add initial hiveutil

first coutil -> hiveutil migration (right now only support aws-tag-deprovision subcommand)

Makefile

@@ -10,13 +10,17 @@ test: generate fmt vet manifests
 
 # Builds all of hive's binaries (including utils).
 .PHONY: build
-build: manager
+build: manager hiveutil
 
 
 # Build manager binary
 manager: generate fmt vet
 	go build -o bin/manager github.com/openshift/hive/cmd/manager
 
+# Build hiveutil binary
+hiveutil: fmt vet
+	go build -o bin/hiveutil github.com/openshift/hive/contrib/cmd/hiveutil
+
 # Run against the configured Kubernetes cluster in ~/.kube/config
 run: generate fmt vet
 	go run ./cmd/manager/main.go
@@ -36,11 +40,11 @@ manifests:
 
 # Run go fmt against code
 fmt:
-	go fmt ./pkg/... ./cmd/...
+	go fmt ./pkg/... ./cmd/... ./contrib/...
 
 # Run go vet against code
 vet:
-	go vet ./pkg/... ./cmd/...
+	go vet ./pkg/... ./cmd/... ./contrib/...
 
 # Generate code
 generate:

contrib/cmd/hiveutil/main.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2018 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.
+*/
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+
+	"github.com/openshift/hive/contrib/pkg/aws_tag_deprovision"
+)
+
+func main() {
+	log.SetOutput(os.Stdout)
+	log.SetLevel(log.DebugLevel)
+
+	cmd := NewCOUtilityCommand()
+
+	err := cmd.Execute()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error occurred: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func NewCOUtilityCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "hiveutil SUB-COMMAND",
+		Short: "Utilities for hive",
+		Long:  "Contains various utilities for running and testing hive",
+		Run: func(cmd *cobra.Command, args []string) {
+			cmd.Usage()
+		},
+	}
+	cmd.AddCommand(aws_tag_deprovision.NewDeprovisionAWSWithTagsCommand())
+
+	return cmd
+}