Plug-in mechanism

Required

1. Go version 1.8(+)
2. Compile service-center with GO_EXTLINK_ENABLED=1 and CGO_ENABLED=1
3. The plugin file name must has suffix ‘_plugin.so’
4. All plugin interface files are in infra package

Plug-in names

1. auth, Customize authentication of service-center.
2. uuid, Customize micro-service/instance id format.
3. auditlog, Customize audit log for any change done to the service-center.
4. cipher, Customize encryption and decryption of TLS certificate private key password.
5. quota, Customize quota for instance registry.
6. tracing, Customize tracing data reporter.
7. tls, Customize loading the tls certificates in server

Example: an authentication plug-in

Step 1: code auth.go

auth.go is the implement from auth interface

package main

import (
    "fmt"
    "net/http"
)

func Identify(*http.Request) error {
	// do something
	return nil
}

Step 2: compile auth.go

GOPATH=$(pwd) go build -o auth_plugin.so -buildmode=plugin auth.go

Step 3: move the plug-in in plugins directory

mkdir ${service-center}/plugins
mv auth_plugin.so ${service-center}/plugins

Step 4: run service-center

cd ${service-center}
./servicecenter