feat: Introduce Native Image testing build script changes (#1240) (#334)

Adds additional switch case to build.sh to accommodate native image testing.
Source-Link: googleapis/synthtool@d45942b
Post-Processor: gcr.io/repo-automation-bots/owlbot-java:latest@sha256:d4b2141d65566523dfd523f63c6e6899ab1281463bce182a9f600e74b0511875

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-java:latest
-  digest: sha256:5ba0bc6649b2d147f7dea0836e5b484afba15e10db96e0e5bf01d4edf095041e
+  digest: sha256:d4b2141d65566523dfd523f63c6e6899ab1281463bce182a9f600e74b0511875

.github/workflows/ci.yaml

@@ -9,14 +9,15 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11]
+        java: [8, 11, 17]
     steps:
     - uses: actions/checkout@v2
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v1
+    - uses: actions/setup-java@v2
       with:
+        distribution: zulu
         java-version: ${{matrix.java}}
     - run: java -version
     - run: .kokoro/build.sh
@@ -29,8 +30,9 @@ jobs:
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v1
+    - uses: actions/setup-java@v2
       with:
+        distribution: zulu
         java-version: 8
     - run: java -version
     - run: .kokoro/build.bat
@@ -40,14 +42,15 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11]
+        java: [8, 11, 17]
     steps:
     - uses: actions/checkout@v2
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v1
+    - uses: actions/setup-java@v2
       with:
+        distribution: zulu
         java-version: ${{matrix.java}}
     - run: java -version
     - run: .kokoro/dependencies.sh
@@ -58,8 +61,9 @@ jobs:
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v1
+    - uses: actions/setup-java@v2
       with:
+        distribution: zulu
         java-version: 8
     - run: java -version
     - run: .kokoro/build.sh
@@ -72,8 +76,9 @@ jobs:
     - uses: stCarolas/setup-maven@v4
       with:
         maven-version: 3.8.1
-    - uses: actions/setup-java@v1
+    - uses: actions/setup-java@v2
       with:
+        distribution: zulu
         java-version: 8
     - run: java -version
     - run: .kokoro/build.sh

.kokoro/build.sh

@@ -69,6 +69,11 @@ integration)
       verify
     RETURN_CODE=$?
     ;;
+graalvm)
+    # Run Unit and Integration Tests with Native Image
+    mvn test -Pnative -Penable-integration-tests
+    RETURN_CODE=$?
+    ;;
 samples)
     SAMPLES_DIR=samples
     # only run ITs in snapshot/ on presubmit PRs. run ITs in all 3 samples/ subdirectories otherwise.

.kokoro/dependencies.sh

@@ -28,7 +28,28 @@ source ${scriptDir}/common.sh
 java -version
 echo $JOB_TYPE
 
-export MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=128m"
+function determineMavenOpts() {
+  local javaVersion=$(
+    # filter down to the version line, then pull out the version between quotes,
+    # then trim the version number down to its minimal number (removing any
+    # update or suffix number).
+    java -version 2>&1 | grep "version" \
+      | sed -E 's/^.*"(.*?)".*$/\1/g' \
+      | sed -E 's/^(1\.[0-9]\.0).*$/\1/g'
+  )
+
+  case $javaVersion in
+    "17")
+      # MaxPermSize is no longer supported as of jdk 17
+      echo -n "-Xmx1024m"
+      ;;
+    *)
+      echo -n "-Xmx1024m -XX:MaxPermSize=128m"
+      ;;
+  esac
+}
+
+export MAVEN_OPTS=$(determineMavenOpts)
 
 # this should run maven enforcer
 retry_with_backoff 3 10 \

.kokoro/presubmit/graalvm-native.cfg

@@ -0,0 +1,33 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Configure the docker image for kokoro-trampoline.
+env_vars: {
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-kokoro-resources/graalvm"
+}
+
+env_vars: {
+  key: "JOB_TYPE"
+  value: "graalvm"
+}
+
+# TODO: remove this after we've migrated all tests and scripts
+env_vars: {
+  key: "GCLOUD_PROJECT"
+  value: "gcloud-devel"
+}
+
+env_vars: {
+  key: "GOOGLE_CLOUD_PROJECT"
+  value: "gcloud-devel"
+}
+
+env_vars: {
+  key: "GOOGLE_APPLICATION_CREDENTIALS"
+  value: "secret_manager/java-it-service-account"
+}
+
+env_vars: {
+  key: "SECRET_MANAGER_KEYS"
+  value: "java-it-service-account"
+}