xyz.block.ftl.deployment.DatasourceProcessor Maven / Gradle / Ivy

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package xyz.block.ftl.deployment;

import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;

import io.quarkus.agroal.spi.JdbcDataSourceBuildItem;
import io.quarkus.deployment.annotations.BuildProducer;
import io.quarkus.deployment.annotations.BuildStep;
import io.quarkus.deployment.builditem.GeneratedResourceBuildItem;
import io.quarkus.deployment.builditem.SystemPropertyBuildItem;
import xyz.block.ftl.runtime.FTLDatasourceCredentials;
import xyz.block.ftl.runtime.config.FTLConfigSource;
import xyz.block.ftl.v1.schema.Database;
import xyz.block.ftl.v1.schema.Decl;

public class DatasourceProcessor {

    @BuildStep
    public SchemaContributorBuildItem registerDatasources(
            List datasources,
            BuildProducer systemPropProducer,
            BuildProducer generatedResourceBuildItemBuildProducer) {

        List decls = new ArrayList<>();
        List namedDatasources = new ArrayList<>();
        for (var ds : datasources) {
            if (!ds.getDbKind().equals("postgresql")) {
                throw new RuntimeException("only postgresql is supported not " + ds.getDbKind());
            }
            //default name is  which is not a valid name
            String sanitisedName = ds.getName().replace("<", "").replace(">", "");
            //we use a dynamic credentials provider
            if (ds.isDefault()) {
                systemPropProducer
                        .produce(new SystemPropertyBuildItem("quarkus.datasource.credentials-provider", sanitisedName));
                systemPropProducer
                        .produce(new SystemPropertyBuildItem("quarkus.datasource.credentials-provider-name",
                                FTLDatasourceCredentials.NAME));
            } else {
                namedDatasources.add(ds.getName());
                systemPropProducer.produce(new SystemPropertyBuildItem(
                        "quarkus.datasource." + ds.getName() + ".credentials-provider", sanitisedName));
                systemPropProducer.produce(new SystemPropertyBuildItem(
                        "quarkus.datasource." + ds.getName() + ".credentials-provider-name", FTLDatasourceCredentials.NAME));
            }
            decls.add(
                    Decl.newBuilder().setDatabase(
                            Database.newBuilder().setType("postgres").setName(sanitisedName))
                            .build());
        }
        generatedResourceBuildItemBuildProducer.produce(new GeneratedResourceBuildItem(FTLConfigSource.DATASOURCE_NAMES,
                String.join("\n", namedDatasources).getBytes(StandardCharsets.UTF_8)));
        return new SchemaContributorBuildItem(decls);

    }
}