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Merge pull request quarkusio#15541 from cescoffier/vertx-cache-wolrd-…
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…writable

Restructure vertx-cache to allow multiple applications with launched by multiple users
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@cescoffier
cescoffier authored Mar 10, 2021
2 parents 78c2ada + f4a6aaf commit eb98535
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Showing 3 changed files with 81 additions and 23 deletions.
96 changes: 77 additions & 19 deletions ...ons/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/VertxCoreRecorder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
Expand Down Expand Up @@ -51,6 +52,7 @@
public class VertxCoreRecorder {

private static final Logger LOGGER = Logger.getLogger(VertxCoreRecorder.class.getName());
public static final String VERTX_CACHE = "vertx-cache";

static volatile VertxSupplier vertx;

Expand All @@ -65,7 +67,7 @@ public class VertxCoreRecorder {
public Supplier<Vertx> configureVertx(VertxConfiguration config,
LaunchMode launchMode, ShutdownContext shutdown, List<Consumer<VertxOptions>> customizers) {
if (launchMode != LaunchMode.DEVELOPMENT) {
vertx = new VertxSupplier(config, customizers);
vertx = new VertxSupplier(config, customizers, shutdown);
// we need this to be part of the last shutdown tasks because closing it early (basically before Arc)
// could cause problem to beans that rely on Vert.x and contain shutdown tasks
shutdown.addLastShutdownTask(new Runnable() {
Expand All @@ -76,7 +78,7 @@ public void run() {
});
} else {
if (vertx == null) {
vertx = new VertxSupplier(config, customizers);
vertx = new VertxSupplier(config, customizers, shutdown);
} else if (vertx.v != null) {
tryCleanTccl(vertx.v);
}
Expand Down Expand Up @@ -172,12 +174,12 @@ public static Supplier<Vertx> getVertx() {
return vertx;
}

public static Vertx initialize(VertxConfiguration conf, VertxOptionsCustomizer customizer) {
public static Vertx initialize(VertxConfiguration conf, VertxOptionsCustomizer customizer, ShutdownContext shutdown) {

VertxOptions options = new VertxOptions();

if (conf != null) {
convertToVertxOptions(conf, options, true);
convertToVertxOptions(conf, options, true, shutdown);
}

// Allow extension customizers to do their thing
Expand All @@ -188,11 +190,14 @@ public static Vertx initialize(VertxConfiguration conf, VertxOptionsCustomizer c
Vertx vertx;
if (options.getEventBusOptions().isClustered()) {
CompletableFuture<Vertx> latch = new CompletableFuture<>();
Vertx.clusteredVertx(options, ar -> {
if (ar.failed()) {
latch.completeExceptionally(ar.cause());
} else {
latch.complete(ar.result());
Vertx.clusteredVertx(options, new Handler<AsyncResult<Vertx>>() {
@Override
public void handle(AsyncResult<Vertx> ar) {
if (ar.failed()) {
latch.completeExceptionally(ar.cause());
} else {
latch.complete(ar.result());
}
}
});
vertx = latch.join();
Expand All @@ -213,7 +218,8 @@ private static Vertx logVertxInitialization(Vertx vertx) {
return vertx;
}

private static VertxOptions convertToVertxOptions(VertxConfiguration conf, VertxOptions options, boolean allowClustering) {
private static VertxOptions convertToVertxOptions(VertxConfiguration conf, VertxOptions options, boolean allowClustering,
ShutdownContext shutdown) {

if (!conf.useAsyncDNS) {
System.setProperty(ResolverProvider.DISABLE_DNS_RESOLVER_PROP_NAME, "true");
Expand All @@ -227,8 +233,34 @@ private static VertxOptions convertToVertxOptions(VertxConfiguration conf, Vertx
initializeClusterOptions(conf, options);
}

String fileCacheDir = System.getProperty(CACHE_DIR_BASE_PROP_NAME,
System.getProperty("java.io.tmpdir", ".") + File.separator + "vertx-cache");
String fileCacheDir = System.getProperty(CACHE_DIR_BASE_PROP_NAME);
if (fileCacheDir == null) {
File tmp = new File(System.getProperty("java.io.tmpdir", ".") + File.separator + VERTX_CACHE);
if (!tmp.isDirectory()) {
if (!tmp.mkdirs()) {
LOGGER.warnf("Unable to create Vert.x cache directory : %s", tmp.getAbsolutePath());
}
if (!(tmp.setReadable(true, false) && tmp.setWritable(true, false))) {
LOGGER.warnf("Unable to make the Vert.x cache directory (%s) world readable and writable",
tmp.getAbsolutePath());
}
}

File cache = getRandomDirectory(tmp);
LOGGER.debugf("Vert.x Cache configured to: %s", cache.getAbsolutePath());
fileCacheDir = cache.getAbsolutePath();
if (shutdown != null) {
shutdown.addLastShutdownTask(new Runnable() {
@Override
public void run() {
// Recursively delete the created directory and all the files
deleteDirectory(cache);
// We do not delete the vertx-cache directory on purpose, as it could be used concurrently by
// another application. In the worse case, it's just an empty directory.
}
});
}
}

options.setFileSystemOptions(new FileSystemOptions()
.setFileCachingEnabled(conf.caching)
Expand Down Expand Up @@ -258,6 +290,16 @@ private static VertxOptions convertToVertxOptions(VertxConfiguration conf, Vertx
return options;
}

private static File getRandomDirectory(File tmp) {
long random = Math.abs(UUID.randomUUID().getMostSignificantBits());
File cache = new File(tmp, Long.toString(random));
if (cache.isDirectory()) {
// Do not reuse an existing directory.
return getRandomDirectory(tmp);
}
return cache;
}

private static int calculateDefaultIOThreads() {
//we only allow one event loop per 10mb of ram at the most
//its hard to say what this number should be, but it is also obvious
Expand All @@ -277,11 +319,14 @@ void destroy() {
FastThreadLocal.destroy();
CountDownLatch latch = new CountDownLatch(1);
AtomicReference<Throwable> problem = new AtomicReference<>();
vertx.v.close(ar -> {
if (ar.failed()) {
problem.set(ar.cause());
vertx.v.close(new Handler<AsyncResult<Void>>() {
@Override
public void handle(AsyncResult<Void> ar) {
if (ar.failed()) {
problem.set(ar.cause());
}
latch.countDown();
}
latch.countDown();
});
try {
latch.await();
Expand Down Expand Up @@ -393,24 +438,27 @@ public Integer get() {
}

public static Supplier<Vertx> recoverFailedStart(VertxConfiguration config) {
return vertx = new VertxSupplier(config, Collections.emptyList());
return vertx = new VertxSupplier(config, Collections.emptyList(), null);

}

static class VertxSupplier implements Supplier<Vertx> {
final VertxConfiguration config;
final VertxOptionsCustomizer customizer;
final ShutdownContext shutdown;
Vertx v;

VertxSupplier(VertxConfiguration config, List<Consumer<VertxOptions>> customizers) {
VertxSupplier(VertxConfiguration config, List<Consumer<VertxOptions>> customizers,
ShutdownContext shutdown) {
this.config = config;
this.customizer = new VertxOptionsCustomizer(customizers);
this.shutdown = shutdown;
}

@Override
public synchronized Vertx get() {
if (v == null) {
v = initialize(config, customizer);
v = initialize(config, customizer, shutdown);
}
return v;
}
Expand All @@ -434,4 +482,14 @@ VertxOptions customize(VertxOptions options) {
public static void setWebDeploymentId(String webDeploymentId) {
VertxCoreRecorder.webDeploymentId = webDeploymentId;
}

private static void deleteDirectory(File directory) {
File[] children = directory.listFiles();
if (children != null) {
for (File child : children) {
deleteDirectory(child);
}
}
directory.delete();
}
}
6 changes: 3 additions & 3 deletions ...vertx-core/runtime/src/test/java/io/quarkus/vertx/core/runtime/VertxCoreProducerTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@ public void shouldEnableClustering() {
configuration.cluster = cc;

try {
VertxCoreRecorder.initialize(configuration, null);
VertxCoreRecorder.initialize(configuration, null, null);
Assertions.fail("It should not have a cluster manager on the classpath, and so fail the creation");
} catch (IllegalStateException e) {
Assertions.assertTrue(e.getMessage().contains("No ClusterManagerFactory"),
Expand All @@ -82,7 +82,7 @@ public void accept(VertxOptions vertxOptions) {
}
}));

VertxCoreRecorder.initialize(configuration, customizers);
VertxCoreRecorder.initialize(configuration, customizers, null);
}

@Test
Expand All @@ -95,7 +95,7 @@ public void accept(VertxOptions vertxOptions) {
called.set(true);
}
}));
Vertx v = VertxCoreRecorder.initialize(createDefaultConfiguration(), customizers);
Vertx v = VertxCoreRecorder.initialize(createDefaultConfiguration(), customizers, null);
Assertions.assertTrue(called.get(), "Customizer should get called during initialization");
}

Expand Down
2 changes: 1 addition & 1 deletion extensions/vertx/runtime/src/test/java/io/quarkus/vertx/runtime/VertxProducerTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ public void tearDown() {

@Test
public void shouldNotFailWithoutConfig() {
verifyProducer(VertxCoreRecorder.initialize(null, null));
verifyProducer(VertxCoreRecorder.initialize(null, null, null));
}

private void verifyProducer(Vertx v) {
Expand Down

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