build: set up samples testing (#54)

* build: set up samples testings

* edit comments

* cd samples

* change env vars load

* source env vars from secret manager

* source env vars from secret manager

* cleanup

* additional env vars

* detele empty file

.kokoro/build.sh

@@ -78,6 +78,14 @@ samples)
 
     if [[ -f ${SAMPLES_DIR}/pom.xml ]]
     then
+      # get versions for constructing the full names of the packaged JARs
+      CONNECTOR_VERSION=$(grep pubsublite-spark-sql-streaming ${scriptDir}/../versions.txt | cut -d: -f3)
+      SAMPLE_VERSION=$(grep com.google.cloud.samples.shared-configuration: ${scriptDir}/../versions.txt | cut -d: -f3)
+      if [ -f "${KOKORO_GFILE_DIR}/secret_manager/java-pubsublite-spark-samples-secrets" ]
+        then
+            source "${KOKORO_GFILE_DIR}/secret_manager/java-pubsublite-spark-samples-secrets"
+      fi
+
         pushd ${SAMPLES_DIR}
         mvn -B \
           -Penable-samples \

versions.txt

@@ -1,4 +1,5 @@
 # Format:
 # module:released-version:current-version
 
-pubsublite-spark-sql-streaming:0.0.0:0.1.0-SNAPSHOT
+pubsublite-spark-sql-streaming:0.0.0:0.0.1-SNAPSHOT
+com.google.cloud.samples.shared-configuration:1.0.21:1.0.21