| /* |
| 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 plugin |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "github.com/apache/incubator-devlake/core/context" |
| "github.com/apache/incubator-devlake/core/errors" |
| ) |
| |
| // Allowing plugin to know each other |
| |
| var plugins map[string]PluginMeta |
| |
| func RegisterPlugin(name string, plugin PluginMeta) errors.Error { |
| if plugins == nil { |
| plugins = make(map[string]PluginMeta) |
| } |
| plugins[name] = plugin |
| return nil |
| } |
| |
| func GetPlugin(name string) (PluginMeta, errors.Error) { |
| if plugins == nil { |
| return nil, errors.Default.New("RegisterPlugin have never been called.") |
| } |
| if plugin, ok := plugins[name]; ok { |
| return plugin, nil |
| } |
| return nil, errors.Default.New(fmt.Sprintf("Plugin `%s` doesn't exist", name)) |
| } |
| |
| type PluginCallBack func(name string, plugin PluginMeta) errors.Error |
| |
| func TraversalPlugin(handle PluginCallBack) errors.Error { |
| for name, plugin := range plugins { |
| err := handle(name, plugin) |
| if err != nil { |
| return err |
| } |
| } |
| return nil |
| } |
| |
| func AllPlugins() map[string]PluginMeta { |
| return plugins |
| } |
| |
| func FindPluginNameBySubPkgPath(subPkgPath string) (string, errors.Error) { |
| for name, plugin := range plugins { |
| if strings.HasPrefix(subPkgPath, plugin.RootPkgPath()) { |
| return name, nil |
| } |
| } |
| return "", errors.Default.New(fmt.Sprintf("Unable to find plugin for subPkgPath %s", subPkgPath)) |
| } |
| |
| func InitPlugins(basicRes context.BasicRes) { |
| if basicRes == nil { |
| panic("basicRes is nil") |
| } else if basicRes.GetDal() == nil { |
| panic("basicRes.GetDal() return nil") |
| } |
| logger := basicRes.GetLogger() |
| logger.Info("start initialize plugins") |
| for pluginName, pluginMeta := range plugins { |
| if pluginEntry, ok := pluginMeta.(PluginInit); ok { |
| err := pluginEntry.Init(basicRes) |
| if err != nil { |
| panic(fmt.Errorf("failed to initialize plugin %v due to %w", pluginName, err)) |
| } |
| } else { |
| logger.Info("plugin: %s doesn't implement 'PluginInit', it will be skipped.", pluginName) |
| } |
| } |
| logger.Info("plugins initialized succesfully") |
| } |