Table of contents
- Introduction
- Create the storage account and manage identity.
- Secure access to the storage account with a key vault and key.
- Configure the storage account to use the customer-managed key in the key vault
- Configure a time-based retention policy and an encryption scope.4.
First, click on the link and follow the instructions from the cloud projects.
(https://microsoftlearning.github.io/Secure-storage-for-Azure-Files-and-Azure-Blob-Storage/Instructions/Labs/LAB_04_storage_web_app.html)
Introduction
Introduction
Setting up storage on the Azure portal is a crucial step when launching a new company app. This guide provides a clear, step-by-step process to configure storage that ensures your app's data is secure, scalable, and easily accessible. Whether you're managing user data or application resources, this guide equips you with the tools to support your app's success in a reliable cloud environment.
2.0. Create the storage account and managed identity.
2.1. Provide a storage account for the web app.
In the portal, search for and select Storage accounts.
Select + Create.
For the Resource group select Create New. Give your resource group a name and select OK to save your changes.
Provide a Storage account name. Ensure the name is unique and meets the naming requirements.
Move to the Encryption tab and check the box for Enable infrastructure encryption.
Notice the warning, This option cannot be changed after this storage account is created.
Select Review + Create.
Wait for the resource to deploy and go to resource.
2.2. Provide a managed identity for the web app to use.
Search for and select Managed identities and Select Create.
Select your resource group.
Give your managed identity a name.
Select Review and Create.
Go to the Resource.
2.3. Assign the correct permissions to the managed identity. The identity only needs to read and list containers and blobs.
Search for and select your storage account **and **select the Access Control (IAM) blade.
Select Add role assignment (center of the page).
On the Job functions roles page, search for and select the Storage Blob Data Reader role.
On the Members page, select Managed identity.
Select Select members, in the Managed identity drop-down select User-assigned managed identity, and select the managed identity you created in the previous step **.
.
**Click Select and then Review + assign the role.
Select Review + assign a second time to add the role assignment.
Your storage account can now be accessed by a managed identity with the Storage Data Blob Reader permissions.
.
3.0. Secure access to the storage account with a key vault and key.
3.1. To create the key vault and key needed for this part of the lab, your user account must have Key Vault Administrator permissions.
In the portal, search for and select Resource Groups.
Select your resource group, and then the Access Control (IAM) blade.
Select Add role assignment.
On the Job functions roles page, search for and select the Key Vault Administrator role.
On the Members page, select User, group, or service principal.
Select Select members.
Search for and select your user account. Your user account is shown in the top right of the portal.
Click Select and then Review + Assign.
Select Review + assign a second time to add the role assignment.
You are now ready to continue with the lab.
3.2. Create a key vault to store the access keys.
In the portal, search for and select Key Vaults.
Select Create.
Select your resource group.
Provide the name for the key vault. The name must be unique.
Ensure on the Access configuration tab that Azure role-based access control (recommended) is selected.
Select Review + Create.
Wait for the validation checks to complete and then select Create.
After the deployment, select Go to the resource.
On the Overview blade ensure both Soft-delete and Purge protection are enabled.
3.3. Create a customer-managed key in the key vault.
Select the Keys blade in your key vault in the Objects section.
Select Generate/Import and Name the key.
Take the defaults for the rest of the parameters, and Create the key.
4.0. Configure the storage account to use the customer-managed key in the key vault.
4.1. Before you can complete the next steps, you must assign the Key Vault Crypto Service Encryption User role to the managed identity.
In the portal, search for and select Resource Groups.
Select your resource group, and then the Access Control (IAM) blade.
Select Add role assignment.
On the Job functions roles page, search for and select the Key Vault Crypto Service Encryption User role.
On the Members page, select Managed identity.
Select Select members, in the Managed identity drop-down select User-assigned managed identity.
Select your managed identity.
Click Select and then Review + assign.
Select Review + assign a second time to add the role assignment.
4.2. Configure the storage account to use the customer-managed key in your key vault.
Return to your storage account.
In the Security + networking section, select the Encryption blade.
Select Customer-managed keys.
Select a key vault and key then Select your key vault and key.
Select to confirm your choices.
Ensure the Identity type is User-assigned.
Select an identity.
Select your managed identity then select Add.
Save your changes.
If you receive an error that your identity does not have the correct permissions, wait a minute and try again.
5.0. Configure a time-based retention policy and an encryption scope.
5.1. Navigate to your storage account.
In the Data storage section, select the Containers blade.
Create a container called hold. Take the defaults. Be sure to Create the container.
Upload a file to the container.
In the Settings section, select the Access policy blade.
In the Immutable Blob storage section, select + Add policy.
For the Policy type, select time-based retention, set the retention period to 5 days, and Save your changes.
Please try to delete the file in the container and verify that you are notified that you failed to delete blobs due to policy.
5.2. The developers require an encryption scope that enables infrastructure encryption.
Navigate back to your storage account, in the Security + networking blade, select Encryption.
In the Encryption scopes tab, select Add and give your encryption scope a name.
The Encryption type is Microsoft-managed key and set Infrastructure encryption to Enable and then create the encryption scope.
Return to your storage account and create a new container.
Notice on the New container page, there is the Name and Public access level.
Notice in the Advanced section you can select the Encryption scope you created and apply it to all blobs in the container.
In conclusion, providing storage for your new company app on the Azure portal is a straightforward process when broken into manageable steps. By leveraging Azure's powerful features and intuitive interface, you can ensure secure and efficient storage tailored to your app's needs. This guide aims to empower you to make informed decisions and optimize your cloud storage setup, setting a strong foundation for your app's success. Happy building!
