Migrate Sirupsen to sirupsen.

vendor/github.com/docker/cli/opts/network.go

@@ -0,0 +1,106 @@
+package opts
+
+import (
+	"encoding/csv"
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+const (
+	networkOptName  = "name"
+	networkOptAlias = "alias"
+	driverOpt       = "driver-opt"
+)
+
+// NetworkAttachmentOpts represents the network options for endpoint creation
+type NetworkAttachmentOpts struct {
+	Target     string
+	Aliases    []string
+	DriverOpts map[string]string
+}
+
+// NetworkOpt represents a network config in swarm mode.
+type NetworkOpt struct {
+	options []NetworkAttachmentOpts
+}
+
+// Set networkopts value
+func (n *NetworkOpt) Set(value string) error {
+	longSyntax, err := regexp.MatchString(`\w+=\w+(,\w+=\w+)*`, value)
+	if err != nil {
+		return err
+	}
+
+	var netOpt NetworkAttachmentOpts
+	if longSyntax {
+		csvReader := csv.NewReader(strings.NewReader(value))
+		fields, err := csvReader.Read()
+		if err != nil {
+			return err
+		}
+
+		netOpt.Aliases = []string{}
+		for _, field := range fields {
+			parts := strings.SplitN(field, "=", 2)
+
+			if len(parts) < 2 {
+				return fmt.Errorf("invalid field %s", field)
+			}
+
+			key := strings.TrimSpace(strings.ToLower(parts[0]))
+			value := strings.TrimSpace(strings.ToLower(parts[1]))
+
+			switch key {
+			case networkOptName:
+				netOpt.Target = value
+			case networkOptAlias:
+				netOpt.Aliases = append(netOpt.Aliases, value)
+			case driverOpt:
+				key, value, err = parseDriverOpt(value)
+				if err == nil {
+					if netOpt.DriverOpts == nil {
+						netOpt.DriverOpts = make(map[string]string)
+					}
+					netOpt.DriverOpts[key] = value
+				} else {
+					return err
+				}
+			default:
+				return fmt.Errorf("invalid field key %s", key)
+			}
+		}
+		if len(netOpt.Target) == 0 {
+			return fmt.Errorf("network name/id is not specified")
+		}
+	} else {
+		netOpt.Target = value
+	}
+	n.options = append(n.options, netOpt)
+	return nil
+}
+
+// Type returns the type of this option
+func (n *NetworkOpt) Type() string {
+	return "network"
+}
+
+// Value returns the networkopts
+func (n *NetworkOpt) Value() []NetworkAttachmentOpts {
+	return n.options
+}
+
+// String returns the network opts as a string
+func (n *NetworkOpt) String() string {
+	return ""
+}
+
+func parseDriverOpt(driverOpt string) (string, string, error) {
+	parts := strings.SplitN(driverOpt, "=", 2)
+	if len(parts) != 2 {
+		return "", "", fmt.Errorf("invalid key value pair format in driver options")
+	}
+	key := strings.TrimSpace(strings.ToLower(parts[0]))
+	value := strings.TrimSpace(strings.ToLower(parts[1]))
+	return key, value, nil
+}