Update travis config to run integration tests

- Add utilities/verify.sh script that avoid running IT tests on PRs
- Move key decryption to utilities/verify.sh (we need API key)
- Call utilities/verity.sh from .travis.yml

.travis.yml

@@ -8,7 +8,8 @@ before_install:
 - git clone -b travis `git config --get remote.origin.url` target/travis
 - cp target/travis/settings.xml ~/.m2/settings.xml
 install: mvn install -DskipTests=true -Dgpg.skip=true
-script: mvn verify
+script: 
+- utilities/verify.sh
 branches:
   only:
   - master

utilities/after_success.sh

@@ -11,12 +11,6 @@ if [ "${TRAVIS_JDK_VERSION}" == "oraclejdk7" -a "${TRAVIS_BRANCH}" == "master" -
 
     SITE_VERSION=$(mvn org.apache.maven.plugins:maven-help-plugin:2.1.1:evaluate -Dexpression=project.version | grep -Ev '(^\[|\w+:)')
     if [ "${SITE_VERSION##*-}" != "SNAPSHOT" ]; then
-        # Get signing tools
-        openssl aes-256-cbc -K $encrypted_631490ecae8f_key -iv $encrypted_631490ecae8f_iv -in target/travis/signing-tools.tar.enc -out target/travis/signing-tools.tar -d
-        mkdir target/travis/signing-tools
-        chmod 700 target/travis/signing-tools
-        tar xvf target/travis/signing-tools.tar -C target/travis/signing-tools
-
         # Deploy site if not a SNAPSHOT
         git config --global user.name "travis-ci"
         git config --global user.email "[email protected]"

utilities/verify.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# This script is used by Travis-CI to run tests.
+# This script is referenced in .travis.yml.
+
+if [ "${TRAVIS_BRANCH}" == "master" -a "${TRAVIS_PULL_REQUEST}" == "false" ]; then
+    # Get signing tools and API keyfile
+    openssl aes-256-cbc -K $encrypted_631490ecae8f_key -iv $encrypted_631490ecae8f_iv -in target/travis/signing-tools.tar.enc -out target/travis/signing-tools.tar -d
+    mkdir target/travis/signing-tools
+    chmod 700 target/travis/signing-tools
+    tar xvf target/travis/signing-tools.tar -C target/travis/signing-tools
+    # Export test env variables
+    export GCLOUD_TESTS_PROJECT_ID="gcloud-devel"
+    export GCLOUD_TESTS_KEY=$TRAVIS_BUILD_DIR/target/travis/signing-tools/gcloud-devel-travis.json
+    # Run verify
+    mvn verify
+else
+    mvn verify -DskipITs
+fi