-
Notifications
You must be signed in to change notification settings - Fork 216
/
zc_policy_telemetry.go
51 lines (45 loc) · 1.64 KB
/
zc_policy_telemetry.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
package azbfs
import (
"bytes"
"context"
"fmt"
"os"
"runtime"
"github.com/Azure/azure-pipeline-go/pipeline"
)
// TelemetryOptions configures the telemetry policy's behavior.
type TelemetryOptions struct {
// Value is a string prepended to each request's User-Agent and sent to the service.
// The service records the user-agent in logs for diagnostics and tracking of client requests.
Value string
}
// NewTelemetryPolicyFactory creates a factory that can create telemetry policy objects
// which add telemetry information to outgoing HTTP requests.
func NewTelemetryPolicyFactory(o TelemetryOptions) pipeline.Factory {
b := &bytes.Buffer{}
b.WriteString(o.Value)
if b.Len() > 0 {
b.WriteRune(' ')
}
fmt.Fprintf(b, "Azure-Storage/%s %s", serviceLibVersion, platformInfo)
telemetryValue := b.String()
return pipeline.FactoryFunc(func(next pipeline.Policy, po *pipeline.PolicyOptions) pipeline.PolicyFunc {
return func(ctx context.Context, request pipeline.Request) (pipeline.Response, error) {
request.Header.Set("User-Agent", telemetryValue)
return next.Do(ctx, request)
}
})
}
// NOTE: the ONLY function that should write to this variable is this func
var platformInfo = func() string {
// Azure-Storage/version (runtime; os type and version)”
// Azure-Storage/1.4.0 (NODE-VERSION v4.5.0; Windows_NT 10.0.14393)'
operatingSystem := runtime.GOOS // Default OS string
switch operatingSystem {
case "windows":
operatingSystem = os.Getenv("OS") // Get more specific OS information
case "linux": // accept default OS info
case "freebsd": // accept default OS info
}
return fmt.Sprintf("(%s; %s)", runtime.Version(), operatingSystem)
}()