jackkkkklee opened a new issue, #7404:
URL: https://github.com/apache/apisix/issues/7404
### Description
Hi, community!
I'd like to propose a discussion about supporting openfunction serverless
framework
1. Background：
OpenFunction is a cloud-native open source FaaS (Function as a Service)
platform aiming to let you focus on your business logic without having to
maintain the underlying runtime environment and infrastructure.
1.1 OpenFunction features include:
1. Cloud agnostic and decoupled with cloud providers' BaaS
2. Pluggable architecture that allows multiple function runtimes
3. Support both sync and async functions
4. Unique async functions support that can consume events directly from
event sources
5. Support generating OCI-Compliant container images directly from function
source code.
6. Flexible autoscaling between 0 and N
7. Advanced async function autoscaling based on event sources' specific
metrics
8. Simplified BaaS integration for both sync and async functions by
introducing Dapr
9. Advanced function ingress & traffic management powered by K8s Gateway API
(In Progress)
10. Flexible and easy-to-use events management framework
2. Implementation design
2.1 Objectives
Supports using functions in OpenFunction as routing "upstream" via plugins
to enable access to Faas functions.
2.2 name
The plugin is named openfunction, and the priority is -1902, ranking after
openwhisk
2.3 Test Environment
Prepare the kubernetes environment, download OFN, the CLI of openfunction
and execute the following command
“ofn install --all”
Then run openfunction samples according to the official documentation.
2.4 Authentication
At present, openfunction provides two function entries, one is advanced
function ingress & Traffic Management powered by k8s gateway API (in progress)
which has many authentication methods vary from different implementations. The
other is the default gateway
kourier(https://github.com/knative-sandbox/net-kourier) that supports external
auth.
Therefore, I think basic auth can be a default authentication method for
most of k8s gateways.
2.5 parameters
1. function_Uri
2. ssl_verify
3. service_token Description: By using basic auth , the token format is
'xx:xx'.Since openfunction does not require authentication, it is optional.
4. timeout
5. keepalive
6. keepalive_timeout
7. keepalive_pool
2.6 example
```
curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY:
edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
"plugins": {
"openfunction": {
"function_uri":
"http://localhost:30585/default/function-sample/world";,
"service_token": “foo:foo123”
}
},
"uri": "/gohello"
}'
```
```
POST http://localhost:30585/default/function-sample/world
Authentication: Basic xxxxx
{"payload":"Hello, world!"}
```
I would like to hear everyone's comments. Thanks!
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