forked from DataDog/dd-trace-go
-
Notifications
You must be signed in to change notification settings - Fork 0
/
option.go
60 lines (51 loc) · 1.52 KB
/
option.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
// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016 Datadog, Inc.
package redis // import "gopkg.in/DataDog/dd-trace-go.v1/contrib/go-redis/redis"
import (
"math"
"gopkg.in/DataDog/dd-trace-go.v1/internal"
)
type clientConfig struct {
serviceName string
analyticsRate float64
}
// ClientOption represents an option that can be used to create or wrap a client.
type ClientOption func(*clientConfig)
func defaults(cfg *clientConfig) {
cfg.serviceName = "redis.client"
// cfg.analyticsRate = globalconfig.AnalyticsRate()
if internal.BoolEnv("DD_TRACE_REDIS_ANALYTICS_ENABLED", false) {
cfg.analyticsRate = 1.0
} else {
cfg.analyticsRate = math.NaN()
}
}
// WithServiceName sets the given service name for the client.
func WithServiceName(name string) ClientOption {
return func(cfg *clientConfig) {
cfg.serviceName = name
}
}
// WithAnalytics enables Trace Analytics for all started spans.
func WithAnalytics(on bool) ClientOption {
return func(cfg *clientConfig) {
if on {
cfg.analyticsRate = 1.0
} else {
cfg.analyticsRate = math.NaN()
}
}
}
// WithAnalyticsRate sets the sampling rate for Trace Analytics events
// correlated to started spans.
func WithAnalyticsRate(rate float64) ClientOption {
return func(cfg *clientConfig) {
if rate >= 0.0 && rate <= 1.0 {
cfg.analyticsRate = rate
} else {
cfg.analyticsRate = math.NaN()
}
}
}