Add pluggable live collectors and simplify API connect form

internal/collector/registry.go

@@ -0,0 +1,37 @@
+package collector
+
+import "sync"
+
+type Registry struct {
+	mu         sync.RWMutex
+	connectors map[string]Connector
+}
+
+func NewRegistry() *Registry {
+	return &Registry{
+		connectors: make(map[string]Connector),
+	}
+}
+
+func NewDefaultRegistry() *Registry {
+	r := NewRegistry()
+	r.Register(NewRedfishConnector())
+	r.Register(NewIPMIMockConnector())
+	return r
+}
+
+func (r *Registry) Register(connector Connector) {
+	if connector == nil {
+		return
+	}
+	r.mu.Lock()
+	r.connectors[connector.Protocol()] = connector
+	r.mu.Unlock()
+}
+
+func (r *Registry) Get(protocol string) (Connector, bool) {
+	r.mu.RLock()
+	connector, ok := r.connectors[protocol]
+	r.mu.RUnlock()
+	return connector, ok
+}