forked from TrueCloudLab/frostfs-s3-gw
128 lines
3 KiB
Go
128 lines
3 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
|
|
*
|
|
* 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 logger
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sync"
|
|
)
|
|
|
|
// Key used for Get/SetReqInfo
|
|
type contextKeyType string
|
|
|
|
const contextLogKey = contextKeyType("miniolog")
|
|
|
|
// KeyVal - appended to ReqInfo.Tags
|
|
type KeyVal struct {
|
|
Key string
|
|
Val string
|
|
}
|
|
|
|
// ReqInfo stores the request info.
|
|
type ReqInfo struct {
|
|
RemoteHost string // Client Host/IP
|
|
Host string // Node Host/IP
|
|
UserAgent string // User Agent
|
|
DeploymentID string // x-minio-deployment-id
|
|
RequestID string // x-amz-request-id
|
|
API string // API name - GetObject PutObject NewMultipartUpload etc.
|
|
BucketName string // Bucket name
|
|
ObjectName string // Object name
|
|
tags []KeyVal // Any additional info not accommodated by above fields
|
|
sync.RWMutex
|
|
}
|
|
|
|
// NewReqInfo :
|
|
func NewReqInfo(remoteHost, userAgent, deploymentID, requestID, api, bucket, object string) *ReqInfo {
|
|
req := ReqInfo{}
|
|
req.RemoteHost = remoteHost
|
|
req.UserAgent = userAgent
|
|
req.API = api
|
|
req.DeploymentID = deploymentID
|
|
req.RequestID = requestID
|
|
req.BucketName = bucket
|
|
req.ObjectName = object
|
|
return &req
|
|
}
|
|
|
|
// AppendTags - appends key/val to ReqInfo.tags
|
|
func (r *ReqInfo) AppendTags(key string, val string) *ReqInfo {
|
|
if r == nil {
|
|
return nil
|
|
}
|
|
r.Lock()
|
|
defer r.Unlock()
|
|
r.tags = append(r.tags, KeyVal{key, val})
|
|
return r
|
|
}
|
|
|
|
// SetTags - sets key/val to ReqInfo.tags
|
|
func (r *ReqInfo) SetTags(key string, val string) *ReqInfo {
|
|
if r == nil {
|
|
return nil
|
|
}
|
|
r.Lock()
|
|
defer r.Unlock()
|
|
// Search of tag key already exists in tags
|
|
var updated bool
|
|
for _, tag := range r.tags {
|
|
if tag.Key == key {
|
|
tag.Val = val
|
|
updated = true
|
|
break
|
|
}
|
|
}
|
|
if !updated {
|
|
// Append to the end of tags list
|
|
r.tags = append(r.tags, KeyVal{key, val})
|
|
}
|
|
return r
|
|
}
|
|
|
|
// GetTags - returns the user defined tags
|
|
func (r *ReqInfo) GetTags() []KeyVal {
|
|
if r == nil {
|
|
return nil
|
|
}
|
|
r.RLock()
|
|
defer r.RUnlock()
|
|
return append([]KeyVal(nil), r.tags...)
|
|
}
|
|
|
|
// SetReqInfo sets ReqInfo in the context.
|
|
func SetReqInfo(ctx context.Context, req *ReqInfo) context.Context {
|
|
if ctx == nil {
|
|
LogIf(context.Background(), fmt.Errorf("context is nil"))
|
|
return nil
|
|
}
|
|
return context.WithValue(ctx, contextLogKey, req)
|
|
}
|
|
|
|
// GetReqInfo returns ReqInfo if set.
|
|
func GetReqInfo(ctx context.Context) *ReqInfo {
|
|
if ctx != nil {
|
|
r, ok := ctx.Value(contextLogKey).(*ReqInfo)
|
|
if ok {
|
|
return r
|
|
}
|
|
r = &ReqInfo{}
|
|
SetReqInfo(ctx, r)
|
|
return r
|
|
}
|
|
return nil
|
|
}
|