fix tags not resolving to username if email is present (#2309)

* ensure valid tags is populated on user gets too

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* ensure forced tags are added

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* remove unused envvar in test

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* debug log auth/unauth tags in policy man

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* defer shutdown in tags test

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* add tag test with groups

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* add email, display name, picture to create user

Updates #2166

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* add ability to set display and email to cli

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* add email to test users in integration

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* fix issue where tags were only assigned to email, not username

Fixes #2300
Fixes #2307

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* expand principles to correct login name

and if fix an issue where nodeip principles might not expand to all
relevant IPs instead of taking the first in a prefix.

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* fix ssh unit test

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* update cli and oauth tests for users with email

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* index by test email

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* fix last test

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

---------

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

cmd/headscale/cli/users.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"errors"
 	"fmt"
+	"net/url"
 
 	survey "github.com/AlecAivazis/survey/v2"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
@@ -40,6 +41,9 @@ func usernameAndIDFromFlag(cmd *cobra.Command) (uint64, string) {
 func init() {
 	rootCmd.AddCommand(userCmd)
 	userCmd.AddCommand(createUserCmd)
+	createUserCmd.Flags().StringP("display-name", "d", "", "Display name")
+	createUserCmd.Flags().StringP("email", "e", "", "Email")
+	createUserCmd.Flags().StringP("picture-url", "p", "", "Profile picture URL")
 	userCmd.AddCommand(listUsersCmd)
 	usernameAndIDFlag(listUsersCmd)
 	listUsersCmd.Flags().StringP("email", "e", "", "Email")
@@ -83,6 +87,28 @@ var createUserCmd = &cobra.Command{
 
 		request := &v1.CreateUserRequest{Name: userName}
 
+		if displayName, _ := cmd.Flags().GetString("display-name"); displayName != "" {
+			request.DisplayName = displayName
+		}
+
+		if email, _ := cmd.Flags().GetString("email"); email != "" {
+			request.Email = email
+		}
+
+		if pictureURL, _ := cmd.Flags().GetString("picture-url"); pictureURL != "" {
+			if _, err := url.Parse(pictureURL); err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf(
+						"Invalid Picture URL: %s",
+						err,
+					),
+					output,
+				)
+			}
+			request.PictureUrl = pictureURL
+		}
+
 		log.Trace().Interface("request", request).Msg("Sending CreateUser request")
 		response, err := client.CreateUser(ctx, request)
 		if err != nil {