rpk: add root level --profile flag

This will let user pick an specific profile while
running any command. Useful when you want to run
the same across multiple profiles.

src/go/rpk/pkg/cli/profile/delete.go

@@ -29,7 +29,7 @@ was the selected profile, rpk will use in-memory defaults until a new profile
 is selected.
 `,
 		Args:              cobra.ExactArgs(1),
-		ValidArgsFunction: validProfiles(fs, p),
+		ValidArgsFunction: ValidProfiles(fs, p),
 		Run: func(_ *cobra.Command, args []string) {
 			cfg, err := p.Load(fs)
 			out.MaybeDie(err, "unable to load config: %v", err)

src/go/rpk/pkg/cli/profile/edit.go

@@ -35,7 +35,7 @@ If you want to edit the current raw profile as it exists in rpk.yaml, you
 can use the --raw flag.
 `,
 		Args:              cobra.MaximumNArgs(1),
-		ValidArgsFunction: validProfiles(fs, p),
+		ValidArgsFunction: ValidProfiles(fs, p),
 		Run: func(_ *cobra.Command, args []string) {
 			cfg, err := p.Load(fs)
 			out.MaybeDie(err, "unable to load config: %v", err)

src/go/rpk/pkg/cli/profile/print.go

@@ -32,7 +32,7 @@ variables applied. If you wish to print the current raw profile as it exists
 in rpk.yaml, you can use the --raw flag.
 `,
 		Args:              cobra.MaximumNArgs(1),
-		ValidArgsFunction: validProfiles(fs, p),
+		ValidArgsFunction: ValidProfiles(fs, p),
 		Run: func(_ *cobra.Command, args []string) {
 			cfg, err := p.Load(fs)
 			out.MaybeDie(err, "unable to load config: %v", err)

src/go/rpk/pkg/cli/profile/profile.go

@@ -51,7 +51,7 @@ your configuration in one place.
 	return cmd
 }
 
-func validProfiles(fs afero.Fs, p *config.Params) func(*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective) {
+func ValidProfiles(fs afero.Fs, p *config.Params) func(*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective) {
 	return func(cmd *cobra.Command, _ []string, toComplete string) ([]string, cobra.ShellCompDirective) {
 		cfg, err := p.Load(fs)
 		if err != nil {

src/go/rpk/pkg/cli/profile/use.go

@@ -23,7 +23,7 @@ func newUseCommand(fs afero.Fs, p *config.Params) *cobra.Command {
 		Use:               "use [NAME]",
 		Short:             "Select the rpk profile to use",
 		Args:              cobra.ExactArgs(1),
-		ValidArgsFunction: validProfiles(fs, p),
+		ValidArgsFunction: ValidProfiles(fs, p),
 		Run: func(_ *cobra.Command, args []string) {
 			cfg, err := p.Load(fs)
 			out.MaybeDie(err, "unable to load config: %v", err)

src/go/rpk/pkg/cli/root.go

@@ -75,6 +75,7 @@ func Execute() {
 	}
 	pf := root.PersistentFlags()
 	pf.StringVar(&p.ConfigFlag, "config", "", "Redpanda or rpk config file; default search paths are ~/.config/rpk/rpk.yaml, $PWD, and /etc/redpanda/redpanda.yaml")
+	pf.StringVar(&p.Profile, "profile", "", "rpk profile to use")
 	pf.StringArrayVarP(&p.FlagOverrides, "config-opt", "X", nil, "Override rpk configuration settings; '-X help' for detail or '-X list' for terser detail")
 	pf.BoolVarP(&p.DebugLogs, "verbose", "v", false, "Enable verbose logging")
 
@@ -92,6 +93,7 @@ func Execute() {
 		}
 		return opts, cobra.ShellCompDirectiveNoSpace
 	})
+	root.RegisterFlagCompletionFunc("profile", profile.ValidProfiles(fs, p))
 
 	root.AddCommand(
 		acl.NewCommand(fs, p),

src/go/rpk/pkg/config/params.go

@@ -393,19 +393,18 @@ func XFlagYamlPath(x string) (string, bool) {
 // Params contains rpk-wide configuration parameters.
 type Params struct {
 	// ConfigFlag is any flag-specified config path.
-	//
-	// This is unused until step (2) in the refactoring process.
 	ConfigFlag string
 
+	// Profile is any flag-specified profile name.
+	Profile string
+
 	// DebugLogs opts into debug logging.
 	//
 	// This field only for setting, to actually get a logger after the
 	// field is set, use Logger().
 	DebugLogs bool
 
 	// FlagOverrides are any flag-specified config overrides.
-	//
-	// This is unused until step (2) in the refactoring process.
 	FlagOverrides []string
 
 	loggerOnce sync.Once
@@ -949,6 +948,13 @@ func (p *Params) readRpkConfig(fs afero.Fs, c *Config) error {
 	}
 	yaml.Unmarshal(file, &c.rpkYamlActual)
 
+	if p.Profile != "" {
+		if c.rpkYaml.Profile(p.Profile) == nil {
+			return fmt.Errorf("selected profile %q does not exist", p.Profile)
+		}
+		c.rpkYaml.CurrentProfile = p.Profile
+		c.rpkYamlActual.CurrentProfile = p.Profile
+	}
 	c.rpkYamlExists = true
 	c.rpkYaml.fileLocation = abs
 	c.rpkYamlActual.fileLocation = abs

src/go/rpk/pkg/out/color.go

@@ -1,4 +1,4 @@
-// Copyright 2020 Redpanda Data, Inc.
+// Copyright 2023 Redpanda Data, Inc.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.md