feat: disable telemetry with env var from v2 (#1152)

* feat: disable telemetry with env var from v2

* feat: disable telemetry with DO_NOT_TRACK

cmd/sst/main.go

@@ -947,6 +947,8 @@ var root = &cli.Command{
 					"- General machine information, like the number of CPUs, OS, CI/CD environment, etc.",
 					"",
 					"This is completely optional and can be disabled at any time.",
+					"",
+					"You can also opt-out by setting an environment variable: `SST_TELEMETRY_DISABLED=1` or `DO_NOT_TRACK=1`.",
 				}, "\n"),
 			},
 			Children: []*cli.Command{

pkg/flag/flag.go

@@ -10,4 +10,5 @@ var SST_PULUMI_PATH = os.Getenv("SST_PULUMI_PATH")
 var SST_PRINT_LOGS = os.Getenv("SST_PRINT_LOGS") != ""
 var SST_BUILD_CONCURRENCY = os.Getenv("SST_BUILD_CONCURRENCY")
 var SST_SKIP_DEPENDENCY_CHECK = os.Getenv("SST_SKIP_DEPENDENCY_CHECK") != ""
+var SST_TELEMETRY_DISABLED = os.Getenv("SST_TELEMETRY_DISABLED") == "1" || os.Getenv("DO_NOT_TRACK") == "1"
 var NO_BUN = os.Getenv("NO_BUN") != ""

pkg/telemetry/telemetry.go

@@ -12,6 +12,7 @@ import (
 	"github.com/posthog/posthog-go"
 	"github.com/sst/ion/internal/fs"
 	"github.com/sst/ion/internal/util"
+	"github.com/sst/ion/pkg/flag"
 	"github.com/sst/ion/pkg/global"
 )
 
@@ -38,7 +39,7 @@ func Enable() error {
 func IsEnabled() bool {
 	path := filepath.Join(global.ConfigDir(), TELEMETRY_DISABLED_KEY)
 	_, err := os.Stat(path)
-	return os.IsNotExist(err)
+	return os.IsNotExist(err) && !flag.SST_TELEMETRY_DISABLED
 }
 
 // detectCI attempts to detect the CI environment and returns its name if detected, empty string otherwise.