Added ZFS state metrics

proxmox/model.go

@@ -223,6 +223,40 @@ type PveDisk struct {
 	Used      string      `json:"used,omitempty"`    // How the drive is used (optional field).
 }
 
+// PveZfsPool represents summary information about a ZFS pool.
+type PveZfsPool struct {
+	Name   string  `json:"name"`   // Pool name.
+	Size   uint64  `json:"size"`   // Total pool size in bytes.
+	Alloc  uint64  `json:"alloc"`  // Allocated pool space in bytes.
+	Free   uint64  `json:"free"`   // Free pool space in bytes.
+	Frag   uint64  `json:"frag"`   // Pool fragmentation percentage.
+	Dedup  float64 `json:"dedup"`  // Pool deduplication ratio.
+	Health string  `json:"health"` // Pool health state.
+}
+
+// PveZfsComponent represents a component in the recursive ZFS pool topology.
+// Error counters are pointers because section nodes such as "cache" do not
+// always contain read, write, or checksum values in the PVE API response.
+type PveZfsComponent struct {
+	Name     string            `json:"name"`     // Component, vdev, or device name.
+	State    string            `json:"state"`    // Component state, for example ONLINE.
+	Leaf     uint8             `json:"leaf"`     // Whether this component is a leaf device.
+	Read     *uint64           `json:"read"`     // Read error count when available.
+	Write    *uint64           `json:"write"`    // Write error count when available.
+	Checksum *uint64           `json:"cksum"`    // Checksum error count when available.
+	Message  string            `json:"msg"`      // Optional component status message.
+	Children []PveZfsComponent `json:"children"` // Nested ZFS components.
+}
+
+// PveZfsPoolStatus represents the detailed status and topology of a ZFS pool.
+type PveZfsPoolStatus struct {
+	PveZfsComponent
+	Status string `json:"status"` // Human-readable pool status.
+	Action string `json:"action"` // Recommended recovery action.
+	Scan   string `json:"scan"`   // Last or current scrub information.
+	Errors string `json:"errors"` // Human-readable pool errors.
+}
+
 // PVE node time.
 type PveNodeTime struct {
 	Time      uint64 `json:"time"`      // Unix timestamp in UTC.