feat(setup): generate local installation configuration

tools/tht/cmd/tht/main.go

@@ -18,7 +18,9 @@ import (
 	"github.com/aritmolab/thothii/tools/tht/internal/config"
 	"github.com/aritmolab/thothii/tools/tht/internal/output"
 	"github.com/aritmolab/thothii/tools/tht/internal/pi"
+	"github.com/aritmolab/thothii/tools/tht/internal/project"
 	"github.com/aritmolab/thothii/tools/tht/internal/serverops"
+	"github.com/aritmolab/thothii/tools/tht/internal/setup"
 	"github.com/aritmolab/thothii/tools/tht/internal/workspaceops"
 )
 
@@ -28,6 +30,8 @@ When --installation is omitted, tht uses THOTHII_INSTALLATION or discovers one v
 descriptor in the current project tree.
 
 Commands:
+  setup [--configure-only] [--installation-id ID] [--profile local|server]
+                      Create or validate the local non-secret installation configuration.
   status              Show the Compose service state.
   doctor              Validate Docker, Compose, rendered configuration, line endings, volumes, and health.
   logs                Show the latest 200 sanitized service log lines (bounded; no follow mode).
@@ -86,6 +90,9 @@ func run(ctx context.Context, args []string, stdout, stderr io.Writer) int {
 			fmt.Fprint(stdout, usage)
 			return 0
 		}
+		if command == "setup" {
+			return setupCommand(installationPath, commandArgs, stdout, stderr)
+		}
 		return commandUsageError(stderr, fmt.Sprintf("unknown command %q", command))
 	}
 	workingDirectory, err := os.Getwd()
@@ -198,6 +205,120 @@ func isBootstrapCommand(command string) bool {
 	return command == "help" || command == "setup" || command == "version"
 }
 
+func setupCommand(installationPath string, args []string, stdout, stderr io.Writer) int {
+	request, err := parseSetupArgs(args)
+	if err != nil {
+		return commandUsageError(stderr, err.Error())
+	}
+	workingDirectory, err := os.Getwd()
+	if err != nil {
+		return commandUsageError(stderr, "current directory is unavailable")
+	}
+	root, err := project.Discover(workingDirectory)
+	if err != nil {
+		return commandUsageError(stderr, err.Error())
+	}
+	request.ProjectRoot = root.Path
+	if installationPath != "" {
+		id, pathErr := installationIDFromPath(root.Path, installationPath)
+		if pathErr != nil {
+			return commandUsageError(stderr, pathErr.Error())
+		}
+		if request.InstallationID != "" && request.InstallationID != id {
+			return commandUsageError(stderr, "--installation and --installation-id must identify the same installation")
+		}
+		request.InstallationID = id
+	}
+	result, err := setup.EnsureFiles(request, os.Stdin, stdout)
+	if err != nil {
+		return commandUsageError(stderr, err.Error())
+	}
+	fmt.Fprintf(stdout, "Configuration is ready: %s\n", result.DescriptorPath)
+	return 0
+}
+
+func installationIDFromPath(root, installationPath string) (string, error) {
+	if filepath.Base(installationPath) != "thothii-installation.yaml" {
+		return "", errors.New("--installation must name thothii-installation.yaml below deploy/<installation-id>")
+	}
+	relative, err := filepath.Rel(filepath.Join(root, "deploy"), installationPath)
+	if err != nil {
+		return "", errors.New("--installation must be below this project's deploy directory")
+	}
+	parts := strings.Split(filepath.Clean(relative), string(filepath.Separator))
+	if len(parts) != 2 || parts[0] == "." || parts[0] == ".." || parts[1] != "thothii-installation.yaml" {
+		return "", errors.New("--installation must be below this project's deploy/<installation-id> directory")
+	}
+	return parts[0], nil
+}
+
+func parseSetupArgs(args []string) (setup.Request, error) {
+	request := setup.Request{}
+	for len(args) > 0 {
+		flag := args[0]
+		args = args[1:]
+		switch flag {
+		case "--configure-only":
+			if request.ConfigureOnly {
+				return setup.Request{}, errors.New("--configure-only may be supplied once")
+			}
+			request.ConfigureOnly = true
+		case "--non-interactive":
+			if request.NonInteractive {
+				return setup.Request{}, errors.New("--non-interactive may be supplied once")
+			}
+			request.NonInteractive = true
+		case "--create-secret-templates":
+			if request.Answers.CreateSecretTemplates {
+				return setup.Request{}, errors.New("--create-secret-templates may be supplied once")
+			}
+			request.Answers.CreateSecretTemplates = true
+		default:
+			if len(args) == 0 {
+				return setup.Request{}, fmt.Errorf("%s requires a value", flag)
+			}
+			value := args[0]
+			args = args[1:]
+			var target *string
+			switch flag {
+			case "--installation-id":
+				target = &request.InstallationID
+			case "--profile":
+				target = &request.Profile
+			case "--workspace-remote":
+				target = &request.Answers.WorkspaceRemote
+			case "--workspace-branch":
+				target = &request.Answers.WorkspaceBranch
+			case "--workspace-access":
+				target = &request.Answers.WorkspaceAccess
+			case "--dwh-rest-url":
+				target = &request.Answers.DWHRESTURL
+			case "--llm-url":
+				target = &request.Answers.LLMURL
+			case "--secrets-file":
+				target = &request.Answers.SecretsFile
+			case "--pi-auth-file":
+				target = &request.Answers.PiAuthFile
+			case "--git-credentials-file":
+				target = &request.Answers.GitCredentialsFile
+			case "--git-ca-file":
+				target = &request.Answers.GitCAFile
+			case "--git-ssh-key-file":
+				target = &request.Answers.GitSSHKeyFile
+			case "--git-known-hosts-file":
+				target = &request.Answers.GitKnownHostsFile
+			default:
+				return setup.Request{}, fmt.Errorf("unknown setup option %q", flag)
+			}
+			if *target != "" {
+				return setup.Request{}, fmt.Errorf("%s may be supplied once", flag)
+			}
+			*target = value
+		}
+	}
+	return request, nil
+}
+
 func writeRemovalTargets(outputWriter io.Writer, project string, targets []serverops.Container) {
 	fmt.Fprintf(outputWriter, "Removal targets for installation project %s:\n", project)
 	if len(targets) == 0 {