[ADAM-1403] Push coverage reports to Coveralls.

Resolves #1403.

pom.xml

@@ -660,6 +660,29 @@
         </plugins>
       </build>
     </profile>
+    <profile>
+      <id>coveralls</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.eluder.coveralls</groupId>
+            <artifactId>coveralls-maven-plugin</artifactId>
+            <version>3.0.1</version>
+            <configuration>
+              <coberturaReports>
+                <param>${project.build.directory}/cobertura.xml</param>
+              </coberturaReports>
+              <sourceDirectories>
+                <param>adam-core/src/main/scala</param>
+                <param>adam-core/src/main/java</param>
+                <param>adam-apis/src/main/scala</param>
+                <param>adam-cli/src/main/scala</param>
+              </sourceDirectories>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
     <!-- Only sign artifacts when we are performing a release, not snapshots -->
     <profile>
       <id>sonatype-oss-release</id>

scripts/jenkins-test

@@ -100,10 +100,29 @@ mvn clean \
     -Dhadoop.version=${HADOOP_VERSION} \
     -Dspark.version=${SPARK_VERSION} 
 
+# if this is a pull request, we need to set the coveralls pr id
+if [[ ! -z $ghprbPullId ]];
+then
+    COVERALLS_PRB_OPTION="-DpullRequest=${ghprbPullId}"
+fi
+
+# coveralls token should not be visible
+set +x +v
+
+if [[ -z ${COVERALLS_REPO_TOKEN} ]];
+then
+    echo "Coveralls token is not set. Exiting..."
+    exit 1
+fi
+
 # if those pass, build the distribution package and the integration tests
 mvn -U \
     test \
-    -P coverage scoverage:report
+    -P coverage,coveralls  scoverage:report coveralls:report \
+    -DrepoToken=${COVERALLS_REPO_TOKEN} ${COVERALLS_PRB_OPTION}
+
+# make verbose again
+set -x -v
 
 # if those pass, build the distribution package
 mvn -U \