skip root requirement for ignite version

Signed-off-by: Chanwit Kaewkasi <chanwit@gmail.com>

cmd/ignite/cmd/root.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
  "fmt"
+ "github.com/weaveworks/ignite/pkg/util"
  "io"
  "os"
 
@@ -37,6 +38,20 @@ func NewIgniteCommand(in io.Reader, out, err io.Writer) *cobra.Command {
  // Set the desired logging level, now that the flags are parsed
  logs.Logger.SetLevel(logLevel)
 
+ // TODO Some commands do not need to check root
+ // Currently it seems to be only ignite version that does not require root
+ if cmd.Name() == "version" && cmd.Parent().Name() == "ignite" {
+ return
+ }
+
+ // Ignite needs to run as root for now, see
+ // https://github.com/weaveworks/ignite/issues/46
+ // TODO: Remove this when ready
+ util.GenericCheckErr(util.TestRoot())
+
+ // Create the directories needed for running
+ util.GenericCheckErr(util.CreateDirectories())
+
  // Populate the providers after flags have been parsed
  if err := providers.Populate(ignite.Providers); err != nil {
  log.Fatal(err)

cmd/ignite/ignite.go

@@ -1,12 +1,12 @@
 package main
 
 import (
- "os"
-
- "github.com/weaveworks/ignite/cmd/ignite/cmd"
  "github.com/weaveworks/ignite/pkg/providers"
  "github.com/weaveworks/ignite/pkg/providers/ignite"
  "github.com/weaveworks/ignite/pkg/util"
+ "os"
+
+ "github.com/weaveworks/ignite/cmd/ignite/cmd"
 )
 
 func main() {
@@ -17,14 +17,6 @@ func main() {
 
 // Run runs the main cobra command of this application
 func Run() error {
- // Ignite needs to run as root for now, see
- // https://github.com/weaveworks/ignite/issues/46
- // TODO: Remove this when ready
- util.GenericCheckErr(util.TestRoot())
-
- // Create the directories needed for running
- util.GenericCheckErr(util.CreateDirectories())
-
  // Preload necessary providers
  util.GenericCheckErr(providers.Populate(ignite.Preload))