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Apicurio Registry integration with Avro+Protobuf ser/des support
Signed-off-by: Michael Edgar <[email protected]>
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93 changes: 93 additions & 0 deletions
93
api/src/main/java/com/github/streamshub/console/api/SchemasResource.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,93 @@ | ||
| package com.github.streamshub.console.api; | ||
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| import java.util.Base64; | ||
| import java.util.Collections; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
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| import jakarta.inject.Inject; | ||
| import jakarta.ws.rs.GET; | ||
| import jakarta.ws.rs.NotFoundException; | ||
| import jakarta.ws.rs.Path; | ||
| import jakarta.ws.rs.PathParam; | ||
| import jakarta.ws.rs.Produces; | ||
| import jakarta.ws.rs.core.MediaType; | ||
| import jakarta.ws.rs.core.Response; | ||
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| import org.eclipse.microprofile.openapi.annotations.media.Content; | ||
| import org.eclipse.microprofile.openapi.annotations.parameters.Parameter; | ||
| import org.eclipse.microprofile.openapi.annotations.responses.APIResponse; | ||
| import org.eclipse.microprofile.openapi.annotations.tags.Tag; | ||
| import org.jboss.logging.Logger; | ||
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| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.github.streamshub.console.api.support.KafkaContext; | ||
| import com.github.streamshub.console.api.support.serdes.ArtifactReferences; | ||
| import com.github.streamshub.console.api.support.serdes.MultiformatSchemaParser; | ||
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| import io.apicurio.registry.resolver.DefaultSchemaResolver; | ||
| import io.apicurio.registry.resolver.SchemaResolver; | ||
| import io.apicurio.registry.rest.client.RegistryClient; | ||
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| @Path("/api/schemas/{schemaId}") | ||
| @Tag(name = "Schema Registry Resources") | ||
| public class SchemasResource { | ||
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| @Inject | ||
| Logger logger; | ||
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| @Inject | ||
| ObjectMapper objectMapper; | ||
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| @Inject | ||
| Map<String, KafkaContext> kafkaContexts; | ||
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| @GET | ||
| @Produces(MediaType.APPLICATION_JSON) | ||
| @APIResponse(responseCode = "200", ref = "Configurations", content = @Content()) | ||
| @APIResponse(responseCode = "404", ref = "NotFound") | ||
| @APIResponse(responseCode = "500", ref = "ServerError") | ||
| @APIResponse(responseCode = "504", ref = "ServerTimeout") | ||
| public Response describeConfigs( | ||
| @Parameter(description = "Schema identifier") | ||
| @PathParam("schemaId") | ||
| String schemaId) { | ||
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| int clusterTerm = schemaId.indexOf('.'); | ||
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| if (clusterTerm < 0) { | ||
| throw new NotFoundException("No such schema"); | ||
| } | ||
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| String clusterId = new String(Base64.getUrlDecoder().decode(schemaId.substring(0, clusterTerm))); | ||
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| if (!kafkaContexts.containsKey(clusterId)) { | ||
| throw new NotFoundException("No such schema"); | ||
| } | ||
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| RegistryClient registryClient = kafkaContexts.get(clusterId).schemaRegistryContext().registryClient(); | ||
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| if (registryClient == null) { | ||
| throw new NotFoundException("Schema not found, no registry is configured"); | ||
| } | ||
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| @SuppressWarnings("resource") | ||
| SchemaResolver<Object, ?> schemaResolver = new DefaultSchemaResolver<>(); | ||
| schemaResolver.setClient(registryClient); | ||
| schemaResolver.configure(Collections.emptyMap(), new MultiformatSchemaParser<>(Collections.emptySet())); | ||
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| schemaId = schemaId.substring(clusterTerm + 1); | ||
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| var reference = ArtifactReferences.fromSchemaId(schemaId, objectMapper); | ||
| var schema = schemaResolver.resolveSchemaByArtifactReference(reference); | ||
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| var response = Optional.ofNullable(schema) | ||
| .map(s -> s.getParsedSchema()) | ||
| .map(s -> s.getRawSchema()) | ||
| .map(Response::ok) | ||
| .orElseThrow(() -> new NotFoundException("No such schema")); | ||
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| return response.build(); | ||
| } | ||
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| } |
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