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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.config.server.http;
import ai.vespa.util.http.hc5.VespaHttpClientBuilder;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.yolean.Exceptions;
import org.apache.hc.client5.http.classic.methods.HttpGet;
import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.time.Instant;
import java.util.Optional;
/**
* @author olaaun
*/
public class LogRetriever {
private final CloseableHttpClient httpClient = VespaHttpClientBuilder.create().build();
public HttpResponse getLogs(String logServerUri, Optional<Instant> deployTime) {
HttpGet get = new HttpGet(logServerUri);
try {
return new ProxyResponse(httpClient.execute(get));
} catch (IOException e) {
// It takes some time before nodes are up after first-time deployment, return empty log for up to 2 minutes
// if getting logs fail
if (deployTime.isPresent() && Instant.now().isBefore(deployTime.get().plus(Duration.ofMinutes(2))))
return new HttpResponse(200) {
@Override
public void render(OutputStream outputStream) throws IOException {
outputStream.write("".getBytes(StandardCharsets.UTF_8));
}
};
return HttpErrorResponse.internalServerError("Failed to get logs: " + Exceptions.toMessageString(e));
}
}
}
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