split gateway from uplink

Change-Id: I7504a630cb85539750e32780c1c2347742a9c9c4
Reviewed-on: https://review.gerrithub.io/430644
Reviewed-by: Kaloyan Raev <kaloyan@storj.io>
Tested-by: Kaloyan Raev <kaloyan@storj.io>

cmd/gateway/README.md

@@ -0,0 +1,18 @@
+# Gateway
+
+Documentation for developing and building the gateway service
+
+Usage:
+
+First make an identity:
+```
+go install storj.io/storj/cmd/gateway
+gateway setup
+```
+
+The gateway shares the uplink config file.
+You can edit `~/.storj/uplink/config.yaml` to your liking. Then run it!
+
+```
+gateway run
+```

cmd/gateway/main.go

@@ -0,0 +1,13 @@
+// Copyright (C) 2018 Storj Labs, Inc.
+// See LICENSE for copying information.
+
+package main
+
+import (
+	"storj.io/storj/cmd/uplink/cmd"
+	"storj.io/storj/pkg/process"
+)
+
+func main() {
+	process.Exec(cmd.GWCmd)
+}

cmd/uplink/cmd/cat.go

@@ -17,7 +17,7 @@ func init() {
 		Use:   "cat",
 		Short: "Copies a Storj object to standard out",
 		RunE:  catMain,
-	})
+	}, CLICmd)
 }
 
 // catMain is the function executed when catCmd is called

cmd/uplink/cmd/cp.go

@@ -31,7 +31,7 @@ func init() {
 		Use:   "cp",
 		Short: "Copies a local file or Storj object to another location locally or in Storj",
 		RunE:  copyMain,
-	})
+	}, CLICmd)
 	progress = cpCmd.Flags().Bool("progress", true, "if true, show progress")
 }
 

cmd/uplink/cmd/ls.go

@@ -25,7 +25,7 @@ func init() {
 		Use:   "ls",
 		Short: "List objects and prefixes or all buckets",
 		RunE:  list,
-	})
+	}, CLICmd)
 	recursiveFlag = lsCmd.Flags().Bool("recursive", false, "if true, list recursively")
 }
 

cmd/uplink/cmd/mb.go

@@ -18,7 +18,7 @@ func init() {
 		Use:   "mb",
 		Short: "Create a new bucket",
 		RunE:  makeBucket,
-	})
+	}, CLICmd)
 }
 
 func makeBucket(cmd *cobra.Command, args []string) error {

cmd/uplink/cmd/put.go

@@ -17,7 +17,7 @@ func init() {
 		Use:   "put",
 		Short: "Copies data from standard in to a Storj object",
 		RunE:  putMain,
-	})
+	}, CLICmd)
 }
 
 // putMain is the function executed when putCmd is called

cmd/uplink/cmd/rb.go

@@ -19,7 +19,7 @@ func init() {
 		Use:   "rb",
 		Short: "Remove an empty bucket",
 		RunE:  deleteBucket,
-	})
+	}, CLICmd)
 }
 
 func deleteBucket(cmd *cobra.Command, args []string) error {

cmd/uplink/cmd/rm.go

@@ -17,7 +17,7 @@ func init() {
 		Use:   "rm",
 		Short: "Delete an object",
 		RunE:  delete,
-	})
+	}, CLICmd)
 }
 
 func delete(cmd *cobra.Command, args []string) error {

cmd/uplink/cmd/root.go

@@ -23,14 +23,20 @@ type Config struct {
 
 var cfg Config
 
-// RootCmd represents the base command when called without any subcommands
-var RootCmd = &cobra.Command{
+// CLICmd represents the base CLI command when called without any subcommands
+var CLICmd = &cobra.Command{
 	Use:   "uplink",
-	Short: "The Storj client-side S3 gateway and CLI",
+	Short: "The Storj client-side CLI",
 }
 
-func addCmd(cmd *cobra.Command) *cobra.Command {
-	RootCmd.AddCommand(cmd)
+// GWCmd represents the base gateway command when called without any subcommands
+var GWCmd = &cobra.Command{
+	Use:   "gateway",
+	Short: "The Storj client-side S3 gateway",
+}
+
+func addCmd(cmd *cobra.Command, root *cobra.Command) *cobra.Command {
+	root.AddCommand(cmd)
 	cfgstruct.Bind(cmd.Flags(), &cfg, cfgstruct.ConfDir(defaultConfDir))
 	cmd.Flags().String("config", filepath.Join(defaultConfDir, "config.yaml"), "path to configuration")
 	return cmd

cmd/uplink/cmd/run.go

@@ -17,7 +17,7 @@ var (
 		Use:   "run",
 		Short: "Run the S3 gateway",
 		RunE:  cmdRun,
-	})
+	}, GWCmd)
 )
 
 func cmdRun(cmd *cobra.Command, args []string) (err error) {

cmd/uplink/cmd/setup.go

@@ -36,7 +36,8 @@ var (
 )
 
 func init() {
-	RootCmd.AddCommand(setupCmd)
+	CLICmd.AddCommand(setupCmd)
+	GWCmd.AddCommand(setupCmd)
 	cfgstruct.Bind(setupCmd.Flags(), &setupCfg, cfgstruct.ConfDir(defaultConfDir))
 }
 

cmd/uplink/main.go

@@ -9,5 +9,5 @@ import (
 )
 
 func main() {
-	process.Exec(cmd.RootCmd)
+	process.Exec(cmd.CLICmd)
 }