| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package ingress |
| |
| import ( |
| "errors" |
| "fmt" |
| "github.com/apache/servicecomb-mesher/proxy/config" |
| "github.com/go-chassis/go-archaius" |
| ) |
| |
| //error in ingress package |
| var ( |
| ErrNotMatch = errors.New("no matching rule") |
| ) |
| var plugin = make(map[string]func() (RuleFetcher, error)) |
| |
| //RuleFetcher query ingress rule |
| type RuleFetcher interface { |
| Fetch(protocol, host, apiPath string, headers map[string][]string) (*config.IngressRule, error) |
| } |
| |
| //DefaultFetcher fetch config |
| var DefaultFetcher RuleFetcher |
| |
| //InstallPlugin install implementation |
| func InstallPlugin(name string, f func() (RuleFetcher, error)) { |
| plugin[name] = f |
| } |
| |
| //Init initialize |
| func Init() error { |
| t := archaius.GetString("mesher.ingress.type", "servicecomb") |
| f, ok := plugin[t] |
| if !ok { |
| return fmt.Errorf("do not support [%s]", t) |
| } |
| var err error |
| DefaultFetcher, err = f() |
| return err |
| } |