feat: add whoami command

docs/commands/rhoas.adoc

@@ -43,3 +43,4 @@ Apache Kafka instances
 delete and update service accounts
 * link:rhoas_status.adoc[rhoas status] - View the status of all currently
 used services
+* link:rhoas_whoami.adoc[rhoas whoami] - Print current user name

docs/commands/rhoas_whoami.adoc

@@ -0,0 +1,32 @@
+== rhoas whoami
+
+Print current user name
+
+=== Synopsis
+
+Print the user name of currently active user.
+
+This command prints the username associated with the user currently
+logged in.
+
+....
+rhoas whoami [flags]
+....
+
+=== Examples
+
+....
+# print current user name
+$ rhoas whoami
+....
+
+=== Options inherited from parent commands
+
+....
+  -d, --debug   Enable debug mode
+  -h, --help    Show help for a command
+....
+
+=== SEE ALSO
+
+* link:rhoas.adoc[rhoas] - RHOAS CLI

locales/cmd/whoami/active.en.toml

@@ -0,0 +1,22 @@
+[whoami.cmd.use]
+description = "Use is the one-line usage message"
+one = "whoami"
+
+[whoami.cmd.shortDescription]
+description = "Short description for command"
+one = "Print current user name"
+
+[whoami.cmd.longDescription]
+description = "Long description for command"
+one = '''
+Print the user name of currently active user.
+
+This command prints the username associated with the user currently logged in.
+'''
+
+[whoami.cmd.example]
+description = 'Examples of how to use the command'
+one = '''
+# print current user name
+$ rhoas whoami
+'''

pkg/cmd/root/root.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/bf2fc6cc711aee1a0c2a/cli/internal/localizer"
 	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/cmd/status"
+	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/cmd/whoami"
 
 	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/arguments"
 	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/cmd/cluster"
@@ -49,6 +50,7 @@ func NewRootCommand(cmdFactory *factory.Factory, version string) *cobra.Command
 	cmd.AddCommand(cluster.NewClusterCommand(cmdFactory))
 	cmd.AddCommand(status.NewStatusCommand(cmdFactory))
 	cmd.AddCommand(completion.CompletionCmd)
+	cmd.AddCommand(whoami.NewWhoAmICmd(cmdFactory))
 
 	return cmd
 }

pkg/cmd/whoami/whoami.go

@@ -0,0 +1,65 @@
+package whoami
+
+import (
+	"fmt"
+
+	"github.com/bf2fc6cc711aee1a0c2a/cli/internal/config"
+	"github.com/bf2fc6cc711aee1a0c2a/cli/internal/localizer"
+	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/auth/token"
+	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/cmd/factory"
+	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/connection"
+	"github.com/bf2fc6cc711aee1a0c2a/cli/pkg/iostreams"
+
+	"github.com/spf13/cobra"
+)
+
+type Options struct {
+	Config     config.IConfig
+	Connection func() (connection.Connection, error)
+	IO         *iostreams.IOStreams
+}
+
+func NewWhoAmICmd(f *factory.Factory) *cobra.Command {
+	opts := &Options{
+		Config:     f.Config,
+		Connection: f.Connection,
+		IO:         f.IOStreams,
+	}
+
+	localizer.LoadMessageFiles("cmd/whoami")
+
+	cmd := &cobra.Command{
+		Use:     localizer.MustLocalizeFromID("whoami.cmd.use"),
+		Short:   localizer.MustLocalizeFromID("whoami.cmd.shortDescription"),
+		Long:    localizer.MustLocalizeFromID("whoami.cmd.longDescription"),
+		Example: localizer.MustLocalizeFromID("whoami.cmd.example"),
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			return runCmd(opts)
+		},
+	}
+
+	return cmd
+}
+
+func runCmd(opts *Options) (err error) {
+
+	cfg, err := opts.Config.Load()
+	if err != nil {
+		return err
+	}
+
+	_, err = opts.Connection()
+	if err != nil {
+		return err
+	}
+
+	accessTkn, _ := token.Parse(cfg.AccessToken)
+
+	tknClaims, _ := token.MapClaims(accessTkn)
+
+	userName, _ := tknClaims["preferred_username"]
+
+	fmt.Fprintln(opts.IO.Out, userName)
+
+	return nil
+}