Question 418951 in Azure Question posted in
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After importing an Azure Function app into API Management service, how do I view/edit the policy adding the generated host key authorizing calls?

I have imported an Azure Function app into Azure API Management service, which automatically generates a host key on the Function app for authorizing calls against it.

I would like to inspect the associated policy (if one exists) and edit it, but I can’t find it anywhere – it’s not shown in "Policy fragments".

How can I view/edit the policy that adds the generated function key to calls against the Function app?

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2

Answers


  1. 0

    I would start with checking Effective policy view to check if it’s added by the policy. I’m guessing this is the case.

    Select All operations or any operation, select the code view for policies and then select "calculate effective policy", this should show all the policies related to that operations.

    I’m guessing that’s either API level policy or Product level. Product policies can be checked and changed from Products-view and API lelve from "All operations" -level. There are also global policies but I don’t think tis’ there.

    Code view for policies
    Calculate effective policy

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  2. 0
    • Navigate to any operation which got added post importing a Function App in APIM. Lets say, in my case its HttpTrigger1. Then, click on Inbound processing policies –> </>.

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    • This will give you below policy.
    <policies>
    <inbound>
        <base />
        <set-backend-service id="apim-generated-policy" backend-id="afreeen-fa" />
    </inbound>
    <backend>
        <base />
    </backend>
    <outbound>
        <base />
    </outbound>
    <on-error>
        <base />
    </on-error>
</policies>
    • This policy signifies that, the operation is referring to a backend Id afreeen-fa which is created in APIs --> Backends blade of APIM instance.

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    • Click on the backend name and then navigate to Authorization credentials to access the x-function-key which is being passed in request header when you invoke an operation in APIM test console.

    • This is how APIM is storing the function key after importing a function app and using it via set-backend-service policy.

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    enter image description here

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