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NIFI-3782: - Ensuring referenced Controller Services are not included in copy/paste requests when the Processor is located in a sub group. 

This closes #1740.

Signed-off-by: Bryan Bende <bbende@apache.org>
This commit is contained in:
Matt Gilman 2017-05-03 10:32:07 -04:00 committed by Bryan Bende
parent 54d47c7f74
commit ce233bdbbb
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GPG Key ID: A0DDA9ED50711C39
1 changed files with 27 additions and 18 deletions
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45
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/util/SnippetUtils.java
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@ -18,21 +18,6 @@ package org.apache.nifi.web.util;
import java.nio.charset.StandardCharsets;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.UUID;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;
import org.apache.nifi.authorization.AccessPolicy;
import org.apache.nifi.authorization.RequestAction;
@ -77,6 +62,21 @@ import org.apache.nifi.web.dao.AccessPolicyDAO;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.nio.charset.StandardCharsets;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.UUID;
import java.util.stream.Collectors;
/**
* Template utilities.
*/
@ -247,7 +247,12 @@ public final class SnippetUtils {
final ProcessGroupDTO childGroupDto = dtoFactory.createProcessGroupDto(childGroup, recurse);
processGroups.add(childGroupDto);
addControllerServices(childGroup, childGroupDto, allServicesReferenced, contentsByGroup, processGroup.getIdentifier());
// maintain a listing of visited groups starting with each group in the snippet. this is used to determine
// whether a referenced controller service should be included in the resulting snippet. if the service is
// defined at groupId or one of it's ancestors, its considered outside of this snippet and will only be included
// when the includeControllerServices is set to true. this happens above when considering the processors in this snippet
final Set<String> visitedGroupIds = new HashSet<>();
addControllerServices(childGroup, childGroupDto, allServicesReferenced, includeControllerServices, visitedGroupIds, contentsByGroup, processGroup.getIdentifier());
}
}
@ -306,7 +311,7 @@ public final class SnippetUtils {
* @param highestGroupId the UUID of the 'highest' process group in the snippet
*/
private void addControllerServices(final ProcessGroup group, final ProcessGroupDTO dto, final Set<ControllerServiceDTO> allServicesReferenced,
final Map<String, FlowSnippetDTO> contentsByGroup, final String highestGroupId) {
final boolean includeControllerServices, final Set<String> visitedGroupIds, final Map<String, FlowSnippetDTO> contentsByGroup, final String highestGroupId) {
final FlowSnippetDTO contents = dto.getContents();
contentsByGroup.put(dto.getId(), contents);
@ -314,11 +319,15 @@ public final class SnippetUtils {
return;
}
// include this group in the ancestry for this snippet, services only get included if the includeControllerServices
// flag is set or if the service is defined within this groups hierarchy within the snippet
visitedGroupIds.add(group.getIdentifier());
for (final ProcessorNode procNode : group.getProcessors()) {
// Include all referenced services that are not already included in this snippet.
getControllerServices(procNode.getProperties()).stream()
.filter(svc -> allServicesReferenced.add(svc))
.filter(svc -> includeControllerServices || visitedGroupIds.contains(svc.getParentGroupId()))
.forEach(svc -> {
final String svcGroupId = svc.getParentGroupId();
final String destinationGroupId = contentsByGroup.containsKey(svcGroupId) ? svcGroupId : highestGroupId;
@ -346,7 +355,7 @@ public final class SnippetUtils {
continue;
}
addControllerServices(childGroup, childDto, allServicesReferenced, contentsByGroup, highestGroupId);
addControllerServices(childGroup, childDto, allServicesReferenced, includeControllerServices, visitedGroupIds, contentsByGroup, highestGroupId);
}
}