mirror of
https://github.com/ceph/ceph-csi.git
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43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
/*
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Copyright 2019 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"context"
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"fmt"
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)
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type contextKey string
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// CtxKey for context based logging.
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var CtxKey = contextKey("ID")
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// ReqID for logging request ID.
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var ReqID = contextKey("Req-ID")
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// Log helps in context based logging.
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func Log(ctx context.Context, format string) string {
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id := ctx.Value(CtxKey)
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if id == nil {
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return format
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}
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a := fmt.Sprintf("ID: %v ", id)
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reqID := ctx.Value(ReqID)
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if reqID == nil {
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return a + format
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}
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a += fmt.Sprintf("Req-ID: %v ", reqID)
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return a + format
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}
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