Add multi docker command

util/network/network.go

@@ -10,6 +10,7 @@ import (
 
 	yaml "github.com/cloudfoundry-incubator/candiedyaml"
 
+	composeConfig "github.com/docker/libcompose/config"
 	"github.com/rancher/os/config"
 	"github.com/rancher/os/log"
 )
@@ -165,3 +166,30 @@ func LoadServiceResource(name string, useNetwork bool, cfg *config.CloudConfig)
 
 	return nil, err
 }
+
+func LoadMultiEngineResource(name string) ([]byte, error) {
+	composeConfigs := map[string]composeConfig.ServiceConfigV1{}
+	if _, err := os.Stat(config.MultiDockerConfFile); err == nil {
+		multiEngineBytes, err := ioutil.ReadFile(config.MultiDockerConfFile)
+		if err != nil {
+			return nil, err
+		}
+		err = yaml.Unmarshal(multiEngineBytes, &composeConfigs)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	if _, ok := composeConfigs[name]; !ok {
+		return nil, errors.New("Failed to found " + name + " from " + config.MultiDockerConfFile + " will load from network")
+	}
+
+	foundServiceConfig := map[string]composeConfig.ServiceConfigV1{}
+	foundServiceConfig[name] = composeConfigs[name]
+	bytes, err := yaml.Marshal(foundServiceConfig)
+	if err == nil {
+		return bytes, err
+	}
+
+	return nil, err
+}