how to use a json flow as input instead of a json file? about gomplate HOT 6 CLOSED

Hi @haiheipijuan - thanks for logging this!

By "json flow" I'm assuming you mean something like a file containing multiple separate JSON objects. If so, there's currently no way to do this - you'd have to pre-process this somehow.

Can you tell me more about your use case, and how you'd expect to be able to use an input like that?

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Hi @hairyhenderson , thanks for your reply!
My case is simple，I handle a http request and get the JSON body, now i have to store it to a file named xxx.json, then use the command gomplate -d xxx.json < xxx.tpl. So I want to know if there is a way to skip this step .

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Ah! I misunderstood 🙂

Yes, your use-case is possible, just use an HTTP URL as your datasource:

$ gomplate -d foo=https://foo.example.com/path/to/resource -f xxx.tpl
...

See https://gomplate.hairyhenderson.ca/functions/data/#usage-with-http-data for details.

Let me know if this answers your question! 🙂

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Just a follow-up note since it's not currently documented: if the HTTP server responds with a Content-Type header, gomplate will parse the reply accordingly. So, when the HTTP server is sending application/json as the Content-Type, it'll get parsed. If there is no Content-Type header, gomplate will fall back to the file extension in the URL.

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OK, I got it. Thank you very much!

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Closing since it seems the question has been answered.

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