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Fix: kafka reduce image size (#1041)
* reduce image size * adapted changelog * fix linter * consolidation
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‎CHANGELOG.md‎

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@@ -17,6 +17,8 @@ All notable changes to this project will be documented in this file.
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- hive: check for correct permissions and ownerships in /stackable folder via
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`check-permissions-ownership.sh` provided in stackable-base image ([#1040]).
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- spark-connect-client: A new image for Spark connect tests and demos ([#1034])
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- kafka: check for correct permissions and ownerships in /stackable folder via
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`check-permissions-ownership.sh` provided in stackable-base image ([#1041]).
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- nifi: check for correct permissions and ownerships in /stackable folder via
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`check-permissions-ownership.sh` provided in stackable-base image ([#1027]).
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- opa: check for correct permissions and ownerships in /stackable folder via
@@ -37,6 +39,7 @@ All notable changes to this project will be documented in this file.
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- hadoop: reduce docker image size by removing the recursive chown/chmods in the final image ([#1029]).
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- hbase: reduce docker image size by removing the recursive chown/chmods in the final image ([#1028]).
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- hive: reduce docker image size by removing the recursive chown/chmods in the final image ([#1040]).
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- kafka: reduce docker image size by removing the recursive chown/chmods in the final image ([#1041]).
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- nifi: reduce docker image size by removing the recursive chown/chmods in the final image ([#1027]).
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- opa: reduce docker image size by removing the recursive chown/chmods in the final image ([#1038]).
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- spark-k8s: reduce docker image size by removing the recursive chown/chmods in the final image ([#1042]).
@@ -51,6 +54,7 @@ All notable changes to this project will be documented in this file.
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[#1038]: https://github.com/stackabletech/docker-images/pull/1038
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[#1039]: https://github.com/stackabletech/docker-images/pull/1039
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[#1040]: https://github.com/stackabletech/docker-images/pull/1040
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[#1041]: https://github.com/stackabletech/docker-images/pull/1041
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[#1042]: https://github.com/stackabletech/docker-images/pull/1042
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[#1044]: https://github.com/stackabletech/docker-images/pull/1044
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[#1050]: https://github.com/stackabletech/docker-images/pull/1050

‎kafka/Dockerfile‎

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@@ -27,30 +27,35 @@ WORKDIR /stackable
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COPY --chown=${STACKABLE_USER_UID}:0 kafka/stackable/patches/apply_patches.sh /stackable/kafka-${PRODUCT}-src/patches/apply_patches.sh
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COPY --chown=${STACKABLE_USER_UID}:0 kafka/stackable/patches/${PRODUCT} /stackable/kafka-${PRODUCT}-src/patches/${PRODUCT}
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COPY --chown=${STACKABLE_USER_UID}:0 kafka/stackable/jmx/ /stackable/jmx/
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RUN curl "https://repo.stackable.tech/repository/packages/kafka/kafka-${PRODUCT}-src.tgz" | tar -xzC . && \
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cd kafka-${PRODUCT}-src && \
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./patches/apply_patches.sh ${PRODUCT} && \
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# TODO: Try to install gradle via package manager (if possible) instead of fetching it from the internet
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# We don't specify "-x test" to skip the tests, as we might bump some Kafka internal dependencies in the future and
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# it's a good idea to run the tests in this case.
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./gradlew clean releaseTarGz && \
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./gradlew cyclonedxBom && \
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tar -xf core/build/distributions/kafka_${SCALA}-${PRODUCT}.tgz -C /stackable && \
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cp build/reports/bom.json /stackable/kafka_${SCALA}-${PRODUCT}.cdx.json && \
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rm -rf /stackable/kafka_${SCALA}-${PRODUCT}/site-docs/ && \
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rm -rf /stackable/kafka-${PRODUCT}-src
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RUN <<EOF
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curl "https://repo.stackable.tech/repository/packages/kafka/kafka-${PRODUCT}-src.tgz" | tar -xzC .
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cd kafka-${PRODUCT}-src
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./patches/apply_patches.sh ${PRODUCT}
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# TODO: Try to install gradle via package manager (if possible) instead of fetching it from the internet
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# We don't specify "-x test" to skip the tests, as we might bump some Kafka internal dependencies in the future and
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# it's a good idea to run the tests in this case.
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./gradlew clean releaseTarGz
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./gradlew cyclonedxBom
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tar -xf core/build/distributions/kafka_${SCALA}-${PRODUCT}.tgz -C /stackable
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cp build/reports/bom.json /stackable/kafka_${SCALA}-${PRODUCT}.cdx.json
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rm -rf /stackable/kafka_${SCALA}-${PRODUCT}/site-docs/
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rm -rf /stackable/kafka-${PRODUCT}-src
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# TODO (@NickLarsenNZ): Compile from source: https://github.com/StyraInc/opa-kafka-plugin
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RUN curl https://repo.stackable.tech/repository/packages/kafka-opa-authorizer/opa-authorizer-${OPA_AUTHORIZER}-all.jar \
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-o /stackable/kafka_${SCALA}-${PRODUCT}/libs/opa-authorizer-${OPA_AUTHORIZER}-all.jar
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curl https://repo.stackable.tech/repository/packages/kafka-opa-authorizer/opa-authorizer-${OPA_AUTHORIZER}-all.jar \
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-o /stackable/kafka_${SCALA}-${PRODUCT}/libs/opa-authorizer-${OPA_AUTHORIZER}-all.jar
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COPY --chown=${STACKABLE_USER_UID}:0 kafka/stackable/jmx/ /stackable/jmx/
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RUN curl https://repo.stackable.tech/repository/packages/jmx-exporter/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar \
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-o /stackable/jmx/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar && \
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chmod +x /stackable/jmx/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar && \
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ln -s /stackable/jmx/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar /stackable/jmx/jmx_prometheus_javaagent.jar
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# JMX exporter
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curl https://repo.stackable.tech/repository/packages/jmx-exporter/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar \
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-o /stackable/jmx/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar
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chmod +x /stackable/jmx/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar
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ln -s /stackable/jmx/jmx_prometheus_javaagent-${JMX_EXPORTER}.jar /stackable/jmx/jmx_prometheus_javaagent.jar
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# change groups
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chmod -R g=u /stackable
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EOF
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FROM stackable/image/java-base AS final
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@@ -60,21 +65,23 @@ ARG SCALA
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ARG KCAT
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ARG STACKABLE_USER_UID
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LABEL name="Apache Kafka" \
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maintainer="[email protected]" \
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vendor="Stackable GmbH" \
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version="${PRODUCT}" \
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release="${RELEASE}" \
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summary="The Stackable image for Apache Kafka." \
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description="This image is deployed by the Stackable Operator for Apache Kafka."
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LABEL \
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name="Apache Kafka" \
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maintainer="[email protected]" \
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vendor="Stackable GmbH" \
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version="${PRODUCT}" \
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release="${RELEASE}" \
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summary="The Stackable image for Apache Kafka." \
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description="This image is deployed by the Stackable Operator for Apache Kafka."
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COPY --chown=${STACKABLE_USER_UID}:0 kafka/licenses /licenses
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COPY --chown=${STACKABLE_USER_UID}:0 --from=kafka-builder /stackable/kafka_${SCALA}-${PRODUCT} /stackable/kafka_${SCALA}-${PRODUCT}
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COPY --chown=${STACKABLE_USER_UID}:0 --from=kafka-builder /stackable/kafka_${SCALA}-${PRODUCT}.cdx.json /stackable/kafka_${SCALA}-${PRODUCT}/kafka_${SCALA}-${PRODUCT}.cdx.json
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COPY --chown=${STACKABLE_USER_UID}:0 --from=kafka-builder /stackable/jmx/ /stackable/jmx/
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COPY --chown=${STACKABLE_USER_UID}:0 --from=kcat /stackable/kcat-${KCAT}/kcat /stackable/bin/kcat-${KCAT}
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COPY --chown=${STACKABLE_USER_UID}:0 --from=kcat /licenses /licenses
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COPY --chown=${STACKABLE_USER_UID}:0 kafka/licenses /licenses
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WORKDIR /stackable
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RUN <<EOF
@@ -85,24 +92,39 @@ microdnf install \
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microdnf clean all
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rpm -qa --qf "%{NAME}-%{VERSION}-%{RELEASE}\n" | sort > /stackable/package_manifest.txt
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chown ${STACKABLE_USER_UID}:0 /stackable/package_manifest.txt
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chmod g=u /stackable/package_manifest.txt
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rm -rf /var/cache/yum
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ln -s /stackable/bin/kcat-${KCAT} /stackable/bin/kcat
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chown -h ${STACKABLE_USER_UID}:0 /stackable/bin/kcat
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# kcat was located in /stackable/kcat - legacy
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ln -s /stackable/bin/kcat /stackable/kcat
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chown -h ${STACKABLE_USER_UID}:0 /stackable/kcat
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ln -s /stackable/kafka_${SCALA}-${PRODUCT} /stackable/kafka
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chown -h ${STACKABLE_USER_UID}:0 /stackable/kafka
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# All files and folders owned by root group to support running as arbitrary users.
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# This is best practice as all container users will belong to the root group (0).
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chown -R ${STACKABLE_USER_UID}:0 /stackable
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chmod -R g=u /stackable
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# fix missing permissions
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chmod g=u /stackable/bin
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chmod g=u /stackable/jmx
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chmod g=u /stackable/kafka_${SCALA}-${PRODUCT}
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EOF
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# ----------------------------------------
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# Checks
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# This section is to run final checks to ensure the created final images
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# adhere to several minimal requirements like:
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# - check file permissions and ownerships
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# ----------------------------------------
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# Check that permissions and ownership in /stackable are set correctly
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# This will fail and stop the build if any mismatches are found.
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RUN <<EOF
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/bin/check-permissions-ownership.sh /stackable ${STACKABLE_USER_UID} 0
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EOF
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# ----------------------------------------
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# Attention: We are changing the group of all files in /stackable directly above
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# If you do any file based actions (copying / creating etc.) below this comment you
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# absolutely need to make sure that the correct permissions are applied!
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# chown ${STACKABLE_USER_UID}:0
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# Attention: Do not perform any file based actions (copying/creating etc.) below this comment because the permissions would not be checked.
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# ----------------------------------------
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USER ${STACKABLE_USER_UID}

‎kcat/Dockerfile‎

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@@ -9,8 +9,9 @@ FROM stackable/image/java-base AS builder
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ARG PRODUCT
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ARG STACKABLE_USER_UID
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RUN microdnf update \
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&& microdnf install \
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RUN <<EOF
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microdnf update
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microdnf install \
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cmake \
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cyrus-sasl-devel \
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gcc-c++ \
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wget \
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which \
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zlib \
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zlib-devel && \
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microdnf clean all && \
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rm -rf /var/cache/yum
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zlib-devel
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microdnf clean all
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rm -rf /var/cache/yum
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EOF
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WORKDIR /stackable
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RUN curl -O https://repo.stackable.tech/repository/packages/kcat/kcat-${PRODUCT}.tar.gz \
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&& tar xvfz kcat-${PRODUCT}.tar.gz \
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&& cd kcat-${PRODUCT} \
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&& ./bootstrap.sh
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RUN <<EOF
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curl -O https://repo.stackable.tech/repository/packages/kcat/kcat-${PRODUCT}.tar.gz
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tar xvfz kcat-${PRODUCT}.tar.gz
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cd kcat-${PRODUCT}
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./bootstrap.sh
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# set correct permissions
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chmod --recursive g=u /stackable/kcat-${PRODUCT}
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EOF
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COPY --chown=${STACKABLE_USER_UID}:0 kcat/licenses /licenses
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