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NIFI-1619: Fix Elasticsearch processor bug when flow file missing ID attribute 

This closes #269

Signed-off-by: Aldrin Piri <aldrin@apache.org>
This commit is contained in:
Matt Burgess 2016-03-11 11:32:51 -05:00 committed by Aldrin Piri
parent f6705f234c
commit e1cf37fb89
2 changed files with 44 additions and 18 deletions
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26
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/PutElasticsearch.java
View File

@ -49,6 +49,7 @@ import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
@ -156,18 +157,21 @@ public class PutElasticsearch extends AbstractElasticsearchProcessor {
}
final ProcessorLog logger = getLogger();
// Keep track of the list of flow files that need to be transferred. As they are transferred, remove them from the list.
List<FlowFile> flowFilesToTransfer = new LinkedList<>(flowFiles);
try {
final BulkRequestBuilder bulk = esClient.get().prepareBulk();
if (authToken != null) {
bulk.putHeader("Authorization", authToken);
}
for (FlowFile file : flowFiles) {
final String id = file.getAttribute(id_attribute);
if (id == null) {
logger.error("No value in identifier attribute {} for {}", new Object[]{id_attribute, file});
logger.error("No value in identifier attribute {} for {}, transferring to failure", new Object[]{id_attribute, file});
flowFilesToTransfer.remove(file);
session.transfer(file, REL_FAILURE);
}
} else {
session.read(file, new InputStreamCallback() {
@Override
public void process(final InputStream in) throws IOException {
@ -178,24 +182,26 @@ public class PutElasticsearch extends AbstractElasticsearchProcessor {
}
});
}
}
final BulkResponse response = bulk.execute().actionGet();
if (response.hasFailures()) {
for (final BulkItemResponse item : response.getItems()) {
final FlowFile flowFile = flowFiles.get(item.getItemId());
final FlowFile flowFile = flowFilesToTransfer.get(item.getItemId());
if (item.isFailed()) {
logger.error("Failed to insert {} into Elasticsearch due to {}",
logger.error("Failed to insert {} into Elasticsearch due to {}, transferring to failure",
new Object[]{flowFile, item.getFailure().getMessage()});
session.transfer(flowFile, REL_FAILURE);
} else {
session.transfer(flowFile, REL_SUCCESS);
}
flowFilesToTransfer.remove(flowFile);
}
} else {
session.transfer(flowFiles, REL_SUCCESS);
}
// Transfer any remaining flowfiles to success
session.transfer(flowFilesToTransfer, REL_SUCCESS);
} catch (NoNodeAvailableException
| ElasticsearchTimeoutException
@ -209,14 +215,14 @@ public class PutElasticsearch extends AbstractElasticsearchProcessor {
logger.error("Failed to insert into Elasticsearch due to {}. More detailed information may be available in " +
"the NiFi logs.",
new Object[]{exceptionToRetry.getLocalizedMessage()}, exceptionToRetry);
session.transfer(flowFiles, REL_RETRY);
session.transfer(flowFilesToTransfer, REL_RETRY);
context.yield();
} catch (Exception exceptionToFail) {
logger.error("Failed to insert into Elasticsearch due to {}",
logger.error("Failed to insert into Elasticsearch due to {}, transferring to failure",
new Object[]{exceptionToFail.getLocalizedMessage()}, exceptionToFail);
session.transfer(flowFiles, REL_FAILURE);
session.transfer(flowFilesToTransfer, REL_FAILURE);
context.yield();
}
}

20
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/test/java/org/apache/nifi/processors/elasticsearch/TestPutElasticsearch.java
View File

@ -188,6 +188,26 @@ public class TestPutElasticsearch {
runner.assertTransferCount(PutElasticsearch.REL_FAILURE, 1);
}
@Test
public void testPutElasticsearchOnTriggerWithNoIdAttribute() throws IOException {
runner = TestRunners.newTestRunner(new PutElasticsearchTestProcessor(true)); // simulate failures
runner.setValidateExpressionUsage(false);
runner.setProperty(AbstractElasticsearchProcessor.CLUSTER_NAME, "elasticsearch");
runner.setProperty(AbstractElasticsearchProcessor.HOSTS, "127.0.0.1:9300");
runner.setProperty(AbstractElasticsearchProcessor.PING_TIMEOUT, "5s");
runner.setProperty(AbstractElasticsearchProcessor.SAMPLER_INTERVAL, "5s");
runner.setProperty(PutElasticsearch.INDEX, "doc");
runner.setProperty(PutElasticsearch.TYPE, "status");
runner.setProperty(PutElasticsearch.BATCH_SIZE, "1");
runner.setProperty(PutElasticsearch.ID_ATTRIBUTE, "doc_id");
runner.enqueue(docExample);
runner.run(1, true, true);
runner.assertAllFlowFilesTransferred(PutElasticsearch.REL_FAILURE, 1);
final MockFlowFile out = runner.getFlowFilesForRelationship(PutElasticsearch.REL_FAILURE).get(0);
assertNotNull(out);
}
/**
* A Test class that extends the processor in order to inject/mock behavior