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xyz.block.ftl.deployment.ModuleProcessor Maven / Gradle / Ivy
package xyz.block.ftl.deployment;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.PosixFilePermission;
import java.util.Arrays;
import java.util.Base64;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
import org.jboss.jandex.DotName;
import org.jboss.jandex.ParameterizedType;
import org.jboss.logging.Logger;
import org.tomlj.Toml;
import org.tomlj.TomlParseResult;
import io.quarkus.arc.deployment.AdditionalBeanBuildItem;
import io.quarkus.deployment.annotations.BuildProducer;
import io.quarkus.deployment.annotations.BuildStep;
import io.quarkus.deployment.annotations.ExecutionTime;
import io.quarkus.deployment.annotations.Record;
import io.quarkus.deployment.builditem.ApplicationArchivesBuildItem;
import io.quarkus.deployment.builditem.ApplicationInfoBuildItem;
import io.quarkus.deployment.builditem.CombinedIndexBuildItem;
import io.quarkus.deployment.builditem.FeatureBuildItem;
import io.quarkus.deployment.builditem.RunTimeConfigBuilderBuildItem;
import io.quarkus.deployment.builditem.SystemPropertyBuildItem;
import io.quarkus.deployment.pkg.builditem.OutputTargetBuildItem;
import io.quarkus.grpc.deployment.BindableServiceBuildItem;
import io.quarkus.vertx.http.deployment.RequireSocketHttpBuildItem;
import io.quarkus.vertx.http.deployment.RequireVirtualHttpBuildItem;
import xyz.block.ftl.runtime.FTLDatasourceCredentials;
import xyz.block.ftl.runtime.FTLRecorder;
import xyz.block.ftl.runtime.JsonSerializationConfig;
import xyz.block.ftl.runtime.TopicHelper;
import xyz.block.ftl.runtime.VerbClientHelper;
import xyz.block.ftl.runtime.VerbHandler;
import xyz.block.ftl.runtime.VerbRegistry;
import xyz.block.ftl.runtime.config.FTLConfigSourceFactoryBuilder;
import xyz.block.ftl.runtime.http.FTLHttpHandler;
import xyz.block.ftl.v1.schema.Ref;
public class ModuleProcessor {
private static final Logger log = Logger.getLogger(ModuleProcessor.class);
private static final String FEATURE = "ftl-java-runtime";
private static final String SCHEMA_OUT = "schema.pb";
@BuildStep
BindableServiceBuildItem verbService() {
var ret = new BindableServiceBuildItem(DotName.createSimple(VerbHandler.class));
ret.registerBlockingMethod("call");
ret.registerBlockingMethod("publishEvent");
ret.registerBlockingMethod("sendFSMEvent");
ret.registerBlockingMethod("acquireLease");
ret.registerBlockingMethod("getModuleContext");
ret.registerBlockingMethod("ping");
return ret;
}
@BuildStep
public SystemPropertyBuildItem moduleNameConfig(ApplicationInfoBuildItem applicationInfoBuildItem) {
return new SystemPropertyBuildItem("ftl.module.name", applicationInfoBuildItem.getName());
}
@BuildStep
ModuleNameBuildItem moduleName(ApplicationInfoBuildItem applicationInfoBuildItem,
ApplicationArchivesBuildItem archivesBuildItem) throws IOException {
for (var root : archivesBuildItem.getRootArchive().getRootDirectories()) {
Path source = root;
for (;;) {
var toml = source.resolve("ftl.toml");
if (Files.exists(toml)) {
TomlParseResult result = Toml.parse(toml);
if (result.hasErrors()) {
throw new RuntimeException("Failed to parse " + toml + " "
+ result.errors().stream().map(Objects::toString).collect(Collectors.joining(", ")));
}
String value = result.getString("module");
if (value != null) {
return new ModuleNameBuildItem(value);
} else {
log.errorf("module name not found in %s", toml);
}
}
if (source.getParent() == null) {
break;
} else {
source = source.getParent();
}
}
}
return new ModuleNameBuildItem(applicationInfoBuildItem.getName());
}
@BuildStep
@Record(ExecutionTime.RUNTIME_INIT)
public void generateSchema(CombinedIndexBuildItem index,
FTLRecorder recorder,
OutputTargetBuildItem outputTargetBuildItem,
ModuleNameBuildItem moduleNameBuildItem,
TopicsBuildItem topicsBuildItem,
VerbClientBuildItem verbClientBuildItem,
List typeAliasBuildItems,
List schemaContributorBuildItems) throws Exception {
String moduleName = moduleNameBuildItem.getModuleName();
Map> comments = readComments();
Map existingRefs = new HashMap<>();
for (var i : typeAliasBuildItems) {
String mn;
if (i.getModule().isEmpty()) {
mn = moduleNameBuildItem.getModuleName();
} else {
mn = i.getModule();
}
if (i.getLocalType() instanceof ParameterizedType) {
//TODO: we can't handle this yet
// existingRefs.put(new TypeKey(i.getLocalType().name().toString(), i.getLocalType().asParameterizedType().arguments().stream().map(i.)), new ModuleBuilder.ExistingRef(Ref.newBuilder().setModule(moduleName).setName(i.getName()).build(), i.isExported()));
} else {
existingRefs.put(new TypeKey(i.getLocalType().name().toString(), List.of()), new ModuleBuilder.ExistingRef(
Ref.newBuilder().setModule(mn).setName(i.getName()).build(), i.isExported()));
}
}
ModuleBuilder moduleBuilder = new ModuleBuilder(index.getComputingIndex(), moduleName, topicsBuildItem.getTopics(),
verbClientBuildItem.getVerbClients(), recorder, comments, existingRefs);
for (var i : schemaContributorBuildItems) {
i.getSchemaContributor().accept(moduleBuilder);
}
Path output = outputTargetBuildItem.getOutputDirectory().resolve(SCHEMA_OUT);
try (var out = Files.newOutputStream(output)) {
moduleBuilder.writeTo(out);
}
output = outputTargetBuildItem.getOutputDirectory().resolve("launch");
try (var out = Files.newOutputStream(output)) {
out.write(
"""
#!/bin/bash
if [ -n "$FTL_DEBUG_PORT" ]; then
FTL_JVM_OPTS="$FTL_JVM_OPTS -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:$FTL_DEBUG_PORT"
fi
exec java $FTL_JVM_OPTS -jar quarkus-app/quarkus-run.jar"""
.getBytes(StandardCharsets.UTF_8));
}
var perms = Files.getPosixFilePermissions(output);
EnumSet newPerms = EnumSet.copyOf(perms);
newPerms.add(PosixFilePermission.GROUP_EXECUTE);
newPerms.add(PosixFilePermission.OWNER_EXECUTE);
Files.setPosixFilePermissions(output, newPerms);
}
@BuildStep
RunTimeConfigBuilderBuildItem runTimeConfigBuilderBuildItem() {
return new RunTimeConfigBuilderBuildItem(FTLConfigSourceFactoryBuilder.class.getName());
}
@BuildStep
FeatureBuildItem feature() {
return new FeatureBuildItem(FEATURE);
}
@BuildStep
AdditionalBeanBuildItem beans() {
return AdditionalBeanBuildItem.builder()
.addBeanClasses(VerbHandler.class,
VerbRegistry.class, FTLHttpHandler.class,
TopicHelper.class, VerbClientHelper.class, JsonSerializationConfig.class,
FTLDatasourceCredentials.class)
.setUnremovable().build();
}
@BuildStep
void openSocket(BuildProducer virtual,
BuildProducer socket) throws IOException {
socket.produce(RequireSocketHttpBuildItem.MARKER);
virtual.produce(RequireVirtualHttpBuildItem.MARKER);
}
/**
* Bytecode doesn't retain comments, so they are stored in a separate file
* Each line is a key value pair separated by an '='. The key is the DeclRef and the value is the comment
*/
private Map> readComments() throws IOException {
Map> comments = new HashMap<>();
try (var input = Thread.currentThread().getContextClassLoader().getResourceAsStream("META-INF/ftl-verbs.txt")) {
if (input != null) {
var contents = new String(input.readAllBytes(), StandardCharsets.UTF_8).split("\n");
for (var content : contents) {
var eq = content.indexOf('=');
if (eq == -1) {
continue;
}
String key = content.substring(0, eq);
String value = new String(Base64.getDecoder().decode(content.substring(eq + 1)), StandardCharsets.UTF_8);
comments.put(key, Arrays.asList(value.split("\n")));
}
}
}
return comments;
}
}
