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57 changes: 57 additions & 0 deletions
57
...ctions/runtime/src/main/java/io/quarkus/funqy/gcp/functions/FunqyCloudEventsFunction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package io.quarkus.funqy.gcp.functions; | ||
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| import java.io.PrintWriter; | ||
| import java.io.StringWriter; | ||
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| import com.google.cloud.functions.CloudEventsFunction; | ||
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| import io.cloudevents.CloudEvent; | ||
| import io.quarkus.runtime.Application; | ||
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| public class FunqyCloudEventsFunction implements CloudEventsFunction { | ||
| protected static final String deploymentStatus; | ||
| protected static boolean started = false; | ||
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| static { | ||
| StringWriter error = new StringWriter(); | ||
| PrintWriter errorWriter = new PrintWriter(error, true); | ||
| if (Application.currentApplication() == null) { // were we already bootstrapped? Needed for mock unit testing. | ||
| // For GCP functions, we need to set the TCCL to the QuarkusHttpFunction classloader then restore it. | ||
| // Without this, we have a lot of classloading issues (ClassNotFoundException on existing classes) | ||
| // during static init. | ||
| ClassLoader currentCl = Thread.currentThread().getContextClassLoader(); | ||
| try { | ||
| Thread.currentThread().setContextClassLoader(FunqyCloudEventsFunction.class.getClassLoader()); | ||
| Class<?> appClass = Class.forName("io.quarkus.runner.ApplicationImpl"); | ||
| String[] args = {}; | ||
| Application app = (Application) appClass.getConstructor().newInstance(); | ||
| Runtime.getRuntime().addShutdownHook(new Thread() { | ||
| @Override | ||
| public void run() { | ||
| app.stop(); | ||
| } | ||
| }); | ||
| app.start(args); | ||
| errorWriter.println("Quarkus bootstrapped successfully."); | ||
| started = true; | ||
| } catch (Exception ex) { | ||
| errorWriter.println("Quarkus bootstrap failed."); | ||
| ex.printStackTrace(errorWriter); | ||
| } finally { | ||
| Thread.currentThread().setContextClassLoader(currentCl); | ||
| } | ||
| } else { | ||
| errorWriter.println("Quarkus bootstrapped successfully."); | ||
| started = true; | ||
| } | ||
| deploymentStatus = error.toString(); | ||
| } | ||
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| @Override | ||
| public void accept(CloudEvent cloudEvent) throws Exception { | ||
| if (!started) { | ||
| throw new RuntimeException(deploymentStatus); | ||
| } | ||
| FunqyCloudFunctionsBindingRecorder.handle(cloudEvent); | ||
| } | ||
| } |
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74 changes: 74 additions & 0 deletions
74
...-functions/runtime/src/main/java/io/quarkus/gcp/functions/QuarkusCloudEventsFunction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package io.quarkus.gcp.functions; | ||
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| import java.io.IOException; | ||
| import java.io.PrintWriter; | ||
| import java.io.StringWriter; | ||
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| import com.google.cloud.functions.CloudEventsFunction; | ||
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| import io.cloudevents.CloudEvent; | ||
| import io.quarkus.arc.Arc; | ||
| import io.quarkus.runtime.Application; | ||
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| public final class QuarkusCloudEventsFunction implements CloudEventsFunction { | ||
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| protected static final String deploymentStatus; | ||
| protected static boolean started = false; | ||
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| private static volatile CloudEventsFunction delegate; | ||
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| static { | ||
| StringWriter error = new StringWriter(); | ||
| PrintWriter errorWriter = new PrintWriter(error, true); | ||
| if (Application.currentApplication() == null) { // were we already bootstrapped? Needed for mock unit testing. | ||
| ClassLoader currentCl = Thread.currentThread().getContextClassLoader(); | ||
| try { | ||
| // For GCP functions, we need to set the TCCL to the QuarkusHttpFunction classloader then restore it. | ||
| // Without this, we have a lot of classloading issues (ClassNotFoundException on existing classes) | ||
| // during static init. | ||
| Thread.currentThread().setContextClassLoader(QuarkusCloudEventsFunction.class.getClassLoader()); | ||
| Class<?> appClass = Class.forName("io.quarkus.runner.ApplicationImpl"); | ||
| String[] args = {}; | ||
| Application app = (Application) appClass.getConstructor().newInstance(); | ||
| app.start(args); | ||
| errorWriter.println("Quarkus bootstrapped successfully."); | ||
| started = true; | ||
| } catch (Exception ex) { | ||
| errorWriter.println("Quarkus bootstrap failed."); | ||
| ex.printStackTrace(errorWriter); | ||
| } finally { | ||
| Thread.currentThread().setContextClassLoader(currentCl); | ||
| } | ||
| } else { | ||
| errorWriter.println("Quarkus bootstrapped successfully."); | ||
| started = true; | ||
| } | ||
| deploymentStatus = error.toString(); | ||
| } | ||
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| static void setDelegate(String selectedDelegate) { | ||
| if (selectedDelegate != null) { | ||
| try { | ||
| Class<?> clazz = Class.forName(selectedDelegate, false, Thread.currentThread().getContextClassLoader()); | ||
| delegate = (CloudEventsFunction) Arc.container().instance(clazz).get(); | ||
| } catch (ClassNotFoundException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public void accept(CloudEvent cloudEvent) throws Exception { | ||
| if (!started) { | ||
| throw new IOException(deploymentStatus); | ||
| } | ||
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| // TODO maybe we can check this at static init | ||
| if (delegate == null) { | ||
| throw new IOException("We didn't found any CloudEventsFunction to run " + | ||
| "(or there is multiple one and none selected inside your application.properties)"); | ||
| } | ||
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| delegate.accept(cloudEvent); | ||
| } | ||
| } |
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3 changes: 2 additions & 1 deletion
3
integration-tests/funqy-google-cloud-functions/src/main/resources/application.properties
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| quarkus.funqy.export=helloGCSWorld | ||
| #quarkus.funqy.export=helloGCSWorld | ||
| #quarkus.funqy.export=helloPubSubWorld | ||
| quarkus.funqy.export=helloCloudEvent |
26 changes: 26 additions & 0 deletions
26
...gle-cloud-functions/src/main/java/io/quarkus/gcp/function/test/CloudEventStorageTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package io.quarkus.gcp.function.test; | ||
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| import javax.enterprise.context.ApplicationScoped; | ||
| import javax.inject.Inject; | ||
| import javax.inject.Named; | ||
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| import com.google.cloud.functions.CloudEventsFunction; | ||
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| import io.cloudevents.CloudEvent; | ||
| import io.quarkus.gcp.function.test.service.GreetingService; | ||
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| @Named("cloudEventTest") | ||
| @ApplicationScoped | ||
| public class CloudEventStorageTest implements CloudEventsFunction { | ||
| @Inject | ||
| GreetingService greetingService; | ||
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| @Override | ||
| public void accept(CloudEvent cloudEvent) throws Exception { | ||
| System.out.println("Receive event Id: " + cloudEvent.getId()); | ||
| System.out.println("Receive event Subject: " + cloudEvent.getSubject()); | ||
| System.out.println("Receive event Type: " + cloudEvent.getType()); | ||
| System.out.println("Receive event Data: " + new String(cloudEvent.getData().toBytes())); | ||
| System.out.println("Be polite, say " + greetingService.hello()); | ||
| } | ||
| } |
3 changes: 2 additions & 1 deletion
3
integration-tests/google-cloud-functions/src/main/resources/application.properties
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| quarkus.google-cloud-functions.function=httpTest | ||
| #quarkus.google-cloud-functions.function=httpTest | ||
| quarkus.google-cloud-functions.function=cloudEventTest | ||
| #quarkus.google-cloud-functions.function=rawPubSubTest | ||
| #quarkus.google-cloud-functions.function=storageTest |