crontab

1 */8 * * * aws s3 cp --recursive ~/looker s3://looker-config/looker --exclude="*.jar" --exclude="*.zip" --exclude="awscli-bundle/_"

Dockerfile

FROM quay.io/aptible/java:oracle-java8

ENV JAVA_HOME /usr/lib/jvm/java-8-oracle

RUN apt-get update && apt-get -y install libc6-dev unzip curl
RUN groupadd looker && useradd -m -g looker -s /bin/bash looker

ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.5/supercronic-linux-amd64 \
    SUPERCRONIC=supercronic-linux-amd64 \
    SUPERCRONIC_SHA1SUM=9aeb41e00cc7b71d30d33c57a2333f2c2581a201

RUN curl -fsSLO "$SUPERCRONIC_URL" \
 && echo "${SUPERCRONIC_SHA1SUM}  ${SUPERCRONIC}" | sha1sum -c - \
 && chmod +x "$SUPERCRONIC" \
 && mv "$SUPERCRONIC" "/usr/local/bin/${SUPERCRONIC}" \
 && ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic

USER looker
RUN mkdir /home/looker/looker
WORKDIR /home/looker/looker
ADD crontab /looker/crontab

ENV S3_URL https://s3.amazonaws.com/download.looker.com/aeHee2HiNeekoh3uIu6hec3W
RUN wget $S3_URL/looker-latest.jar -O looker.jar

COPY templates/looker looker

USER root

RUN wget "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -O "awscli-bundle.zip"
RUN unzip awscli-bundle.zip

RUN sudo /usr/bin/python3 ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws

RUN rm awscli-bundle.zip

RUN chmod 0777 -R /home/looker/looker
USER looker
RUN mkdir -p log && touch log/looker.log

ENV PORT 9999
EXPOSE 9999

looker.sh

#!/bin/sh

# Make sure we're running Java 1.8
JAVA_VER=$(java -version 2>&1 | sed 's/java version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q')
if [ "$JAVA_VER" -le 17 ]; then
  echo "The Java version installed on this host is too old. Please upgrade to the latest version of Java 8."
  exit 1
fi

cd $HOME/looker
# set your java memory to 80% of container size
JM=`expr ${APTIBLE_CONTAINER_SIZE} \* 1024 \* 8 / 10`
JAVAMEM="${JM}k"
METAMEM="800m"

# Extra Java startup args and Looker startup args.  These can also be set in
# a file named lookerstart.cfg
JMXARGS="-Dcom.sun.akuma.jvmarg.com.sun.management.jmxremote -Dcom.sun.akuma.jvmarg.com.sun.management.jmxremote.port=9910 -Dcom.sun.akuma.jvmarg.com.sun.management.jmxremote.ssl=false -Dcom.sun.akuma.jvmarg.com.sun.management.jmxremote.local.only=false -Dcom.sun.akuma.jvmarg.com.sun.management.jmxremote.authenticate=true -Dcom.sun.akuma.jvmarg.com.sun.management.jmxremote.access.file=${HOME}/.lookerjmx/jmxremote.access -Dcom.sun.akuma.jvmarg.com.sun.management.jmxremote.password.file=${HOME}/.lookerjmx/jmxremote.password"

# to set up JMX monitoring, add JMXARGS ot JAVAARGS
JAVAARGS=""
LOOKERARGS="--no-ssl"

# check for a lookerstart.cfg file to set JAVAARGS and LOOKERARGS
if [ -r ./lookerstart.cfg ]; then
  . ./lookerstart.cfg
fi

# check if --no-ssl is specified in LOOKERARGS and set protocol accordingly
PROTOCOL=""

echo "${LOOKERARGS}" | grep -q "\-\-no\-ssl"
if [ $? -eq 0 ]
then
    PROTOCOL='http'
else
    PROTOCOL='https'
fi

start() {
    if [ -e .deploying ]; then
        echo "Startup suppressed: ${PWD}/.deploying file exists.  Remove .deploying file to allow startup"
        exit 1
    fi

    LOCKFILE=.starting
    if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}`; then
        echo "Startup suppressed: ${LOCKFILE} contains running pid, startup script is already running"
        exit 1
    fi

    # make sure the lockfile is removed when we exit and then claim it
    trap "rm -f ${LOCKFILE}; exit" INT TERM EXIT
    echo $$ > ${LOCKFILE}

    fixcrypt
    java \
  -XX:+UseG1GC -XX:MaxGCPauseMillis=2000 -XX:MaxMetaspaceSize=$METAMEM \
  -Xms$JAVAMEM -Xmx$JAVAMEM \
  -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps \
  -Xloggc:/tmp/gc.log  ${JAVAARGS} \
  -jar looker.jar start ${LOOKERARGS}

    if [ -x ./tunnel ]; then
       ./tunnel start
    fi

    rm -f ${LOCKFILE}
}

stop() {
    pid=`cat .tmp/looker.pid`
    if [ -f .status_server_token ] && [ -x /usr/bin/curl ]; then
        state="running"
        token=`cat .status_server_token`
        request="control/stop?token=${token}"
        timeout 20 curl -m 10 -ks ${PROTOCOL}://127.0.0.1:9999/${request} > /dev/null 2>&1
        ECODE=$?
        [ $ECODE -eq 7 ] && state="stopped"
        if [ $ECODE -gt 7 ] ; then
            kill $pid
        fi
        for i in {1..30}; do
            timeout 20 curl -m 5 -ks ${PROTOCOL}://127.0.0.1:9999/alive > /dev/null 2>&1
            ECODE=$?
            if [ $ECODE -eq 7 ]; then
              state="stopped"
              break
            fi
            if [ $ECODE -gt 7 ] ; then
                kill -9 $pid
            fi
            sleep 1
        done
        if [ "${state}" = "running" ]; then
            echo "Force Stop Looker Web Application"
            kill $pid
            kill -0 $pid && kill -9 $pid
        fi
    else
        timeout 20 java -jar looker.jar stop
        if [ $? -ne 0 ]; then
            kill -9 $pid
        fi
    fi
}

fixcrypt() {
    CRYPTEXIST=`/sbin/ldconfig -p | grep -c '\slibcrypt.so\s'`

    if [ $CRYPTEXIST -eq 0 ]; then
        if [ ! -d .tmp ]; then
            mkdir .tmp
        fi
        CRYPTLN=`/sbin/ldconfig -p | grep '\slibcrypt\.so\.[[:digit:]]' | awk '{print $(NF)}'`
        ln -s -f $CRYPTLN `pwd`/.tmp/libcrypt.so
        export LD_LIBRARY_PATH=`pwd`/.tmp/:$LD_LIBRARY_PATH
    fi
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    echo "Restarting Looker Web Application" "looker"
        stop
        sleep 3
        start
    ;;
  status)
        curl -ks ${PROTOCOL}://127.0.0.1:9999/alive > /dev/null 2>&1
        if [ $? -eq 7 ]; then
          echo "Status:Looker Web Application stopped"
          exit 7
        else
          echo "Status:Looker Web Application running"
          exit 0
        fi
        ;;
  *)
        java -jar looker.jar $*
        ;;
esac

exit 0

Procfile

web: cd ~/ && aws s3 cp --recursive s3://looker-config/looker ./looker --exclude="*.jar" --exclude="*.zip" --exclude="awscli-bundle/_" && chmod 777 looker/looker && cd looker/ && ./looker start && tail -f log/looker.log

cron: exec supercronic /looker/crontab

Hi Blake,

S3_URL https://s3.amazonaws.com/download.looker.com/aeHee2HiNeekoh3uIu6hec3W doesn't seem to work anymore. Any ideas?