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feat: introduce usage analytics (#379)
Analytics were temporarily removed as we sent them to a third-party server. With this new implementation, these are being sent to Kong Inc directly. Furthermore, to alleviate concerns raised in #242, we are now providing a flag on the root-level, in addition to DECK_ANALYTICS environment variable to tweak the setting.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "net" | ||
| "os" | ||
| "runtime" | ||
| "strings" | ||
|
|
||
| "github.com/shirou/gopsutil/v3/host" | ||
| ) | ||
|
|
||
| const ( | ||
| reportsHost = "kong-hf.konghq.com" | ||
| reportsPort = 61829 | ||
| ) | ||
|
|
||
| func SendAnalytics(cmd, deckVersion, kongVersion string) error { | ||
| if strings.ToLower(os.Getenv("DECK_ANALYTICS")) == "off" { | ||
| return nil | ||
| } | ||
| if cmd == "" { | ||
| return fmt.Errorf("invalid argument, 'cmd' cannot be empty") | ||
| } | ||
|
|
||
| stats := collectStats(cmd, deckVersion, kongVersion) | ||
| body := formatStats(stats) | ||
|
|
||
| addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", reportsHost, reportsPort)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| conn, err := net.DialUDP("udp", nil, addr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer conn.Close() | ||
|
|
||
| _, err = conn.Write([]byte(body)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func formatStats(stats map[string]string) string { | ||
| var buffer bytes.Buffer | ||
| buffer.WriteString("<14>") | ||
| for k, v := range stats { | ||
| buffer.WriteString(fmt.Sprintf("%s=%s;", k, v)) | ||
| } | ||
| return buffer.String() | ||
| } | ||
|
|
||
| func collectStats(cmd, deckVersion, kongVersion string) map[string]string { | ||
| result := map[string]string{ | ||
| "signal": "decK", | ||
| "v": deckVersion, | ||
| "cmd": cmd, | ||
| "os": runtime.GOOS, | ||
| "arch": runtime.GOARCH, | ||
| } | ||
| if kongVersion != "" { | ||
| result["kv"] = kongVersion | ||
| } | ||
| info, err := host.Info() | ||
| if err == nil { | ||
| result["osv"] = info.Platform + " " + info.PlatformVersion | ||
| } | ||
| return result | ||
| } |