malthe commented on code in PR #6941: URL: https://github.com/apache/nifi/pull/6941#discussion_r1325464063
########## nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/CopyAzureBlobStorage_v12.java: ########## @@ -0,0 +1,388 @@ +/* + * 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.processors.azure.storage; + +import com.azure.core.credential.AccessToken; +import com.azure.core.credential.TokenCredential; +import com.azure.core.credential.TokenRequestContext; +import com.azure.core.http.HttpAuthorization; +import com.azure.core.http.rest.Response; +import com.azure.core.util.Context; +import com.azure.identity.ClientSecretCredential; +import com.azure.identity.ClientSecretCredentialBuilder; +import com.azure.identity.ManagedIdentityCredential; +import com.azure.identity.ManagedIdentityCredentialBuilder; +import com.azure.storage.blob.BlobClient; +import com.azure.storage.blob.BlobContainerClient; +import com.azure.storage.blob.BlobServiceClient; +import com.azure.storage.blob.models.BlobErrorCode; +import com.azure.storage.blob.models.BlobProperties; +import com.azure.storage.blob.models.BlobRange; +import com.azure.storage.blob.models.BlobRequestConditions; +import com.azure.storage.blob.models.BlobStorageException; +import com.azure.storage.blob.models.BlockBlobItem; +import com.azure.storage.blob.options.BlobUploadFromUrlOptions; +import com.azure.storage.blob.options.BlockBlobCommitBlockListOptions; +import com.azure.storage.blob.options.BlockBlobStageBlockFromUrlOptions; +import com.azure.storage.blob.sas.BlobContainerSasPermission; +import com.azure.storage.blob.sas.BlobServiceSasSignatureValues; +import com.azure.storage.blob.specialized.BlockBlobClient; +import org.apache.nifi.annotation.behavior.InputRequirement; +import org.apache.nifi.annotation.behavior.InputRequirement.Requirement; +import org.apache.nifi.annotation.behavior.WritesAttribute; +import org.apache.nifi.annotation.behavior.WritesAttributes; +import org.apache.nifi.annotation.documentation.CapabilityDescription; +import org.apache.nifi.annotation.documentation.SeeAlso; +import org.apache.nifi.annotation.documentation.Tags; +import org.apache.nifi.annotation.lifecycle.OnScheduled; +import org.apache.nifi.annotation.lifecycle.OnStopped; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.util.StandardValidators; +import org.apache.nifi.processors.azure.AbstractAzureBlobProcessor_v12; +import org.apache.nifi.processors.azure.storage.utils.AzureStorageUtils; +import org.apache.nifi.services.azure.storage.AzureStorageConflictResolutionStrategy; +import org.apache.nifi.services.azure.storage.AzureStorageCredentialsDetails_v12; +import org.apache.nifi.services.azure.storage.AzureStorageCredentialsService_v12; +import org.apache.nifi.services.azure.storage.AzureStorageCredentialsType; +import reactor.core.publisher.Mono; + +import java.text.DecimalFormat; +import java.time.OffsetDateTime; +import java.time.ZoneOffset; +import java.time.temporal.ChronoUnit; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Base64; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.TimeUnit; + +import static com.azure.storage.blob.specialized.BlockBlobClient.MAX_STAGE_BLOCK_BYTES_LONG; +import static com.azure.storage.blob.specialized.BlockBlobClient.MAX_UPLOAD_BLOB_BYTES_LONG; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_BLOBNAME; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_BLOBTYPE; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_CONTAINER; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_ERROR_CODE; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_ETAG; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_IGNORED; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_LANG; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_MIME_TYPE; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_PRIMARY_URI; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_DESCRIPTION_TIMESTAMP; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_BLOBNAME; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_BLOBTYPE; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_CONTAINER; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_ERROR_CODE; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_ETAG; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_IGNORED; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_LANG; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_MIME_TYPE; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_PRIMARY_URI; +import static org.apache.nifi.processors.azure.storage.utils.BlobAttributes.ATTR_NAME_TIMESTAMP; + +@Tags({"azure", "microsoft", "cloud", "storage", "blob"}) +@SeeAlso({ListAzureBlobStorage_v12.class, FetchAzureBlobStorage_v12.class, DeleteAzureBlobStorage_v12.class, PutAzureBlobStorage_v12.class}) +@CapabilityDescription("Copies a blob in Azure Blob Storage from one account/container to another. The processor uses Azure Blob Storage client library v12.") +@InputRequirement(Requirement.INPUT_REQUIRED) +@WritesAttributes({@WritesAttribute(attribute = ATTR_NAME_CONTAINER, description = ATTR_DESCRIPTION_CONTAINER), + @WritesAttribute(attribute = ATTR_NAME_BLOBNAME, description = ATTR_DESCRIPTION_BLOBNAME), + @WritesAttribute(attribute = ATTR_NAME_PRIMARY_URI, description = ATTR_DESCRIPTION_PRIMARY_URI), + @WritesAttribute(attribute = ATTR_NAME_ETAG, description = ATTR_DESCRIPTION_ETAG), + @WritesAttribute(attribute = ATTR_NAME_BLOBTYPE, description = ATTR_DESCRIPTION_BLOBTYPE), + @WritesAttribute(attribute = ATTR_NAME_MIME_TYPE, description = ATTR_DESCRIPTION_MIME_TYPE), + @WritesAttribute(attribute = ATTR_NAME_LANG, description = ATTR_DESCRIPTION_LANG), + @WritesAttribute(attribute = ATTR_NAME_TIMESTAMP, description = ATTR_DESCRIPTION_TIMESTAMP), + @WritesAttribute(attribute = ATTR_NAME_LENGTH, description = ATTR_DESCRIPTION_LENGTH), + @WritesAttribute(attribute = ATTR_NAME_ERROR_CODE, description = ATTR_DESCRIPTION_ERROR_CODE), + @WritesAttribute(attribute = ATTR_NAME_IGNORED, description = ATTR_DESCRIPTION_IGNORED)}) +public class CopyAzureBlobStorage_v12 extends AbstractAzureBlobProcessor_v12 { + private final static int GENERATE_SAS_EXPIRY_HOURS = 24; + + public static final PropertyDescriptor SOURCE_STORAGE_CREDENTIALS_SERVICE = new PropertyDescriptor.Builder() + .name("source-storage-credentials-service") + .displayName("Source Storage Credentials") + .description("Controller Service used to obtain Azure Blob Storage Credentials to read blob data ") + .identifiesControllerService(AzureStorageCredentialsService_v12.class) + .required(true) + .build(); + + public static final PropertyDescriptor SOURCE_CONTAINER = new PropertyDescriptor.Builder() + .name("source-container-name") + .displayName("Source Container Name") + .description("Name of the Azure storage container to copy from.") + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(true) + .build(); + + public static final PropertyDescriptor SOURCE_BLOB_NAME = new PropertyDescriptor.Builder() + .name("source-blob-name") + .displayName("Source Blob Name") + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(true) + .addValidator(StandardValidators.NON_BLANK_VALIDATOR) + .description("The full name of the source blob") + .build(); + + public static final PropertyDescriptor DESTINATION_STORAGE_CREDENTIALS_SERVICE = new PropertyDescriptor.Builder() + .fromPropertyDescriptor(STORAGE_CREDENTIALS_SERVICE) + .displayName("Destination Storage Credentials") + .build(); + + public static final PropertyDescriptor DESTINATION_CONTAINER = new PropertyDescriptor.Builder() + .fromPropertyDescriptor(AzureStorageUtils.CONTAINER) + .displayName("Destination Container Name") + .description("Name of the Azure storage container to copy into; defaults to source container name.") + .required(false) + .build(); + + public static final PropertyDescriptor DESTINATION_BLOB_NAME = new PropertyDescriptor.Builder() + .fromPropertyDescriptor(BLOB_NAME) + .displayName("Destination Blob Name") + .description("The full name of the destination blob; defaults to source blob name.") + .required(false) + .build(); + + private static final List<PropertyDescriptor> PROPERTIES = Collections.unmodifiableList(Arrays.asList( + SOURCE_STORAGE_CREDENTIALS_SERVICE, + SOURCE_CONTAINER, + SOURCE_BLOB_NAME, + DESTINATION_STORAGE_CREDENTIALS_SERVICE, + DESTINATION_BLOB_NAME, + DESTINATION_CONTAINER, + AzureStorageUtils.CONFLICT_RESOLUTION, + AzureStorageUtils.CREATE_CONTAINER, + AzureStorageUtils.PROXY_CONFIGURATION_SERVICE + )); + + @Override + protected List<PropertyDescriptor> getSupportedPropertyDescriptors() { + return PROPERTIES; + } + + @OnScheduled + public void onScheduled(ProcessContext context) { + super.onScheduled(context); + } + + @OnStopped + public void onStopped() { + super.onStopped(); + } + + private static AzureStorageCredentialsService_v12 getCopyFromCredentialsService(ProcessContext context) { + return context.getProperty(SOURCE_STORAGE_CREDENTIALS_SERVICE).asControllerService(AzureStorageCredentialsService_v12.class); + } + + public void onTrigger(final ProcessContext context, final ProcessSession session) throws ProcessException { + FlowFile flowFile = session.get(); + if (flowFile == null) { + return; + } + + final String sourceContainerName = context.getProperty(SOURCE_CONTAINER).evaluateAttributeExpressions(flowFile).getValue(); + final String sourceBlobName = context.getProperty(SOURCE_BLOB_NAME).evaluateAttributeExpressions(flowFile).getValue(); + final String destinationContainerName = Optional.ofNullable( + context.getProperty(DESTINATION_CONTAINER).evaluateAttributeExpressions(flowFile).getValue() + ).orElse(sourceContainerName); + final String destinationBlobName = Optional.ofNullable( + context.getProperty(DESTINATION_BLOB_NAME).evaluateAttributeExpressions(flowFile).getValue() + ).orElse(sourceBlobName); + + final boolean createContainer = context.getProperty(AzureStorageUtils.CREATE_CONTAINER).asBoolean(); + final AzureStorageConflictResolutionStrategy conflictResolution = AzureStorageConflictResolutionStrategy.valueOf(context.getProperty(AzureStorageUtils.CONFLICT_RESOLUTION).getValue()); + + long startNanos = System.nanoTime(); + try { + BlobServiceClient storageClient = getStorageClient(context, DESTINATION_STORAGE_CREDENTIALS_SERVICE, flowFile); + BlobContainerClient containerClient = storageClient.getBlobContainerClient(destinationContainerName); + if (createContainer && !containerClient.exists()) { + containerClient.create(); + } + + BlobClient blobClient = containerClient.getBlobClient(destinationBlobName); + Map<String, String> attributes = new HashMap<>(); + applyStandardBlobAttributes(attributes, blobClient); + final boolean ignore = conflictResolution == AzureStorageConflictResolutionStrategy.IGNORE_RESOLUTION; + + final BlobRequestConditions destinationRequestConditions = new BlobRequestConditions(); + + try { + if (conflictResolution != AzureStorageConflictResolutionStrategy.REPLACE_RESOLUTION) { + destinationRequestConditions.setIfNoneMatch("*"); + } + + final AzureStorageCredentialsService_v12 fromCredentialsService = getCopyFromCredentialsService(context); + BlobServiceClient fromStorageClient = getStorageClient(context, SOURCE_STORAGE_CREDENTIALS_SERVICE, flowFile); + BlobContainerClient fromContainerClient = fromStorageClient.getBlobContainerClient(sourceContainerName); + BlobClient fromBlobClient = fromContainerClient.getBlobClient(sourceBlobName); Review Comment: I have replaced all occurances now in 6caaee05da2888ad5f2a36d4b8a157a88331e927. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
