forked from jaegertracing/jaeger
-
Notifications
You must be signed in to change notification settings - Fork 0
/
annotation.go
52 lines (45 loc) · 1.6 KB
/
annotation.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
// Copyright (c) 2017 Uber Technologies, 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 zipkin
import (
"strings"
"github.com/uber/jaeger/thrift-gen/zipkincore"
)
// IsServerCore checks to see if an annotation is a core server annotation
func IsServerCore(anno string) bool {
return anno == zipkincore.SERVER_SEND || anno == zipkincore.SERVER_RECV
}
// IsClientCore checks to see if an annotation is a core client annotation
func IsClientCore(anno string) bool {
return anno == zipkincore.CLIENT_SEND || anno == zipkincore.CLIENT_RECV
}
// IsCore checks to see if an annotation is a core annotation
func IsCore(anno string) bool {
return IsServerCore(anno) || IsClientCore(anno)
}
// FindServiceName finds annotation in Zipkin span that represents emitting service name.
func FindServiceName(span *zipkincore.Span) string {
for _, anno := range span.Annotations {
endpoint := anno.GetHost()
if endpoint == nil {
continue
}
if IsCore(anno.Value) || strings.Index(anno.Value, "haproxy.") == 0 {
if endpoint.GetServiceName() != "" {
return endpoint.GetServiceName()
}
}
}
return ""
}