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Add Tracing Header Context Name option for Jaeger

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This commit is contained in:
Mohamed Abdelkader Hizaoui 2019-02-05 18:20:03 +01:00 • committed by Traefiker Bot
parent f0ee2890b2
commit 156f6b8d3c
17 changed files with 327 additions and 49 deletions
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23
vendor/github.com/uber/jaeger-client-go/zipkin_thrift_span.go generated vendored
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@ -27,9 +27,6 @@ import (
)
const (
// maxAnnotationLength is the max length of byte array or string allowed in the annotations
maxAnnotationLength = 256
// Zipkin UI does not work well with non-string tag values
allowPackedNumbers = false
)
@ -98,7 +95,7 @@ func buildAnnotations(span *zipkinSpan, endpoint *z.Endpoint) []*z.Annotation {
Timestamp: utils.TimeToMicrosecondsSinceEpochInt64(log.Timestamp),
Host: endpoint}
if content, err := spanlog.MaterializeWithJSON(log.Fields); err == nil {
anno.Value = truncateString(string(content))
anno.Value = truncateString(string(content), span.tracer.options.maxTagValueLength)
} else {
anno.Value = err.Error()
}
@ -148,21 +145,21 @@ func buildBinaryAnnotations(span *zipkinSpan, endpoint *z.Endpoint) []*z.BinaryA
if _, ok := specialTagHandlers[tag.key]; ok {
continue
}
if anno := buildBinaryAnnotation(tag.key, tag.value, nil); anno != nil {
if anno := buildBinaryAnnotation(tag.key, tag.value, span.tracer.options.maxTagValueLength, nil); anno != nil {
annotations = append(annotations, anno)
}
}
return annotations
}
func buildBinaryAnnotation(key string, val interface{}, endpoint *z.Endpoint) *z.BinaryAnnotation {
func buildBinaryAnnotation(key string, val interface{}, maxTagValueLength int, endpoint *z.Endpoint) *z.BinaryAnnotation {
bann := &z.BinaryAnnotation{Key: key, Host: endpoint}
if value, ok := val.(string); ok {
bann.Value = []byte(truncateString(value))
bann.Value = []byte(truncateString(value, maxTagValueLength))
bann.AnnotationType = z.AnnotationType_STRING
} else if value, ok := val.([]byte); ok {
if len(value) > maxAnnotationLength {
value = value[:maxAnnotationLength]
if len(value) > maxTagValueLength {
value = value[:maxTagValueLength]
}
bann.Value = value
bann.AnnotationType = z.AnnotationType_BYTES
@ -180,7 +177,7 @@ func buildBinaryAnnotation(key string, val interface{}, endpoint *z.Endpoint) *z
bann.AnnotationType = z.AnnotationType_BOOL
} else {
value := stringify(val)
bann.Value = []byte(truncateString(value))
bann.Value = []byte(truncateString(value, maxTagValueLength))
bann.AnnotationType = z.AnnotationType_STRING
}
return bann
@ -193,12 +190,12 @@ func stringify(value interface{}) string {
return fmt.Sprintf("%+v", value)
}
func truncateString(value string) string {
func truncateString(value string, maxLength int) string {
// we ignore the problem of utf8 runes possibly being sliced in the middle,
// as it is rather expensive to iterate through each tag just to find rune
// boundaries.
if len(value) > maxAnnotationLength {
return value[:maxAnnotationLength]
if len(value) > maxLength {
return value[:maxLength]
}
return value
}