| /* |
| * 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 grc |
| |
| import ( |
| "context" |
| |
| model "github.com/apache/servicecomb-service-center/pkg/gov" |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| "github.com/apache/servicecomb-service-center/server/config" |
| ) |
| |
| const ( |
| ConfigDistributorKie = "kie" |
| ConfigDistributorIstio = "istio" |
| ConfigDistributorMock = "mock" |
| ) |
| |
| type NewDistributors func(opts config.DistributorOptions) (ConfigDistributor, error) |
| |
| var distributors = map[string]ConfigDistributor{} |
| var distributorPlugins = map[string]NewDistributors{} |
| |
| // ConfigDistributor persist and distribute Governance policy |
| // typically, a ConfigDistributor interact with a config server, like ctrip apollo, kie. |
| // or service mesh system like istio, linkerd. |
| // ConfigDistributor will convert standard servicecomb gov config to concrete spec, that data plane can recognize. |
| type ConfigDistributor interface { |
| Create(ctx context.Context, kind, project string, policy *model.Policy) ([]byte, error) |
| Update(ctx context.Context, kind, id, project string, p *model.Policy) error |
| Delete(ctx context.Context, kind, id, project string) error |
| Display(ctx context.Context, project, app, env string) ([]byte, error) |
| List(ctx context.Context, kind, project, app, env string) ([]byte, error) |
| Get(ctx context.Context, kind, id, project string) ([]byte, error) |
| Type() string |
| Name() string |
| } |
| |
| // InstallDistributor install a plugin to distribute and persist config |
| func InstallDistributor(t string, newDistributors NewDistributors) { |
| distributorPlugins[t] = newDistributors |
| } |
| |
| // Init create distributors according to gov config. |
| // it may creates multiple distributors. and distribute policy one by one |
| func Init() error { |
| for name, opts := range config.GetGov().DistMap { |
| opts.Name = name |
| f, ok := distributorPlugins[name] |
| if !ok { |
| log.Warn("unsupported plugin " + opts.Type) |
| continue |
| } |
| cd, err := f(opts) |
| if err != nil { |
| log.Error("can not init config distributor", err) |
| return err |
| } |
| distributors[name+"::"+opts.Type] = cd |
| } |
| return nil |
| } |
| |
| func Create(ctx context.Context, kind, project string, spec *model.Policy) ([]byte, error) { |
| for _, cd := range distributors { |
| return cd.Create(ctx, kind, project, spec) |
| } |
| return nil, nil |
| } |
| |
| func List(ctx context.Context, kind, project, app, env string) ([]byte, error) { |
| for _, cd := range distributors { |
| return cd.List(ctx, kind, project, app, env) |
| } |
| return nil, nil |
| } |
| |
| func Display(ctx context.Context, project, app, env string) ([]byte, error) { |
| for _, cd := range distributors { |
| return cd.Display(ctx, project, app, env) |
| } |
| return nil, nil |
| } |
| |
| func Get(ctx context.Context, kind, id, project string) ([]byte, error) { |
| for _, cd := range distributors { |
| return cd.Get(ctx, kind, id, project) |
| } |
| return nil, nil |
| } |
| |
| func Delete(ctx context.Context, kind, id, project string) error { |
| for _, cd := range distributors { |
| return cd.Delete(ctx, kind, id, project) |
| } |
| return nil |
| } |
| |
| func Update(ctx context.Context, kind, id, project string, p *model.Policy) error { |
| for _, cd := range distributors { |
| return cd.Update(ctx, kind, id, project, p) |
| } |
| return nil |
| } |