Dockerfile.open.releases.full

# (C) Copyright IBM Corporation 2021
#
# 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
#
#      https://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.
#

FROM ubuntu:20.04

ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'

RUN apt-get update \
    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata curl ca-certificates fontconfig locales \
    && echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen \
    && locale-gen en_US.UTF-8 \
    && rm -rf /var/lib/apt/lists/*

ENV JAVA_VERSION jdk-16.0.2+7_openj9-0.27.0

RUN set -eux; \
    ARCH="$(dpkg --print-architecture)"; \
    case "${ARCH}" in \
       ppc64el|ppc64le) \
         ESUM='51dac9a69b594c72adabb2c36634a121be04a17c4ce34628cf9b37fd5010c1a8'; \
         BINARY_URL='https://github.com/ibmruntimes/semeru16-binaries/releases/download/jdk-16.0.2%2B7_openj9-0.27.0/ibm-semeru-open-jre_ppc64le_linux_16.0.2_7_openj9-0.27.0.tar.gz'; \
         ;; \
       s390x) \
         ESUM='dba28e3e06bb7c76b4da2f46c48ed74dc72e168f9ee01439decadea181eb402c'; \
         BINARY_URL='https://github.com/ibmruntimes/semeru16-binaries/releases/download/jdk-16.0.2%2B7_openj9-0.27.0/ibm-semeru-open-jre_s390x_linux_16.0.2_7_openj9-0.27.0.tar.gz'; \
         ;; \
       amd64|x86_64) \
         ESUM='b077cd0b35d3ed1927c22e5b498264ecff67297992809056187b42662edfc536'; \
         BINARY_URL='https://github.com/ibmruntimes/semeru16-binaries/releases/download/jdk-16.0.2%2B7_openj9-0.27.0/ibm-semeru-open-jre_x64_linux_16.0.2_7_openj9-0.27.0.tar.gz'; \
         ;; \
       *) \
         echo "Unsupported arch: ${ARCH}"; \
         exit 1; \
         ;; \
    esac; \
    curl -LfsSo /tmp/openjdk.tar.gz ${BINARY_URL}; \
    echo "${ESUM} */tmp/openjdk.tar.gz" | sha256sum -c -; \
    mkdir -p /opt/java/openjdk; \
    cd /opt/java/openjdk; \
    tar -xf /tmp/openjdk.tar.gz --strip-components=1; \
    rm -rf /tmp/openjdk.tar.gz;

ENV JAVA_HOME=/opt/java/openjdk \
    PATH="/opt/java/openjdk/bin:$PATH"
ENV JAVA_TOOL_OPTIONS="-XX:+IgnoreUnrecognizedVMOptions -XX:+IdleTuningGcOnIdle -Xshareclasses:name=openj9_system_scc,cacheDir=/opt/java/.scc,readonly,nonFatal"

# Create OpenJ9 SharedClassCache (SCC) for bootclasses to improve the java startup.
# Downloads and runs tomcat to generate SCC for bootclasses at /opt/java/.scc/openj9_system_scc
# Does a dry-run and calculates the optimal cache size and recreates the cache with the appropriate size.
# With SCC, OpenJ9 startup is improved ~50% with an increase in image size of ~14MB
# Application classes can be create a separate cache layer with this as the base for further startup improvement

RUN set -eux; \
    unset OPENJ9_JAVA_OPTIONS; \
    SCC_SIZE="50m"; \
    DOWNLOAD_PATH_TOMCAT=/tmp/tomcat; \
    INSTALL_PATH_TOMCAT=/opt/tomcat-home; \
    TOMCAT_CHECKSUM="3f022ec8552bce1b72eb85d0778c93052ccb00226de3302544ec844ab93a9991e19c2db56ed06c18f03e5d75f34a46cedac46ae83bdd225518a55c62fc69ea04"; \
    TOMCAT_DWNLD_URL="https://dlcdn.apache.org/tomcat/tomcat-9/v9.0.83/bin/apache-tomcat-9.0.83.tar.gz"; \
    \
    mkdir -p "${DOWNLOAD_PATH_TOMCAT}" "${INSTALL_PATH_TOMCAT}"; \
    curl -LfsSo "${DOWNLOAD_PATH_TOMCAT}"/tomcat.tar.gz "${TOMCAT_DWNLD_URL}"; \
    echo "${TOMCAT_CHECKSUM} *${DOWNLOAD_PATH_TOMCAT}/tomcat.tar.gz" | sha512sum -c -; \
    tar -xf "${DOWNLOAD_PATH_TOMCAT}"/tomcat.tar.gz -C "${INSTALL_PATH_TOMCAT}" --strip-components=1; \
    rm -rf "${DOWNLOAD_PATH_TOMCAT}"; \
    \
    java -Xshareclasses:name=dry_run_scc,cacheDir=/opt/java/.scc,bootClassesOnly,nonFatal,createLayer -Xscmx$SCC_SIZE -version; \
    export OPENJ9_JAVA_OPTIONS="-XX:+IProfileDuringStartupPhase -Xshareclasses:name=dry_run_scc,cacheDir=/opt/java/.scc,bootClassesOnly,nonFatal"; \
    "${INSTALL_PATH_TOMCAT}"/bin/startup.sh; \
    sleep 5; \
    "${INSTALL_PATH_TOMCAT}"/bin/shutdown.sh -force; \
    sleep 15; \
    FULL=$( (java -Xshareclasses:name=dry_run_scc,cacheDir=/opt/java/.scc,printallStats 2>&1 || true) | awk '/^Cache is [0-9.]*% .*full/ {print substr($3, 1, length($3)-1)}'); \
    DST_CACHE=$(java -Xshareclasses:name=dry_run_scc,cacheDir=/opt/java/.scc,destroy 2>&1 || true); \
    SCC_SIZE=$(echo $SCC_SIZE | sed 's/.$//'); \
    SCC_SIZE=$(awk "BEGIN {print int($SCC_SIZE * $FULL / 100.0)}"); \
    [ "${SCC_SIZE}" -eq 0 ] && SCC_SIZE=1; \
    SCC_SIZE="${SCC_SIZE}m"; \
    java -Xshareclasses:name=openj9_system_scc,cacheDir=/opt/java/.scc,bootClassesOnly,nonFatal,createLayer -Xscmx$SCC_SIZE -version; \
    unset OPENJ9_JAVA_OPTIONS; \
    \
    export OPENJ9_JAVA_OPTIONS="-XX:+IProfileDuringStartupPhase -Xshareclasses:name=openj9_system_scc,cacheDir=/opt/java/.scc,bootClassesOnly,nonFatal"; \
    "${INSTALL_PATH_TOMCAT}"/bin/startup.sh; \
    sleep 5; \
    "${INSTALL_PATH_TOMCAT}"/bin/shutdown.sh -force; \
    sleep 5; \
    FULL=$( (java -Xshareclasses:name=openj9_system_scc,cacheDir=/opt/java/.scc,printallStats 2>&1 || true) | awk '/^Cache is [0-9.]*% .*full/ {print substr($3, 1, length($3)-1)}'); \
    echo "SCC layer is $FULL% full."; \
    rm -rf "${INSTALL_PATH_TOMCAT}"; \
    if [ -d "/opt/java/.scc" ]; then \
          chmod -R 0777 /opt/java/.scc; \
    fi; \
    \
    echo "SCC generation phase completed";