Implement OBS staging workflow

Signed-off-by: Marko Mudrinić <[email protected]>

cmd/krel/cmd/obs_stage.go

@@ -0,0 +1,97 @@
+/*
+Copyright 2020 The Kubernetes 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.
+*/
+
+// TODO(xmudrii): add variables for flags, add flags for missing options, etc.
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+
+	stage "k8s.io/release/pkg/obs"
+	"k8s.io/release/pkg/release"
+)
+
+// stageCmd represents the subcommand for `krel stage`
+var obsStageCmd = &cobra.Command{
+	Use:           "stage",
+	Short:         "Run OBS stage workflow",
+	Long:          "Run OBS stage workflow.",
+	SilenceUsage:  true,
+	SilenceErrors: true,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return runOBSStage(obsStageOptions)
+	},
+}
+
+var (
+	obsStageOptions = stage.DefaultStageOptions()
+)
+
+const (
+	obsBuildVersionFlag = "build-version"
+)
+
+func init() {
+	obsStageCmd.PersistentFlags().
+		StringVar(
+			&obsStageOptions.ReleaseType,
+			"type",
+			obsStageOptions.ReleaseType,
+			fmt.Sprintf("The release type, must be one of: '%s'",
+				strings.Join([]string{
+					release.ReleaseTypeAlpha,
+					release.ReleaseTypeBeta,
+					release.ReleaseTypeRC,
+					release.ReleaseTypeOfficial,
+				}, "', '"),
+			))
+
+	obsStageCmd.PersistentFlags().
+		StringVar(
+			&obsStageOptions.ReleaseBranch,
+			"branch",
+			obsStageOptions.ReleaseBranch,
+			"The release branch for which the release should be build",
+		)
+
+	obsStageCmd.PersistentFlags().
+		StringVar(
+			&obsStageOptions.BuildVersion,
+			buildVersionFlag,
+			"",
+			"The build version to be released.",
+		)
+
+	// for _, flag := range []string{buildVersionFlag, submitJobFlag} {
+	// 	if err := stageCmd.PersistentFlags().MarkHidden(flag); err != nil {
+	// 		logrus.Fatal(err)
+	// 	}
+	// }
+
+	obsCmd.AddCommand(obsStageCmd)
+}
+
+func runOBSStage(options *stage.StageOptions) error {
+	options.NoMock = rootOpts.nomock
+	// TODO(xmudrii): solve this
+	options.BuildVersion = "v1.26.4-64+8b09b36478f65c"
+	stageRun := stage.NewStage(options)
+
+	return stageRun.Run()
+}