[FAB-1657] enable zookeeper on POWER & s390x

Use platform specific testenv image for POWER and s390x
as base image inorder to build zookeeper, instead of using x86_64
specific zookeeper image for orderer kafka behave tests

Change-Id: I3a42781234558581e14dcb2d1aabbc5593454852
Signed-off-by: Krishna Harsha Voora <krishvoor@in.ibm.com>

Makefile

@@ -63,7 +63,7 @@ PROTOS = $(shell git ls-files *.proto | grep -v vendor)
 MSP_SAMPLECONFIG = $(shell git ls-files msp/sampleconfig/*.pem)
 GENESIS_SAMPLECONFIG = $(shell git ls-files common/configtx/test/*.template)
 PROJECT_FILES = $(shell git ls-files)
-IMAGES = peer orderer ccenv javaenv testenv runtime
+IMAGES = peer orderer ccenv javaenv testenv runtime zookeeper
 
 pkgmap.peer           := $(PKGNAME)/peer
 pkgmap.orderer        := $(PKGNAME)/orderer
@@ -191,6 +191,7 @@ build/image/orderer/payload:    build/docker/bin/orderer \
 				orderer/orderer.yaml
 build/image/testenv/payload:    build/gotools.tar.bz2
 build/image/runtime/payload:    build/docker/busybox
+build/image/zookeeper/payload:  images/zookeeper/docker-entrypoint.sh
 
 build/image/%/payload:
 	mkdir -p $@

bddtests/environments/kafka/docker-compose.yml

@@ -1,8 +1,7 @@
 version: '2'
 services:
   zookeeper:
-    # Offical Apache ZooKeeper image. See https://hub.docker.com/_/zookeeper/
-    image: zookeeper:3.4.9
+    image: hyperledger/fabric-zookeeper
 
   kafka:
     build: .

bddtests/environments/orderer-1-kafka-1/docker-compose.yml

@@ -1,8 +1,7 @@
 version: '2'
 services:
   zookeeper:
-    # Offical Apache ZooKeeper image. See https://hub.docker.com/_/zookeeper/
-    image: zookeeper:3.4.9
+    image: hyperledger/fabric-zookeeper
 
   orderer0:
     image: hyperledger/fabric-orderer

bddtests/environments/orderer-1-kafka-3/docker-compose.yml

@@ -1,8 +1,7 @@
 version: '2'
 services:
   zookeeper:
-    # Offical Apache ZooKeeper image. See https://hub.docker.com/_/zookeeper/
-    image: zookeeper:3.4.9
+    image: hyperledger/fabric-zookeeper
 
   orderer0:
     image: hyperledger/fabric-orderer

bddtests/environments/orderer-n-kafka-n/docker-compose.yml

@@ -1,8 +1,7 @@
 version: '2'
 services:
   zookeeper:
-    # Offical Apache ZooKeeper image. See https://hub.docker.com/_/zookeeper/
-    image: zookeeper:3.4.9
+    image: hyperledger/fabric-zookeeper
 
   orderer:
     build: ./orderer

images/zookeeper/Dockerfile.in

@@ -0,0 +1,47 @@
+FROM hyperledger/fabric-baseimage:_BASE_TAG_
+# Based on https://github.com/31z4/zookeeper-docker/blob/master/3.4.9/Dockerfile
+
+# Install su-exec
+RUN set -x \
+    && git clone https://github.com/ncopa/su-exec /tmp/su-exec/ \
+    && cd /tmp/su-exec \
+    && make all \
+    && cp su-exec /usr/bin/
+
+ENV ZOO_USER=zookeeper \
+    ZOO_CONF_DIR=/conf \
+    ZOO_DATA_DIR=/data \
+    ZOO_DATA_LOG_DIR=/datalog \
+    ZOO_PORT=2181 \
+    ZOO_TICK_TIME=2000 \
+    ZOO_INIT_LIMIT=5 \
+    ZOO_SYNC_LIMIT=2
+
+# Add a user and make dirs
+RUN set -x \
+    && useradd "$ZOO_USER" \
+    && mkdir -p "$ZOO_DATA_LOG_DIR" "$ZOO_DATA_DIR" "$ZOO_CONF_DIR" \
+    && chown "$ZOO_USER:$ZOO_USER" "$ZOO_DATA_LOG_DIR" "$ZOO_DATA_DIR" "$ZOO_CONF_DIR"
+
+ARG GPG_KEY=C823E3E5B12AF29C67F81976F5CECB3CB5E9BD2D
+ARG DISTRO_NAME=zookeeper-3.4.9
+
+# Download Apache Zookeeper, verify its PGP signature, untar and clean up
+RUN set -x \
+    && cd / \
+    && wget -q "http://www.apache.org/dist/zookeeper/$DISTRO_NAME/$DISTRO_NAME.tar.gz" \
+    && tar -xzf "$DISTRO_NAME.tar.gz" \
+    && mv "$DISTRO_NAME/conf/"* "$ZOO_CONF_DIR" \
+    && rm -r "$DISTRO_NAME.tar.gz"
+
+WORKDIR $DISTRO_NAME
+VOLUME ["$ZOO_DATA_DIR", "$ZOO_DATA_LOG_DIR"]
+
+EXPOSE $ZOO_PORT 2888 3888
+
+ENV PATH=$PATH:/$DISTRO_NAME/bin \
+    ZOOCFGDIR=$ZOO_CONF_DIR
+
+COPY payload/docker-entrypoint.sh /
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["zkServer.sh", "start-foreground"]

images/zookeeper/docker-entrypoint.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+set -e
+
+# Allow the container to be started with `--user`
+if [ "$1" = 'zkServer.sh' -a "$(id -u)" = '0' ]; then
+    chown -R "$ZOO_USER" "$ZOO_DATA_DIR" "$ZOO_DATA_LOG_DIR"
+    exec su-exec "$ZOO_USER" "$0" "$@"
+fi
+
+# Generate the config only if it doesn't exist
+if [ ! -f "$ZOO_CONF_DIR/zoo.cfg" ]; then
+    CONFIG="$ZOO_CONF_DIR/zoo.cfg"
+
+    echo "clientPort=$ZOO_PORT" >> "$CONFIG"
+    echo "dataDir=$ZOO_DATA_DIR" >> "$CONFIG"
+    echo "dataLogDir=$ZOO_DATA_LOG_DIR" >> "$CONFIG"
+
+    echo "tickTime=$ZOO_TICK_TIME" >> "$CONFIG"
+    echo "initLimit=$ZOO_INIT_LIMIT" >> "$CONFIG"
+    echo "syncLimit=$ZOO_SYNC_LIMIT" >> "$CONFIG"
+
+    for server in $ZOO_SERVERS; do
+        echo "$server" >> "$CONFIG"
+    done
+fi
+
+# Write myid only if it doesn't exist
+if [ ! -f "$ZOO_DATA_DIR/myid" ]; then
+    echo "${ZOO_MY_ID:-1}" > "$ZOO_DATA_DIR/myid"
+fi
+
+exec "$@"