# Azure Writer

Azure is a cloud computing platform and service. It provides a range of cloud services, including infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) offerings, as well as tools for building, deploying, and managing applications in the cloud.

Azure Writer task is used to write the data in the Azure Blob Container.

**Please follow the below steps to configure the meta information of Azure Writer:**

<figure><img src="https://content.gitbook.com/content/c39ZvXI46qjXzpN3rYAg/blobs/Fct9WedyLV5Cd8L6DnhI/image.png" alt=""><figcaption><p>Azure Writer Task</p></figcaption></figure>

### Configuring the Meta Information tab fields <a href="#configuring-the-over-all-meta-information-tab-fields" id="configuring-the-over-all-meta-information-tab-fields"></a>

* **Write using:** There are three(3) options available under this tab:
  1. **Shared Access Signature:**
  2. **Secret Key**
  3. **Principal Secret**&#x20;

## Read using **Shared Access Signature:**

**Provide the following details:**

1. **Shared Access Signature:** This is a URI that grants restricted access rights to Azure Storage resources.
2. **Account Name:** Provide the Azure account name.
3. **Container:** Provide the container name from where the blob is located.\
   A container is a logical unit of storage in Azure Blob Storage that can hold blobs. It is similar to a directory or folder in a file system, and it can be used to organize and manage blobs.
4. **Blob Name:** Enter the Blob name.\
   A blob is a type of object storage that is used to store unstructured data, such as text or binary data, like images or videos.
5. **File Format:** There are four(4) types of file extensions are available under it, select the file format in which the data has to be written:
   * CSV
   * JSON&#x20;
   * PARQUET
   * AVRO
6. **Save Mode:** Select the Save mode from the drop down.
   * Append
   * Overwrite
7. **Schema File Name:** Upload spark schema file in JSON format.

## Read using Secret Key Option:

<figure><img src="https://content.gitbook.com/content/c39ZvXI46qjXzpN3rYAg/blobs/Gh5S74kT5elE4p9mKqTM/image.png" alt=""><figcaption><p>Read using Secret Key</p></figcaption></figure>

* **Account Key:** Enter the azure account key. In Azure, an account key is a security credential that is used to authenticate access to storage resources, such as blobs, files, queues, or tables, in an Azure storage account.
* **Account Name:** Provide the Azure account name.
* **Container:** Provide the container name from where the blob is located.\
  A container is a logical unit of storage in Azure Blob Storage that can hold blobs. It is similar to a directory or folder in a file system, and it can be used to organize and manage blobs.
* **Blob Name:** Enter the Blob name.\
  A blob is a type of object storage that is used to store unstructured data, such as text or binary data, like images or videos.
* **File type:** There are four(4) types of file extensions are available under it:
  * CSV
  * JSON&#x20;
  * PARQUET
  * AVRO
* **Schema File Name:** Upload spark schema file in JSON format.
* **Save Mode:** Select the Save mode from the drop down.
  * Append
  * Overwrite

## Read using Principal Secret:

<figure><img src="https://content.gitbook.com/content/c39ZvXI46qjXzpN3rYAg/blobs/F4USbXBxVURniDZBk9Jv/image.png" alt=""><figcaption><p>Reading using Principal Secret</p></figcaption></figure>

**Provide the following details:**

1. **Client ID:** Provide Azure Client ID.\
   The client ID is the unique Application (client) ID assigned to your app by Azure AD when the app was registered.
2. **Tenant ID:** Provide the Azure Tenant ID.\
   Tenant ID (also known as Directory ID) is a unique identifier that is assigned to an Azure AD tenant, which represents an organization or a developer account. It is used to identify the organization or developer account that the application is associated with.
3. **Client Secret:** Enter the Azure Client Secret.\
   Client Secret (also known as Application Secret or App Secret) is a secure password or key that is used to authenticate an application to Azure AD.
4. **Account Name:** Provide the Azure account name.
5. **Container:** Provide the container name from where the blob is located.\
   A container is a logical unit of storage in Azure Blob Storage that can hold blobs. It is similar to a directory or folder in a file system, and it can be used to organize and manage blobs.
6. **Blob Name:** Enter the Blob name.\
   A blob is a type of object storage that is used to store unstructured data, such as text or binary data, like images or videos.
7. **File type:** There are four(4) types of file extensions are available under it:
   * CSV
   * JSON&#x20;
   * PARQUET
   * AVRO
8. **Save Mode:** Select the Save mode from the drop down.
   * Append
   * Overwrite
9. **Schema File Name:** Upload spark schema file in JSON format.