NIFI-4436:

- Updating front end to use version control state/status.
- Fixing copy/paste issue during revert local changes.
- Code clean up in the breadcrumbs.
- Update VersionsResource authorization and two phase commit object usage.

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-client-dto/src/main/java/org/apache/nifi/web/api/entity/CreateActiveRequestEntity.java

@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.nifi.web.api.entity;
+
+import io.swagger.annotations.ApiModelProperty;
+
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name = "createActiveRequest")
+public class CreateActiveRequestEntity extends Entity {
+    private String processGroupId;
+
+    @ApiModelProperty("The Process Group ID that this active request will update")
+    public String getProcessGroupId() {
+        return processGroupId;
+    }
+
+    public void setProcessGroupId(String processGroupId) {
+        this.processGroupId = processGroupId;
+    }
+}

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/VersionsResource.java

@@ -17,23 +17,14 @@
 
 package org.apache.nifi.web.api;
 
-import javax.ws.rs.Consumes;
+import io.swagger.annotations.Api;
-import javax.ws.rs.DELETE;
+import io.swagger.annotations.ApiOperation;
-import javax.ws.rs.DefaultValue;
+import io.swagger.annotations.ApiParam;
-import javax.ws.rs.GET;
+import io.swagger.annotations.ApiResponse;
-import javax.ws.rs.HttpMethod;
+import io.swagger.annotations.ApiResponses;
-import javax.ws.rs.POST;
+import io.swagger.annotations.Authorization;
-import javax.ws.rs.PUT;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.Produces;
-import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.MultivaluedHashMap;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
-
 import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.authorization.AccessDeniedException;
 import org.apache.nifi.authorization.Authorizer;
 import org.apache.nifi.authorization.ProcessGroupAuthorizable;
 import org.apache.nifi.authorization.RequestAction;
@@ -65,6 +56,7 @@ import org.apache.nifi.web.api.dto.VersionControlInformationDTO;
 import org.apache.nifi.web.api.dto.VersionedFlowDTO;
 import org.apache.nifi.web.api.dto.VersionedFlowUpdateRequestDTO;
 import org.apache.nifi.web.api.entity.AffectedComponentEntity;
+import org.apache.nifi.web.api.entity.CreateActiveRequestEntity;
 import org.apache.nifi.web.api.entity.ProcessGroupEntity;
 import org.apache.nifi.web.api.entity.StartVersionControlRequestEntity;
 import org.apache.nifi.web.api.entity.VersionControlComponentMappingEntity;
@@ -80,6 +72,21 @@ import org.apache.nifi.web.util.LifecycleManagementException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.DefaultValue;
+import javax.ws.rs.GET;
+import javax.ws.rs.HttpMethod;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedHashMap;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -95,13 +102,6 @@ import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
-import io.swagger.annotations.Api;
-import io.swagger.annotations.ApiOperation;
-import io.swagger.annotations.ApiParam;
-import io.swagger.annotations.ApiResponse;
-import io.swagger.annotations.ApiResponses;
-import io.swagger.annotations.Authorization;
-
 @Path("/versions")
 @Api(value = "/versions", description = "Endpoint for managing version control for a flow")
 public class VersionsResource extends ApplicationResource {
@@ -168,7 +168,7 @@ public class VersionsResource extends ApplicationResource {
     @POST
     @Consumes(MediaType.WILDCARD)
     @Produces(MediaType.APPLICATION_JSON)
-    @Path("start-requests")
+    @Path("active-requests")
     @ApiOperation(
         value = "Creates a request so that a Process Group can be placed under Version Control or have its Version Control configuration changed. Creating this request will "
             + "prevent any other threads from simultaneously saving local changes to Version Control. It will not, however, actually save the local flow to the Flow Registry. A "
@@ -182,20 +182,28 @@ public class VersionsResource extends ApplicationResource {
         @ApiResponse(code = 404, message = "The specified resource could not be found."),
         @ApiResponse(code = 409, message = "The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
     })
-    public Response createVersionControlRequest() throws InterruptedException {
+    public Response createVersionControlRequest(
+            @ApiParam(value = "The versioned flow details.", required = true) final CreateActiveRequestEntity requestEntity) throws InterruptedException {
 
         if (isReplicateRequest()) {
             return replicate(HttpMethod.POST);
         }
 
+        if (requestEntity.getProcessGroupId() == null) {
+            throw new IllegalArgumentException("The id of the process group that will be updated must be specified.");
+        }
+
+        final NiFiUser user = NiFiUserUtils.getNiFiUser();
+
         return withWriteLock(
             serviceFacade,
-            /* entity */ null,
+            requestEntity,
             lookup -> {
-                // TODO - pass in PG ID to authorize
+                final Authorizable processGroup = lookup.getProcessGroup(requestEntity.getProcessGroupId()).getAuthorizable();
+                processGroup.authorize(authorizer, RequestAction.WRITE, user);
             },
             /* verifier */ null,
-            requestEntity -> {
+            entity -> {
                 final String requestId = generateUuid();
 
                 // We need to ensure that only a single Version Control Request can occur throughout the flow.
@@ -204,7 +212,7 @@ public class VersionsResource extends ApplicationResource {
                 // As a result, may could end up in a situation where we are creating flows in the registry that are never referenced.
                 synchronized (activeRequestMonitor) {
                     if (activeRequest == null || activeRequest.isExpired()) {
-                        activeRequest = new ActiveRequest(requestId);
+                        activeRequest = new ActiveRequest(requestId, user, entity.getProcessGroupId());
                     } else {
                         throw new IllegalStateException("A request is already underway to place a Process Group in this NiFi instance under Version Control. "
                             + "Only a single such request is allowed to occurred at a time. Please try the request again momentarily.");
@@ -219,7 +227,7 @@ public class VersionsResource extends ApplicationResource {
     @PUT
     @Consumes(MediaType.APPLICATION_JSON)
     @Produces(MediaType.APPLICATION_JSON)
-    @Path("start-requests/{id}")
+    @Path("active-requests/{id}")
     @ApiOperation(
             value = "Updates the request with the given ID",
             response = VersionControlInformationEntity.class,
@@ -235,7 +243,7 @@ public class VersionsResource extends ApplicationResource {
         @ApiResponse(code = 409, message = "The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.")
     })
     public Response updateVersionControlRequest(@ApiParam("The request ID.") @PathParam("id") final String requestId,
-        @ApiParam(value = "The controller service configuration details.", required = true) final VersionControlComponentMappingEntity requestEntity) {
+        @ApiParam(value = "The version control component mapping.", required = true) final VersionControlComponentMappingEntity requestEntity) {
 
         // Verify request
         final RevisionDTO revisionDto = requestEntity.getProcessGroupRevision();
@@ -287,21 +295,40 @@ public class VersionsResource extends ApplicationResource {
                 throw new IllegalStateException("Version Control Request with ID " + requestId + " has already expired");
             }
 
+            if (activeRequest.isUpdatePerformed()) {
+                throw new IllegalStateException("Version Control Request with ID " + requestId + " has already been performed");
+            }
+
             final String groupId = requestEntity.getVersionControlInformation().getGroupId();
 
+            if (!activeRequest.getProcessGroupId().equals(groupId)) {
+                throw new IllegalStateException("Version Control Request with ID " + requestId + " was created for a different process group id");
+            }
+
             final Revision groupRevision = new Revision(revisionDto.getVersion(), revisionDto.getClientId(), groupId);
             return withWriteLock(
                 serviceFacade,
                 requestEntity,
                 groupRevision,
                 lookup -> {
-                    final Authorizable processGroup = lookup.getProcessGroup(groupId).getAuthorizable();
+                    final NiFiUser user = NiFiUserUtils.getNiFiUser();
-                    processGroup.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
+                    if (user == null) {
+                        throw new AccessDeniedException("Unknown user.");
+                    }
+
+                    if (!user.equals(activeRequest.getUser())) {
+                        throw new AccessDeniedException("Only the user that creates the Version Control Request can use it.");
+                    }
                 },
                 null,
                 (rev, mappingEntity) -> {
+                    // set the version control information
                     final VersionControlInformationEntity responseEntity = serviceFacade.setVersionControlInformation(rev, groupId,
                         mappingEntity.getVersionControlInformation(), mappingEntity.getVersionControlComponentMapping());
+
+                    // indicate that the active request has performed the update
+                    activeRequest.updatePerformed();
+
                     return generateOkResponse(responseEntity).build();
                 });
         }
@@ -311,10 +338,10 @@ public class VersionsResource extends ApplicationResource {
     @DELETE
     @Consumes(MediaType.WILDCARD)
     @Produces(MediaType.APPLICATION_JSON)
-    @Path("start-requests/{id}")
+    @Path("active-requests/{id}")
     @ApiOperation(
         value = "Deletes the Version Control Request with the given ID. This will allow other threads to save flows to the Flow Registry. See also the documentation "
-            + "for POSTing to /versions/start-requests for information regarding why this is done.",
+            + "for POSTing to /versions/active-requests for information regarding why this is done.",
             notes = NON_GUARANTEED_ENDPOINT)
     @ApiResponses(value = {
         @ApiResponse(code = 400, message = "NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."),
@@ -328,28 +355,36 @@ public class VersionsResource extends ApplicationResource {
             return replicate(HttpMethod.DELETE);
         }
 
-        return withWriteLock(
+        synchronized (activeRequestMonitor) {
-            serviceFacade,
+            if (activeRequest == null) {
-            null,
+                throw new IllegalStateException("No Version Control Request with ID " + requestId + " is currently active");
-            lookup -> {
+            }
-            },
+
-            null,
+            if (!requestId.equals(activeRequest.getRequestId())) {
-            requestEntity -> {
+                throw new IllegalStateException("No Version Control Request with ID " + requestId + " is currently active");
-                synchronized (activeRequestMonitor) {
+            }
-                    if (activeRequest == null) {
+
-                        throw new IllegalStateException("No Version Control Request with ID " + requestId + " is currently active");
+            return withWriteLock(
+                serviceFacade,
+                null,
+                lookup -> {
+                    final NiFiUser user = NiFiUserUtils.getNiFiUser();
+                    if (user == null) {
+                        throw new AccessDeniedException("Unknown user.");
                     }
 
-                    if (!requestId.equals(activeRequest.getRequestId())) {
+                    if (!user.equals(activeRequest.getUser())) {
-                        throw new IllegalStateException("No Version Control Request with ID " + requestId + " is currently active");
+                        throw new AccessDeniedException("Only the user that creates the Version Control Request can use it.");
                     }
-
+                },
+                null,
+                requestEntity -> {
+                    // clear the active request
                     activeRequest = null;
-                }
-
-                return generateOkResponse().build();
-            });
 
+                    return generateOkResponse().build();
+                });
+        }
     }
 
 
@@ -407,7 +442,7 @@ public class VersionsResource extends ApplicationResource {
 
         if (isReplicateRequest()) {
             // We first have to obtain a "lock" on all nodes in the cluster so that multiple Version Control requests
-            // are not being made simultaneously. We do this by making a POST to /nifi-api/versions/start-requests.
+            // are not being made simultaneously. We do this by making a POST to /nifi-api/versions/active-requests.
             // The Response gives us back the Request ID.
             final URI requestUri;
             try {
@@ -415,7 +450,7 @@ public class VersionsResource extends ApplicationResource {
                 final String requestId = lockVersionControl(originalUri, groupId);
 
                 requestUri = new URI(originalUri.getScheme(), originalUri.getUserInfo(), originalUri.getHost(),
-                    originalUri.getPort(), "/nifi-api/versions/start-requests/" + requestId, null, originalUri.getFragment());
+                    originalUri.getPort(), "/nifi-api/versions/active-requests/" + requestId, null, originalUri.getFragment());
             } catch (final URISyntaxException e) {
                 throw new RuntimeException(e);
             }
@@ -448,9 +483,12 @@ public class VersionsResource extends ApplicationResource {
             lookup -> {
                 final ProcessGroupAuthorizable groupAuthorizable = lookup.getProcessGroup(groupId);
                 final Authorizable processGroup = groupAuthorizable.getAuthorizable();
-                processGroup.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
+
+                // require write to this group
                 processGroup.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
-                super.authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
+
+                // require read to this group and all descendants
+                authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
             },
             () -> {
                 final VersionedFlowDTO versionedFlow = requestEntity.getVersionedFlow();
@@ -493,15 +531,19 @@ public class VersionsResource extends ApplicationResource {
 
     private String lockVersionControl(final URI originalUri, final String groupId) throws URISyntaxException {
         final URI createRequestUri = new URI(originalUri.getScheme(), originalUri.getUserInfo(), originalUri.getHost(),
-            originalUri.getPort(), "/nifi-api/versions/start-requests", null, originalUri.getFragment());
+            originalUri.getPort(), "/nifi-api/versions/active-requests", null, originalUri.getFragment());
 
         final NodeResponse clusterResponse;
         try {
+            // create an active request entity to indicate the group id
+            final CreateActiveRequestEntity activeRequestEntity = new CreateActiveRequestEntity();
+            activeRequestEntity.setProcessGroupId(groupId);
+
             if (getReplicationTarget() == ReplicationTarget.CLUSTER_NODES) {
-                clusterResponse = getRequestReplicator().replicate(HttpMethod.POST, createRequestUri, new MultivaluedHashMap<>(), Collections.emptyMap()).awaitMergedResponse();
+                clusterResponse = getRequestReplicator().replicate(HttpMethod.POST, createRequestUri, activeRequestEntity, Collections.emptyMap()).awaitMergedResponse();
             } else {
                 clusterResponse = getRequestReplicator().forwardToCoordinator(
-                    getClusterCoordinatorNode(), HttpMethod.POST, createRequestUri, new MultivaluedHashMap<>(), Collections.emptyMap()).awaitMergedResponse();
+                    getClusterCoordinatorNode(), HttpMethod.POST, createRequestUri, activeRequestEntity, Collections.emptyMap()).awaitMergedResponse();
             }
         } catch (final InterruptedException ie) {
             Thread.currentThread().interrupt();
@@ -625,7 +667,7 @@ public class VersionsResource extends ApplicationResource {
             },
             (revision, groupEntity) -> {
                 // disconnect from version control
-                final VersionControlInformationEntity entity = serviceFacade.deleteVersionControl(requestRevision, groupId);
+                final VersionControlInformationEntity entity = serviceFacade.deleteVersionControl(revision, groupId);
 
                 // generate the response
                 return generateOkResponse(entity).build();
@@ -716,8 +758,8 @@ public class VersionsResource extends ApplicationResource {
                 versionControlInfoDto.setGroupId(groupId);
                 versionControlInfoDto.setModified(false);
                 versionControlInfoDto.setVersion(snapshotMetadata.getVersion());
-                versionControlInfoDto.setRegistryId(requestEntity.getRegistryId());
+                versionControlInfoDto.setRegistryId(entity.getRegistryId());
-                versionControlInfoDto.setRegistryName(serviceFacade.getFlowRegistryName(requestEntity.getRegistryId()));
+                versionControlInfoDto.setRegistryName(serviceFacade.getFlowRegistryName(entity.getRegistryId()));
 
                 final ProcessGroupEntity updatedGroup = serviceFacade.updateProcessGroup(rev, groupId, versionControlInfoDto, flowSnapshot, getIdGenerationSeed().orElse(null), false,
                     entity.getUpdateDescendantVersionedFlows());
@@ -785,6 +827,7 @@ public class VersionsResource extends ApplicationResource {
 
         final NiFiUser user = NiFiUserUtils.getNiFiUser();
 
+        // request manager will ensure that the current is the user that submitted this request
         final AsynchronousWebRequest<VersionControlInformationEntity> asyncRequest = requestManager.getRequest(requestType, requestId, user);
 
         final VersionedFlowUpdateRequestDTO updateRequestDto = new VersionedFlowUpdateRequestDTO();
@@ -865,6 +908,7 @@ public class VersionsResource extends ApplicationResource {
 
         final NiFiUser user = NiFiUserUtils.getNiFiUser();
 
+        // request manager will ensure that the current is the user that submitted this request
         final AsynchronousWebRequest<VersionControlInformationEntity> asyncRequest = requestManager.removeRequest(requestType, requestId, user);
         if (asyncRequest == null) {
             throw new ResourceNotFoundException("Could not find request of type " + requestType + " with ID " + requestId);
@@ -1021,11 +1065,8 @@ public class VersionsResource extends ApplicationResource {
             lookup -> {
                 // Step 2: Verify READ and WRITE permissions for user, for every component.
                 final ProcessGroupAuthorizable groupAuthorizable = lookup.getProcessGroup(groupId);
-                final Authorizable processGroup = groupAuthorizable.getAuthorizable();
+                authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
-                processGroup.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
+                authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.WRITE, true, false, true, true);
-                processGroup.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
-                super.authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
-                super.authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.WRITE, true, false, true, true);
 
                 final VersionedProcessGroup groupContents = flowSnapshot.getFlowContents();
                 final boolean containsRestrictedComponents = FlowRegistryUtils.containsRestrictedComponent(groupContents);
@@ -1049,7 +1090,7 @@ public class VersionsResource extends ApplicationResource {
                 final Consumer<AsynchronousWebRequest<VersionControlInformationEntity>> updateTask = vcur -> {
                     try {
                         final VersionControlInformationEntity updatedVersionControlEntity = updateFlowVersion(groupId, componentLifecycle, exampleUri,
-                            affectedComponents, user, replicateRequest, requestEntity, flowSnapshot, request, idGenerationSeed, true, true);
+                            affectedComponents, user, replicateRequest, processGroupEntity, flowSnapshot, request, idGenerationSeed, true, true);
 
                         vcur.markComplete(updatedVersionControlEntity);
                     } catch (final LifecycleManagementException e) {
@@ -1170,11 +1211,8 @@ public class VersionsResource extends ApplicationResource {
             lookup -> {
                 // Step 2: Verify READ and WRITE permissions for user, for every component.
                 final ProcessGroupAuthorizable groupAuthorizable = lookup.getProcessGroup(groupId);
-                final Authorizable processGroup = groupAuthorizable.getAuthorizable();
+                authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
-                processGroup.authorize(authorizer, RequestAction.READ, NiFiUserUtils.getNiFiUser());
+                authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.WRITE, true, false, true, true);
-                processGroup.authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
-                super.authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.READ, true, false, true, true);
-                super.authorizeProcessGroup(groupAuthorizable, authorizer, lookup, RequestAction.WRITE, true, false, true, true);
 
                 final VersionedProcessGroup groupContents = flowSnapshot.getFlowContents();
                 final boolean containsRestrictedComponents = FlowRegistryUtils.containsRestrictedComponent(groupContents);
@@ -1217,7 +1255,7 @@ public class VersionsResource extends ApplicationResource {
                 final Consumer<AsynchronousWebRequest<VersionControlInformationEntity>> updateTask = vcur -> {
                     try {
                         final VersionControlInformationEntity updatedVersionControlEntity = updateFlowVersion(groupId, componentLifecycle, exampleUri,
-                            affectedComponents, user, replicateRequest, requestEntity, flowSnapshot, request, idGenerationSeed, false, true);
+                            affectedComponents, user, replicateRequest, processGroupEntity, flowSnapshot, request, idGenerationSeed, false, true);
 
                         vcur.markComplete(updatedVersionControlEntity);
                     } catch (final LifecycleManagementException e) {
@@ -1471,11 +1509,17 @@ public class VersionsResource extends ApplicationResource {
         private static final long MAX_REQUEST_LOCK_NANOS = TimeUnit.MINUTES.toNanos(1L);
 
         private final String requestId;
+        private final NiFiUser user;
+        private final String processGroupId;
         private final long creationNanos = System.nanoTime();
         private final long expirationTime = creationNanos + MAX_REQUEST_LOCK_NANOS;
 
-        private ActiveRequest(final String requestId) {
+        private boolean updatePerformed = false;
+
+        private ActiveRequest(final String requestId, final NiFiUser user, final String processGroupId) {
             this.requestId = requestId;
+            this.user = user;
+            this.processGroupId = processGroupId;
         }
 
         public boolean isExpired() {
@@ -1485,5 +1529,21 @@ public class VersionsResource extends ApplicationResource {
         public String getRequestId() {
             return requestId;
         }
+
+        public NiFiUser getUser() {
+            return user;
+        }
+
+        public String getProcessGroupId() {
+            return processGroupId;
+        }
+
+        public void updatePerformed() {
+            updatePerformed = true;
+        }
+
+        public boolean isUpdatePerformed() {
+            return updatePerformed;
+        }
     }
 }

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/WEB-INF/partials/canvas/navigation.jsp

@@ -21,8 +21,7 @@
         highlight-crumb-id="appCtrl.nf.CanvasUtils.getGroupId();"
         separator-func="appCtrl.nf.Common.isDefinedAndNotNull"
         is-tracking="appCtrl.serviceProvider.breadcrumbsCtrl.isTracking"
-        is-current="appCtrl.serviceProvider.breadcrumbsCtrl.isCurrent"
+        get-version-control-class="appCtrl.serviceProvider.breadcrumbsCtrl.getVersionControlClass"
-        is-modified="appCtrl.serviceProvider.breadcrumbsCtrl.isModified"
         get-version-control-tooltip="appCtrl.serviceProvider.breadcrumbsCtrl.getVersionControlTooltip">
 </nf-breadcrumbs>
 <div id="graph-controls">

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/css/main.css

@@ -161,7 +161,7 @@ div.context-menu-provenance {
     text-shadow: 0 0 4px rgba(255,255,255,1);
 }
 
-.locally-modified {
+.locally-modified, .sync-failure {
     float: left;
     color: #747474 !important;
     fill: #747474 !important;
@@ -169,15 +169,7 @@ div.context-menu-provenance {
     text-shadow: 0 0 4px rgba(255,255,255,1);
 }
 
-.stale {
+.stale, .locally-modified-and-stale {
-    float: left;
-    color: #c7685d !important;
-    fill: #c7685d !important;
-    margin-top: 0px !important;
-    text-shadow: 0 0 4px rgba(255,255,255,1);
-}
-
-.locally-modified-and-stale {
     float: left;
     color: #c7685d !important;
     fill: #c7685d !important;

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/controllers/nf-ng-breadcrumbs-controller.js

@@ -107,31 +107,28 @@
             },
 
             /**
-             * Returns whether the specified version control information is current.
+             * Returns the class string to use for the version control of the specified breadcrumb.
              *
              * @param breadcrumbEntity
-             * @returns {boolean}
+             * @returns {string}
              */
-            isCurrent: function (breadcrumbEntity) {
+            getVersionControlClass: function (breadcrumbEntity) {
                 if (nfCommon.isDefinedAndNotNull(breadcrumbEntity.breadcrumb.versionControlInformation)) {
-                    return breadcrumbEntity.breadcrumb.versionControlInformation.current === true;
+                    var vciState = breadcrumbEntity.breadcrumb.versionControlInformation.state;
+                    if (vciState === 'SYNC_FAILURE') {
+                        return 'breadcrumb-version-control-gray fa fa-question'
+                    } else if (vciState === 'LOCALLY_MODIFIED_AND_STALE') {
+                        return 'breadcrumb-version-control-red fa fa-exclamation-circle';
+                    } else if (vciState === 'STALE') {
+                        return 'breadcrumb-version-control-red fa fa-arrow-circle-up';
+                    } else if (vciState === 'LOCALLY_MODIFIED') {
+                        return 'breadcrumb-version-control-gray fa fa-asterisk';
+                    } else {
+                        return 'breadcrumb-version-control-green fa fa-check';
+                    }
+                } else {
+                    return '';
                 }
-
-                return false;
-            },
-
-            /**
-             * Returns whether the specified version control information is current.
-             *
-             * @param versionControlInformation
-             * @returns {boolean}
-             */
-            isModified: function (breadcrumbEntity) {
-                if (nfCommon.isDefinedAndNotNull(breadcrumbEntity.breadcrumb.versionControlInformation)) {
-                    return breadcrumbEntity.breadcrumb.versionControlInformation.modified === true;
-                }
-
-                return false;
             },
 
             /**

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/directives/nf-ng-breadcrumbs-directive.js

@@ -42,8 +42,7 @@
                 'highlightCrumbId': '=',
                 'separatorFunc': '=',
                 'isTracking': '=',
-                'isCurrent': '=',
+                'getVersionControlClass': '=',
-                'isModified': '=',
                 'getVersionControlTooltip': '='
             },
             link: function (scope, element, attrs) {

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/nf-context-menu.js

@@ -463,7 +463,7 @@
         }
 
         // check the selection for version control information
-        return versionControlInformation.current === true && versionControlInformation.modified === true;
+        return versionControlInformation.state === 'LOCALLY_MODIFIED';
     };
 
     /**
@@ -502,7 +502,7 @@
         }
 
         // check the selection for version control information
-        return versionControlInformation.modified === true;
+        return versionControlInformation.state === 'LOCALLY_MODIFIED' || versionControlInformation.state === 'LOCALLY_MODIFIED_AND_STALE';
     };
 
     /**
@@ -541,7 +541,7 @@
         }
 
         // check the selection for version control information
-        return versionControlInformation.modified === false;
+        return versionControlInformation.state !== 'LOCALLY_MODIFIED' && versionControlInformation.state !== 'LOCALLY_MODIFIED_AND_STALE';
     };
 
     /**

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/nf-flow-version.js

@@ -227,10 +227,11 @@
      *
      * @param registryIdentifier
      * @param bucketCombo
+     * @param flowCombo
      * @param selectBucket
      * @returns {*}
      */
-    var loadBuckets = function (registryIdentifier, bucketCombo, selectBucket) {
+    var loadBuckets = function (registryIdentifier, bucketCombo, flowCombo, selectBucket) {
         return $.ajax({
             type: 'GET',
             url: '../nifi-api/flow/registries/' + encodeURIComponent(registryIdentifier) + '/buckets',
@@ -258,6 +259,14 @@
                     optionClass: 'unset',
                     disabled: true
                 });
+                flowCombo.combo('destroy').combo({
+                    options: [{
+                        text: 'No available flows',
+                        value: null,
+                        optionClass: 'unset',
+                        disabled: true
+                    }]
+                });
             }
 
             // load the buckets
@@ -287,6 +296,14 @@
                     disabled: true
                 }]
             });
+            flowCombo.combo('destroy').combo({
+                options: [{
+                    text: 'No available flows',
+                    value: null,
+                    optionClass: 'unset',
+                    disabled: true
+                }]
+            });
 
             dialog.modal('refreshButtons');
         };
@@ -316,7 +333,7 @@
                 clearFlowVersionsGrid();
             }
 
-            loadBuckets(selectedOption.value, bucketCombo, selectBucket).fail(function () {
+            loadBuckets(selectedOption.value, bucketCombo, flowCombo, selectBucket).fail(function () {
                 showNoBucketsAvailable();
             });
         }
@@ -1439,7 +1456,7 @@
 
                                 nfDialog.showOkDialog({
                                     headerText: 'Revert Local Changes',
-                                    dialogContent: nfCommon.escapeHtml(changeRequest.failureReason)
+                                    dialogContent: nfCommon.escapeHtml(revertRequest.failureReason)
                                 });
                             } else {
                                 // update the percent complete

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/nf-process-group.js

@@ -397,7 +397,7 @@
                             'class': 'process-group-disabled-count process-group-contents-count'
                         });
 
-                    // current icon
+                    // up to date icon
                     details.append('text')
                         .attr({
                             'x': 10,
@@ -409,7 +409,7 @@
                         })
                         .text('\uf00c');
 
-                    // current count
+                    // up to date count
                     details.append('text')
                         .attr({
                             'y': function () {
@@ -418,7 +418,7 @@
                             'class': 'process-group-up-to-date-count process-group-contents-count'
                         });
 
-                    // modified icon
+                    // locally modified icon
                     details.append('text')
                         .attr({
                             'y': function () {
@@ -429,7 +429,7 @@
                         })
                         .text('\uf069');
 
-                    // modified count
+                    // locally modified count
                     details.append('text')
                         .attr({
                             'y': function () {
@@ -438,7 +438,7 @@
                             'class': 'process-group-locally-modified-count process-group-contents-count'
                         });
 
-                    // not current icon
+                    // stale icon
                     details.append('text')
                         .attr({
                             'y': function () {
@@ -449,7 +449,7 @@
                         })
                         .text('\uf0aa');
 
-                    // not current count
+                    // stale count
                     details.append('text')
                         .attr({
                             'y': function () {
@@ -458,7 +458,7 @@
                             'class': 'process-group-stale-count process-group-contents-count'
                         });
 
-                    // modified and not current icon
+                    // locally modified and stale icon
                     details.append('text')
                         .attr({
                             'y': function () {
@@ -469,7 +469,7 @@
                         })
                         .text('\uf06a');
 
-                    // modified and not current count
+                    // locally modified and stale count
                     details.append('text')
                         .attr({
                             'y': function () {
@@ -478,6 +478,26 @@
                             'class': 'process-group-locally-modified-and-stale-count process-group-contents-count'
                         });
 
+                    // sync failure icon
+                    details.append('text')
+                        .attr({
+                            'y': function () {
+                                return processGroupData.dimensions.height - 7;
+                            },
+                            'class': 'process-group-sync-failure process-group-contents-icon',
+                            'font-family': 'FontAwesome'
+                        })
+                        .text('\uf128');
+
+                    // sync failure count
+                    details.append('text')
+                        .attr({
+                            'y': function () {
+                                return processGroupData.dimensions.height - 7;
+                            },
+                            'class': 'process-group-sync-failure-count process-group-contents-count'
+                        });
+
                     // ----------------
                     // stats background
                     // ----------------
@@ -940,13 +960,14 @@
                             'visibility': isUnderVersionControl(processGroupData) ? 'visible' : 'hidden',
                             'fill': function () {
                                 if (isUnderVersionControl(processGroupData)) {
-                                    var modified = processGroupData.component.versionControlInformation.modified;
+                                    var vciState = processGroupData.component.versionControlInformation.state;
-                                    var current = processGroupData.component.versionControlInformation.current;
+                                    if (vciState === 'SYNC_FAILURE') {
-                                    if (modified === true && current === false) {
+                                        return '#666666';
+                                    } else if (vciState === 'LOCALLY_MODIFIED_AND_STALE') {
                                         return '#BA554A';
-                                    } else if (current === false) {
+                                    } else if (vciState === 'STALE') {
                                         return '#BA554A';
-                                    } else if (modified === true) {
+                                    } else if (vciState === 'LOCALLY_MODIFIED') {
                                         return '#666666';
                                     } else {
                                         return '#1A9964';
@@ -958,13 +979,14 @@
                         })
                         .text(function () {
                             if (isUnderVersionControl(processGroupData)) {
-                                var modified = processGroupData.component.versionControlInformation.modified;
+                                var vciState = processGroupData.component.versionControlInformation.state;
-                                var current = processGroupData.component.versionControlInformation.current;
+                                if (vciState === 'SYNC_FAILURE') {
-                                if (modified === true && current === false) {
+                                    return '\uf128'
+                                } else if (vciState === 'LOCALLY_MODIFIED_AND_STALE') {
                                     return '\uf06a';
-                                } else if (current === false) {
+                                } else if (vciState === 'STALE') {
                                     return '\uf0aa';
-                                } else if (modified === true) {
+                                } else if (vciState === 'LOCALLY_MODIFIED') {
                                     return '\uf069';
                                 } else {
                                     return '\uf00c';
@@ -1081,8 +1103,8 @@
                         });
                     var upToDateCount = details.select('text.process-group-up-to-date-count')
                         .attr('x', function () {
-                            var currentCountX = parseInt(upToDate.attr('x'), 10);
+                            var updateToDateCountX = parseInt(upToDate.attr('x'), 10);
-                            return currentCountX + Math.round(upToDate.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
+                            return updateToDateCountX + Math.round(upToDate.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
                         })
                         .text(function (d) {
                             return d.component.upToDateCount;
@@ -1097,13 +1119,13 @@
                             return d.component.locallyModifiedCount === 0;
                         })
                         .attr('x', function () {
-                            var currentX = parseInt(upToDateCount.attr('x'), 10);
+                            var upToDateX = parseInt(upToDateCount.attr('x'), 10);
-                            return currentX + Math.round(upToDateCount.node().getComputedTextLength()) + CONTENTS_SPACER;
+                            return upToDateX + Math.round(upToDateCount.node().getComputedTextLength()) + CONTENTS_SPACER;
                         });
                     var locallyModifiedCount = details.select('text.process-group-locally-modified-count')
                         .attr('x', function () {
-                            var modifiedCountX = parseInt(locallyModified.attr('x'), 10);
+                            var locallyModifiedCountX = parseInt(locallyModified.attr('x'), 10);
-                            return modifiedCountX + Math.round(locallyModified.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
+                            return locallyModifiedCountX + Math.round(locallyModified.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
                         })
                         .text(function (d) {
                             return d.component.locallyModifiedCount;
@@ -1118,13 +1140,13 @@
                             return d.component.staleCount === 0;
                         })
                         .attr('x', function () {
-                            var modifiedX = parseInt(locallyModifiedCount.attr('x'), 10);
+                            var locallyModifiedX = parseInt(locallyModifiedCount.attr('x'), 10);
-                            return modifiedX + Math.round(locallyModifiedCount.node().getComputedTextLength()) + CONTENTS_SPACER;
+                            return locallyModifiedX + Math.round(locallyModifiedCount.node().getComputedTextLength()) + CONTENTS_SPACER;
                         });
                     var staleCount = details.select('text.process-group-stale-count')
                         .attr('x', function () {
-                            var notCurrentCountX = parseInt(stale.attr('x'), 10);
+                            var staleCountX = parseInt(stale.attr('x'), 10);
-                            return notCurrentCountX + Math.round(stale.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
+                            return staleCountX + Math.round(stale.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
                         })
                         .text(function (d) {
                             return d.component.staleCount;
@@ -1139,17 +1161,38 @@
                             return d.component.locallyModifiedAndStaleCount === 0;
                         })
                         .attr('x', function () {
-                            var runningX = parseInt(staleCount.attr('x'), 10);
+                            var staleX = parseInt(staleCount.attr('x'), 10);
-                            return runningX + Math.round(staleCount.node().getComputedTextLength()) + CONTENTS_SPACER;
+                            return staleX + Math.round(staleCount.node().getComputedTextLength()) + CONTENTS_SPACER;
                         });
-                    details.select('text.process-group-locally-modified-and-stale-count')
+                    var locallyModifiedAndStaleCount = details.select('text.process-group-locally-modified-and-stale-count')
                         .attr('x', function () {
-                            var modifiedAndNotCurrentCountX = parseInt(locallyModifiedAndStale.attr('x'), 10);
+                            var locallyModifiedAndStaleCountX = parseInt(locallyModifiedAndStale.attr('x'), 10);
-                            return modifiedAndNotCurrentCountX + Math.round(locallyModifiedAndStale.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
+                            return locallyModifiedAndStaleCountX + Math.round(locallyModifiedAndStale.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
                         })
                         .text(function (d) {
                             return d.component.locallyModifiedAndStaleCount;
                         });
+
+                    // update sync failure
+                    var syncFailure = details.select('text.process-group-sync-failure')
+                        .classed('sync-failure', function (d) {
+                            return d.component.syncFailureCount > 0;
+                        })
+                        .classed('zero', function (d) {
+                            return d.component.syncFailureCount === 0;
+                        })
+                        .attr('x', function () {
+                            var syncFailureX = parseInt(locallyModifiedAndStaleCount.attr('x'), 10);
+                            return syncFailureX + Math.round(locallyModifiedAndStaleCount.node().getComputedTextLength()) + CONTENTS_SPACER - 2;
+                        });
+                    details.select('text.process-group-sync-failure-count')
+                        .attr('x', function () {
+                            var syncFailureCountX = parseInt(syncFailure.attr('x'), 10);
+                            return syncFailureCountX + Math.round(syncFailure.node().getComputedTextLength()) + CONTENTS_VALUE_SPACER;
+                        })
+                        .text(function (d) {
+                            return d.component.syncFailureCount;
+                        });
                 } else {
                     // update version control information
                     processGroup.select('text.version-control').style('visibility', false).text('');

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/nf-common.js

@@ -425,17 +425,7 @@
          * @param versionControlInformation
          */
         getVersionControlTooltip: function (versionControlInformation) {
-            var modified = versionControlInformation.modified;
+            return versionControlInformation.stateExplanation;
-            var current = versionControlInformation.current;
-            if (modified === true && current === false) {
-                return 'Local changes have been made and a newer version of this flow is available';
-            } else if (current === false) {
-                return 'A newer version of this flow is available';
-            } else if (modified === true) {
-                return 'Local changes have been made';
-            } else {
-                return 'Flow version is current';
-            }
         },
 
         /**

nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/views/nf-ng-breadcrumbs-directive-view.html

@@ -22,14 +22,7 @@ limitations under the License.
                 <span ng-if="separatorFunc(crumb.parentBreadcrumb)" style="margin: 0 12px;">
                     &raquo;
                 </span>
-                <span ng-if="isTracking(crumb) && isCurrent(crumb) && !isModified(crumb)" title="{{getVersionControlTooltip(crumb)}}"
+                <span ng-if="isTracking(crumb)" title="{{getVersionControlTooltip(crumb)}}" class="{{getVersionControlClass(crumb)}}" style="margin: 0 6px;"></span>
-                      class="breadcrumb-version-control-green fa fa-check" style="margin: 0 6px;"></span>
-                <span ng-if="isTracking(crumb) && isCurrent(crumb) && isModified(crumb)" title="{{getVersionControlTooltip(crumb)}}"
-                      class="breadcrumb-version-control-gray fa fa-asterisk" style="margin: 0 6px;"></span>
-                <span ng-if="isTracking(crumb) && !isCurrent(crumb) && !isModified(crumb)" title="{{getVersionControlTooltip(crumb)}}"
-                      class="breadcrumb-version-control-red fa fa-arrow-circle-up" style="margin: 0 6px;"></span>
-                <span ng-if="isTracking(crumb) && !isCurrent(crumb) && isModified(crumb)" title="{{getVersionControlTooltip(crumb)}}"
-                      class="breadcrumb-version-control-red fa fa-exclamation-circle" style="margin: 0 6px;"></span>
                 <span class="link"
                       ng-class="(highlightCrumbId === crumb.id) ? 'link-bold' : ''"
                       ng-click="clickFunc(crumb.id)">