[local-app] Use new OAuth endpoint for login on a range of ports

Remove testing code
Use correct scope for all workspaces
Clean up logging + error behaviour

Use tcp4 and 127.0.0.1 to avoid IPV6 issues

Author: rl-gitpod

components/local-app/README.md

@@ -17,18 +17,3 @@ docker run --rm -it -v /tmp/dest:/out eu.gcr.io/gitpod-core-dev/build/local-app:
 cd components/local-app
 BROWSER= GITPOD_HOST=<URL-of-your-preview-env> go run main.go --mock-keyring run
 ```
-
-## To test the OAuth server
-NOTE: needs to done locally as we cannot open a browser URL within a Gitpod workspace terminal atm
-```
-cd ~/
-mkdir -p ~/tmp
-docker pull eu.gcr.io/gitpod-core-dev/dev/local-app:rl-oauth
-docker run --rm -it -v ~/tmp:/out eu.gcr.io/gitpod-core-dev/dev/local-app:rl-oauth
-# assuming you are running on OSX... (use local-app-windows.exe or local-app-linux as required)
-GITPOD_HOST=<URL-of-your-preview-env> ./tmp/local-app-darwin test
-```
-If successful it will output an OAuth token containing a Gitpod token e.g.:
-```
-{"access_token":"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJjaWQiOiJHaXRwb2QgbG9jYWwgY29udHJvbCBjbGllbnQiLCJzY29wZSI6ImZ1bmN0aW9uOmdldFdvcmtzcGFjZSIsInN1YiI6IjNjMTcwZjg3LWI2MTUtNDUwNS04MDFiLTUxZjczMjc5MzI5MSIsImV4cCI6MTYyMTMzNTc0NywibmJmIjoxNjIxMjQ5MzQ3LCJpYXQiOjE2MjEyNDkzNDcsImp0aSI6IjdmYzJjZTdjOWUwNjA0MGE0ZTBmOWI1OTI0NTFiYzhhYzMyMWRhZWEzMmMzZmZiZTZmMWI4OTFmNDBmMSJ9.gLVuo2pqQNQM7JKlfl-L9FaxbyGjNzTy5RHulOrGMZQ", "expires_in":86400, "refresh_token":"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJjbGllbnRfaWQiOiJncGxjdGwtMS4wIiwiYWNjZXNzX3Rva2VuX2lkIjoiN2ZjMmNlN2M5ZTA2MDQwYTRlMGY5YjU5MjQ1MWJjOGFjMzIxZGFlYTMyYzNmZmJlNmYxYjg5MWY0MGYxIiwicmVmcmVzaF90b2tlbl9pZCI6InJlZnJlc2h0b2tlbnRva2VuIiwic2NvcGUiOiJmdW5jdGlvbjpnZXRXb3Jrc3BhY2UiLCJ1c2VyX2lkIjoiM2MxNzBmODctYjYxNS00NTA1LTgwMWItNTFmNzMyNzkzMjkxIiwiZXhwaXJlX3RpbWUiOjE2MjM4NDEzNDcsImlhdCI6MTYyMTI0OTM0Nn0.ioLDJhzSwO-QmepMur_yl-WFqMCkFD_pY9pczLFqA1M", "scope":"function:getWorkspace", "token_type":"Bearer"}
-```

components/local-app/main.go

@@ -23,8 +23,8 @@ import (
 	"github.com/gitpod-io/local-app/pkg/bastion"
 	"github.com/gorilla/handlers"
 	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli/v2"
-	"github.com/zalando/go-keyring"
+	cli "github.com/urfave/cli/v2"
+	keyring "github.com/zalando/go-keyring"
 )
 
 var (
@@ -75,13 +75,6 @@ func main() {
 					},
 				},
 			},
-			{
-				Name: "test",
-				Action: func(c *cli.Context) error {
-					testOAuth(c.String("gitpod-host"))
-					return nil
-				},
-			},
 		},
 	}
 	err := app.Run(os.Args)