forked from jaegertracing/jaeger
/
metrics.go
97 lines (82 loc) · 2.86 KB
/
metrics.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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
// Copyright (c) 2018 The Jaeger Authors.
//
// 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 reporter
import (
"github.com/uber/jaeger-lib/metrics"
"github.com/jaegertracing/jaeger/thrift-gen/jaeger"
"github.com/jaegertracing/jaeger/thrift-gen/zipkincore"
)
const (
jaegerBatches = "jaeger"
zipkinBatches = "zipkin"
)
type batchMetrics struct {
// Number of successful batch submissions to collector
BatchesSubmitted metrics.Counter `metric:"batches.submitted"`
// Number of failed batch submissions to collector
BatchesFailures metrics.Counter `metric:"batches.failures"`
// Number of spans in a batch submitted to collector
BatchSize metrics.Gauge `metric:"batch_size"`
// Number of successful span submissions to collector
SpansSubmitted metrics.Counter `metric:"spans.submitted"`
// Number of failed span submissions to collector
SpansFailures metrics.Counter `metric:"spans.failures"`
}
// MetricsReporter is reporter with metrics integration.
type MetricsReporter struct {
wrapped Reporter
// counters grouped by the type of data format (Jaeger or Zipkin).
metrics map[string]batchMetrics
}
// WrapWithMetrics wraps Reporter and creates metrics for its invocations.
func WrapWithMetrics(reporter Reporter, mFactory metrics.Factory) *MetricsReporter {
batchesMetrics := map[string]batchMetrics{}
for _, s := range []string{zipkinBatches, jaegerBatches} {
bm := batchMetrics{}
metrics.MustInit(&bm,
mFactory.Namespace(metrics.NSOptions{
Name: "reporter",
Tags: map[string]string{"format": s},
}),
nil)
batchesMetrics[s] = bm
}
return &MetricsReporter{wrapped: reporter, metrics: batchesMetrics}
}
// EmitZipkinBatch emits batch to collector.
func (r *MetricsReporter) EmitZipkinBatch(spans []*zipkincore.Span) error {
err := r.wrapped.EmitZipkinBatch(spans)
updateMetrics(r.metrics[zipkinBatches], int64(len(spans)), err)
return err
}
// EmitBatch emits batch to collector.
func (r *MetricsReporter) EmitBatch(batch *jaeger.Batch) error {
size := int64(0)
if batch != nil {
size = int64(len(batch.GetSpans()))
}
err := r.wrapped.EmitBatch(batch)
updateMetrics(r.metrics[jaegerBatches], size, err)
return err
}
func updateMetrics(m batchMetrics, size int64, err error) {
if err != nil {
m.BatchesFailures.Inc(1)
m.SpansFailures.Inc(size)
} else {
m.BatchSize.Update(size)
m.BatchesSubmitted.Inc(1)
m.SpansSubmitted.Inc(size)
}
}