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- kernel/plugin: 定义 Plugin 接口（Metadata/FxOption/SetupRoutes/Init） - kernel/plugin: 全局 Registry（Register/All/InitAll/Reset） - modules/example: 完整 4 层示例插件，实现 Plugin 接口 - config: 新增 PluginConfig（enabled 列表） - app.go: 集成插件系统 — fx.Invoke 注册 + plugin.All() 路由 + InitAll 生命周期
53 lines
987 B
Go
53 lines
987 B
Go
package plugin
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import (
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"fmt"
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"sync"
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"go.uber.org/zap"
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)
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var (
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registry []Plugin
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mu sync.RWMutex
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)
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// Register adds a plugin to the global registry.
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// Typically called in init() or during application bootstrap.
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func Register(p Plugin) {
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mu.Lock()
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defer mu.Unlock()
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registry = append(registry, p)
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}
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// All returns a copy of all registered plugins.
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func All() []Plugin {
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mu.RLock()
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defer mu.RUnlock()
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out := make([]Plugin, len(registry))
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copy(out, registry)
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return out
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}
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// InitAll initializes all registered plugins in order.
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func InitAll(log *zap.Logger) error {
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for _, p := range All() {
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meta := p.Metadata()
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log.Info("initializing plugin",
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zap.String("name", meta.Name),
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zap.String("version", meta.Version),
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)
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if err := p.Init(); err != nil {
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return fmt.Errorf("plugin %s init failed: %w", meta.Name, err)
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}
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}
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return nil
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}
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// Reset clears the registry. Used in tests only.
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func Reset() {
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mu.Lock()
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defer mu.Unlock()
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registry = nil
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}
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