feat(embedded registry): allow to enable embedded registry (#675)

This is a simple way to enable Spegel with k3s by following
https://docs.k3s.io/installation/registry-mirror?_highlight=spegel .

Part of https://github.com/kairos-io/kairos/issues/3100

Signed-off-by: mudler <mudler@localai.io>

internal/provider/config/config.go

@@ -77,4 +77,5 @@ type K3s struct {
 	ReplaceArgs      bool              `yaml:"replace_args,omitempty"`
 	Args             []string          `yaml:"args,omitempty"`
 	Enabled          bool              `yaml:"enabled,omitempty"`
+	EmbeddedRegistry bool              `yaml:"embedded_registry,omitempty"`
 }

internal/role/p2p/master.go

@@ -81,6 +81,10 @@ func genArgs(pconfig *providerConfig.Config, ip, ifaceIP string) (args []string)
 		args = append(args, fmt.Sprintf("--tls-san=%s", ip), fmt.Sprintf("--node-ip=%s", ifaceIP))
 	}
 
+	if pconfig.K3s.EmbeddedRegistry {
+		args = append(args, "--embedded-registry")
+	}
+
 	return
 }