[release] Update Dockerfiles for 2.1.0 release

This closes #4

2.1.0/Dockerfile

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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 flink:1.10.1
+
+ENV STATEFUN_VERSION=2.1.0 \
+    GPG_KEY=1C1E2394D3194E1944613488F320986D35C33D6A
+
+ENV ROLE worker
+ENV MASTER_HOST localhost
+ENV STATEFUN_HOME /opt/statefun
+ENV STATEFUN_MODULES $STATEFUN_HOME/modules
+
+# Cleanup flink-lib
+RUN rm -fr $FLINK_HOME/lib/flink-table*jar
+
+# Copy our distriubtion template
+COPY flink-distribution/ $FLINK_HOME/
+
+# Install Stateful Functions dependencies in Flink lib
+ENV DIST_JAR_URL=https://repo.maven.apache.org/maven2/org/apache/flink/statefun-flink-distribution/${STATEFUN_VERSION}/statefun-flink-distribution-${STATEFUN_VERSION}.jar \
+    DIST_ASC_URL=https://repo.maven.apache.org/maven2/org/apache/flink/statefun-flink-distribution/${STATEFUN_VERSION}/statefun-flink-distribution-${STATEFUN_VERSION}.jar.asc \
+    CORE_JAR_URL=https://repo.maven.apache.org/maven2/org/apache/flink/statefun-flink-core/${STATEFUN_VERSION}/statefun-flink-core-${STATEFUN_VERSION}.jar \
+    CORE_ASC_URL=https://repo.maven.apache.org/maven2/org/apache/flink/statefun-flink-core/${STATEFUN_VERSION}/statefun-flink-core-${STATEFUN_VERSION}.jar.asc
+
+RUN set -ex; \
+  wget -nv -O statefun-flink-distribution.jar "$DIST_JAR_URL"; \
+  wget -nv -O statefun-flink-distribution.jar.asc "$DIST_ASC_URL"; \
+  wget -nv -O statefun-flink-core.jar "$CORE_JAR_URL"; \
+  wget -nv -O statefun-flink-core.jar.asc "$CORE_ASC_URL"; \
+  \
+  export GNUPGHOME="$(mktemp -d)"; \
+  for server in ha.pool.sks-keyservers.net $(shuf -e \
+                          hkp://p80.pool.sks-keyservers.net:80 \
+                          keyserver.ubuntu.com \
+                          hkp://keyserver.ubuntu.com:80 \
+                          pgp.mit.edu) ; do \
+      gpg --batch --keyserver "$server" --recv-keys "$GPG_KEY" && break || : ; \
+  done && \
+  gpg --batch --verify statefun-flink-distribution.jar.asc statefun-flink-distribution.jar; \
+  gpg --batch --verify statefun-flink-core.jar.asc statefun-flink-core.jar; \
+  gpgconf --kill all; \
+  rm -rf "$GNUPGHOME" statefun-flink-distribution.jar.asc statefun-flink-core.jar.asc; \
+  \
+  mkdir -p $FLINK_HOME/lib; \
+  mv statefun-flink-distribution.jar $FLINK_HOME/lib; \
+  mv statefun-flink-core.jar $FLINK_HOME/lib;
+
+# add user modules
+USER root
+
+RUN mkdir -p $STATEFUN_MODULES && \
+    useradd --system --home-dir $STATEFUN_HOME --uid=9998 --gid=flink statefun && \
+    chown -R statefun:flink $STATEFUN_HOME && \
+    chmod -R g+rw $STATEFUN_HOME
+
+# entry point 
+ADD docker-entry-point.sh /docker-entry-point.sh
+
+ENTRYPOINT ["/docker-entry-point.sh"]

2.1.0/docker-entry-point.sh

@@ -0,0 +1,56 @@
+#!/bin/bash 
+
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+
+#
+# Role types
+#
+WORKER="worker"
+MASTER="master"
+
+#
+# Environment
+# 
+FLINK_HOME=${FLINK_HOME:-"/opt/flink/bin"}
+ROLE=${ROLE:-"worker"}
+MASTER_HOST=${MASTER_HOST:-"localhost"}
+
+#
+# Start a service depending on the role.
+#
+if [[ "${ROLE}" == "${WORKER}" ]]; then
+  #
+  # start the TaskManager (worker role)
+  #
+  exec ${FLINK_HOME}/bin/taskmanager.sh start-foreground \
+    -Djobmanager.rpc.address=${MASTER_HOST}
+
+elif [[ "${ROLE}" == "${MASTER}" ]]; then
+  #
+  # start the JobManager (master role) with our predefined job.
+  #
+  exec $FLINK_HOME/bin/standalone-job.sh \
+    start-foreground \
+    -Djobmanager.rpc.address=${MASTER_HOST} \
+   "$@"
+else
+  #
+  # unknown role
+  #
+  echo "unknown role ${ROLE}"
+  exit 1
+fi

2.1.0/flink-distribution/bin/flink-console.sh

@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+
+# This file was taken from Apache Flink, and modified to include another entry point
+
+# Start a Flink service as a console application. Must be stopped with Ctrl-C
+# or with SIGTERM by kill or the controlling process.
+USAGE="Usage: flink-console.sh (taskexecutor|zookeeper|historyserver|standalonesession|standalonejob|statefun) [args]"
+
+SERVICE=$1
+ARGS=("${@:2}") # get remaining arguments as array
+
+bin=`dirname "$0"`
+bin=`cd "$bin"; pwd`
+
+. "$bin"/config.sh
+
+case ${SERVICE} in
+    (taskexecutor)
+        CLASS_TO_RUN=org.apache.flink.runtime.taskexecutor.TaskManagerRunner
+    ;;
+
+    (historyserver)
+        CLASS_TO_RUN=org.apache.flink.runtime.webmonitor.history.HistoryServer
+    ;;
+
+    (zookeeper)
+        CLASS_TO_RUN=org.apache.flink.runtime.zookeeper.FlinkZooKeeperQuorumPeer
+    ;;
+
+    (standalonesession)
+        CLASS_TO_RUN=org.apache.flink.runtime.entrypoint.StandaloneSessionClusterEntrypoint
+    ;;
+
+    (standalonejob)
+        CLASS_TO_RUN=org.apache.flink.container.entrypoint.StandaloneJobClusterEntryPoint
+    ;;
+
+    (statefun)
+        CLASS_TO_RUN=org.apache.flink.statefun.flink.launcher.StatefulFunctionsClusterEntryPoint
+    ;;
+
+    (*)
+        echo "Unknown service '${SERVICE}'. $USAGE."
+        exit 1
+    ;;
+esac
+
+FLINK_TM_CLASSPATH=`constructFlinkClassPath`
+
+log_setting=("-Dlog4j.configuration=file:${FLINK_CONF_DIR}/log4j-console.properties" "-Dlogback.configurationFile=file:${FLINK_CONF_DIR}/logback-console.xml")
+
+JAVA_VERSION=$(${JAVA_RUN} -version 2>&1 | sed 's/.*version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q')
+
+# Only set JVM 8 arguments if we have correctly extracted the version
+if [[ ${JAVA_VERSION} =~ ${IS_NUMBER} ]]; then
+    if [ "$JAVA_VERSION" -lt 18 ]; then
+        JVM_ARGS="$JVM_ARGS -XX:MaxPermSize=256m"
+    fi
+fi
+
+echo "Starting $SERVICE as a console application on host $HOSTNAME."
+exec $JAVA_RUN ${JVM_ARGS} ${FLINK_ENV_JAVA_OPTS} "${log_setting[@]}" -classpath "`manglePathList "$FLINK_TM_CLASSPATH:$INTERNAL_HADOOP_CLASSPATHS"`" ${CLASS_TO_RUN} "${ARGS[@]}"

2.1.0/flink-distribution/bin/standalone-job.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+
+# This file was taken from Apache Flink, and modified to include another entry point
+
+# Start/stop a Flink JobManager.
+USAGE="Usage: standalone-job.sh ((start|start-foreground))|stop [args]"
+
+STARTSTOP=$1
+ENTRY_POINT_NAME="statefun"
+
+if [[ ${STARTSTOP} != "start" ]] && [[ ${STARTSTOP} != "start-foreground" ]] && [[ ${STARTSTOP} != "stop" ]]; then
+  echo ${USAGE}
+  exit 1
+fi
+
+bin=`dirname "$0"`
+bin=`cd "$bin"; pwd`
+
+. "$bin"/config.sh
+
+# Startup parameters
+ARGS=("--configDir" "${FLINK_CONF_DIR}" "${@:2}")
+
+if [[ ${STARTSTOP} == "start" ]] || [[ ${STARTSTOP} == "start-foreground" ]]; then
+    if [ ! -z "${FLINK_JM_HEAP_MB}" ] && [ "${FLINK_JM_HEAP}" == 0 ]; then
+	    echo "used deprecated key \`${KEY_JOBM_MEM_MB}\`, please replace with key \`${KEY_JOBM_MEM_SIZE}\`"
+    else
+	    flink_jm_heap_bytes=$(parseBytes ${FLINK_JM_HEAP})
+	    FLINK_JM_HEAP_MB=$(getMebiBytes ${flink_jm_heap_bytes})
+    fi
+
+    if [[ ! ${FLINK_JM_HEAP_MB} =~ $IS_NUMBER ]] || [[ "${FLINK_JM_HEAP_MB}" -lt "0" ]]; then
+        echo "[ERROR] Configured memory size is not a valid value. Please set '${KEY_JOBM_MEM_SIZE}' in ${FLINK_CONF_FILE}."
+        exit 1
+    fi
+
+    if [ "${FLINK_JM_HEAP_MB}" -gt "0" ]; then
+        export JVM_ARGS="$JVM_ARGS -Xms"$FLINK_JM_HEAP_MB"m -Xmx"$FLINK_JM_HEAP_MB"m"
+    fi
+
+    # Add cluster entry point specific JVM options
+    export FLINK_ENV_JAVA_OPTS="${FLINK_ENV_JAVA_OPTS} ${FLINK_ENV_JAVA_OPTS_JM}"
+fi
+
+if [[ $STARTSTOP == "start-foreground" ]]; then
+    exec "${FLINK_BIN_DIR}"/flink-console.sh ${ENTRY_POINT_NAME} "${ARGS[@]}"
+else
+    "${FLINK_BIN_DIR}"/flink-daemon.sh ${STARTSTOP} ${ENTRY_POINT_NAME} "${ARGS[@]}"
+fi

2.1.0/flink-distribution/conf/flink-conf.yaml

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+# This file is the base for the Apache Flink configuration
+
+#==============================================================================
+# Configurations strictly required by Stateful Functions. Do not change.
+#==============================================================================
+
+classloader.parent-first-patterns.additional: org.apache.flink.statefun;org.apache.kafka;com.google.protobuf
+
+#==============================================================================
+# Recommended configurations. Users may change according to their needs.
+#==============================================================================
+
+state.backend: rocksdb
+state.backend.rocksdb.timer-service.factory: ROCKSDB
+state.checkpoints.dir: file:///checkpoint-dir
+state.backend.incremental: true
+taskmanager.memory.process.size: 4g