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Copy pathlog.go
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63 lines (54 loc) · 1.71 KB
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/*
* 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"
// Key used for Get/SetContext
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
UserAgent string // User Agent
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
}
// AppendTags - appends key/val to ReqInfo.Tags
func (r *ReqInfo) AppendTags(key string, val string) {
if r == nil {
return
}
r.Tags = append(r.Tags, KeyVal{key, val})
}
// SetContext sets ReqInfo in the context.
func SetContext(ctx context.Context, req *ReqInfo) context.Context {
return context.WithValue(ctx, contextLogKey, req)
}
// GetContext returns ReqInfo if set.
func GetContext(ctx context.Context) *ReqInfo {
r, ok := ctx.Value(contextLogKey).(*ReqInfo)
if ok {
return r
}
return nil
}