driver(external): external driver manager init

Signed-off-by: Ansuman Sahoo <[email protected]>

Author: unsuman

pkg/registry/registry.go

@@ -7,16 +7,19 @@ import (
 	"sync"
 
 	"github.com/lima-vm/lima/pkg/driver"
+	"github.com/sirupsen/logrus"
 )
 
 type Registry struct {
-	drivers map[string]driver.Driver
-	mu      sync.RWMutex
+	drivers         map[string]driver.Driver
+	externalDrivers map[string]string // For now mapping external driver names to paths
+	mu              sync.RWMutex
 }
 
 func NewRegistry() *Registry {
 	return &Registry{
-		drivers: make(map[string]driver.Driver),
+		drivers:         make(map[string]driver.Driver),
+		externalDrivers: make(map[string]string),
 	}
 }
 
@@ -28,6 +31,10 @@ func (r *Registry) List() []string {
 	for name := range r.drivers {
 		names = append(names, name)
 	}
+
+	for name := range r.externalDrivers {
+		names = append(names, name+" (external)")
+	}
 	return names
 }
 
@@ -39,6 +46,32 @@ func (r *Registry) Get(name string) (driver.Driver, bool) {
 	return driver, exists
 }
 
+func (r *Registry) GetExternalDriver(name string) (string, bool) {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	plugin, exists := r.externalDrivers[name]
+	return plugin, exists
+}
+
+func (r *Registry) RegisterPlugin(name, path string) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+
+	if _, exists := r.externalDrivers[name]; exists {
+		logrus.Debugf("Plugin %q is already registered, skipping", name)
+		return
+	}
+
+	r.externalDrivers[name] = path
+	logrus.Debugf("Registered plugin %q at %s", name, path)
+}
+
+func (r *Registry) DiscoverPlugins() error {
+	// TODO: Implement plugin discovery logic
+	return nil
+}
+
 var DefaultRegistry *Registry
 
 func init() {