Build and publish docker images (#575)

.travis.yml

@@ -21,6 +21,11 @@ language: java C++ ruby
 jdk:
   - oraclejdk8
 
+sudo: required
+
+services:
+  - docker
+
 cache:
   directories:
   - $HOME/.m2
@@ -44,7 +49,10 @@ install:
 
 script:
     # Build Java and C++
-    - mvn license:check test && sudo bash -x $TRAVIS_BUILD_DIR/pulsar-client-cpp/travis-build.sh $HOME/pulsar-dep $TRAVIS_BUILD_DIR compile
+    - mvn license:check test package && sudo bash -x $TRAVIS_BUILD_DIR/pulsar-client-cpp/travis-build.sh $HOME/pulsar-dep $TRAVIS_BUILD_DIR compile
+    # Build docker images
+    - docker/build.sh
+    # Generate website
     - (cd site && make travis_build)
 
 deploy:
@@ -81,3 +89,9 @@ deploy:
     on:
         repo: apache/incubator-pulsar
         branch: master
+  -
+    provider: script
+    skip_cleanup: true
+    script: docker/publish.sh
+    on:
+       tags: true

docker/build.sh

@@ -18,14 +18,10 @@
 # under the License.
 #
 
-# Get the project version from Maven
-pushd .. > /dev/null
-MVN_VERSION=$(mvn -q \
-    -Dexec.executable="echo" \
-    -Dexec.args='${project.version}' \
-    --non-recursive \
-    org.codehaus.mojo:exec-maven-plugin:1.3.1:exec)
-popd > /dev/null
+ROOT_DIR=$(git rev-parse --show-toplevel)
+cd $ROOT_DIR/docker
+
+MVN_VERSION=`./get-version.sh`
 
 echo "Pulsar version: ${MVN_VERSION}"
 
@@ -54,14 +50,14 @@ rm pulsar-${MVN_VERSION}-bin.tar.gz
 
 
 # Build pulsar-grafana image
-docker build -t pulsar-grafana grafana
+docker build -t pulsar-grafana:latest grafana
 if [ $? != 0 ]; then
     echo "Error: Failed to create Docker image for pulsar-grafana"
     exit 1
 fi
 
 # Build dashboard docker image
-docker build -t pulsar-dashboard ../dashboard
+docker build -t pulsar-dashboard:latest ../dashboard
 if [ $? != 0 ]; then
     echo "Error: Failed to create Docker image for pulsar-dashboard"
     exit 1

docker/get-version.sh

+#!/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.
+#
+
+ROOT_DIR=$(git rev-parse --show-toplevel)
+
+pushd $ROOT_DIR > /dev/null
+
+# Get the project version from the Maven pom.xml
+cat pom.xml | xmllint --format - \
+    | sed "s/xmlns=\".*\"//g" | xmllint --stream --pattern /project/version --debug - \
+    | grep -A 2 "matches pattern" | grep text | sed "s/.* [0-9] //g"
+
+popd > /dev/null

docker/publish.sh

+#!/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.
+#
+
+ROOT_DIR=$(git rev-parse --show-toplevel)
+cd $ROOT_DIR/docker
+
+# We should only publish images that are made from official and approved releases
+# and thus ignore all the release candidates that are just tagged during the release
+# process
+if [[ ${TRAVIS_TAG} == *"candidate"* || ${TRAVIS_TAG} == *"rc"* ]]; then
+    echo "Skipping non-final release tag ${TRAVIS_TAG}"
+    exit 0
+fi
+
+if [ -z "$DOCKER_USER" ]; then
+    echo "Docker user in variable \$DOCKER_USER was not set. Skipping image publishing"
+    exit 1
+fi
+
+if [ -z "$DOCKER_PASSWORD" ]; then
+    echo "Docker password in variable \$DOCKER_PASSWORD was not set. Skipping image publishing"
+    exit 1
+fi
+
+DOCKER_ORG="${DOCKER_ORG:-apachepulsar}"
+
+docker login -u="$DOCKER_USER" -p="$DOCKER_PASSWORD"
+if [ $? -ne 0 ]; then
+    echo "Failed to loging to Docker Hub"
+    exit 1
+fi
+
+MVN_VERSION=`./get-version.sh`
+echo "Pulsar version: ${MVN_VERSION}"
+
+set -x
+
+# Fail if any of the subsequent commands fail
+set -e
+
+docker tag pulsar:latest $DOCKER_ORG/pulsar:latest
+docker tag pulsar-grafana:latest $DOCKER_ORG/pulsar-grafana:latest
+docker tag pulsar-dashboard:latest $DOCKER_ORG/pulsar-dashboard:latest
+
+docker tag pulsar:latest $DOCKER_ORG/pulsar:$MVN_VERSION
+docker tag pulsar-grafana:latest $DOCKER_ORG/pulsar-grafana:$MVN_VERSION
+docker tag pulsar-dashboard:latest $DOCKER_ORG/pulsar-dashboard:$MVN_VERSION
+
+# Push all images and tags
+docker push $DOCKER_ORG/pulsar:latest
+docker push $DOCKER_ORG/pulsar-grafana:latest
+docker push $DOCKER_ORG/pulsar-dashboard:latest
+docker push $DOCKER_ORG/pulsar:$MVN_VERSION
+docker push $DOCKER_ORG/pulsar-grafana:$MVN_VERSION
+docker push $DOCKER_ORG/pulsar-dashboard:$MVN_VERSION