.. || echo ${test_dir}/..) scripts_url="${image_dir}/.s2i/bin" cid_file=$($MKTEMP_EXEC -u) # Since we built the candidate image locally, we don't want S2I to attempt to pull # it from Docker hub s2i_args="--pull-policy=never --loglevel=2" # Port the image exposes service to be tested test_port=8080 image_exists() { docker inspect $1 &>/dev/null } container_exists() { image_exists $(cat $cid_file) } container_ip() { docker inspect --format="{{(index .NetworkSettings.Ports \"$test_port/tcp\" 0).HostIp }}" $(cat $cid_file) | sed 's/0.0.0.0/localhost/' } container_port() { docker inspect --format="{{(index .NetworkSettings.Ports \"$test_port/tcp\" 0).HostPort }}" "$(cat "${cid_file}")" } run_s2i_build() { s2i build --incremental=true ${s2i_args} ${test_dir}/test-app ${IMAGE_NAME} ${IMAGE_NAME}-testapp } prepare() { if ! image_exists ${IMAGE_NAME}; then echo "ERROR: The image ${IMAGE_NAME} must exist before this script is executed." exit 1 fi # s2i build requires the application is a valid 'Git' repository pushd ${test_dir}/test-app >/dev/null git init git config user.email "build@localhost" && git config user.name "builder" git add -A && git commit -m "Sample commit" popd >/dev/null run_s2i_build } run_test_application() { docker run --rm --cidfile=${cid_file} -p ${test_port}:${test_port} ${IMAGE_NAME}-testapp } cleanup() { if [ -f $cid_file ]; then if container_exists; then docker stop $(cat $cid_file) fi fi if image_exists ${IMAGE_NAME}-testapp; then docker rmi ${IMAGE_NAME}-testapp fi } check_result() { local result="$1" if [[ "$result" != "0" ]]; then echo "S2I image '${IMAGE_NAME}' test FAILED (exit code: ${result})" cleanup exit $result fi } wait_for_cid() { local max_attempts=10 local sleep_time=1 local attempt=1 local result=1 while [ $attempt -le $max_attempts ]; do [ -f $cid_file ] && break echo "Waiting for container to start..." attempt=$(( $attempt + 1 )) sleep $sleep_time done } test_usage() { echo "Testing 's2i usage'..." s2i usage ${s2i_args} ${IMAGE_NAME} &>/dev/null } test_connection() { echo "Testing HTTP connection (http://$(container_ip):$(container_port))" local max_attempts=10 local sleep_time=1 local attempt=1 local result=1 while [ $attempt -le $max_attempts ]; do echo "Sending GET request to http://$(container_ip):$(container_port)/" response_code=$(curl -s -w %{http_code} -o /dev/null http://$(container_ip):$(container_port)/) status=$? if [ $status -eq 0 ]; then if [ $response_code -eq 200 ]; then result=0 fi break fi attempt=$(( $attempt + 1 )) sleep $sleep_time done return $result } # Build the application image twice to ensure the 'save-artifacts' and # 'restore-artifacts' scripts are working properly prepare run_s2i_build check_result $? # Verify the 'usage' script is working properly test_usage check_result $? # Verify that the HTTP connection can be established to test application container run_test_application & # Wait for the container to write its CID file wait_for_cid test_connection check_result $? cleanup test/test-app/index.html
New file @@ -0,0 +1,10 @@ <!doctype html> <html> <head> <title>Hello World!</title> </head> <body> <h1>Hello World!</h1> </body> </html>