test: option to use snapshot repository in an artifact registry

Author: suztomo

.kokoro/build.sh

@@ -27,6 +27,26 @@ source ${scriptDir}/common.sh
 mvn -version
 echo ${JOB_TYPE}
 
+# TODO: We'll change define this value in a different place later
+if [[ "${JOB_TYPE}" == "integration" ]]; then
+  SHARED_DEPS_OVERRIDE=3.45.2-SNAPSHOT
+fi
+if [ -n "${SHARED_DEPS_OVERRIDE}" ]; then
+  echo "Account used for Artifact Registry authentication"
+  echo "gcloud config get-value core/account:"
+  gcloud config get-value core/account
+  echo "wget a file from Artifact Registry:"
+  wget --quiet --header="Authorization: Bearer $(gcloud auth print-access-token)" \
+      --output-document=/dev/null \
+      https://us-maven.pkg.dev/suztomo-cloud-function-test/test-maven-repo/com/google/cloud/google-cloud-shared-dependencies/3.45.2-latest-deps-2024-0418-102802/google-cloud-shared-dependencies-3.45.2-latest-deps-2024-0418-102802.pom
+
+  # Tell the integration tests to use the specific shared dependencies available in the snapshot repository.
+  INTEGRATION_TEST_ARGS="${INTEGRATION_TEST_ARGS} -Dgoogle-cloud-shared-dependencies.version=${SHARED_DEPS_OVERRIDE} -Puse-snapshot-repo"
+  echo "Showing dependency tree"
+  mvn -B ${INTEGRATION_TEST_ARGS} -ntp dependency:tree
+  echo "End of dependency tree"
+fi
+
 # attempt to install 3 times with exponential backoff (starting with 10 seconds)
 retry_with_backoff 3 10 \
   mvn install -B -V -ntp \

.mvn/extensions.xml

@@ -0,0 +1,10 @@
+<extensions xmlns="http://maven.apache.org/EXTENSIONS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/EXTENSIONS/1.0.0 http://maven.apache.org/xsd/core-extensions-1.0.0.xsd">
+  <!-- Extension to allow us to use the "artifactregistry://" URL scheme -->
+  <extension>
+    <groupId>com.google.cloud.artifactregistry</groupId>
+    <artifactId>artifactregistry-maven-wagon</artifactId>
+    <version>2.2.5</version>
+  </extension>
+</extensions>
+

pom.xml

@@ -365,6 +365,21 @@
                 </plugins>
             </build>
         </profile>
+        <profile>
+            <id>use-snapshot-repo</id>
+            <repositories>
+                <repository>
+                    <id>artifact-registry</id>
+                    <url>artifactregistry://us-maven.pkg.dev/suztomo-cloud-function-test/test-maven-repo-snapshot</url>
+                    <releases>
+                        <enabled>true</enabled>
+                    </releases>
+                    <snapshots>
+                        <enabled>true</enabled>
+                    </snapshots>
+                </repository>
+            </repositories>
+        </profile>
     </profiles>
 
     <modules>