Examples with BuckCacheFetchResponse com.facebook.buck.artifact_cache.thrift.BuckCacheFetchResponse used on opensource projects

Example 1 with BuckCacheFetchResponse

use of com.facebook.buck.artifact_cache.thrift.BuckCacheFetchResponse in project buck by facebook.

the class ThriftArtifactCache method fetchImpl.

@Override
public CacheResult fetchImpl(RuleKey ruleKey, LazyPath output, HttpArtifactCacheEvent.Finished.Builder eventBuilder) throws IOException {
    BuckCacheFetchRequest fetchRequest = new BuckCacheFetchRequest();
    com.facebook.buck.artifact_cache.thrift.RuleKey thriftRuleKey = new com.facebook.buck.artifact_cache.thrift.RuleKey();
    thriftRuleKey.setHashString(ruleKey.getHashCode().toString());
    fetchRequest.setRuleKey(thriftRuleKey);
    fetchRequest.setRepository(repository);
    fetchRequest.setScheduleType(scheduleType);
    fetchRequest.setDistributedBuildModeEnabled(distributedBuildModeEnabled);
    BuckCacheRequest cacheRequest = new BuckCacheRequest();
    cacheRequest.setType(BuckCacheRequestType.FETCH);
    cacheRequest.setFetchRequest(fetchRequest);
    LOG.verbose("Will fetch key %s", thriftRuleKey);
    final ThriftArtifactCacheProtocol.Request request = ThriftArtifactCacheProtocol.createRequest(PROTOCOL, cacheRequest);
    Request.Builder builder = toOkHttpRequest(request);
    try (HttpResponse httpResponse = fetchClient.makeRequest(hybridThriftEndpoint, builder)) {
        if (httpResponse.statusCode() != 200) {
            String message = String.format("Failed to fetch cache artifact with HTTP status code [%d:%s] " + " to url [%s] for rule key [%s].", httpResponse.statusCode(), httpResponse.statusMessage(), httpResponse.requestUrl(), ruleKey.toString());
            LOG.error(message);
            return CacheResult.error(name, message);
        }
        try (ThriftArtifactCacheProtocol.Response response = ThriftArtifactCacheProtocol.parseResponse(PROTOCOL, httpResponse.getBody())) {
            eventBuilder.getFetchBuilder().setResponseSizeBytes(httpResponse.contentLength());
            BuckCacheResponse cacheResponse = response.getThriftData();
            if (!cacheResponse.isWasSuccessful()) {
                LOG.warn("Request was unsuccessful: %s", cacheResponse.getErrorMessage());
                return CacheResult.error(name, cacheResponse.getErrorMessage());
            }
            BuckCacheFetchResponse fetchResponse = cacheResponse.getFetchResponse();
            if (LOG.isDebugEnabled()) {
                LOG.debug("Debug info for cache fetch request: request=[%s] response=[%s]", ThriftUtil.thriftToDebugJson(cacheRequest), ThriftUtil.thriftToDebugJson(cacheResponse));
            }
            if (!fetchResponse.isArtifactExists()) {
                LOG.verbose("Artifact did not exist.");
                return CacheResult.miss();
            }
            LOG.verbose("Got artifact.  Attempting to read payload.");
            Path tmp = createTempFileForDownload();
            ThriftArtifactCacheProtocol.Response.ReadPayloadInfo readResult;
            try (OutputStream tmpFile = projectFilesystem.newFileOutputStream(tmp)) {
                readResult = response.readPayload(tmpFile);
                LOG.verbose("Successfully read payload: %d bytes.", readResult.getBytesRead());
            }
            ArtifactMetadata metadata = fetchResponse.getMetadata();
            if (LOG.isVerboseEnabled()) {
                LOG.verbose(String.format("Fetched artifact with rule key [%s] contains the following metadata: [%s]", ruleKey, ThriftUtil.thriftToDebugJson(metadata)));
            }
            eventBuilder.setTarget(Optional.ofNullable(metadata.getBuildTarget())).getFetchBuilder().setAssociatedRuleKeys(toImmutableSet(metadata.getRuleKeys())).setArtifactSizeBytes(readResult.getBytesRead());
            if (!metadata.isSetArtifactPayloadMd5()) {
                String msg = "Fetched artifact is missing the MD5 hash.";
                LOG.warn(msg);
            } else {
                eventBuilder.getFetchBuilder().setArtifactContentHash(metadata.getArtifactPayloadMd5());
                if (!readResult.getMd5Hash().equals(fetchResponse.getMetadata().getArtifactPayloadMd5())) {
                    String msg = String.format("The artifact fetched from cache is corrupted. ExpectedMD5=[%s] ActualMD5=[%s]", fetchResponse.getMetadata().getArtifactPayloadMd5(), readResult.getMd5Hash());
                    LOG.error(msg);
                    return CacheResult.error(name, msg);
                }
            }
            // This makes sure we don't have 'half downloaded files' in the dir cache.
            projectFilesystem.move(tmp, output.get(), StandardCopyOption.REPLACE_EXISTING);
            return CacheResult.hit(name, ImmutableMap.copyOf(fetchResponse.getMetadata().getMetadata()), readResult.getBytesRead());
        }
    }
}