feat: add config view command

Author: alessiodionisi

cmd/config/root.go

@@ -0,0 +1,25 @@
+// Copyright © 2025 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package config
+
+import (
+	"github.com/spf13/cobra"
+
+	"github.com/ory/kratos/driver"
+	"github.com/ory/x/configx"
+)
+
+func NewConfigCmd() *cobra.Command {
+	c := &cobra.Command{
+		Use: "config",
+	}
+	configx.RegisterFlags(c.PersistentFlags())
+	return c
+}
+
+func RegisterCommandRecursive(parent *cobra.Command, dOpts []driver.RegistryOption) {
+	c := NewConfigCmd()
+	parent.AddCommand(c)
+	c.AddCommand(NewConfigViewCmd(dOpts))
+}

cmd/config/view.go

@@ -0,0 +1,48 @@
+// Copyright © 2025 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package config
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"github.com/ory/kratos/driver"
+	"github.com/ory/kratos/driver/config"
+	"github.com/ory/x/configx"
+	"github.com/ory/x/contextx"
+	"github.com/ory/x/logrusx"
+)
+
+func NewConfigViewCmd(dOpts []driver.RegistryOption) *cobra.Command {
+	c := &cobra.Command{
+		Use: "view",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			l := logrusx.New("Ory Kratos", config.Version)
+			config, err := config.New(
+				cmd.Context(),
+				l,
+				cmd.ErrOrStderr(),
+				&contextx.Default{},
+				configx.WithFlags(cmd.Flags()),
+				configx.SkipValidation(),
+				configx.WithContext(cmd.Context()),
+			)
+			if err != nil {
+				return err
+			}
+
+			out, err := config.View(cmd.Context())
+			if err != nil {
+				return err
+			}
+
+			fmt.Printf("%s\n", out)
+
+			return nil
+		},
+	}
+
+	return c
+}

cmd/root.go

@@ -11,6 +11,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"github.com/ory/kratos/cmd/cleanup"
+	configCmd "github.com/ory/kratos/cmd/config"
 	"github.com/ory/kratos/cmd/courier"
 	"github.com/ory/kratos/cmd/hashers"
 	"github.com/ory/kratos/cmd/identities"
@@ -31,6 +32,7 @@ func NewRootCmd(driverOpts ...driver.RegistryOption) (cmd *cobra.Command) {
 	}
 	cmdx.EnableUsageTemplating(cmd)
 
+	configCmd.RegisterCommandRecursive(cmd, driverOpts)
 	courier.RegisterCommandRecursive(cmd, driverOpts)
 	cmd.AddCommand(identities.NewGetCmd())
 	cmd.AddCommand(identities.NewDeleteCmd())

driver/config/config.go

@@ -492,6 +492,10 @@ func (p *Config) validateIdentitySchemas(ctx context.Context) error {
 	return nil
 }
 
+func (p *Config) View(ctx context.Context) ([]byte, error) {
+	return p.GetProvider(ctx).View()
+}
+
 func (p *Config) formatJsonErrors(schema []byte, err error) {
 	_, _ = fmt.Fprintln(p.stdOutOrErr, "")
 	jsonschemax.FormatValidationErrorForCLI(p.stdOutOrErr, schema, err)

oryx/configx/provider.go

@@ -16,6 +16,7 @@ import (
 
 	"github.com/inhies/go-bytesize"
 	"github.com/knadh/koanf/parsers/json"
+	"github.com/knadh/koanf/parsers/yaml"
 	"github.com/knadh/koanf/providers/posflag"
 	"github.com/knadh/koanf/v2"
 	"github.com/pkg/errors"
@@ -534,6 +535,15 @@ func (p *Provider) PrintHumanReadableValidationErrors(w io.Writer, err error) {
 	p.printHumanReadableValidationErrors(p.Koanf, w, err)
 }
 
+func (p *Provider) View() ([]byte, error) {
+	out, err := p.Koanf.Marshal(yaml.Parser())
+	if err != nil {
+		return nil, fmt.Errorf("Unable to marshal configuration: %w", err)
+	}
+
+	return out, nil
+}
+
 func (p *Provider) printHumanReadableValidationErrors(k *koanf.Koanf, w io.Writer, err error) {
 	if err == nil {
 		return