[GitHub] [nifi] turcsanyip commented on a change in pull request #5486: NIFI-9338: Add Azure Blob processors using Azure Blob Storage client …

2021-10-29 Thread GitBox


turcsanyip commented on a change in pull request #5486:
URL: https://github.com/apache/nifi/pull/5486#discussion_r739545995



##
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/AbstractAzureBlobProcessor_v12.java
##
@@ -0,0 +1,163 @@
+/*
+ * 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;
+
+import com.azure.core.credential.AzureSasCredential;
+import com.azure.identity.ClientSecretCredentialBuilder;
+import com.azure.identity.ManagedIdentityCredentialBuilder;
+import com.azure.storage.blob.BlobClient;
+import com.azure.storage.blob.BlobServiceClient;
+import com.azure.storage.blob.BlobServiceClientBuilder;
+import com.azure.storage.blob.models.BlobProperties;
+import com.azure.storage.common.StorageSharedKeyCredential;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.annotation.lifecycle.OnStopped;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.context.PropertyContext;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.processor.AbstractProcessor;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.util.StandardValidators;
+import 
org.apache.nifi.services.azure.storage.AzureStorageCredentialsDetails_v12;
+import 
org.apache.nifi.services.azure.storage.AzureStorageCredentialsService_v12;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+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_ETAG;
+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;
+
+public abstract class AbstractAzureBlobProcessor_v12 extends AbstractProcessor 
{
+
+public static final PropertyDescriptor STORAGE_CREDENTIALS_SERVICE = new 
PropertyDescriptor.Builder()
+.name("storage-credentials-service")
+.displayName("Storage Credentials")
+.description("Controller Service used to obtain Azure Blob Storage 
Credentials.")
+
.identifiesControllerService(AzureStorageCredentialsService_v12.class)
+.required(true)
+.build();
+
+public static final PropertyDescriptor BLOB_NAME = new 
PropertyDescriptor.Builder()
+.name("blob-name")
+.displayName("Blob Name")
+.description("The full name of the blob")
+.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+.required(true)
+.build();
+
+public static final Relationship REL_SUCCESS = new Relationship.Builder()
+.name("success")
+.description("All successfully processed FlowFiles are routed to 
this relationship")
+.build();
+public static final Relationship REL_FAILURE = new Relationship.Builder()
+.name("failure")
+.description("Unsuccessful operations will be transferred to the 
failure relationship.")
+.build();
+
+private static final Set RELATIONSHIPS = 
Collections.unmodifiableSet(new HashSet<>(Arrays.asList(
+REL_SUCCESS,
+REL_FAILURE
+)));
+
+private BlobServiceClient storageClient;
+
+@Override
+public Set 

[GitHub] [nifi] turcsanyip commented on a change in pull request #5486: NIFI-9338: Add Azure Blob processors using Azure Blob Storage client …

2021-10-29 Thread GitBox


turcsanyip commented on a change in pull request #5486:
URL: https://github.com/apache/nifi/pull/5486#discussion_r739545995



##
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/AbstractAzureBlobProcessor_v12.java
##
@@ -0,0 +1,163 @@
+/*
+ * 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;
+
+import com.azure.core.credential.AzureSasCredential;
+import com.azure.identity.ClientSecretCredentialBuilder;
+import com.azure.identity.ManagedIdentityCredentialBuilder;
+import com.azure.storage.blob.BlobClient;
+import com.azure.storage.blob.BlobServiceClient;
+import com.azure.storage.blob.BlobServiceClientBuilder;
+import com.azure.storage.blob.models.BlobProperties;
+import com.azure.storage.common.StorageSharedKeyCredential;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.annotation.lifecycle.OnStopped;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.context.PropertyContext;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.processor.AbstractProcessor;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.util.StandardValidators;
+import 
org.apache.nifi.services.azure.storage.AzureStorageCredentialsDetails_v12;
+import 
org.apache.nifi.services.azure.storage.AzureStorageCredentialsService_v12;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+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_ETAG;
+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;
+
+public abstract class AbstractAzureBlobProcessor_v12 extends AbstractProcessor 
{
+
+public static final PropertyDescriptor STORAGE_CREDENTIALS_SERVICE = new 
PropertyDescriptor.Builder()
+.name("storage-credentials-service")
+.displayName("Storage Credentials")
+.description("Controller Service used to obtain Azure Blob Storage 
Credentials.")
+
.identifiesControllerService(AzureStorageCredentialsService_v12.class)
+.required(true)
+.build();
+
+public static final PropertyDescriptor BLOB_NAME = new 
PropertyDescriptor.Builder()
+.name("blob-name")
+.displayName("Blob Name")
+.description("The full name of the blob")
+.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+.required(true)
+.build();
+
+public static final Relationship REL_SUCCESS = new Relationship.Builder()
+.name("success")
+.description("All successfully processed FlowFiles are routed to 
this relationship")
+.build();
+public static final Relationship REL_FAILURE = new Relationship.Builder()
+.name("failure")
+.description("Unsuccessful operations will be transferred to the 
failure relationship.")
+.build();
+
+private static final Set RELATIONSHIPS = 
Collections.unmodifiableSet(new HashSet<>(Arrays.asList(
+REL_SUCCESS,
+REL_FAILURE
+)));
+
+private BlobServiceClient storageClient;
+
+@Override
+public Set 

[GitHub] [nifi] turcsanyip commented on a change in pull request #5486: NIFI-9338: Add Azure Blob processors using Azure Blob Storage client …

2021-10-29 Thread GitBox


turcsanyip commented on a change in pull request #5486:
URL: https://github.com/apache/nifi/pull/5486#discussion_r739539239



##
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/test/java/org/apache/nifi/processors/azure/storage/AbstractAzureBlobStorage_v12IT.java
##
@@ -0,0 +1,137 @@
+/*
+ * 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.storage.blob.BlobClient;
+import com.azure.storage.blob.BlobContainerClient;
+import com.azure.storage.blob.BlobServiceClient;
+import com.azure.storage.blob.BlobServiceClientBuilder;
+import com.azure.storage.blob.models.BlobType;
+import com.azure.storage.common.StorageSharedKeyCredential;
+import org.apache.nifi.processors.azure.AbstractAzureBlobProcessor_v12;
+import org.apache.nifi.processors.azure.storage.utils.AzureStorageUtils;
+import org.apache.nifi.processors.azure.storage.utils.BlobAttributes;
+import 
org.apache.nifi.services.azure.storage.AzureStorageCredentialsControllerService_v12;
+import 
org.apache.nifi.services.azure.storage.AzureStorageCredentialsService_v12;
+import org.apache.nifi.util.MockFlowFile;
+import org.junit.After;
+import org.junit.Before;
+
+import java.io.ByteArrayInputStream;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+public abstract class AbstractAzureBlobStorage_v12IT extends 
AbstractAzureStorageIT {
+
+protected static final String BLOB_NAME = "blob1";
+protected static final byte[] BLOB_DATA = "0123456789".getBytes();
+
+protected static final String EL_CONTAINER_NAME = "az.containername";
+protected static final String EL_BLOB_NAME = "az.blobname";
+
+protected static final byte[] EMPTY_CONTENT = new byte[0];
+
+private static final String TEST_CONTAINER_NAME_PREFIX = 
"nifi-test-container";
+
+private BlobServiceClient storageClient;
+private BlobContainerClient containerClient;
+private String containerName;
+
+@Override
+protected void setUpCredentials() throws Exception {
+String serviceId = "credentials-service";
+AzureStorageCredentialsService_v12 service = new 
AzureStorageCredentialsControllerService_v12();
+runner.addControllerService(serviceId, service);
+runner.setProperty(service, 
AzureStorageCredentialsControllerService_v12.ACCOUNT_NAME, getAccountName());
+runner.setProperty(service, 
AzureStorageCredentialsControllerService_v12.ACCOUNT_KEY, getAccountKey());
+runner.enableControllerService(service);
+
+
runner.setProperty(AbstractAzureBlobProcessor_v12.STORAGE_CREDENTIALS_SERVICE, 
serviceId);
+}
+
+@Before
+public void setUpAzureBlobStorage_v12IT() {
+containerName = generateContainerName();
+
+runner.setProperty(AzureStorageUtils.CONTAINER, containerName);
+
+storageClient = createStorageClient();
+containerClient = storageClient.createBlobContainer(containerName);
+}
+
+@After
+public void tearDownAzureBlobStorage_v12IT() {
+containerClient.delete();
+}
+
+protected String generateContainerName() {
+return String.format("%s-%s", TEST_CONTAINER_NAME_PREFIX, 
UUID.randomUUID());
+}
+
+protected BlobServiceClient getStorageClient() {
+return storageClient;
+}
+
+protected BlobContainerClient getContainerClient() {
+return containerClient;
+}
+
+protected String getContainerName() {
+return containerName;
+}
+
+private BlobServiceClient createStorageClient() {
+return new BlobServiceClientBuilder()
+.endpoint("https://; + getAccountName() + 
".blob.core.windows.net")

Review comment:
   "endpointSuffix" property can now be configured in 
azure-credentials.PROPERTIES for the IT tests. If not specified, the default 
endpoint will be used.




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[GitHub] [nifi] turcsanyip commented on a change in pull request #5486: NIFI-9338: Add Azure Blob processors using Azure Blob Storage client …

2021-10-29 Thread GitBox


turcsanyip commented on a change in pull request #5486:
URL: https://github.com/apache/nifi/pull/5486#discussion_r739538440



##
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/services/azure/storage/AzureStorageCredentialsControllerService_v12.java
##
@@ -0,0 +1,151 @@
+/*
+ * 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.services.azure.storage;
+
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnEnabled;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.controller.AbstractControllerService;
+import org.apache.nifi.controller.ConfigurationContext;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.processors.azure.storage.utils.AzureStorageUtils;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Provides credentials details for Azure Blob processors
+ *
+ * @see AbstractControllerService
+ */
+@Tags({"azure", "microsoft", "cloud", "storage", "blob", "credentials"})
+@CapabilityDescription("Provides credentials for Azure Blob processors using 
Azure Blob Storage client library v12.")
+public class AzureStorageCredentialsControllerService_v12 extends 
AbstractControllerService implements AzureStorageCredentialsService_v12 {
+
+public static final String DEFAULT_ENDPOINT_SUFFIX = 
"blob.core.windows.net";
+
+public static final PropertyDescriptor ACCOUNT_NAME = new 
PropertyDescriptor.Builder()
+.fromPropertyDescriptor(AzureStorageUtils.ACCOUNT_NAME)
+.description(AzureStorageUtils.ACCOUNT_NAME_BASE_DESCRIPTION)
+.required(true)
+.expressionLanguageSupported(ExpressionLanguageScope.NONE)
+.build();
+
+public static final PropertyDescriptor ENDPOINT_SUFFIX = new 
PropertyDescriptor.Builder()
+.fromPropertyDescriptor(AzureStorageUtils.ENDPOINT_SUFFIX)
+.displayName("Endpoint Suffix")
+.description("Storage accounts in public Azure always use a common 
FQDN suffix. " +
+"Override this endpoint suffix with a different suffix in 
certain circumstances (like Azure Stack or non-public Azure regions).")
+.required(true)
+.defaultValue(DEFAULT_ENDPOINT_SUFFIX)
+.expressionLanguageSupported(ExpressionLanguageScope.NONE)
+.build();
+
+public static final PropertyDescriptor CREDENTIALS_TYPE = new 
PropertyDescriptor.Builder()
+.name("credentials-type")
+.displayName("Credentials Type")
+.description("Credentials type to be used for authenticating to 
Azure")
+.required(true)
+.allowableValues(AzureStorageCredentialsType.getAllowableValues())
+.defaultValue(AzureStorageCredentialsType.ACCOUNT_KEY.name())

Review comment:
   I would vote for SAS Token and have set it. Managed Identity is a more 
specific case when NiFi is running on an Azure VM.




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[GitHub] [nifi] turcsanyip commented on a change in pull request #5486: NIFI-9338: Add Azure Blob processors using Azure Blob Storage client …

2021-10-29 Thread GitBox


turcsanyip commented on a change in pull request #5486:
URL: https://github.com/apache/nifi/pull/5486#discussion_r739537848



##
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/services/azure/storage/AzureStorageCredentialsControllerService_v12.java
##
@@ -0,0 +1,151 @@
+/*
+ * 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.services.azure.storage;
+
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnEnabled;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.controller.AbstractControllerService;
+import org.apache.nifi.controller.ConfigurationContext;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.processors.azure.storage.utils.AzureStorageUtils;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Provides credentials details for Azure Blob processors
+ *
+ * @see AbstractControllerService
+ */
+@Tags({"azure", "microsoft", "cloud", "storage", "blob", "credentials"})
+@CapabilityDescription("Provides credentials for Azure Blob processors using 
Azure Blob Storage client library v12.")
+public class AzureStorageCredentialsControllerService_v12 extends 
AbstractControllerService implements AzureStorageCredentialsService_v12 {
+
+public static final String DEFAULT_ENDPOINT_SUFFIX = 
"blob.core.windows.net";

Review comment:
   Added AzureServiceEndpoints to provide endpoint suffix constants and 
methods to get endpoint urls.




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[GitHub] [nifi] turcsanyip commented on a change in pull request #5486: NIFI-9338: Add Azure Blob processors using Azure Blob Storage client …

2021-10-29 Thread GitBox


turcsanyip commented on a change in pull request #5486:
URL: https://github.com/apache/nifi/pull/5486#discussion_r739537444



##
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/DeleteAzureBlobStorage_v12.java
##
@@ -0,0 +1,135 @@
+/*
+ * 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.storage.blob.BlobClient;
+import com.azure.storage.blob.BlobContainerClient;
+import com.azure.storage.blob.BlobServiceClient;
+import com.azure.storage.blob.models.DeleteSnapshotsOptionType;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
+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.components.AllowableValue;
+import org.apache.nifi.components.PropertyDescriptor;
+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 java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+@Tags({ "azure", "microsoft", "cloud", "storage", "blob" })
+@SeeAlso({ ListAzureBlobStorage_v12.class, FetchAzureBlobStorage_v12.class, 
PutAzureBlobStorage_v12.class})
+@CapabilityDescription("Deletes the specified blob from Azure Blob Storage. 
The processor uses Azure Blob Storage client library v12.")
+@InputRequirement(Requirement.INPUT_REQUIRED)
+public class DeleteAzureBlobStorage_v12 extends AbstractAzureBlobProcessor_v12 
{
+
+public static final AllowableValue DELETE_SNAPSHOTS_NONE = new 
AllowableValue("NONE", "None", "Delete the blob only.");
+
+public static final AllowableValue DELETE_SNAPSHOTS_ALSO = new 
AllowableValue(DeleteSnapshotsOptionType.INCLUDE.name(), "Include Snapshots", 
"Delete the blob and its snapshots.");
+
+public static final AllowableValue DELETE_SNAPSHOTS_ONLY = new 
AllowableValue(DeleteSnapshotsOptionType.ONLY.name(), "Delete Snapshots Only", 
"Delete only the blob's snapshots.");
+
+public static final PropertyDescriptor DELETE_SNAPSHOTS_OPTION = new 
PropertyDescriptor.Builder()
+.name("delete-snapshots-option")
+.displayName("Delete Snapshots Option")
+.description("Specifies the snapshot deletion options to be used 
when deleting a blob.")
+.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+.allowableValues(DELETE_SNAPSHOTS_NONE, DELETE_SNAPSHOTS_ALSO, 
DELETE_SNAPSHOTS_ONLY)
+.defaultValue(DELETE_SNAPSHOTS_NONE.getValue())
+.required(true)
+.build();
+
+private static final List PROPERTIES = 
Collections.unmodifiableList(Arrays.asList(
+STORAGE_CREDENTIALS_SERVICE,
+AzureStorageUtils.CONTAINER,
+BLOB_NAME,
+DELETE_SNAPSHOTS_OPTION
+));
+
+@Override
+public List getSupportedPropertyDescriptors() {
+return PROPERTIES;
+}
+
+@Override
+public void onTrigger(ProcessContext context, ProcessSession session) 
throws ProcessException {
+FlowFile flowFile = session.get();
+if (flowFile == null) {
+return;
+}
+
+String containerName = 
context.getProperty(AzureStorageUtils.CONTAINER).evaluateAttributeExpressions(flowFile).getValue();
+String blobName = 
context.getProperty(BLOB_NAME).evaluateAttributeExpressions(flowFile).getValue();
+String deleteSnapshotsOption = 
context.getProperty(DELETE_SNAPSHOTS_OPTION).getValue();
+
+long startNanos = System.nanoTime();
+try {
+BlobServiceClient storageClient = getStorageClient();
+BlobContainerClient