I have a Console application right now that's pulling in some API key's from Azure Key Vault. This console app is a service that's going to be run nightly on a local Windows Server instance.
I'm not sure where to store the Azure Client Secret. Right now it's in app settings.json however Microsoft notes that this shouldn't be stored in plain text but I'm at a loss as where I should store it in production.
Check the below steps to create new client secret and store/update the values in Azure Key Vault.
In Azure Portal, Navigate to the Azure Active Directory => App Registrations .
If you have already deployed your Console App, then you can find the deployed ap name in the App Registrations.
If you don't find, click on New App Registration .
Create client secret
Navigate to your Application from App registration =>Certificates & secrets => click on New client secret.
Copy the Secret ID for later use (need to update this value for Key Vault secret value).
Storing the Client secret in Azure Key Vault
Navigate to your Azure Key Vault.
You can update the value of the existing Key Vault or create new one and use it.
Iam creating the new secret.
Navigate to your Key Vault => Secrets => click on Generate /Import.
Paste the Secret ID from previous step in place of Secret value.
Newly created Secret
Copy the Secret Identifier from the newly created secret (this has to be updated in Azure App Service=> Configuration App Settings).
Deploy your Console App to Azure App Service.
Navigate to your Azure App Service => Configuration => Application Settings.
Add the new Application Settings with the Secret Identifier Value.
References taken from MSDoc
Related
I have:
Azure App Service with a Docker container running in it. Inside the Docker container, there is a Python FastAPI Web App.
Azure Key Vault with some App specific secrets in it (e.g. Public API Client Secret for a side service to send requests to)
I'm trying to set secrets to the App.
There are several examples when an app directly reads the secrets from Key Vault (e.g. official MS documentation), but I believe the provisioning should not be the responsibility of the App.
Probably, secrets should be set as environment variables with the CD pipeline (correct me if it's a bad idea). Otherwise, the App knows details about the infrastructure where it's running, which, I guess, is not the best practice.
Is there a proper way to provision Key Vault secrets to the App environment?
I tried to reproduce the same issue in my environment and got the below results
I have created the app service
The azure key vaults supplies a way to store keys & secrets outside of an application, Using access polices we can allow the application to access the keys with in keyvault
To access the keyvault as a environment variables in the azure app service we have to setup the polices mentioned as below
In the app services => identity => click on status is ON
Go to the keyvault and the polices settings click on add polices
And the access polices page set any permissions for keys and secrets
In the select principal page search for the app service name and select then the app service can access as a environment variables
After that we have to add specific secrets in the app service and copy its in secret identifier as below format
#microsoft.keyvault(secretUri={secret url from the keyvault})
After adding the secret it will look like as below
By following the above steps we can access the secrets as a environment variables
I am using Azure Web App service. Currently, I am storing the plain connection string to the database, Azure storage in the Application Settings section in the configuration tab of the Web App Service.
Instead of storing the plain connection string in configuration. How can I store the connection string in Azure Vault, then reference it in the Application setting so that the plain connection string are not stored in the configuration settings?
There are two ways to reference Key Vault in Azure Web Apps. You can do a complete reference:
#Microsoft.KeyVault(SecretUri=https://myvault.vault.azure.net/secrets/mysecret/)
Or you can use the alterative:
#Microsoft.KeyVault(VaultName=myvault;SecretName=mysecret)
In order to read secrets from Key Vault, you need to have a vault created and give your app permission to access it.
Create a key vault by following the Key Vault quickstart.
Create a managed identity for your application.
Key Vault references will use the app's system assigned identity by default, but you can specify a user-assigned identity.
Create an access policy in Key Vault for the application identity you created earlier. Enable the "Get" secret permission on this policy. Do not configure the "authorized application" or applicationId settings, as this is not compatible with a managed identity.
Full steps on setting this up:
https://learn.microsoft.com/en-us/azure/app-service/app-service-key-vault-references
I have my database connection string stored in Azure Key Vault as a secret. My SSIS package which is on-premises needs to read connection string from Azure Key Vault.
Usually, when I configure my SSIS package, I configure my connection string at development time and wondering how I can connect Azure Key Vault and consume a secret.
We can connect to Azure key vault from SSIS using ZappySys(Rest API Task).
Need to have below Azure key vault related information.
App registration name
Client ID
App Client Secret
Redirect URI
SecretName
subscription
I am trying to fetch secret values from azure key vault in Azure App Service.
My App Service has a managed identity
In the Azure Key vault, this managed identity is added under 'Role assignments' as 'Key vault contributor'
Also access policies has been added in azure key vault to give 'Get' permission to the AppServices's managed identity
Now in my c# code, I am trying to get the value of the AppSetting element using the code
ConfigurationManager.AppSettings['something'];
In my azure app service, under app settings, I have added the a key with name 'something' and it has the value pointing to the reference of the Key Vault as below:
#Microsoft.KeyVault(SecretUri=https://myvault.vault.azure.net/secrets/mysecret/ec96f02080254f109c51a1f14cdb1931)
Now I am able to retrieve the value from the appsettings, but instead of the actual value, it is pulling the output as #Microsoft.KeyVault(SecretUri=https://myvault.vault.azure.net/secrets/mysecret/c96f02080254f109c51a1f1cdb1931)
I am expecting the output to be value that I have set, not the keyvault reference string itself.
I am using .Net MVC 4.7 web app
As junnas said, you just add webapp's MSI in key vault Access policy.
1.Turn on webapp System-assign managed identity.
2.Add the identity into keyvault Access policy with secret Get permission.
3.Add the reference of the Key Vault into webapp Application settings.
4.Use Environment.GetEnvironmentVariable("AppsettingName"); to get the secret vaule.
Here is the output:
Actually i figured out that even using ConfiguraionManager.AppSettings["keyname"] also works fine. In my case, i had done everything as listed above , but had enabled "Slot Deployment" option in Connection string configuration in App Service. Once i enabled, now i am able to access my key vault secrets.
I am following directions here for learning the AzureKeyVault config settings
Key Vault Configuration Provider sample application (ASP.NET Core 2.x)
This sample illustrates the use of the Azure Key Vault Configuration
Provider for ASP.NET Core 2.x. For the ASP.NET Core 1.x sample, see
Key Vault Configuration Provider sample application (ASP.NET Core
1.x).
For more information on how the sample works, see the Azure Key Vault
configuration provider topic.
Using the sample
Create a key vault and set up Azure Active Directory (Azure AD) for the application following the guidance in Get started with Azure Key
Vault.
Add secrets to the key vault using the AzureRM Key Vault PowerShell Module available from the
PowerShell
Gallery,
the Azure Key Vault REST API, or the Azure
Portal. Secrets are created as either
Manual or Certificate secrets. Certificate secrets are certificates for use by apps and services but are not supported by the
configuration provider. You should use the Manual option to create
name-value pair secrets for use with the configuration provider.
Simple secrets are created as name-value pairs. Azure Key Vault secret names are limited to alphanumeric characters and dashes.
Hierarchical values (configuration sections) use -- (two dashes) as a separator in the sample. Colons, which are normally used
to delimit a section from a subkey in ASP.NET Core
configuration, aren't allowed
in secret names. Therefore, two dashes are used and swapped for a
colon when the secrets are loaded into the app's configuration.
Create two Manual secrets with the following name-value pairs. The first secret is a simple name and value, and the second
secret creates a secret value with a section and subkey in the secret
name:
SecretName: secret_value_1
Section--SecretName: secret_value_2
Register the sample app with Azure Active Directory.
Authorize the app to
access the key vault. When you use the
Set-AzureRmKeyVaultAccessPolicy PowerShell cmdlet to authorize the
app to access the key vault, provide List and Get access to
secrets with -PermissionsToSecrets list,get.
Update the app's appsettings.json file with the values of Vault, ClientId, and ClientSecret.
Run the sample app, which obtains its configuration values from IConfigurationRoot with the same name as the secret name. *
Non-hierarchical values: The value for SecretName is obtained with
config["SecretName"]. * Hierarchical values (sections): Use :
(colon) notation or the GetSection extension method. Use either of
these approaches to obtain the configuration value:
config["Section:SecretName"]
config.GetSection("Section")["SecretName"]
Okay so I have copied the name of my application into Azure Active Directory as an 'Enterprise Application'. And I have added 'Access policies' for 'get' and 'list' in Azure for my ADD object I just created. Yet I get this error in the program when attempting to start the application:
Exception: {"error":"unauthorized_client","error_description":"AADSTS70001:
Application with identifier '(guid)' was not found in the directory ...(continues)
Update 8-4-18
Okay I found out that Azure uses the 'ClientId' and 'ClientSecret' in the local appsettings.json to connect to what Azure registers in this tutorial: https://learn.microsoft.com/en-us/azure/azure-resource-manager/resource-group-create-service-principal-portal#log-in-as-the-application
I get the clientId in appsettings.json from the applicationId on ADD I create with ADD>App Registrations>New
I click settings in ADD on the app I just created and create a key with an expiration to store as ClientSecret in appsettings.json.
I change my 'Vault' in appsettings to my named vault.
I run the powershell above to give access or else do it in ADD.
So now I am getting a simpler error:
'Microsoft.Azure.KeyVault.Models.KeyVaultErrorException: 'Access denied''
I have tried running as Administrator in Visual Studio. I went under Subscriptions in Azure>Access Control>(IAM)>set my new apps to Reader.
So the reason your powershell is failing is because you are trying to assign a User Principal - a user - when actually you want a Service Principal.
I can’t see your C# to support more there than saying when you use the SDK to log in as the Service Principal you use the application id of the Application/Service Principal (its the same id).
The service principal acts like a user in the local directory but you log in as the application.
Edit:
I looked at the example you posted and ran it myself and had very similar problems. However I have got it working. Here's the steps:
Creating the Application
Create the Registered Application. I do this through the Azure Portal so
a Service Principal is created automatically. Make a note of the ApplicationId.
Generate a key credential on the created application and make a note of it.
In the Application click on the link to the Managed app in local directory. This is the Service Principal, make a note of the ObjectId
Creating the Key Vault
Create KeyVault - I used PowerShell to do this. New-AzureRmKeyVault
Apply the Service Principal to the Key Vault.
Set-AzureRmKeyVaultAccessPolicy -VaultName <vault> -ResourceGroupName <ResourceGroupName> -ObjectId <Object Id of the Created Service Principal> -PermissionsToSecrets Get,List
Running the Sample App
In your application settings follow this format:
{
"Vault": <the name of your vault>,
"ClientId": <ApplicationId of the Registered Application>,
"ClientSecret": <Credential generated from the Registered Application>
}
This worked for me and allowed me to run the sample and retrieve the secrets from the vault.
The ultimate problem for me became that running 'Set-AzureRmKeyVaultAccessPolicy' was not needed and for whatever reason it was easier to just ignore it and follow this subsection: https://azure.microsoft.com/documentation/articles/key-vault-get-started/#authorize
I kept trying to set up Object Id and Keys and really I had just overlooked a section mentioning a 'ServerPrincipalName'
They set one commandlet for keys
Set-AzureRmKeyVaultAccessPolicy -VaultName '<vaultName>' -ServicePrincipalName <ApplicationIdGuid> -PermissionsToKeys decrypt,sign
They set one commandlet for secrets
Set-AzureRmKeyVaultAccessPolicy -VaultName '<vaultName>' -ServicePrincipalName <ApplicationIdGuid> -PermissionsToSecrets Get, List
But I decided to follow the immediate proceeding section on doing it all in the Portal. The key take away for me was that the instructions were not wrong. Just vague when it says: "Register a sample app" then "Authorize the App". Really they should be saying
Register a sample app (https://learn.microsoft.com/en-us/azure/key-vault/key-vault-get-started#register)
Authorize the app with Key Vault (https://azure.microsoft.com/documentation/articles/key-vault-get-started/#authorize)
Ultimately all the information is there it was just confusing if you happen to already have a vault and an application and don't understand the prerequisite is that really you need to have a 1. A Vault, 2. An ADD Web Application, 3. Associate permissions for 2 in 1.