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telemetry.go
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telemetry.go
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package telemetry
import (
"code.cloudfoundry.org/cfdev/cfanalytics"
"code.cloudfoundry.org/cfdev/config"
"code.cloudfoundry.org/cfdev/errors"
"github.com/spf13/cobra"
"os"
"path/filepath"
"runtime"
)
type UI interface {
Say(message string, args ...interface{})
}
type Toggle interface {
Enabled() bool
SetCustomAnalyticsEnabled(value bool) error
SetCFAnalyticsEnabled(value bool) error
}
type Analytics interface {
Event(event string, data ...map[string]interface{}) error
}
//go:generate mockgen -package mocks -destination mocks/analyticsd.go code.cloudfoundry.org/cfdev/cmd/telemetry AnalyticsD
type AnalyticsD interface {
Start() error
Stop() error
Destroy() error
IsRunning() (bool, error)
}
type Telemetry struct {
UI UI
Analytics Analytics
AnalyticsToggle Toggle
AnalyticsD AnalyticsD
Config config.Config
Args struct {
FlagOff bool
FlagOn bool
}
}
func (t *Telemetry) Cmd() *cobra.Command {
cmd := &cobra.Command{
Use: "telemetry",
Short: "Show status for collecting anonymous usage telemetry",
RunE: t.RunE,
}
cmd.PersistentFlags().BoolVar(&t.Args.FlagOff, "off", false, "Disable the collection of anonymous usage telemetry")
cmd.PersistentFlags().BoolVar(&t.Args.FlagOn, "on", false, "Enable the collection of anonymous usage telemetry")
return cmd
}
func (t *Telemetry) RunE(cmd *cobra.Command, args []string) error {
if t.Args.FlagOff {
err := t.turnTelemetryOff()
if err != nil {
return err
}
} else if t.Args.FlagOn {
if runtime.GOOS == "windows" {
if _, err := os.Stat(filepath.Join(t.Config.BinaryDir)); os.IsNotExist(err) {
t.UI.Say("Please run 'cf dev start' before attempting to turn on telemetry")
return nil
}
}
err := t.turnTelemetryOn()
if err != nil {
return err
}
}
if t.AnalyticsToggle.Enabled() {
t.UI.Say("Telemetry is turned ON")
} else {
t.UI.Say("Telemetry is turned OFF")
}
return nil
}
func (t *Telemetry) turnTelemetryOff() error {
t.Analytics.Event(cfanalytics.STOP_TELEMETRY)
if err := t.AnalyticsToggle.SetCustomAnalyticsEnabled(false); err != nil {
return errors.SafeWrap(err, "turning off telemetry")
}
isRunning, err := t.AnalyticsD.IsRunning()
if err != nil {
return errors.SafeWrap(err, "checking if analyticsd is running")
}
if isRunning {
if err := t.AnalyticsD.Stop(); err != nil {
return errors.SafeWrap(err, "turning off analyticsd")
}
if err := t.AnalyticsD.Destroy(); err != nil {
return errors.SafeWrap(err, "destroying analyticsd")
}
}
return nil
}
func (t *Telemetry) turnTelemetryOn() error {
if err := t.AnalyticsToggle.SetCFAnalyticsEnabled(true); err != nil {
return errors.SafeWrap(err, "turning on telemetry")
}
isRunning, err := t.AnalyticsD.IsRunning()
if err != nil {
return errors.SafeWrap(err, "checking if analyticsd is running")
}
if !isRunning {
if err := t.AnalyticsD.Start(); err != nil {
return errors.SafeWrap(err, "turning on analyticsd")
}
}
return nil
}