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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.testrunner;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.yahoo.component.annotation.Inject;
import com.yahoo.component.provider.ComponentRegistry;
import com.yahoo.container.jdisc.EmptyResponse;
import com.yahoo.container.jdisc.HttpRequest;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.container.jdisc.ThreadedHttpRequestHandler;
import com.yahoo.exception.ExceptionUtils;
import com.yahoo.restapi.MessageResponse;
import com.yahoo.vespa.testrunner.TestReport.FailureNode;
import com.yahoo.vespa.testrunner.TestReport.NamedNode;
import com.yahoo.vespa.testrunner.TestReport.Node;
import com.yahoo.vespa.testrunner.TestReport.OutputNode;
import com.yahoo.vespa.testrunner.TestReport.TestNode;
import com.yahoo.yolean.Exceptions;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.Collection;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import static com.yahoo.jdisc.Response.Status;
import static java.nio.charset.StandardCharsets.UTF_8;
/**
* @author valerijf
* @author jonmv
* @author mortent
*/
public class TestRunnerHandler extends ThreadedHttpRequestHandler {
private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("HH:mm:ss.SSS");
private static final JsonFactory factory = new JsonFactory();
private final TestRunner testRunner;
@Inject
public TestRunnerHandler(Executor executor, ComponentRegistry<TestRunner> testRunners) {
this(executor, AggregateTestRunner.of(testRunners.allComponents()));
}
TestRunnerHandler(Executor executor, TestRunner testRunner) {
super(executor);
this.testRunner = testRunner;
}
@Override
public HttpResponse handle(HttpRequest request) {
try {
switch (request.getMethod()) {
case GET: return handleGET(request);
case POST: return handlePOST(request);
default: return new MessageResponse(Status.METHOD_NOT_ALLOWED, "Method '" + request.getMethod() + "' is not supported");
}
} catch (IllegalArgumentException e) {
return new MessageResponse(Status.BAD_REQUEST, Exceptions.toMessageString(e));
} catch (Exception e) {
log.log(Level.WARNING, "Unexpected error handling '" + request.getUri() + "'", e);
return new MessageResponse(Status.INTERNAL_SERVER_ERROR, Exceptions.toMessageString(e));
}
}
private HttpResponse handleGET(HttpRequest request) {
String path = request.getUri().getPath();
switch (path) {
case "/tester/v1/log":
long fetchRecordsAfter = Optional.ofNullable(request.getProperty("after"))
.map(Long::parseLong)
.orElse(-1L);
return new CustomJsonResponse(out -> render(out, testRunner.getLog(fetchRecordsAfter)));
case "/tester/v1/status":
return new MessageResponse(testRunner.getStatus().name());
case "/tester/v1/report":
TestReport report = testRunner.getReport();
if (report == null) return new EmptyResponse(204);
else return new CustomJsonResponse(out -> render(out, report));
}
return new MessageResponse(Status.NOT_FOUND, "Not found: " + request.getUri().getPath());
}
private HttpResponse handlePOST(HttpRequest request) throws IOException {
final String path = request.getUri().getPath();
if (path.startsWith("/tester/v1/run/")) {
String type = lastElement(path);
TestRunner.Suite testSuite = TestRunner.Suite.valueOf(type.toUpperCase() + "_TEST");
byte[] config = request.getData().readAllBytes();
testRunner.test(testSuite, config);
log.info("Started tests of type " + type + " and status is " + testRunner.getStatus());
return new MessageResponse("Successfully started " + type + " tests");
}
return new MessageResponse(Status.NOT_FOUND, "Not found: " + request.getUri().getPath());
}
private static String lastElement(String path) {
if (path.endsWith("/"))
path = path.substring(0, path.length() - 1);
int lastSlash = path.lastIndexOf("/");
if (lastSlash < 0) return path;
return path.substring(lastSlash + 1);
}
private static void render(OutputStream out, Collection<LogRecord> log) throws IOException {
var json = factory.createGenerator(out);
json.writeStartObject();
json.writeArrayFieldStart("logRecords");
for (LogRecord record : log) {
String message = record.getMessage() == null ? "" : record.getMessage();
if (record.getThrown() != null) {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
record.getThrown().printStackTrace(new PrintStream(buffer));
message += (message.isEmpty() ? "" : "\n") + buffer;
}
json.writeStartObject();
json.writeNumberField("id", record.getSequenceNumber());
json.writeNumberField("at", record.getMillis());
json.writeStringField("type", typeOf(record.getLevel()));
json.writeStringField("message", message);
json.writeEndObject();
}
json.writeEndArray();
json.writeEndObject();
json.close();
}
private static String typeOf(Level level) {
return level.getName().equals("html") ? "html"
: level.intValue() < Level.INFO.intValue() ? "debug"
: level.intValue() < Level.WARNING.intValue() ? "info"
: level.intValue() < Level.SEVERE.intValue() ? "warning"
: "error";
}
private static void render(OutputStream out, TestReport report) throws IOException {
JsonGenerator json = factory.createGenerator(out);
json.writeStartObject();
json.writeFieldName("report");
render(json, (Node) report.root());
json.writeEndObject();
json.close();
}
private static void render(JsonGenerator json, Node node) throws IOException {
json.writeStartObject();
if (node instanceof NamedNode) render(json, (NamedNode) node);
if (node instanceof OutputNode) render(json, (OutputNode) node);
if ( ! node.children().isEmpty()) {
json.writeArrayFieldStart("children");
for (Node child : node.children) {
render(json, child);
}
json.writeEndArray();
}
json.writeEndObject();
}
private static void render(JsonGenerator json, NamedNode node) throws IOException {
String type = node instanceof FailureNode ? "failure" : node instanceof TestNode ? "test" : "container";
json.writeStringField("type", type);
json.writeStringField("name", node.name());
json.writeStringField("status", node.status().name());
json.writeNumberField("start", node.start().toEpochMilli());
json.writeNumberField("duration", node.duration().toMillis());
}
private static void render(JsonGenerator json, OutputNode node) throws IOException {
json.writeStringField("type", "output");
json.writeArrayFieldStart("children");
for (LogRecord record : node.log()) {
json.writeStartObject();
json.writeStringField("message", (record.getLoggerName() == null ? "" : record.getLoggerName() + ": ") +
(record.getMessage() != null ? record.getMessage() : "") +
(record.getThrown() != null ? (record.getMessage() != null ? "\n" : "") + traceToString(record.getThrown()) : ""));
json.writeNumberField("at", record.getInstant().toEpochMilli());
json.writeStringField("level", typeOf(record.getLevel()));
json.writeEndObject();
}
json.writeEndArray();
}
private static String traceToString(Throwable thrown) {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
thrown.printStackTrace(new PrintStream(buffer));
return buffer.toString(UTF_8);
}
private interface Renderer {
void render(OutputStream out) throws IOException;
}
private static class CustomJsonResponse extends HttpResponse {
private final Renderer renderer;
private CustomJsonResponse(Renderer renderer) {
super(200);
this.renderer = renderer;
}
@Override
public void render(OutputStream outputStream) throws IOException {
renderer.render(outputStream);
}
@Override
public String getContentType() {
return "application/json";
}
@Override
public long maxPendingBytes() {
return 1 << 25; // 32MB
}
}
}
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