Azure Web PubSub can access a key vault in a private network through shared private endpoint connections. This article shows you how to configure your Web PubSub resource to route outbound calls to a key vault through a shared private endpoint instead of through a public network.
Private endpoints of secured resources created through Azure Web PubSub APIs are called shared private link resources. You "share" access to a resource, such as an instance of Azure Key Vault, that is integrated with Azure Private Link. These private endpoints are created inside the Web PubSub execution environment and aren't directly visible to you.
Note
The examples in this article use the following resource IDs:
The resource ID of this Azure Web PubSub instance is _/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/contoso/providers/Microsoft.SignalRService/webpubsub/contoso-webpubsub.
The resource ID of the Azure Key Vault instance is /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/contoso/providers/Microsoft.KeyVault/vaults/contoso-kv.
To use the steps in the following examples, replace these values with your own subscription ID, the name of your Web PubSub resource, and the name of your Azure Key Vault resource.
The shared private endpoint resource provisioning state is Succeeded. The connection state is Pending and waiting for approval for the target resource.
Approve the private endpoint connection for the key vault
After the private endpoint connection is created, the connection request from Web PubSub must be approved in your Key Vault resource.
Azure portal
Azure CLI
In the Azure portal, go to your Key Vault resource.
On the left menu, select Networking.
Select Private endpoint connections.
Select the private endpoint that Web PubSub created.
Select Approve, and then select Yes to confirm.
It might take a few minutes for the private endpoint connection status to change to Approved.
It takes a few minutes for the approval to be propagated to Azure Web PubSub Service. You can check the state using either Azure portal or Azure CLI. The shared private endpoint between Azure Web PubSub Service and Azure Key Vault is active when the container state is approved.
Azure portal
Azure CLI
In the Azure portal, go to your Azure Web PubSub resource.
On the left menu, select Networking.
Select Shared private link resources.
Now you can configure features like a custom domain as you typically would. You don't have to use a special domain for your key vault. Web PubSub automatically handles Domain Name System (DNS) resolution.
Select Pipelines > Library, and then select + Variable group. Name your variable group, and then select the toggle button to enable the Link secrets from an Azure Key Vault as variable button. Select your Azure service connection you created earlier from the dropdown menu, and then select your key vault.
Select Pipelines > Library, and then select + Variable group. Name your variable group, and then select the toggle button to enable the Link secrets from an Azure Key Vault as variable button. Select your Azure service connection you created earlier from the dropdown menu, and then select your key vault.
Go to the Resource Group that contains your key vault.
Select Access control (IAM).
Select Add > Add role assignment to open the Add role assignment page.
Assign the following role. For detailed steps, see Assign Azure roles using the Azure portal. Setting. Value. Role. "Key Vault Reader" Assign access to. Current user.
So, in summary, Private Endpoint is like a VIP backstage pass that lets you access the Azure service directly and securely, while Service Endpoint is like a regular ticket that lets you access the service through the internet, but only if you are on the guest list.
Once that you receive the message that the key has been successfully created, you may click on it on the list. You can then see some of the properties and select Download public key to retrieve the key.
Azure Key Vault and Azure Key Vault Managed HSM are designed, deployed and operated such that Microsoft and its agents are precluded from accessing, using or extracting any data stored in the service, including cryptographic keys.
These two steps can be done in bash script. The VSO task creates a variable, which is called address. We can later use this variable to get access to the agents outgoing IP-address. Finally to open up the restrictions we can use Azure CLI task with proper ARM connection to access our Key Vault network rules.
In the Azure portal, navigate to the Key Vault resource. Select the permissions you want under Key permissions, Secret permissions, and Certificate permissions. Under the Principal selection pane, enter the name of the user, app or service principal in the search field and select the appropriate result.
To get a secret in Azure Key Vault, use the getSecret method of the SecretClient class. const name = 'mySecret'; const { name, properties, value } = await client. getSecret(secretName); This method returns the KeyVaultSecret object.
To access Azure Key Vault, you'll need an Azure subscription. If you don't already have a subscription, create a free account before you begin. All access to secrets takes place through Azure Key Vault. For this quickstart, create a key vault using the Azure portal, Azure CLI, or Azure PowerShell.
Sign in to the Azure portal and navigate to Key vaults > {key vault name} > Secrets. Select +Generate/Import. Set Upload options to Manual on the Create a secret page. Enter a name for your secret that will help you remember what application it is for, such as airtable-api .
Sign in to the Azure portal. In the search box at the top of the portal, enter Private Link. In the search results, select Private link. In the Private Link Center, select Private endpoints or Private link services.
Introduction: My name is Fr. Dewey Fisher, I am a powerful, open, faithful, combative, spotless, faithful, fair person who loves writing and wants to share my knowledge and understanding with you.
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