BAMS initial project structure

backend/internal/services/disk/service.go

@@ -0,0 +1,101 @@
+package disk
+
+import (
+	"fmt"
+	"os/exec"
+
+	"github.com/bams/backend/internal/config"
+	"github.com/bams/backend/internal/logger"
+)
+
+type Repository struct {
+	ID         string `json:"id"`
+	Name       string `json:"name"`
+	Type       string `json:"type"` // "lvm" or "zfs"
+	Size       string `json:"size"`
+	Used       string `json:"used"`
+	MountPoint string `json:"mount_point"`
+	Status     string `json:"status"`
+	VGName     string `json:"vg_name,omitempty"`
+	PoolName   string `json:"pool_name,omitempty"`
+}
+
+type Service struct {
+	config *config.Config
+	logger *logger.Logger
+}
+
+func NewService(cfg *config.Config, log *logger.Logger) *Service {
+	return &Service{
+		config: cfg,
+		logger: log,
+	}
+}
+
+func (s *Service) ListRepositories() ([]*Repository, error) {
+	// TODO: Implement actual LVM/ZFS listing
+	s.logger.Debug("Listing disk repositories")
+	return []*Repository{}, nil
+}
+
+func (s *Service) GetRepository(id string) (*Repository, error) {
+	// TODO: Implement actual repository retrieval
+	s.logger.Debug("Getting repository", "id", id)
+	return nil, fmt.Errorf("repository not found: %s", id)
+}
+
+func (s *Service) CreateRepository(name, size, repoType, vgName, poolName string) (*Repository, error) {
+	s.logger.Info("Creating repository", "name", name, "size", size, "type", repoType)
+
+	var err error
+	if repoType == "lvm" {
+		err = s.createLVMRepository(name, size, vgName)
+	} else if repoType == "zfs" {
+		err = s.createZFSRepository(name, size, poolName)
+	} else {
+		return nil, fmt.Errorf("unsupported repository type: %s", repoType)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &Repository{
+		ID:       name,
+		Name:     name,
+		Type:     repoType,
+		Size:     size,
+		Status:   "active",
+		VGName:   vgName,
+		PoolName: poolName,
+	}, nil
+}
+
+func (s *Service) createLVMRepository(name, size, vgName string) error {
+	// Create LVM logical volume
+	cmd := exec.Command("lvcreate", "-L", size, "-n", name, vgName)
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		s.logger.Error("Failed to create LVM volume", "error", string(output))
+		return fmt.Errorf("failed to create LVM volume: %w", err)
+	}
+	return nil
+}
+
+func (s *Service) createZFSRepository(name, size, poolName string) error {
+	// Create ZFS zvol
+	zvolPath := fmt.Sprintf("%s/%s", poolName, name)
+	cmd := exec.Command("zfs", "create", "-V", size, zvolPath)
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		s.logger.Error("Failed to create ZFS zvol", "error", string(output))
+		return fmt.Errorf("failed to create ZFS zvol: %w", err)
+	}
+	return nil
+}
+
+func (s *Service) DeleteRepository(id string) error {
+	s.logger.Info("Deleting repository", "id", id)
+	// TODO: Implement actual deletion
+	return nil
+}