[优化] 改名

openflare_server/model/node_metric_snapshot.go

@@ -0,0 +1,48 @@
+package model
+
+import "time"
+
+type NodeMetricSnapshot struct {
+	ID                   uint      `json:"id" gorm:"primaryKey"`
+	NodeID               string    `json:"node_id" gorm:"index;size:64;not null"`
+	CapturedAt           time.Time `json:"captured_at" gorm:"index"`
+	CPUUsagePercent      float64   `json:"cpu_usage_percent"`
+	MemoryUsedBytes      int64     `json:"memory_used_bytes"`
+	MemoryTotalBytes     int64     `json:"memory_total_bytes"`
+	StorageUsedBytes     int64     `json:"storage_used_bytes"`
+	StorageTotalBytes    int64     `json:"storage_total_bytes"`
+	DiskReadBytes        int64     `json:"disk_read_bytes"`
+	DiskWriteBytes       int64     `json:"disk_write_bytes"`
+	NetworkRxBytes       int64     `json:"network_rx_bytes"`
+	NetworkTxBytes       int64     `json:"network_tx_bytes"`
+	OpenrestyRxBytes     int64     `json:"openresty_rx_bytes"`
+	OpenrestyTxBytes     int64     `json:"openresty_tx_bytes"`
+	OpenrestyConnections int64     `json:"openresty_connections"`
+	RawJSON              string    `json:"raw_json" gorm:"type:text"`
+	CreatedAt            time.Time `json:"created_at"`
+}
+
+func (snapshot *NodeMetricSnapshot) Insert() error {
+	return DB.Create(snapshot).Error
+}
+
+func ListNodeMetricSnapshots(nodeID string, since time.Time, limit int) (snapshots []*NodeMetricSnapshot, err error) {
+	query := DB.Where("node_id = ?", nodeID).Order("captured_at desc")
+	if !since.IsZero() {
+		query = query.Where("captured_at >= ?", since)
+	}
+	if limit > 0 {
+		query = query.Limit(limit)
+	}
+	err = query.Find(&snapshots).Error
+	return snapshots, err
+}
+
+func ListMetricSnapshotsSince(since time.Time) (snapshots []*NodeMetricSnapshot, err error) {
+	query := DB.Order("captured_at desc")
+	if !since.IsZero() {
+		query = query.Where("captured_at >= ?", since)
+	}
+	err = query.Find(&snapshots).Error
+	return snapshots, err
+}