Introduce the project:convert command

commands/list.go

@@ -53,6 +53,13 @@ func newListCommand(cnf *config.Config) *cobra.Command {
 				list.AddCommand(&appConfigValidateCommand)
 			}
 
+			appProjectConvertCommand := innerProjectConvertCommand(cnf)
+
+			if cnf.Service.ProjectConfigFlavor == "upsun" &&
+				(!list.DescribesNamespace() || list.Namespace == appProjectConvertCommand.Name.Namespace) {
+				list.AddCommand(&appProjectConvertCommand)
+			}
+
 			format := viper.GetString("format")
 			raw := viper.GetBool("raw")
 

commands/project_convert.go

@@ -0,0 +1,189 @@
+package commands
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/symfony-cli/terminal"
+	"github.com/upsun/lib-sun/detector"
+	"github.com/upsun/lib-sun/entity"
+	"github.com/upsun/lib-sun/readers"
+	utils "github.com/upsun/lib-sun/utility"
+	"github.com/upsun/lib-sun/writers"
+	orderedmap "github.com/wk8/go-ordered-map/v2"
+
+	"github.com/platformsh/cli/internal/config"
+)
+
+// innerProjectConvertCommand returns the Command struct for the convert config command.
+func innerProjectConvertCommand(cnf *config.Config) Command {
+	noInteractionOption := NoInteractionOption(cnf)
+	providerOption := Option{
+		Name:            "--provider",
+		Shortcut:        "-p",
+		IsValueRequired: false,
+		Default:         Any{"platformsh"},
+		Description:     "The provider from which to convert the configuration. Currently, only 'platformsh' is supported.",
+	}
+
+	return Command{
+		Name: CommandName{
+			Namespace: "project",
+			Command:   "convert",
+		},
+		Usage: []string{
+			cnf.Application.Executable + " convert",
+		},
+		Aliases: []string{
+			"convert",
+		},
+		Description: "Generate an Upsun compatible configuration based on the configuration from another provider.",
+		Help:        "",
+		Examples: []Example{
+			{
+				Commandline: "--provider=platformsh",
+				Description: "Convert the Platform.sh project configuration files in your current directory",
+			},
+		},
+		Definition: Definition{
+			Arguments: &orderedmap.OrderedMap[string, Argument]{},
+			Options: orderedmap.New[string, Option](orderedmap.WithInitialData[string, Option](
+				orderedmap.Pair[string, Option]{
+					Key:   HelpOption.GetName(),
+					Value: HelpOption,
+				},
+				orderedmap.Pair[string, Option]{
+					Key:   VerboseOption.GetName(),
+					Value: VerboseOption,
+				},
+				orderedmap.Pair[string, Option]{
+					Key:   VersionOption.GetName(),
+					Value: VersionOption,
+				},
+				orderedmap.Pair[string, Option]{
+					Key:   YesOption.GetName(),
+					Value: YesOption,
+				},
+				orderedmap.Pair[string, Option]{
+					Key:   noInteractionOption.GetName(),
+					Value: noInteractionOption,
+				},
+				orderedmap.Pair[string, Option]{
+					Key:   "provider",
+					Value: providerOption,
+				},
+			)),
+		},
+		Hidden: false,
+	}
+}
+
+// newProjectConvertCommand creates the cobra command for converting config.
+func newProjectConvertCommand(cnf *config.Config) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "project:convert",
+		Short:   "Generate locally Upsun configuration from another provider",
+		Aliases: []string{"convert"},
+		RunE:    runProjectConvert,
+	}
+
+	cmd.Flags().StringP(
+		"provider",
+		"p",
+		"platformsh",
+		"The provider from which to convert the configuration. Currently, only 'platformsh' is supported.",
+	)
+
+	_ = viper.BindPFlag("provider", cmd.Flags().Lookup("provider"))
+	cmd.SetHelpFunc(func(_ *cobra.Command, _ []string) {
+		internalCmd := innerProjectConvertCommand(cnf)
+		fmt.Println(internalCmd.HelpPage(cnf))
+	})
+	return cmd
+}
+
+// runProjectConvert is the entry point for the convert config command.
+func runProjectConvert(cmd *cobra.Command, _ []string) error {
+	if viper.GetString("provider") != "platformsh" {
+		return fmt.Errorf("only the 'platformsh' provider is currently supported")
+	}
+	return runPlatformShConvert(cmd)
+}
+
+// runPlatformShConvert performs the conversion from Platform.sh config to Upsun config.
+func runPlatformShConvert(cmd *cobra.Command) error {
+	cwd, err := os.Getwd()
+	if err != nil {
+		return fmt.Errorf("could not get current working directory: %w", err)
+	}
+
+	cwd, err = filepath.Abs(filepath.Clean(cwd))
+	if err != nil {
+		return fmt.Errorf("could not normalize project workspace path: %w", err)
+	}
+
+	// Disable log for lib-sun
+	log.Default().SetOutput(io.Discard)
+
+	// Find config files
+	configFiles, err := detector.FindConfig(cwd)
+	if err != nil {
+		return fmt.Errorf("could not detect configuration files: %w", err)
+	}
+
+	// Read PSH application config files
+	var metaConfig entity.MetaConfig
+	readers.ReadApplications(&metaConfig, configFiles[entity.PSH_APPLICATION], cwd)
+	readers.ReadPlatforms(&metaConfig, configFiles[entity.PSH_PLATFORM], cwd)
+	if metaConfig.Applications.IsZero() {
+		return fmt.Errorf("no Platform.sh applications found")
+	}
+
+	// Read PSH services and routes config files
+	readers.ReadServices(&metaConfig, configFiles[entity.PSH_SERVICE])
+	readers.ReadRoutes(&metaConfig, configFiles[entity.PSH_ROUTE])
+
+	// Remove size and resources entries
+	readers.RemoveAllEntry(&metaConfig.Services, "size")
+	readers.RemoveAllEntry(&metaConfig.Applications, "size")
+	readers.RemoveAllEntry(&metaConfig.Services, "resources")
+	readers.RemoveAllEntry(&metaConfig.Applications, "resources")
+
+	// Fix storage to match Upsun format
+	readers.ReplaceAllEntry(&metaConfig.Applications, "local", "instance")
+	readers.ReplaceAllEntry(&metaConfig.Applications, "shared", "storage")
+	readers.RemoveAllEntry(&metaConfig.Applications, "disk")
+
+	upsunDir := filepath.Join(cwd, ".upsun")
+	if err := os.MkdirAll(upsunDir, os.ModePerm); err != nil {
+		return fmt.Errorf("could not create .upsun directory: %w", err)
+	}
+
+	configPath := filepath.Join(upsunDir, "config.yaml")
+	stat, err := os.Stat(configPath)
+	if err == nil && !stat.IsDir() {
+		cmd.Printf("The file %v already exists.\n", configPath)
+		if !viper.GetBool("yes") {
+			if viper.GetBool("no-interaction") {
+				return fmt.Errorf("use the -y option to overwrite the file")
+			}
+
+			if !terminal.AskConfirmation("Do you want to overwrite it?", true) {
+				return nil
+			}
+		}
+	}
+	writers.GenerateUpsunConfigFile(metaConfig, configPath)
+
+	// Move extra config
+	utils.TransferConfigCustom(cwd, upsunDir)
+
+	cmd.Println("Your configuration was successfully converted to the Upsun format.")
+	cmd.Printf("Check the generated files in %v\n", upsunDir)
+	return nil
+}

commands/root.go

@@ -123,6 +123,7 @@ func newRootCommand(cnf *config.Config, assets *vendorization.VendorAssets) *cob
 	cmd.PersistentFlags().BoolP("version", "V", false, fmt.Sprintf("Displays the %s version", cnf.Application.Name))
 	cmd.PersistentFlags().Bool("debug", false, "Enable debug logging")
 	cmd.PersistentFlags().Bool("no-interaction", false, "Enable non-interactive mode")
+	cmd.PersistentFlags().BoolP("yes", "y", false, "Assume 'yes' to all prompts")
 	cmd.PersistentFlags().BoolP("verbose", "v", false, "Enable verbose output")
 	cmd.PersistentFlags().BoolP("quiet", "q", false,
 		"Suppress any messages and errors (stderr), while continuing to display necessary output (stdout)."+
@@ -153,6 +154,9 @@ func newRootCommand(cnf *config.Config, assets *vendorization.VendorAssets) *cob
 		validateCmd,
 		versionCommand,
 	)
+	if cnf.Service.ProjectConfigFlavor == "upsun" {
+		cmd.AddCommand(newProjectConvertCommand(cnf))
+	}
 
 	//nolint:errcheck
 	viper.BindPFlags(cmd.PersistentFlags())

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/spf13/viper v1.21.0
 	github.com/stretchr/testify v1.11.1
 	github.com/symfony-cli/terminal v1.0.7
+	github.com/upsun/lib-sun v0.3.16
 	github.com/wk8/go-ordered-map/v2 v2.1.8
 	golang.org/x/crypto v0.42.0
 	golang.org/x/oauth2 v0.31.0
@@ -31,6 +32,7 @@ require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.10 // indirect
+	github.com/getsentry/sentry-go v0.28.1 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect

go.sum

@@ -30,8 +30,12 @@ github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S
 github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
 github.com/gabriel-vasile/mimetype v1.4.10 h1:zyueNbySn/z8mJZHLt6IPw0KoZsiQNszIpU+bX4+ZK0=
 github.com/gabriel-vasile/mimetype v1.4.10/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
+github.com/getsentry/sentry-go v0.28.1 h1:zzaSm/vHmGllRM6Tpx1492r0YDzauArdBfkJRtY6P5k=
+github.com/getsentry/sentry-go v0.28.1/go.mod h1:1fQZ+7l7eeJ3wYi82q5Hg8GqAPgefRq+FP/QhafYVgg=
 github.com/go-chi/chi/v5 v5.2.3 h1:WQIt9uxdsAbgIYgid+BpYc+liqQZGMHRaUwp0JUcvdE=
 github.com/go-chi/chi/v5 v5.2.3/go.mod h1:L2yAIGWB3H+phAw1NxKwWM+7eUH/lU8pOMm5hHcoops=
+github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA=
+github.com/go-errors/errors v1.4.2/go.mod h1:sIVyrIiJhuEF+Pj9Ebtd6P/rEYROXFi3BopGUQ5a5Og=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
@@ -88,6 +92,8 @@ github.com/oklog/ulid/v2 v2.1.1/go.mod h1:rcEKHmBBKfef9DhnvX7y1HZBYxjXb0cP5ExxNs
 github.com/pborman/getopt v0.0.0-20170112200414-7148bc3a4c30/go.mod h1:85jBQOZwpVEaDAr341tbn15RS4fCAsIst0qp7i8ex1o=
 github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
 github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
+github.com/pingcap/errors v0.11.4 h1:lFuQV/oaUMGcD2tqt+01ROSmJs75VG1ToEOkZIZ4nE4=
+github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/platformsh/platformify v0.4.1 h1:SJCcCDjIF13KVUNdZtm3SC1uy6iWFhtvJIljqAuIbXQ=
@@ -127,6 +133,8 @@ github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8
 github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
 github.com/symfony-cli/terminal v1.0.7 h1:57L9PUTE2cHfQtP8Ti8dyiiPEYlQ1NBIDpMJ3RPEGPc=
 github.com/symfony-cli/terminal v1.0.7/go.mod h1:Etv22IyeGiMoIQPPj51hX31j7xuYl1njyuAFkrvybqU=
+github.com/upsun/lib-sun v0.3.16 h1:46QTFurVKJZ/E4sGdJ+2Zi/MVAQKbTMMcdOxMaty/UQ=
+github.com/upsun/lib-sun v0.3.16/go.mod h1:LRs+1TttogDkbvpnz2sxcAPdePld1BuxSjRUs4fW4UM=
 github.com/wk8/go-ordered-map/v2 v2.1.8 h1:5h/BUHu93oj4gIdvHHHGsScSTMijfx5PeYkE/fJgbpc=
 github.com/wk8/go-ordered-map/v2 v2.1.8/go.mod h1:5nJHM5DyteebpVlHnWMV0rPz6Zp7+xBAnxjb1X5vnTw=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=