add api framework

internal/models/zfs.go

@@ -0,0 +1,56 @@
+package models
+
+import "time"
+
+// Pool represents a ZFS pool
+type Pool struct {
+	Name      string    `json:"name"`
+	Status    string    `json:"status"` // ONLINE, DEGRADED, FAULTED, etc.
+	Size      uint64    `json:"size"`   // bytes
+	Allocated uint64    `json:"allocated"`
+	Free      uint64    `json:"free"`
+	Health    string    `json:"health"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+// Dataset represents a ZFS filesystem
+type Dataset struct {
+	Name       string    `json:"name"`
+	Pool       string    `json:"pool"`
+	Type       string    `json:"type"` // filesystem, volume
+	Size       uint64    `json:"size"`
+	Used       uint64    `json:"used"`
+	Available  uint64    `json:"available"`
+	Mountpoint string    `json:"mountpoint"`
+	CreatedAt  time.Time `json:"created_at"`
+}
+
+// ZVOL represents a ZFS block device
+type ZVOL struct {
+	Name      string    `json:"name"`
+	Pool      string    `json:"pool"`
+	Size      uint64    `json:"size"` // bytes
+	Used      uint64    `json:"used"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+// Snapshot represents a ZFS snapshot
+type Snapshot struct {
+	Name      string    `json:"name"`
+	Dataset   string    `json:"dataset"`
+	Size      uint64    `json:"size"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+// SnapshotPolicy defines automated snapshot rules
+type SnapshotPolicy struct {
+	Dataset   string `json:"dataset"`
+	Frequent  int    `json:"frequent"`  // keep N frequent snapshots
+	Hourly    int    `json:"hourly"`    // keep N hourly snapshots
+	Daily     int    `json:"daily"`     // keep N daily snapshots
+	Weekly    int    `json:"weekly"`    // keep N weekly snapshots
+	Monthly   int    `json:"monthly"`   // keep N monthly snapshots
+	Yearly    int    `json:"yearly"`    // keep N yearly snapshots
+	Autosnap  bool   `json:"autosnap"`  // enable/disable
+	Autoprune bool   `json:"autoprune"` // enable/disable
+}