move plugin to util

util/plugin/plugin.go

@@ -0,0 +1,40 @@
+// Package plugin provides the ability to load plugins
+package plugin
+
+// Plugin is a plugin loaded from a file
+type Plugin interface {
+	// Load loads a .so plugin at the given path
+	Load(path string) (*Config, error)
+	// Build a .so plugin with config at the path specified
+	Build(path string, c *Config) error
+}
+
+// Config is the plugin config
+type Config struct {
+	// Name of the plugin e.g rabbitmq
+	Name string
+	// Type of the plugin e.g broker
+	Type string
+	// Path specifies the import path
+	Path string
+	// NewFunc creates an instance of the plugin
+	NewFunc interface{}
+}
+
+var (
+	// Default plugin loader
+	DefaultPlugin = NewPlugin()
+)
+
+// NewPlugin creates a new plugin interface
+func NewPlugin() Plugin {
+	return &plugin{}
+}
+
+func Build(path string, c *Config) error {
+	return DefaultPlugin.Build(path, c)
+}
+
+func Load(path string) (*Config, error) {
+	return DefaultPlugin.Load(path)
+}