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telemetry.ts
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telemetry.ts
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import * as fs from "fs-extra"
import os from "os"
import {
isCI,
getCIName,
createContentDigest,
getTermProgram,
uuid,
} from "gatsby-core-utils"
import {
getRepositoryId as _getRepositoryId,
IRepositoryId,
} from "./repository-id"
import { createFlush } from "./create-flush"
import { EventStorage } from "./event-storage"
import { showAnalyticsNotification } from "./show-analytics-notification"
import { cleanPaths } from "./error-helpers"
import { getDependencies } from "./get-dependencies"
import isDocker from "is-docker"
import lodash from "lodash"
const typedUUIDv4 = uuid.v4 as () => string
const finalEventRegex = /(END|STOP)$/
const dbEngine = `redux`
export type SemVer = string
interface IOSInfo {
nodeVersion: SemVer
platform: string
release: string
cpus?: string
arch: string
ci?: boolean
ciName: string | null
docker?: boolean
termProgram?: string
isTTY: boolean
}
export interface IAggregateStats {
count: number
min: number
max: number
sum: number
mean: number
median: number
stdDev: number
skewness: number
}
interface IAnalyticsTrackerConstructorParameters {
componentId?: SemVer
gatsbyCliVersion?: SemVer
trackingEnabled?: boolean
}
export interface IStructuredError {
id?: string
code?: string
text: string
level?: string
type?: string
context?: unknown
error?: {
stack?: string
}
}
export interface IStructuredErrorV2 {
id?: string
text: string
level?: string
type?: string
context?: string
stack?: string
}
export interface ITelemetryTagsPayload {
name?: string
starterName?: string
siteName?: string
siteHash?: string
userAgent?: string
pluginName?: string
exitCode?: number
duration?: number
uiSource?: string
valid?: boolean
plugins?: Array<string>
pathname?: string
error?: IStructuredError | Array<IStructuredError>
cacheStatus?: string
pluginCachePurged?: string
dependencies?: Array<string>
devDependencies?: Array<string>
siteMeasurements?: {
pagesCount?: number
totalPagesCount?: number
createdNodesCount?: number
touchedNodesCount?: number
updatedNodesCount?: number
deletedNodesCount?: number
clientsCount?: number
paths?: Array<string | undefined>
bundleStats?: unknown
pageDataStats?: unknown
queryStats?: unknown
SSRCount?: number
DSGCount?: number
SSGCount?: number
}
errorV2?: IStructuredErrorV2
valueString?: string
valueStringArray?: Array<string>
valueInteger?: number
valueBoolean?: boolean
}
export interface IDefaultTelemetryTagsPayload extends ITelemetryTagsPayload {
gatsbyCliVersion?: SemVer
installedGatsbyVersion?: SemVer
}
export interface ITelemetryOptsPayload {
debounce?: boolean
}
export class AnalyticsTracker {
store = new EventStorage()
componentId: string
debouncer = {}
metadataCache = {}
defaultTags = {}
osInfo?: IOSInfo // lazy
trackingEnabled?: boolean // lazy
componentVersion?: string
sessionId: string = this.getSessionId()
gatsbyCliVersion?: SemVer
installedGatsbyVersion?: SemVer
repositoryId?: IRepositoryId
features = new Set<string>()
machineId: string
siteHash?: string = createContentDigest(process.cwd())
lastEnvTagsFromFileTime = 0
lastEnvTagsFromFileValue: ITelemetryTagsPayload = {}
constructor({
componentId,
gatsbyCliVersion,
trackingEnabled,
}: IAnalyticsTrackerConstructorParameters = {}) {
this.componentId = componentId || `gatsby-cli`
try {
if (this.store.isTrackingDisabled()) {
this.trackingEnabled = false
}
if (trackingEnabled !== undefined) {
this.trackingEnabled = trackingEnabled
}
this.defaultTags = this.getTagsFromEnv()
// These may throw and should be last
this.componentVersion = require(`../package.json`).version
this.gatsbyCliVersion = gatsbyCliVersion || this.getGatsbyCliVersion()
this.installedGatsbyVersion = this.getGatsbyVersion()
} catch (e) {
// ignore
}
this.machineId = this.getMachineId()
this.captureMetadataEvent()
}
// We might have two instances of this lib loaded, one from globally installed gatsby-cli and one from local gatsby.
// Hence we need to use process level globals that are not scoped to this module.
// Due to the forking on develop process, we also need to pass this via process.env so that child processes have the same sessionId
getSessionId(): string {
const p = process as any
if (!p.gatsbyTelemetrySessionId) {
const inherited = process.env.INTERNAL_GATSBY_TELEMETRY_SESSION_ID
if (inherited) {
p.gatsbyTelemetrySessionId = inherited
} else {
p.gatsbyTelemetrySessionId = uuid.v4()
process.env.INTERNAL_GATSBY_TELEMETRY_SESSION_ID =
p.gatsbyTelemetrySessionId
}
} else if (!process.env.INTERNAL_GATSBY_TELEMETRY_SESSION_ID) {
// in case older `gatsby-telemetry` already set `gatsbyTelemetrySessionId` property on process
// but didn't set env var - let's make sure env var is set
process.env.INTERNAL_GATSBY_TELEMETRY_SESSION_ID =
p.gatsbyTelemetrySessionId
}
return p.gatsbyTelemetrySessionId
}
getRepositoryId(): IRepositoryId {
if (!this.repositoryId) {
this.repositoryId = _getRepositoryId()
}
return this.repositoryId
}
getTagsFromEnv(): Record<string, unknown> {
if (process.env.GATSBY_TELEMETRY_TAGS) {
try {
return JSON.parse(process.env.GATSBY_TELEMETRY_TAGS)
} catch (_) {
// ignore
}
}
return {}
}
getGatsbyVersion(): SemVer {
try {
const packageJson = require.resolve(`gatsby/package.json`)
const { version } = JSON.parse(fs.readFileSync(packageJson, `utf-8`))
return version
} catch (e) {
// ignore
}
return `-0.0.0`
}
getGatsbyCliVersion(): SemVer {
try {
const jsonfile = require.resolve(`gatsby-cli/package.json`)
const { version } = JSON.parse(fs.readFileSync(jsonfile, `utf-8`))
return version
} catch (e) {
// ignore
}
return `-0.0.0`
}
trackCli(
type: string | Array<string> = ``,
tags: ITelemetryTagsPayload = {},
opts: ITelemetryOptsPayload = { debounce: false }
): void {
if (!this.isTrackingEnabled()) {
return
}
if (typeof tags.siteHash === `undefined`) {
tags.siteHash = this.siteHash
}
this.captureEvent(type, tags, opts)
}
captureEvent(
type: string | Array<string> = ``,
tags: ITelemetryTagsPayload = {},
opts: ITelemetryOptsPayload = { debounce: false }
): void {
if (!this.isTrackingEnabled()) {
return
}
let baseEventType = `CLI_COMMAND`
if (Array.isArray(type)) {
type = type.length > 2 ? type[2].toUpperCase() : ``
baseEventType = `CLI_RAW_COMMAND`
}
const decoration = this.metadataCache[type]
const eventType = `${baseEventType}_${type}`
if (opts.debounce) {
const debounceTime = 5 * 1000
const now = Date.now()
const debounceKey = JSON.stringify({ type, decoration, tags })
const last = this.debouncer[debounceKey] || 0
if (now - last < debounceTime) {
return
}
this.debouncer[debounceKey] = now
}
delete this.metadataCache[type]
this.buildAndStoreEvent(eventType, lodash.merge({}, tags, decoration))
}
isFinalEvent(event: string): boolean {
return finalEventRegex.test(event)
}
captureError(type: string, tags: ITelemetryTagsPayload = {}): void {
if (!this.isTrackingEnabled()) {
return
}
const decoration = this.metadataCache[type]
delete this.metadataCache[type]
const eventType = `CLI_ERROR_${type}`
this.formatErrorAndStoreEvent(eventType, lodash.merge({}, tags, decoration))
}
captureBuildError(type: string, tags: ITelemetryTagsPayload = {}): void {
if (!this.isTrackingEnabled()) {
return
}
const decoration = this.metadataCache[type]
delete this.metadataCache[type]
const eventType = `BUILD_ERROR_${type}`
this.formatErrorAndStoreEvent(eventType, lodash.merge({}, tags, decoration))
}
formatErrorAndStoreEvent(
eventType: string,
tags: ITelemetryTagsPayload
): void {
if (tags.error) {
// `error` ought to have been `errors` but is `error` in the database
if (Array.isArray(tags.error)) {
const { error, ...restOfTags } = tags
error.forEach(err => {
this.formatErrorAndStoreEvent(eventType, {
error: err,
...restOfTags,
})
})
return
}
tags.errorV2 = {
// errorCode field was changed from `id` to `code`
id: tags.error.code || tags.error.id,
text: cleanPaths(tags.error.text),
level: tags.error.level,
type: tags.error?.type,
// see if we need empty string or can just use NULL
stack: cleanPaths(tags.error?.error?.stack || ``),
context: cleanPaths(JSON.stringify(tags.error?.context)),
}
delete tags.error
}
this.buildAndStoreEvent(eventType, tags)
}
buildAndStoreEvent(eventType: string, tags: ITelemetryTagsPayload): void {
const event = {
installedGatsbyVersion: this.installedGatsbyVersion,
gatsbyCliVersion: this.gatsbyCliVersion,
...lodash.merge({}, this.defaultTags, tags), // The schema must include these
eventType,
sessionId: this.sessionId,
time: new Date(),
machineId: this.getMachineId(),
componentId: this.componentId,
osInformation: this.getOsInfo(),
componentVersion: this.componentVersion,
dbEngine,
features: Array.from(this.features),
...this.getRepositoryId(),
...this.getTagsFromPath(),
}
this.store.addEvent(event)
if (this.isFinalEvent(eventType)) {
// call create flush
const flush = createFlush(this.isTrackingEnabled())
flush()
}
}
getTagsFromPath(): ITelemetryTagsPayload {
const path = process.env.GATSBY_TELEMETRY_METADATA_PATH
if (!path) {
return {}
}
try {
const stat = fs.statSync(path)
if (this.lastEnvTagsFromFileTime < stat.mtimeMs) {
this.lastEnvTagsFromFileTime = stat.mtimeMs
const data = fs.readFileSync(path, `utf8`)
this.lastEnvTagsFromFileValue = JSON.parse(data)
}
} catch (e) {
// nop
return {}
}
return this.lastEnvTagsFromFileValue
}
getIsTTY(): boolean {
return Boolean(process.stdout?.isTTY)
}
getMachineId(): string {
// Cache the result
if (this.machineId) {
return this.machineId
}
let machineId = this.store.getConfig(`telemetry.machineId`)
if (typeof machineId !== `string`) {
machineId = typedUUIDv4()
this.store.updateConfig(`telemetry.machineId`, machineId)
}
this.machineId = machineId
return machineId
}
isTrackingEnabled(): boolean {
// Cache the result
if (this.trackingEnabled !== undefined) {
return this.trackingEnabled
}
let enabled = this.store.getConfig(`telemetry.enabled`) as boolean | null
if (enabled === undefined || enabled === null) {
if (!isCI()) {
showAnalyticsNotification()
}
enabled = true
this.store.updateConfig(`telemetry.enabled`, enabled)
}
this.trackingEnabled = enabled
return enabled
}
getOsInfo(): IOSInfo {
if (this.osInfo) {
return this.osInfo
}
const cpus = os.cpus()
const osInfo = {
nodeVersion: process.version,
platform: os.platform(),
release: os.release(),
cpus: (cpus && cpus.length > 0 && cpus[0].model) || undefined,
arch: os.arch(),
ci: isCI(),
ciName: getCIName(),
docker: isDocker(),
termProgram: getTermProgram(),
isTTY: this.getIsTTY(),
}
this.osInfo = osInfo
return osInfo
}
trackActivity(source: string, tags: ITelemetryTagsPayload = {}): void {
if (!this.isTrackingEnabled()) {
return
}
// debounce by sending only the first event within a rolling window
const now = Date.now()
const last = this.debouncer[source] || 0
const debounceTime = 5 * 1000 // 5 sec
if (now - last > debounceTime) {
this.captureEvent(source, tags)
}
this.debouncer[source] = now
}
decorateNextEvent(event: string, obj): void {
const cached = this.metadataCache[event] || {}
this.metadataCache[event] = Object.assign(cached, obj)
}
addSiteMeasurement(
event: string,
obj: ITelemetryTagsPayload["siteMeasurements"]
): void {
const cachedEvent = this.metadataCache[event] || {}
const cachedMeasurements = cachedEvent.siteMeasurements || {}
this.metadataCache[event] = Object.assign(cachedEvent, {
siteMeasurements: Object.assign(cachedMeasurements, obj),
})
}
decorateAll(tags: ITelemetryTagsPayload): void {
this.defaultTags = Object.assign(this.defaultTags, tags)
}
setTelemetryEnabled(enabled: boolean): void {
this.trackingEnabled = enabled
this.store.updateConfig(`telemetry.enabled`, enabled)
}
aggregateStats(data: Array<number>): IAggregateStats {
const sum = data.reduce((acc, x) => acc + x, 0)
const mean = sum / data.length || 0
const median = data.sort()[Math.floor((data.length - 1) / 2)] || 0
const stdDev =
Math.sqrt(
data.reduce((acc, x) => acc + Math.pow(x - mean, 2), 0) /
(data.length - 1)
) || 0
const skewness =
data.reduce((acc, x) => acc + Math.pow(x - mean, 3), 0) /
data.length /
Math.pow(stdDev, 3)
return {
count: data.length,
min: data.reduce((acc, x) => (x < acc ? x : acc), data[0] || 0),
max: data.reduce((acc, x) => (x > acc ? x : acc), 0),
sum: sum,
mean: mean,
median: median,
stdDev: stdDev,
skewness: !Number.isNaN(skewness) ? skewness : 0,
}
}
captureMetadataEvent(): void {
if (!this.isTrackingEnabled()) {
return
}
const deps = getDependencies()
const evt = {
dependencies: deps?.dependencies,
devDependencies: deps?.devDependencies,
}
this.captureEvent(`METADATA`, evt)
}
async sendEvents(): Promise<boolean> {
if (!this.isTrackingEnabled()) {
return true
}
return this.store.sendEvents()
}
trackFeatureIsUsed(name: string): void {
this.features.add(name)
}
}