Rename gotk binary to flux

Signed-off-by: Hidde Beydals <hello@hidde.co>

cmd/flux/create.go

@@ -0,0 +1,72 @@
+/*
+Copyright 2020 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"k8s.io/apimachinery/pkg/util/validation"
+
+	"github.com/spf13/cobra"
+)
+
+var createCmd = &cobra.Command{
+	Use:   "create",
+	Short: "Create or update sources and resources",
+	Long:  "The create sub-commands generate sources and resources.",
+}
+
+var (
+	interval time.Duration
+	export   bool
+	labels   []string
+)
+
+func init() {
+	createCmd.PersistentFlags().DurationVarP(&interval, "interval", "", time.Minute, "source sync interval")
+	createCmd.PersistentFlags().BoolVar(&export, "export", false, "export in YAML format to stdout")
+	createCmd.PersistentFlags().StringSliceVar(&labels, "label", nil,
+		"set labels on the resource (can specify multiple labels with commas: label1=value1,label2=value2)")
+	rootCmd.AddCommand(createCmd)
+}
+
+func parseLabels() (map[string]string, error) {
+	result := make(map[string]string)
+	for _, label := range labels {
+		// validate key value pair
+		parts := strings.Split(label, "=")
+		if len(parts) != 2 {
+			return nil, fmt.Errorf("invalid label format '%s', must be key=value", label)
+		}
+
+		// validate label name
+		if errors := validation.IsQualifiedName(parts[0]); len(errors) > 0 {
+			return nil, fmt.Errorf("invalid label '%s': %v", parts[0], errors)
+		}
+
+		// validate label value
+		if errors := validation.IsValidLabelValue(parts[1]); len(errors) > 0 {
+			return nil, fmt.Errorf("invalid label value '%s': %v", parts[1], errors)
+		}
+
+		result[parts[0]] = parts[1]
+	}
+
+	return result, nil
+}