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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.hosted.testrunner;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.inject.Inject;
import com.yahoo.container.jdisc.HttpRequest;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.container.jdisc.LoggingRequestHandler;
import com.yahoo.io.IOUtils;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.JsonFormat;
import com.yahoo.slime.Slime;
import com.yahoo.vespa.testrunner.legacy.TestProfile;
import com.yahoo.yolean.Exceptions;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.Collection;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import static com.yahoo.jdisc.Response.Status;
/**
* @author valerijf
* @author jvenstad
*/
public class TestRunnerHandler extends LoggingRequestHandler {
private static final String CONTENT_TYPE_APPLICATION_JSON = "application/json";
private final TestRunner testRunner;
@Inject
public 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 Response(Status.METHOD_NOT_ALLOWED, "Method '" + request.getMethod() + "' is not supported");
}
} catch (IllegalArgumentException e) {
return new Response(Status.BAD_REQUEST, Exceptions.toMessageString(e));
} catch (Exception e) {
log.log(Level.WARNING, "Unexpected error handling '" + request.getUri() + "'", e);
return new Response(Status.INTERNAL_SERVER_ERROR, Exceptions.toMessageString(e));
}
}
private HttpResponse handleGET(HttpRequest request) {
String path = request.getUri().getPath();
if (path.equals("/tester/v1/log")) {
return new SlimeJsonResponse(logToSlime(testRunner.getLog(request.hasProperty("after")
? Long.parseLong(request.getProperty("after"))
: -1)));
} else if (path.equals("/tester/v1/status")) {
log.info("Responding with status " + testRunner.getStatus());
return new Response(testRunner.getStatus().name());
}
return new Response(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);
TestProfile testProfile = TestProfile.valueOf(type.toUpperCase() + "_TEST");
byte[] config = IOUtils.readBytes(request.getData(), 1 << 16);
testRunner.test(testProfile, config);
log.info("Started tests of type " + type + " and status is " + testRunner.getStatus());
return new Response("Successfully started " + type + " tests");
}
return new Response(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);
}
static Slime logToSlime(Collection<LogRecord> log) {
Slime slime = new Slime();
Cursor root = slime.setObject();
Cursor recordArray = root.setArray("logRecords");
logArrayToSlime(recordArray, log);
return slime;
}
static void logArrayToSlime(Cursor recordArray, Collection<LogRecord> log) {
log.forEach(record -> {
Cursor recordObject = recordArray.addObject();
recordObject.setLong("id", record.getSequenceNumber());
recordObject.setLong("at", record.getMillis());
recordObject.setString("type", typeOf(record.getLevel()));
String message = record.getMessage();
if (record.getThrown() != null) {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
record.getThrown().printStackTrace(new PrintStream(buffer));
message += "\n" + buffer;
}
recordObject.setString("message", message);
});
}
public 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 class SlimeJsonResponse extends HttpResponse {
private final Slime slime;
private SlimeJsonResponse(Slime slime) {
super(200);
this.slime = slime;
}
@Override
public void render(OutputStream outputStream) throws IOException {
new JsonFormat(true).encode(outputStream, slime);
}
@Override
public String getContentType() {
return CONTENT_TYPE_APPLICATION_JSON;
}
}
private static class Response extends HttpResponse {
private static final ObjectMapper objectMapper = new ObjectMapper();
private final String message;
private Response(String response) {
this(200, response);
}
private Response(int statusCode, String message) {
super(statusCode);
this.message = message;
}
@Override
public void render(OutputStream outputStream) throws IOException {
ObjectNode objectNode = objectMapper.createObjectNode();
objectNode.put("message", message);
objectMapper.writeValue(outputStream, objectNode);
}
@Override
public String getContentType() {
return CONTENT_TYPE_APPLICATION_JSON;
}
}
}
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