chore(telemetry): add environment variable to optionally disable tele…

…metry (#2810)

* Add DISABLE_TELEMETRY env variable & functionality

* WIP create test for DISABLE_TELEMETRY env variable

* Update DISABLE_TELEMETRY and remove wip test

* Clean code up

packages/cli/src/global_telemetry.ts

@@ -13,6 +13,7 @@ const {version} = require('../package.json')
 
 const root = path.resolve(__dirname, '../package.json')
 const isDev = process.env.IS_DEV_ENVIRONMENT === 'true'
+const isTelemetryDisabled = process.env.DISABLE_TELEMETRY === 'true'
 
 function getToken() {
   const config = new Config({root})
@@ -152,6 +153,10 @@ export function reportCmdNotFound(config: any) {
 
 export async function sendTelemetry(currentTelemetry: any,  rollbarCb?: () => void) {
   // send telemetry to honeycomb and rollbar
+  if (isTelemetryDisabled) {
+    return
+  }
+
   const telemetry = currentTelemetry
 
   if (telemetry instanceof Error) {