From ea80d1cac8ab8456e764d8d1b2bedeaeebb757d4 Mon Sep 17 00:00:00 2001
From: Joe Wang <106995533+JoeWang1127@users.noreply.github.com>
Date: Thu, 9 May 2024 12:39:32 -0400
Subject: [PATCH 1/2] chore: remove unused CLIs (#2677)

In this PR:
- Remove CLI in `generate_repo.py` and `generate_pr_description.py`
since these CLIs are migrated to `entry_point.py`.
---
 .../cli/generate_monorepo_gapic_bom.py        |  1 -
 library_generation/generate_pr_description.py | 49 +------------
 library_generation/generate_repo.py           | 72 +------------------
 3 files changed, 2 insertions(+), 120 deletions(-)

diff --git a/library_generation/cli/generate_monorepo_gapic_bom.py b/library_generation/cli/generate_monorepo_gapic_bom.py
index 999c9e5ebf..b26a02c17f 100644
--- a/library_generation/cli/generate_monorepo_gapic_bom.py
+++ b/library_generation/cli/generate_monorepo_gapic_bom.py
@@ -14,7 +14,6 @@
 import click as click
 
 from library_generation.utils.pom_generator import generate_gapic_bom
-from library_generation.utils.pom_generator import generate_root_pom
 
 
 @click.group(invoke_without_command=False)
diff --git a/library_generation/generate_pr_description.py b/library_generation/generate_pr_description.py
index 042d0bf59d..a223a8f88d 100644
--- a/library_generation/generate_pr_description.py
+++ b/library_generation/generate_pr_description.py
@@ -15,57 +15,14 @@
 import calendar
 import os
 import shutil
-import click as click
 from typing import Dict
 from git import Commit, Repo
-from library_generation.model.generation_config import GenerationConfig, from_yaml
+from library_generation.model.generation_config import GenerationConfig
 from library_generation.utils.proto_path_utils import find_versioned_proto_path
 from library_generation.utils.commit_message_formatter import format_commit_message
 from library_generation.utils.commit_message_formatter import wrap_override_commit
 
 
-@click.group(invoke_without_command=False)
-@click.pass_context
-@click.version_option(message="%(version)s")
-def main(ctx):
-    pass
-
-
-@main.command()
-@click.option(
-    "--generation-config-yaml",
-    required=True,
-    type=str,
-    help="""
-    Path to generation_config.yaml that contains the metadata about
-    library generation.
-    The googleapis commit in the configuration is the latest commit,
-    inclusively, from which the commit message is considered.
-    """,
-)
-@click.option(
-    "--baseline-commit",
-    required=True,
-    type=str,
-    help="""
-    The baseline (oldest) commit, exclusively, from which the commit message is
-    considered.
-    This commit should be an ancestor of googleapis commit in configuration.
-    """,
-)
-def generate(
-    generation_config_yaml: str,
-    baseline_commit: str,
-) -> None:
-    idx = generation_config_yaml.rfind("/")
-    config_path = generation_config_yaml[:idx]
-    generate_pr_descriptions(
-        config=from_yaml(generation_config_yaml),
-        baseline_commit=baseline_commit,
-        description_path=config_path,
-    )
-
-
 def generate_pr_descriptions(
     config: GenerationConfig,
     baseline_commit: str,
@@ -218,7 +175,3 @@ def __get_commit_timestamp(commit: Commit) -> int:
     :return: the timestamp of the commit
     """
     return calendar.timegm(commit.committed_datetime.utctimetuple())
-
-
-if __name__ == "__main__":
-    main()
diff --git a/library_generation/generate_repo.py b/library_generation/generate_repo.py
index 9a97e3555b..af70bcc1f2 100755
--- a/library_generation/generate_repo.py
+++ b/library_generation/generate_repo.py
@@ -12,79 +12,13 @@
 # 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.
-import click as click
 import library_generation.utils.utilities as util
 from library_generation.generate_composed_library import generate_composed_library
-from library_generation.model.generation_config import GenerationConfig, from_yaml
+from library_generation.model.generation_config import GenerationConfig
 from library_generation.model.library_config import LibraryConfig
 from library_generation.utils.monorepo_postprocessor import monorepo_postprocessing
 
 
-@click.group(invoke_without_command=False)
-@click.pass_context
-@click.version_option(message="%(version)s")
-def main(ctx):
-    pass
-
-
-@main.command()
-@click.option(
-    "--generation-config-yaml",
-    required=True,
-    type=str,
-    help="""
-    Path to generation_config.yaml that contains the metadata about
-    library generation
-    """,
-)
-@click.option(
-    "--target-library-names",
-    required=False,
-    default=None,
-    type=str,
-    help="""
-    A list of libraries will be generated.
-    
-    If specified, only the `library` whose library_name is in
-    target-library-names will be generated.
-    If not specified, all libraries in the configuration yaml will be generated.
-    
-    The input string will be parsed to a list of string with comma as the
-    separator.
-    
-    For example, apigeeconnect,alloydb-connectors will be parsed as a
-    list of two strings, apigeeconnect and alloydb-connectors.
-    """,
-)
-@click.option(
-    "--repository-path",
-    required=False,
-    default=".",
-    type=str,
-    help="""
-    If specified, the generated files will be sent to this location.
-    If not specified, the repository will be generated to the current working
-    directory.
-    """,
-)
-def generate(
-    generation_config_yaml: str,
-    target_library_names: str,
-    repository_path: str,
-):
-    config = from_yaml(generation_config_yaml)
-    generate_from_yaml(
-        config_path=generation_config_yaml,
-        config=config,
-        repository_path=repository_path,
-        target_library_names=(
-            target_library_names.split(",")
-            if target_library_names is not None
-            else target_library_names
-        ),
-    )
-
-
 def generate_from_yaml(
     config_path: str,
     config: GenerationConfig,
@@ -152,7 +86,3 @@ def get_target_libraries(
         for library in config.libraries
         if library.get_library_name() in target_libraries
     ]
-
-
-if __name__ == "__main__":
-    main()

From 69f5aecbb7d615eddf38ef236a944800edb8d731 Mon Sep 17 00:00:00 2001
From: Burke Davison <40617934+burkedavison@users.noreply.github.com>
Date: Thu, 9 May 2024 15:57:47 -0400
Subject: [PATCH 2/2] ci: parallelize downstream and showcase native testing
 (#2749)

---
 .../cloudbuild-test-a-downstream-kms.yaml     | 46 ++++++++++++++
 ...dbuild-test-a-downstream-kmsinventory.yaml | 46 ++++++++++++++
 .cloudbuild/graalvm/cloudbuild-test-a.yaml    | 13 ++--
 .../cloudbuild-test-b-downstream-kms.yaml     | 45 +++++++++++++
 ...dbuild-test-b-downstream-kmsinventory.yaml | 46 ++++++++++++++
 .cloudbuild/graalvm/cloudbuild-test-b.yaml    | 13 ++--
 .kokoro/presubmit/common.cfg                  | 33 ----------
 .kokoro/presubmit/downstream-build.sh         | 35 +----------
 .kokoro/presubmit/showcase-native.sh          | 63 +++++++++++++++++++
 9 files changed, 267 insertions(+), 73 deletions(-)
 create mode 100644 .cloudbuild/graalvm/cloudbuild-test-a-downstream-kms.yaml
 create mode 100644 .cloudbuild/graalvm/cloudbuild-test-a-downstream-kmsinventory.yaml
 create mode 100644 .cloudbuild/graalvm/cloudbuild-test-b-downstream-kms.yaml
 create mode 100644 .cloudbuild/graalvm/cloudbuild-test-b-downstream-kmsinventory.yaml
 delete mode 100644 .kokoro/presubmit/common.cfg
 create mode 100644 .kokoro/presubmit/showcase-native.sh

diff --git a/.cloudbuild/graalvm/cloudbuild-test-a-downstream-kms.yaml b/.cloudbuild/graalvm/cloudbuild-test-a-downstream-kms.yaml
new file mode 100644
index 0000000000..831b72f674
--- /dev/null
+++ b/.cloudbuild/graalvm/cloudbuild-test-a-downstream-kms.yaml
@@ -0,0 +1,46 @@
+# Copyright 2024 Google LLC
+#
+# Licensed 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.
+
+timeout: 7200s # 2 hours
+substitutions:
+  _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.7.7'
+
+steps:
+  - name: gcr.io/cloud-builders/docker
+    args: [
+      "build",
+      "-t", "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}",
+      "--file", "graalvm_a.Dockerfile",
+      "--build-arg", "JAVA_SHARED_CONFIG_VERSION=$_JAVA_SHARED_CONFIG_VERSION",
+      "."
+    ]
+    dir: .cloudbuild/graalvm
+    id: graalvm-a-build
+    waitFor: ["-"]
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}
+    waitFor: [ "graalvm-a-build" ]
+    entrypoint: java
+    args: [ '-version' ]
+    id: java-version
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}
+    entrypoint: bash
+    args: [ './.kokoro/presubmit/downstream-build.sh' ]
+    waitFor: [ "graalvm-a-build" ]
+    id: native-java-kms
+    env:
+      - 'MODULES_UNDER_TEST=java-kms'
+      - 'GOOGLE_CLOUD_PROJECT=cloud-java-ci-test'
diff --git a/.cloudbuild/graalvm/cloudbuild-test-a-downstream-kmsinventory.yaml b/.cloudbuild/graalvm/cloudbuild-test-a-downstream-kmsinventory.yaml
new file mode 100644
index 0000000000..73b1e91713
--- /dev/null
+++ b/.cloudbuild/graalvm/cloudbuild-test-a-downstream-kmsinventory.yaml
@@ -0,0 +1,46 @@
+# Copyright 2024 Google LLC
+#
+# Licensed 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.
+
+timeout: 7200s # 2 hours
+substitutions:
+  _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.7.7'
+
+steps:
+  - name: gcr.io/cloud-builders/docker
+    args: [
+      "build",
+      "-t", "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}",
+      "--file", "graalvm_a.Dockerfile",
+      "--build-arg", "JAVA_SHARED_CONFIG_VERSION=$_JAVA_SHARED_CONFIG_VERSION",
+      "."
+    ]
+    dir: .cloudbuild/graalvm
+    id: graalvm-a-build
+    waitFor: ["-"]
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}
+    waitFor: [ "graalvm-a-build" ]
+    entrypoint: java
+    args: [ '-version' ]
+    id: java-version
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}
+    entrypoint: bash
+    args: [ './.kokoro/presubmit/downstream-build.sh' ]
+    waitFor: [ "graalvm-a-build" ]
+    id: native-java-kmsinventory
+    env:
+      - 'MODULES_UNDER_TEST=java-kmsinventory'
+      - 'GOOGLE_CLOUD_PROJECT=cloud-java-ci-test'
diff --git a/.cloudbuild/graalvm/cloudbuild-test-a.yaml b/.cloudbuild/graalvm/cloudbuild-test-a.yaml
index 3b7f864812..1e94185f51 100644
--- a/.cloudbuild/graalvm/cloudbuild-test-a.yaml
+++ b/.cloudbuild/graalvm/cloudbuild-test-a.yaml
@@ -29,10 +29,15 @@ steps:
     dir: .cloudbuild/graalvm
     id: graalvm-a-build
     waitFor: ["-"]
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}
+    waitFor: [ "graalvm-a-build" ]
+    entrypoint: java
+    args: [ '-version' ]
+    id: java-version
+
   - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:${_SHARED_DEPENDENCIES_VERSION}
     entrypoint: bash
-    args: [ './.kokoro/presubmit/downstream-build.sh' ]
+    args: [ './.kokoro/presubmit/showcase-native.sh' ]
     waitFor: [ "graalvm-a-build" ]
-    env:
-      - 'MODULES_UNDER_TEST=java-kms'
-      - 'GOOGLE_CLOUD_PROJECT=cloud-java-ci-test'
+    id: native-showcase
\ No newline at end of file
diff --git a/.cloudbuild/graalvm/cloudbuild-test-b-downstream-kms.yaml b/.cloudbuild/graalvm/cloudbuild-test-b-downstream-kms.yaml
new file mode 100644
index 0000000000..5bcb9e1517
--- /dev/null
+++ b/.cloudbuild/graalvm/cloudbuild-test-b-downstream-kms.yaml
@@ -0,0 +1,45 @@
+# Copyright 2024 Google LLC
+#
+# Licensed 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.
+
+timeout: 7200s # 2 hours
+substitutions:
+  _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.7.7'
+
+steps:
+  - name: gcr.io/cloud-builders/docker
+    args: [
+      "build",
+      "-t", "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}",
+      "--file", "graalvm_b.Dockerfile",
+      "--build-arg", "JAVA_SHARED_CONFIG_VERSION=$_JAVA_SHARED_CONFIG_VERSION",
+      "."
+    ]
+    dir: .cloudbuild/graalvm
+    id: graalvm-b-build
+    waitFor: ["-"]
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}
+    waitFor: [ "graalvm-b-build" ]
+    entrypoint: java
+    args: [ '-version' ]
+    id: java-version
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}
+    entrypoint: bash
+    args: [ './.kokoro/presubmit/downstream-build.sh' ]
+    waitFor: [ "graalvm-b-build" ]
+    env:
+      - 'MODULES_UNDER_TEST=java-kms'
+      - 'GOOGLE_CLOUD_PROJECT=cloud-java-ci-test'
diff --git a/.cloudbuild/graalvm/cloudbuild-test-b-downstream-kmsinventory.yaml b/.cloudbuild/graalvm/cloudbuild-test-b-downstream-kmsinventory.yaml
new file mode 100644
index 0000000000..5a007ce67b
--- /dev/null
+++ b/.cloudbuild/graalvm/cloudbuild-test-b-downstream-kmsinventory.yaml
@@ -0,0 +1,46 @@
+# Copyright 2024 Google LLC
+#
+# Licensed 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.
+
+timeout: 7200s # 2 hours
+substitutions:
+  _SHARED_DEPENDENCIES_VERSION: '3.30.1-SNAPSHOT' # {x-version-update:google-cloud-shared-dependencies:current}
+  _JAVA_SHARED_CONFIG_VERSION: '1.7.7'
+
+steps:
+  - name: gcr.io/cloud-builders/docker
+    args: [
+      "build",
+      "-t", "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}",
+      "--file", "graalvm_b.Dockerfile",
+      "--build-arg", "JAVA_SHARED_CONFIG_VERSION=$_JAVA_SHARED_CONFIG_VERSION",
+      "."
+    ]
+    dir: .cloudbuild/graalvm
+    id: graalvm-b-build
+    waitFor: ["-"]
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}
+    waitFor: [ "graalvm-b-build" ]
+    entrypoint: java
+    args: [ '-version' ]
+    id: java-version
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}
+    entrypoint: bash
+    args: [ './.kokoro/presubmit/downstream-build.sh' ]
+    waitFor: [ "graalvm-b-build" ]
+    id: native-java-kmsinventory
+    env:
+      - 'MODULES_UNDER_TEST=java-kmsinventory'
+      - 'GOOGLE_CLOUD_PROJECT=cloud-java-ci-test'
diff --git a/.cloudbuild/graalvm/cloudbuild-test-b.yaml b/.cloudbuild/graalvm/cloudbuild-test-b.yaml
index 71ad6cc1da..79bddcb824 100644
--- a/.cloudbuild/graalvm/cloudbuild-test-b.yaml
+++ b/.cloudbuild/graalvm/cloudbuild-test-b.yaml
@@ -29,10 +29,15 @@ steps:
     dir: .cloudbuild/graalvm
     id: graalvm-b-build
     waitFor: ["-"]
+
+  - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}
+    waitFor: [ "graalvm-b-build" ]
+    entrypoint: java
+    args: [ '-version' ]
+    id: java-version
+
   - name: gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:${_SHARED_DEPENDENCIES_VERSION}
     entrypoint: bash
-    args: [ './.kokoro/presubmit/downstream-build.sh' ]
+    args: [ './.kokoro/presubmit/showcase-native.sh' ]
     waitFor: [ "graalvm-b-build" ]
-    env:
-      - 'MODULES_UNDER_TEST=java-kms'
-      - 'GOOGLE_CLOUD_PROJECT=cloud-java-ci-test'
+    id: native-showcase
\ No newline at end of file
diff --git a/.kokoro/presubmit/common.cfg b/.kokoro/presubmit/common.cfg
deleted file mode 100644
index 24deaae512..0000000000
--- a/.kokoro/presubmit/common.cfg
+++ /dev/null
@@ -1,33 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Download trampoline resources. These will be in ${KOKORO_GFILE_DIR}
-gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
-
-# All builds use the trampoline script to run in docker.
-build_file: "sdk-platform-java/.kokoro/trampoline.sh"
-
-env_vars: {
-  key: "TRAMPOLINE_BUILD_FILE"
-  value: "github/sdk-platform-java/.kokoro/presubmit/downstream-build.sh"
-}
-
-# TODO: remove this after we've migrated all tests and scripts
-env_vars: {
-  key: "GCLOUD_PROJECT"
-  value: "cloud-java-ci-test"
-}
-
-env_vars: {
-  key: "GOOGLE_CLOUD_PROJECT"
-  value: "cloud-java-ci-test"
-}
-
-env_vars: {
-  key: "GOOGLE_APPLICATION_CREDENTIALS"
-  value: "secret_manager/cloud-java-ci-it-service-account"
-}
-
-env_vars: {
-  key: "SECRET_MANAGER_KEYS"
-  value: "cloud-java-ci-it-service-account"
-}
\ No newline at end of file
diff --git a/.kokoro/presubmit/downstream-build.sh b/.kokoro/presubmit/downstream-build.sh
index 4b0e9418df..274ec58d5c 100755
--- a/.kokoro/presubmit/downstream-build.sh
+++ b/.kokoro/presubmit/downstream-build.sh
@@ -19,11 +19,6 @@ if [ -z "${MODULES_UNDER_TEST}" ]; then
   echo "MODULES_UNDER_TEST must be set to run downstream-build.sh"
   exit 1
 fi
-# Use default value for REPOS_UNDER_TEST if unset. If set to empty string, maintain empty string.
-#
-# java-storage is currently the only downstream repo that doesn't require cloud resources for its
-#   GraalVM integration tests.
-REPOS_UNDER_TEST=${REPOS_UNDER_TEST-"java-storage"}
 
 ## Get the directory of the build script
 scriptDir=$(realpath "$(dirname "${BASH_SOURCE[0]}")")
@@ -34,10 +29,11 @@ source "$scriptDir/common.sh"
 mkdir -p "${HOME}/.m2"
 cp settings.xml "${HOME}/.m2"
 
-### Round 1
 # Publish this repo's modules to local maven to make them available for downstream libraries
 mvn install --projects '!gapic-generator-java' \
+  -Danimal.sniffer.skip \
   -Dcheckstyle.skip \
+  -Dclirr.skip \
   -Dfmt.skip \
   -DskipTests \
   -B -ntp \
@@ -46,42 +42,17 @@ mvn install --projects '!gapic-generator-java' \
 
 SHARED_DEPS_VERSION=$(parse_pom_version java-shared-dependencies)
 
-### Round 2 : Run showcase integration tests in GraalVM
-pushd showcase/gapic-showcase
-SHOWCASE_VERSION=$(mvn help:evaluate -Dexpression=gapic-showcase.version -q -DforceStdout)
-popd
-# Start showcase server
-mkdir -p /usr/src/showcase
-curl \
-  --location https://github.com/googleapis/gapic-showcase/releases/download/v"${SHOWCASE_VERSION}"/gapic-showcase-"${SHOWCASE_VERSION}"-linux-amd64.tar.gz \
-  --output /usr/src/showcase/showcase-"${SHOWCASE_VERSION}"-linux-amd64.tar.gz
-pushd /usr/src/showcase/
-tar -xf showcase-*
-./gapic-showcase run &
-popd
-# Run showcase tests with `native` profile
-pushd showcase
-mvn test -Pnative,-showcase \
-  -Denforcer.skip=true \
-  -Dcheckstyle.skip \
-  -Dfmt.skip \
-  -ntp -B \
-  -Dorg.slf4j.simpleLogger.showDateTime=true \
-  -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
-popd
-
-### Round 3
 # Update the shared-dependencies version in google-cloud-jar-parent
 git clone "https://github.com/googleapis/google-cloud-java.git" --depth=1
 update_all_poms_dependency google-cloud-java google-cloud-shared-dependencies "$SHARED_DEPS_VERSION"
 
-### Round 4
 # Run the updated java-shared-dependencies BOM against google-cloud-java integration tests
 cd google-cloud-java
 source ./.kokoro/common.sh
 RETURN_CODE=0
 setup_application_credentials
 setup_cloud "$MODULES_UNDER_TEST"
+install_modules "$MODULES_UNDER_TEST"
 run_graalvm_tests "$MODULES_UNDER_TEST"
 # Exit must occur in google-cloud-java directory to correctly destroy IT resources
 exit "$RETURN_CODE"
diff --git a/.kokoro/presubmit/showcase-native.sh b/.kokoro/presubmit/showcase-native.sh
new file mode 100644
index 0000000000..4cd9fd6090
--- /dev/null
+++ b/.kokoro/presubmit/showcase-native.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# Copyright 2024 Google LLC
+#
+# Licensed 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.
+
+set -eo pipefail
+
+## Get the directory of the build script
+scriptDir=$(realpath "$(dirname "${BASH_SOURCE[0]}")")
+cd "${scriptDir}/../.." # git repo root
+source "$scriptDir/common.sh"
+
+# Use GCP Maven Mirror
+mkdir -p "${HOME}/.m2"
+cp settings.xml "${HOME}/.m2"
+
+# Publish this repo's modules to local maven to make them available for downstream libraries
+mvn install --projects '!gapic-generator-java' \
+  -Danimal.sniffer.skip \
+  -Dcheckstyle.skip \
+  -Dclirr.skip \
+  -Dfmt.skip \
+  -DskipTests \
+  -B -ntp \
+  -Dorg.slf4j.simpleLogger.showDateTime=true \
+  -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
+
+SHARED_DEPS_VERSION=$(parse_pom_version java-shared-dependencies)
+
+# Run showcase integration tests in GraalVM
+pushd showcase/gapic-showcase
+SHOWCASE_VERSION=$(mvn help:evaluate -Dexpression=gapic-showcase.version -q -DforceStdout)
+popd
+# Start showcase server
+mkdir -p /usr/src/showcase
+curl \
+  --location https://github.com/googleapis/gapic-showcase/releases/download/v"${SHOWCASE_VERSION}"/gapic-showcase-"${SHOWCASE_VERSION}"-linux-amd64.tar.gz \
+  --output /usr/src/showcase/showcase-"${SHOWCASE_VERSION}"-linux-amd64.tar.gz
+pushd /usr/src/showcase/
+tar -xf showcase-*
+./gapic-showcase run &
+popd
+
+# Run showcase tests with `native` profile
+pushd showcase
+mvn test -Pnative,-showcase \
+  -Denforcer.skip=true \
+  -Dcheckstyle.skip \
+  -Dfmt.skip \
+  -ntp -B \
+  -Dorg.slf4j.simpleLogger.showDateTime=true \
+  -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
+popd