mirror of
https://github.com/umputun/reproxy.git
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7139c57766
* wip * resolve merge artifacts * full coverage for conductor * wire plugin conductor to main and proxy * wip, with separate match handler * split matching logic with another handler, add initial docs * move parts of proxy to handlers, add tests * add headers in to be sent to proxied url * merged from master * add example with docker compose * supress excesive debug reporting 0-9 disabled in docker * add plugin tests * randomize test port * lint: minor warns * lint: err shadow
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
package main
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import (
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"context"
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"log"
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"net/http"
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"github.com/umputun/reproxy/lib"
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)
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func main() {
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// create demo plugin on port 1234 with two methods: HeaderThing and ErrorThing
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// both called via RPC from reproxy core with fully formed lib.Request
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plugin := lib.Plugin{
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Name: "TestPlugin",
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Address: "plugin-example:1234",
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Methods: []string{"HeaderThing", "ErrorThing"},
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}
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log.Printf("start demo plugin")
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// Do starts the plugin listener and register with reproxy plugin conductor
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if err := plugin.Do(context.TODO(), "http://reproxy:8081", new(Handler)); err != nil {
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log.Fatal(err)
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}
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}
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// Handler is an example of middleware handler altering headers and stastus
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type Handler struct{}
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// HeaderThing adds key:val header to the response
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func (h *Handler) HeaderThing(req lib.Request, res *lib.Response) (err error) {
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log.Printf("req: %+v", req)
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res.HeadersOut = http.Header{}
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res.HeadersOut.Add("key", "val")
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res.HeadersIn = http.Header{}
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res.HeadersIn.Add("token", "something")
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res.StatusCode = 200 // each handler has to set status code
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return
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}
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// ErrorThing returns status 500 on "/fail" url. This terminated processing chain on reproxy side immediately
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func (h *Handler) ErrorThing(req lib.Request, res *lib.Response) (err error) {
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log.Printf("req: %+v", req)
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if req.URL == "/fail" {
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res.StatusCode = 500
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return
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}
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res.StatusCode = 200
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return
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}
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