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INGEST: Allow Repeated Invocation of Pipeline #33419

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Merged
merged 2 commits into from
Sep 5, 2018
Merged

INGEST: Allow Repeated Invocation of Pipeline #33419

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INGEST: Allow Repeated Invocation of Pipeline
original-brownbear Sep 5, 2018
5888c94
Merge remote-tracking branch 'elastic/master' into allow-repeat-pipel…
original-brownbear Sep 5, 2018
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16 changes: 16 additions & 0 deletions ...s/ingest-common/src/test/java/org/elasticsearch/ingest/common/PipelineProcessorTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -113,4 +113,20 @@ public void testThrowsOnRecursivePipelineInvocations() throws Exception {
"Recursive invocation of pipeline [inner] detected.", e.getRootCause().getMessage()
);
}

public void testAllowsRepeatedPipelineInvocations() throws Exception {
String innerPipelineId = "inner";
IngestService ingestService = mock(IngestService.class);
IngestDocument testIngestDocument = RandomDocumentPicks.randomIngestDocument(random(), new HashMap<>());
Map<String, Object> outerConfig = new HashMap<>();
outerConfig.put("pipeline", innerPipelineId);
PipelineProcessor.Factory factory = new PipelineProcessor.Factory(ingestService);
Pipeline inner = new Pipeline(
innerPipelineId, null, null, new CompoundProcessor()
);
when(ingestService.getPipeline(innerPipelineId)).thenReturn(inner);
Processor outerProc = factory.create(Collections.emptyMap(), null, outerConfig);
outerProc.execute(testIngestDocument);
outerProc.execute(testIngestDocument);
}
}
10 changes: 7 additions & 3 deletions server/src/main/java/org/elasticsearch/ingest/IngestDocument.java
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Expand Up @@ -645,10 +645,14 @@ private static Object deepCopy(Object value) {
* @throws Exception On exception in pipeline execution
*/
public IngestDocument executePipeline(Pipeline pipeline) throws Exception {
if (this.executedPipelines.add(pipeline) == false) {
throw new IllegalStateException("Recursive invocation of pipeline [" + pipeline.getId() + "] detected.");
try {
if (this.executedPipelines.add(pipeline) == false) {
throw new IllegalStateException("Recursive invocation of pipeline [" + pipeline.getId() + "] detected.");
}
return pipeline.execute(this);
} finally {
executedPipelines.remove(pipeline);
}
return pipeline.execute(this);
}

@Override
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