Error using AutomationManagementClient with CertificateCloudCredentials

Question

I'm trying to start an azure runbook from a MVC app.

var cert = new X509Certificate2(Convert.FromBase64String(ConfigurationManager.AppSettings["CertBase64String"])); var creds = new CertificateCloudCredentials(ConfigurationManager.AppSettings["SubscriptionId"], cert); AutomationManagementClient automationManagementClient = new AutomationManagementClient(creds); var content = automationManagementClient.Runbooks.GetAsync(<Resource group name>, ConfigurationManager.AppSettings["AutomationAccount"], <Runbook name>)

I get this error:

AuthenticationFailed: Authentication failed. The 'Authorization' header is missing.

I got this code from MSDN but I can't seem to make it work. (The certificate is the one downloaded from here ).

I tried using TokenCloudCredentials from a Console app and that seems to work fine but I'm not sure if I can use those in the MVC app.

Any ideas how I should use AutomationManagementClient with certificate credentials? Or how to use TokenCloudCredentials in the web app?

Where do you get "CertBase64String"?

Ari Gunawan
– Ari Gunawan

2018-03-14 18:52:20 +00:00
Commented Mar 14, 2018 at 18:52 — Ari Gunawan
– Ari Gunawan, Commented Mar 14, 2018 at 18:52

Joe · Accepted Answer · 2016-05-23 21:35:29Z

1

The Automation SDK you are attempting to use uses Azure Resource Manager APIs, which do not support management certificate-based authentication. You will need to authenticate via TokenCloudCredentials. The documentation that shows management certificate support is incorrect and we will update it shortly.

answered May 23, 2016 at 21:35

Joe

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3 Comments

Anouke Over a year ago

Do you have an example for using this from a webapp?

Joe Over a year ago

No, but I think it should work. Even if it doesn't you could use webhooks to start runbooks instead. See azure.microsoft.com/en-us/documentation/articles/… for more details

Rainer Over a year ago

Joe, thank you for clarification. However, MSDN states that management certificate-based auth should work (msdn.microsoft.com/en-us/library/azure/mt465763.aspx): "If you are plan to use certificate-based authentication, update the SubscriptionId and CertBase64Stringvalues. Both these values are available in PublishSettings file." It would be great if MSDN docs could be updated accordingly.

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