Add build changes to publish github LinkedIn Kafka artifacts to bintr…

…ay (#1)

[NOTE] This is a temporary measure to publish artifacts until CI is properly set up to do the job automatically. Users are not expected to run this themselves.

README.md

@@ -157,13 +157,20 @@ to avoid known issues with this configuration.
     ./gradlew releaseTarGzAll
 
 ### Publishing the jar for all version of Scala and for all projects to maven ###
-    ./gradlew uploadArchivesAll
+    ./gradlew -Pversion=<release version> uploadArchivesAll
 
-Please note for this to work you should create/update `${GRADLE_USER_HOME}/gradle.properties` (typically, `~/.gradle/gradle.properties`) and assign the following variables
+By default, this command will publish artifacts to a Bintray repository named "kafka" under an account specified by the BINTRAY_USER environment variable. The BINTRAY_KEY
+environment variable is used for the password for that account.
+
+If you want to override this to use a different maven repository, you should create/update `${GRADLE_USER_HOME}/gradle.properties` (typically, `~/.gradle/gradle.properties`)
+and assign the following variables
 
     mavenUrl=
     mavenUsername=
     mavenPassword=
+
+Signing is disabled by default. If you need signing, please set the following variables in `gradle.properties` as well:
+
     signing.keyId=
     signing.password=
     signing.secretKeyRingFile=

build.gradle

@@ -94,10 +94,15 @@ ext {
   skipSigning = project.hasProperty('skipSigning') && skipSigning.toBoolean()
   shouldSign = !skipSigning && !version.endsWith("SNAPSHOT") && project.gradle.startParameter.taskNames.any { it.contains("upload") }
 
-  mavenUrl = project.hasProperty('mavenUrl') ? project.mavenUrl : ''
-  mavenUsername = project.hasProperty('mavenUsername') ? project.mavenUsername : ''
-  mavenPassword = project.hasProperty('mavenPassword') ? project.mavenPassword : ''
-
+  bintrayUsername = System.getenv('BINTRAY_USER')
+  bintrayKey=System.getenv('BINTRAY_KEY')
+  bintrayUrl = bintrayApiBaseUrl + '/maven/' + bintrayUsername + '/' + bintrayRepo + '/' + bintrayPackage + '/;publish=1'
+
+  // By default, publish to Bintray.
+  mavenUrl = project.hasProperty('mavenUrl') ? project.mavenUrl : bintrayUrl
+  mavenUsername = project.hasProperty('mavenUsername') ? project.mavenUsername : bintrayUsername
+  mavenPassword = project.hasProperty('mavenPassword') ? project.mavenPassword : bintrayKey
+
   userShowStandardStreams = project.hasProperty("showStandardStreams") ? showStandardStreams : null
 
   userTestLoggingEvents = project.hasProperty("testLoggingEvents") ? Arrays.asList(testLoggingEvents.split(",")) : null
@@ -177,9 +182,9 @@ subprojects {
               afterEvaluate {
                   pom.artifactId = "${archivesBaseName}"
                   pom.project {
-                      name 'Apache Kafka'
+                      name 'LinkedIn fork of Apache Kafka'
                       packaging 'jar'
-                      url 'http://kafka.apache.org'
+                      url 'http://github.com/linkedin/kafka'
                       licenses {
                           license {
                               name 'The Apache Software License, Version 2.0'
@@ -517,7 +522,7 @@ for ( sv in availableScalaVersions ) {
 }
 
 def connectPkgs = ['connect:api', 'connect:runtime', 'connect:transforms', 'connect:json', 'connect:file', 'connect:basic-auth-extension']
-def pkgs = ['clients', 'examples', 'log4j-appender', 'tools', 'streams', 'streams:streams-scala', 'streams:test-utils', 'streams:examples'] + connectPkgs
+def pkgs = ['clients', 'examples', 'log4j-appender', 'tools', 'streams', 'streams:test-utils', 'streams:examples'] + connectPkgs
 
 /** Create one task per default Scala version */
 def withDefScalaVersions(taskName) {

gradle.properties

@@ -13,13 +13,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-group=org.apache.kafka
-# NOTE: When you change this version number, you should also make sure to update
-# the version numbers in
+group=com.linkedin.kafka
+
+# NOTE: publishing artifacts requires a property named "version" to be set explicitly. For example,
+#   ./gradlew -Pversion=<version> uploadArchivesAll
+#
+# You should also make sure to update the version numbers in
 #  - tests/kafkatest/__init__.py,
 #  - tests/kafkatest/version.py (variable DEV_VERSION)
-#  - kafka-merge-pr.py.
-version=2.1.0-SNAPSHOT
+#  - kafka-merge-pr.py
+#
+# as necessary.
+
 scalaVersion=2.11.12
 task=build
 org.gradle.jvmargs=-Xmx1024m -Xss2m
+bintrayApiBaseUrl=https://api.bintray.com
+bintrayRepo=kafka
+bintrayPackage=kafka
+skipSigning=true