feat: add kokoro jobs for samples module (#61)

* update based on comments

* feat: add kokoro builds for samples module

* simplify build script for samples

* add samples builds to nightly and presubmit runs

.kokoro/common.cfg

@@ -1,5 +1,8 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
+# Download secrets from Cloud Storage.
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/java-docs-samples"
+
 # Download trampoline resources. These will be in ${KOKORO_GFILE_DIR}
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 

.kokoro/continuous/java11-samples.cfg

@@ -0,0 +1,27 @@
+# Copyright 2019 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.
+
+# 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/java11"
+}
+
+# Tell the trampoline which tests to run.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/java-docs-samples/.kokoro/run_samples_tests.sh"
+}

.kokoro/continuous/java8-samples.cfg

@@ -0,0 +1,30 @@
+# Copyright 2019 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.
+
+# 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/java8"
+}
+
+# Tell trampoline which tests to run.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/java-bigquery/.kokoro/run_samples_tests.sh"
+}
+
+
+

.kokoro/nightly/java11-samples.cfg

@@ -0,0 +1,27 @@
+# Copyright 2019 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.
+
+# 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/java11"
+}
+
+# Tell the trampoline which tests to run.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/java-docs-samples/.kokoro/run_samples_tests.sh"
+}

.kokoro/nightly/java8-samples.cfg

@@ -0,0 +1,30 @@
+# Copyright 2019 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.
+
+# 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/java8"
+}
+
+# Tell trampoline which tests to run.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/java-bigquery/.kokoro/run_samples_tests.sh"
+}
+
+
+

.kokoro/presubmit/java11-samples.cfg

@@ -0,0 +1,27 @@
+# Copyright 2019 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.
+
+# 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/java11"
+}
+
+# Tell the trampoline which tests to run.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/java-docs-samples/.kokoro/run_samples_tests.sh"
+}

.kokoro/presubmit/java8-samples.cfg

@@ -0,0 +1,30 @@
+# Copyright 2019 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.
+
+# 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/java8"
+}
+
+# Tell trampoline which tests to run.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/java-bigquery/.kokoro/run_samples_tests.sh"
+}
+
+
+

.kokoro/run_samples_tests.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+# Copyright 2019 Google Inc.
+#
+# 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.
+
+# `-e` enables the script to automatically fail when a command fails
+# `-o pipefail` sets the exit code to the rightmost comment to exit with a non-zero
+set -eo pipefail
+# Enables `**` to include files nested inside sub-folders
+shopt -s globstar
+
+# Update `gcloud` and log versioning for debugging.
+gcloud components install beta --quiet
+gcloud components update --quiet
+echo "********** GCLOUD INFO ***********"
+gcloud -v
+echo "********** MAVEN INFO  ***********"
+mvn -v
+
+# Setup required env variables
+export GOOGLE_CLOUD_PROJECT=java-docs-samples-testing
+export GOOGLE_APPLICATION_CREDENTIALS=${KOKORO_GFILE_DIR}/service-acct.json
+export GCS_BUCKET=java-docs-samples-testing
+
+# Activate service account
+gcloud auth activate-service-account \
+    --key-file="$GOOGLE_APPLICATION_CREDENTIALS" \
+    --project="$GOOGLE_CLOUD_PROJECT"
+
+# Get the directory of the build script
+scriptDir=$(realpath $(dirname "${BASH_SOURCE[0]}"))
+# Move into the samples directory
+cd ${scriptDir}/../samples/
+
+echo -e "\n******************** RUNNING SAMPLE TESTS ********************"
+RTN=0
+
+mvn --fail-at-end clean verify
+
+EXIT=$?
+if [[ $EXIT -ne 0 ]]; then
+  RTN=1
+  echo -e "\n Testing failed: Maven returned a non-zero exit code. \n"
+else
+  echo -e "\n Testing completed.\n"
+fi
+
+exit "$RTN"