/
fs_cache.go
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/
fs_cache.go
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/*
Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package model
import (
"crypto/md5"
"encoding/hex"
"time"
"gorm.io/gorm"
)
const FsCacheTableName = "fs_cache"
type FSCache struct {
PK int64 `json:"-" gorm:"primaryKey;autoIncrement"`
CacheID string `json:"cacheID" gorm:"type:varchar(36);column:cache_id"`
CacheHashID string `json:"cacheHashID" gorm:"type:varchar(36);column:cache_hash_id"`
FsID string `json:"fsID" gorm:"type:varchar(36);column:fs_id"`
CacheDir string `json:"cacheDir" gorm:"type:varchar(4096);column:cache_dir"`
NodeName string `json:"nodename" gorm:"type:varchar(256);column:nodename"`
UsedSize int `json:"usedSize" gorm:"type:bigint(20);column:usedsize"`
ClusterID string `json:"-" gorm:"column:cluster_id;default:''"`
CreatedAt time.Time `json:"-"`
UpdatedAt time.Time `json:"-"`
DeletedAt gorm.DeletedAt `json:"-"`
}
func (c *FSCache) TableName() string {
return FsCacheTableName
}
func (c *FSCache) BeforeSave(*gorm.DB) error {
if c.CacheID == "" {
c.CacheID = CacheID(c.ClusterID, c.NodeName, c.CacheDir, c.FsID)
}
return nil
}
func CacheID(clusterID, nodeName, CacheDir, fsID string) string {
hash := md5.Sum([]byte(clusterID + nodeName + CacheDir + fsID))
return hex.EncodeToString(hash[:])
}