How to reach rest api via proxy by using cURL in eventing function

Eventing
1

How to pass Proxy url and proxy port to reach external API from eventing function?

To elaborate more using URL Alias from Bindings to pass the domain name like https://example.com/api

and using below code for calling external URL
var request = {
headers: {
‘Content-Type’: ‘application/json’
},
body: {
“xx”: “yy”
}
};
var response = curl(‘POST’, Rest_Url, request);

where Rest_Url is the binding url (https://example.com/api)

now the Eventing node is behind the proxy how to pass the poxy url and proxy port while calling Rest_Url here ?

@jon.strabala , any clue ?

2

Without seeing your binding or knowing about you you proxy setup and having actaul URL http v https it is hard to advise. If I assume you are going to https://example.com/api we definitely have a TLS connection.

Now in basic curl I think you would need to do

curl -k -x http://myproxy.com:8080 \
    -X POST https://example.com/api \
   -H "Content-Type: application/json" \
   -d '{"xx": "yy"}'

where
-x or --proxy: Specifies the proxy server you want to use.
-k allows connect without verifying the SSL certificate

I am thinking you need to use URL rewriting at your proxy, but I will do further research.

3

@surya,

I’m sorry but Eventing can not natively support a proxy, you will need an external module or more heavy weight a use webserver like nginx in a reverse proxy. We have opened an improvement ticket.

However if you ask your direct sales / field support channel to open a CBSE requesting this feature “Proxy support for Eventing” it will help prioritize implementation and release of the feature.

Best

Jon Strabala
Principal Product Manager - Server‌

4

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