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Updates to @actions/artifact (#396)

* Add support for 429s and Exponential backoff

* Refactor status-reporter so it can be used with download and upload

* Extra logs

* Fixes around download & gzip

* Cleanup headers and add extra tests

* Improved Docs

* Spelling bloopers

* Improved error messages

* User http client version 1.0.7
pull/410/head
Konrad Pabjan 2020-04-08 16:55:18 +02:00 committed by GitHub
parent 36a4b7df61
commit 1b521c4778
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15 changed files with 759 additions and 296 deletions

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@ -4,6 +4,8 @@ import * as io from '../../io/src/io'
import * as net from 'net'
import * as path from 'path'
import * as configVariables from '../src/internal/config-variables'
import {promises as fs} from 'fs'
import {DownloadItem} from '../src/internal/download-specification'
import {HttpClient, HttpClientResponse} from '@actions/http-client'
import {DownloadHttpClient} from '../src/internal/download-http-client'
import {
@ -11,7 +13,7 @@ import {
QueryArtifactResponse
} from '../src/internal/contracts'
const root = path.join(__dirname, '_temp', 'artifact-download')
const root = path.join(__dirname, '_temp', 'artifact-download-tests')
jest.mock('../src/internal/config-variables')
jest.mock('@actions/http-client')
@ -19,12 +21,16 @@ jest.mock('@actions/http-client')
describe('Download Tests', () => {
beforeAll(async () => {
await io.rmRF(root)
await fs.mkdir(path.join(root), {
recursive: true
})
// mock all output so that there is less noise when running tests
jest.spyOn(console, 'log').mockImplementation(() => {})
jest.spyOn(core, 'debug').mockImplementation(() => {})
jest.spyOn(core, 'info').mockImplementation(() => {})
jest.spyOn(core, 'warning').mockImplementation(() => {})
jest.spyOn(core, 'error').mockImplementation(() => {})
})
/**
@ -107,6 +113,56 @@ describe('Download Tests', () => {
)
})
it('Test downloading an individual artifact with gzip', async () => {
setupDownloadItemResponse(true, 200)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileA.txt`,
targetPath: path.join(root, 'FileA.txt')
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
})
it('Test downloading an individual artifact without gzip', async () => {
setupDownloadItemResponse(false, 200)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileB.txt`,
targetPath: path.join(root, 'FileB.txt')
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
})
it('Test retryable status codes during artifact download', async () => {
// The first http response should return a retryable status call while the subsequent call should return a 200 so
// the download should successfully finish
const retryableStatusCodes = [429, 502, 503, 504]
for (const statusCode of retryableStatusCodes) {
setupDownloadItemResponse(false, statusCode)
const downloadHttpClient = new DownloadHttpClient()
const items: DownloadItem[] = []
items.push({
sourceLocation: `${configVariables.getRuntimeUrl()}_apis/resources/Containers/13?itemPath=my-artifact%2FFileC.txt`,
targetPath: path.join(root, 'FileC.txt')
})
await expect(
downloadHttpClient.downloadSingleArtifact(items)
).resolves.not.toThrow()
}
})
/**
* Helper used to setup mocking for the HttpClient
*/
@ -164,6 +220,60 @@ describe('Download Tests', () => {
})
}
/**
* Setups up HTTP GET response for downloading items
* @param isGzip is the downloaded item gzip encoded
* @param firstHttpResponseCode the http response code that should be returned
*/
function setupDownloadItemResponse(
isGzip: boolean,
firstHttpResponseCode: number
): void {
jest
.spyOn(DownloadHttpClient.prototype, 'pipeResponseToFile')
.mockImplementationOnce(async () => {
return new Promise<void>(resolve => {
resolve()
})
})
jest
.spyOn(HttpClient.prototype, 'get')
.mockImplementationOnce(async () => {
const mockMessage = new http.IncomingMessage(new net.Socket())
mockMessage.statusCode = firstHttpResponseCode
if (isGzip) {
mockMessage.headers = {
'content-type': 'gzip'
}
}
return new Promise<HttpClientResponse>(resolve => {
resolve({
message: mockMessage,
readBody: emptyMockReadBody
})
})
})
.mockImplementationOnce(async () => {
// chained response, if the HTTP GET function gets called again, return a successful response
const mockMessage = new http.IncomingMessage(new net.Socket())
mockMessage.statusCode = 200
if (isGzip) {
mockMessage.headers = {
'content-type': 'gzip'
}
}
return new Promise<HttpClientResponse>(resolve => {
resolve({
message: mockMessage,
readBody: emptyMockReadBody
})
})
})
}
/**
* Setups up HTTP GET response when querying for container items
*/

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@ -12,6 +12,7 @@ import {
PatchArtifactSizeSuccessResponse
} from '../src/internal/contracts'
import {UploadSpecification} from '../src/internal/upload-specification'
import {getArtifactUrl} from '../src/internal/utils'
const root = path.join(__dirname, '_temp', 'artifact-upload')
const file1Path = path.join(root, 'file1.txt')
@ -36,6 +37,7 @@ describe('Upload Tests', () => {
jest.spyOn(core, 'debug').mockImplementation(() => {})
jest.spyOn(core, 'info').mockImplementation(() => {})
jest.spyOn(core, 'warning').mockImplementation(() => {})
jest.spyOn(core, 'error').mockImplementation(() => {})
// setup mocking for calls that got through the HttpClient
setupHttpClientMock()
@ -99,7 +101,7 @@ describe('Upload Tests', () => {
uploadHttpClient.createArtifactInFileContainer(artifactName)
).rejects.toEqual(
new Error(
'Unable to create a container for the artifact invalid-artifact-name'
`Unable to create a container for the artifact invalid-artifact-name at ${getArtifactUrl()}`
)
)
})

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@ -4,7 +4,12 @@ import * as path from 'path'
import * as utils from '../src/internal/utils'
import * as core from '@actions/core'
import {HttpCodes} from '@actions/http-client'
import {getRuntimeUrl, getWorkFlowRunId} from '../src/internal/config-variables'
import {
getRuntimeUrl,
getWorkFlowRunId,
getInitialRetryIntervalInMilliseconds,
getRetryMultiplier
} from '../src/internal/config-variables'
jest.mock('../src/internal/config-variables')
@ -17,6 +22,30 @@ describe('Utils', () => {
jest.spyOn(core, 'warning').mockImplementation(() => {})
})
it('Check exponential retry range', () => {
// No retries should return the initial retry interval
const retryWaitTime0 = utils.getExponentialRetryTimeInMilliseconds(0)
expect(retryWaitTime0).toEqual(getInitialRetryIntervalInMilliseconds())
const testMinMaxRange = (retryCount: number): void => {
const retryWaitTime = utils.getExponentialRetryTimeInMilliseconds(
retryCount
)
const minRange =
getInitialRetryIntervalInMilliseconds() *
getRetryMultiplier() *
retryCount
const maxRange = minRange * getRetryMultiplier()
expect(retryWaitTime).toBeGreaterThanOrEqual(minRange)
expect(retryWaitTime).toBeLessThan(maxRange)
}
for (let i = 1; i < 10; i++) {
testMinMaxRange(i)
}
})
it('Check Artifact Name for any invalid characters', () => {
const invalidNames = [
'my\\artifact',
@ -88,13 +117,13 @@ describe('Utils', () => {
)
})
it('Test constructing headers with all optional parameters', () => {
const type = 'application/json'
it('Test constructing upload headers with all optional parameters', () => {
const contentType = 'application/octet-stream'
const size = 24
const uncompressedLength = 100
const range = 'bytes 0-199/200'
const options = utils.getRequestOptions(
type,
const options = utils.getUploadRequestOptions(
contentType,
true,
true,
uncompressedLength,
@ -103,9 +132,9 @@ describe('Utils', () => {
)
expect(Object.keys(options).length).toEqual(8)
expect(options['Accept']).toEqual(
`${type};api-version=${utils.getApiVersion()}`
`application/json;api-version=${utils.getApiVersion()}`
)
expect(options['Content-Type']).toEqual(type)
expect(options['Content-Type']).toEqual(contentType)
expect(options['Connection']).toEqual('Keep-Alive')
expect(options['Keep-Alive']).toEqual('10')
expect(options['Content-Encoding']).toEqual('gzip')
@ -114,9 +143,33 @@ describe('Utils', () => {
expect(options['Content-Range']).toEqual(range)
})
it('Test constructing headers with only required parameter', () => {
const options = utils.getRequestOptions()
expect(Object.keys(options).length).toEqual(1)
it('Test constructing upload headers with only required parameter', () => {
const options = utils.getUploadRequestOptions('application/octet-stream')
expect(Object.keys(options).length).toEqual(2)
expect(options['Accept']).toEqual(
`application/json;api-version=${utils.getApiVersion()}`
)
expect(options['Content-Type']).toEqual('application/octet-stream')
})
it('Test constructing download headers with all optional parameters', () => {
const contentType = 'application/json'
const options = utils.getDownloadRequestOptions(contentType, true, true)
expect(Object.keys(options).length).toEqual(5)
expect(options['Content-Type']).toEqual(contentType)
expect(options['Connection']).toEqual('Keep-Alive')
expect(options['Keep-Alive']).toEqual('10')
expect(options['Accept-Encoding']).toEqual('gzip')
expect(options['Accept']).toEqual(
`application/octet-stream;api-version=${utils.getApiVersion()}`
)
})
it('Test constructing download headers with only required parameter', () => {
const options = utils.getDownloadRequestOptions('application/octet-stream')
expect(Object.keys(options).length).toEqual(2)
expect(options['Content-Type']).toEqual('application/octet-stream')
// check for default accept type
expect(options['Accept']).toEqual(
`application/json;api-version=${utils.getApiVersion()}`
)
@ -137,11 +190,23 @@ describe('Utils', () => {
true
)
expect(utils.isRetryableStatusCode(HttpCodes.GatewayTimeout)).toEqual(true)
expect(utils.isRetryableStatusCode(429)).toEqual(true)
expect(utils.isRetryableStatusCode(HttpCodes.OK)).toEqual(false)
expect(utils.isRetryableStatusCode(HttpCodes.NotFound)).toEqual(false)
expect(utils.isRetryableStatusCode(HttpCodes.Forbidden)).toEqual(false)
})
it('Test Throttled Status Code', () => {
expect(utils.isThrottledStatusCode(429)).toEqual(true)
expect(utils.isThrottledStatusCode(HttpCodes.InternalServerError)).toEqual(
false
)
expect(utils.isThrottledStatusCode(HttpCodes.BadGateway)).toEqual(false)
expect(utils.isThrottledStatusCode(HttpCodes.ServiceUnavailable)).toEqual(
false
)
})
it('Test Creating Artifact Directories', async () => {
const root = path.join(__dirname, '_temp', 'artifact-download')
// remove directory before starting

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@ -6,9 +6,13 @@ Warning: Implementation details may change at any time without notice. This is m
![image](https://user-images.githubusercontent.com/16109154/77190819-38685d80-6ada-11ea-8281-4703ff8cc025.png)
## Retry Logic when downloading an individual file
![image](https://user-images.githubusercontent.com/16109154/78555461-5be71400-780d-11ea-9abd-b05b77a95a3f.png)
## Proxy support
This package uses the `@actions/http-client` NPM package internally which supports proxied requests out of the box.
This package uses the `@actions/http-client` NPM package internally which supports proxied requests out of the box.
## HttpManager

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@ -5,9 +5,9 @@
"requires": true,
"dependencies": {
"@actions/http-client": {
"version": "1.0.6",
"resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.6.tgz",
"integrity": "sha512-LGmio4w98UyGX33b/W6V6Nx/sQHRXZ859YlMkn36wPsXPB82u8xTVlA/Dq2DXrm6lEq9RVmisRJa1c+HETAIJA==",
"version": "1.0.7",
"resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.7.tgz",
"integrity": "sha512-PY3ys/XH5WMekkHyZhYSa/scYvlE5T/TV/T++vABHuY5ZRgtiBZkn2L2tV5Pv/xDCl59lSZb9WwRuWExDyAsSg==",
"requires": {
"tunnel": "0.0.6"
}

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@ -37,7 +37,7 @@
},
"dependencies": {
"@actions/core": "^1.2.1",
"@actions/http-client": "^1.0.6",
"@actions/http-client": "^1.0.7",
"@types/tmp": "^0.1.0",
"tmp": "^0.1.0",
"tmp-promise": "^2.0.2"

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@ -13,12 +13,16 @@ export function getUploadChunkSize(): number {
return 4 * 1024 * 1024 // 4 MB Chunks
}
export function getUploadRetryCount(): number {
return 1
export function getRetryLimit(): number {
return 2
}
export function getRetryWaitTimeInMilliseconds(): number {
return 1
export function getRetryMultiplier(): number {
return 1.5
}
export function getInitialRetryIntervalInMilliseconds(): number {
return 10
}
export function getDownloadFileConcurrency(): number {

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@ -173,6 +173,7 @@ export class DefaultArtifactClient implements ArtifactClient {
await createDirectoriesForArtifact(
downloadSpecification.directoryStructure
)
core.info('Directory structure has been setup for the artifact')
await downloadHttpClient.downloadSingleArtifact(
downloadSpecification.filesToDownload
)

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@ -1,19 +1,31 @@
// The number of concurrent uploads that happens at the same time
export function getUploadFileConcurrency(): number {
return 2
}
// When uploading large files that can't be uploaded with a single http call, this controls
// the chunk size that is used during upload
export function getUploadChunkSize(): number {
return 4 * 1024 * 1024 // 4 MB Chunks
}
export function getUploadRetryCount(): number {
return 3
// The maximum number of retries that can be attempted before an upload or download fails
export function getRetryLimit(): number {
return 5
}
export function getRetryWaitTimeInMilliseconds(): number {
return 10000
// With exponential backoff, the larger the retry count, the larger the wait time before another attempt
// The retry multiplier controls by how much the backOff time increases depending on the number of retries
export function getRetryMultiplier(): number {
return 1.5
}
// The initial wait time if an upload or download fails and a retry is being attempted for the first time
export function getInitialRetryIntervalInMilliseconds(): number {
return 3000
}
// The number of concurrent downloads that happens at the same time
export function getDownloadFileConcurrency(): number {
return 2
}

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@ -1,30 +1,35 @@
import * as fs from 'fs'
import * as core from '@actions/core'
import * as zlib from 'zlib'
import {
getArtifactUrl,
getRequestOptions,
getDownloadRequestOptions,
isSuccessStatusCode,
isRetryableStatusCode,
createHttpClient
isThrottledStatusCode,
getExponentialRetryTimeInMilliseconds,
tryGetRetryAfterValueTimeInMilliseconds,
displayHttpDiagnostics
} from './utils'
import {URL} from 'url'
import {StatusReporter} from './status-reporter'
import {performance} from 'perf_hooks'
import {ListArtifactsResponse, QueryArtifactResponse} from './contracts'
import {IHttpClientResponse} from '@actions/http-client/interfaces'
import {HttpManager} from './http-manager'
import {DownloadItem} from './download-specification'
import {
getDownloadFileConcurrency,
getRetryWaitTimeInMilliseconds
} from './config-variables'
import {warning} from '@actions/core'
import {getDownloadFileConcurrency, getRetryLimit} from './config-variables'
import {IncomingHttpHeaders} from 'http'
export class DownloadHttpClient {
// http manager is used for concurrent connection when downloading mulitple files at once
// http manager is used for concurrent connections when downloading multiple files at once
private downloadHttpManager: HttpManager
private statusReporter: StatusReporter
constructor() {
this.downloadHttpManager = new HttpManager(getDownloadFileConcurrency())
// downloads are usually significantly faster than uploads so display status information every second
this.statusReporter = new StatusReporter(1000)
}
/**
@ -32,18 +37,20 @@ export class DownloadHttpClient {
*/
async listArtifacts(): Promise<ListArtifactsResponse> {
const artifactUrl = getArtifactUrl()
// use the first client from the httpManager, `keep-alive` is not used so the connection will close immediatly
const client = this.downloadHttpManager.getClient(0)
const requestOptions = getRequestOptions('application/json')
const rawResponse = await client.get(artifactUrl, requestOptions)
const body: string = await rawResponse.readBody()
if (isSuccessStatusCode(rawResponse.message.statusCode) && body) {
// use the first client from the httpManager, `keep-alive` is not used so the connection will close immediately
const client = this.downloadHttpManager.getClient(0)
const requestOptions = getDownloadRequestOptions('application/json')
const response = await client.get(artifactUrl, requestOptions)
const body: string = await response.readBody()
if (isSuccessStatusCode(response.message.statusCode) && body) {
return JSON.parse(body)
}
// eslint-disable-next-line no-console
console.log(rawResponse)
throw new Error(`Unable to list artifacts for the run`)
displayHttpDiagnostics(response)
throw new Error(
`Unable to list artifacts for the run. Resource Url ${artifactUrl}`
)
}
/**
@ -59,18 +66,16 @@ export class DownloadHttpClient {
const resourceUrl = new URL(containerUrl)
resourceUrl.searchParams.append('itemPath', artifactName)
// no concurrent calls so a single httpClient without the http-manager is sufficient
const client = createHttpClient()
// use the first client from the httpManager, `keep-alive` is not used so the connection will close immediately
const client = this.downloadHttpManager.getClient(0)
const requestOptions = getDownloadRequestOptions('application/json')
const response = await client.get(resourceUrl.toString(), requestOptions)
const body: string = await response.readBody()
// no keep-alive header, client disposal is not necessary
const requestOptions = getRequestOptions('application/json')
const rawResponse = await client.get(resourceUrl.toString(), requestOptions)
const body: string = await rawResponse.readBody()
if (isSuccessStatusCode(rawResponse.message.statusCode) && body) {
if (isSuccessStatusCode(response.message.statusCode) && body) {
return JSON.parse(body)
}
// eslint-disable-next-line no-console
console.log(rawResponse)
displayHttpDiagnostics(response)
throw new Error(`Unable to get ContainersItems from ${resourceUrl}`)
}
@ -81,24 +86,53 @@ export class DownloadHttpClient {
async downloadSingleArtifact(downloadItems: DownloadItem[]): Promise<void> {
const DOWNLOAD_CONCURRENCY = getDownloadFileConcurrency()
// limit the number of files downloaded at a single time
core.debug(`Download file concurrency is set to ${DOWNLOAD_CONCURRENCY}`)
const parallelDownloads = [...new Array(DOWNLOAD_CONCURRENCY).keys()]
let currentFile = 0
let downloadedFiles = 0
core.info(
`Total number of files that will be downloaded: ${downloadItems.length}`
)
this.statusReporter.setTotalNumberOfFilesToProcess(downloadItems.length)
this.statusReporter.start()
await Promise.all(
parallelDownloads.map(async index => {
while (downloadedFiles < downloadItems.length) {
const currentFileToDownload = downloadItems[downloadedFiles]
downloadedFiles += 1
while (currentFile < downloadItems.length) {
const currentFileToDownload = downloadItems[currentFile]
currentFile += 1
const startTime = performance.now()
await this.downloadIndividualFile(
index,
currentFileToDownload.sourceLocation,
currentFileToDownload.targetPath
)
if (core.isDebug()) {
core.debug(
`File: ${++downloadedFiles}/${downloadItems.length}. ${
currentFileToDownload.targetPath
} took ${(performance.now() - startTime).toFixed(
3
)} milliseconds to finish downloading`
)
}
this.statusReporter.incrementProcessedCount()
}
})
)
// done downloading, safety dispose all connections
this.downloadHttpManager.disposeAndReplaceAllClients()
.catch(error => {
throw new Error(`Unable to download the artifact: ${error}`)
})
.finally(() => {
this.statusReporter.stop()
// safety dispose all connections
this.downloadHttpManager.disposeAndReplaceAllClients()
})
}
/**
@ -112,10 +146,20 @@ export class DownloadHttpClient {
artifactLocation: string,
downloadPath: string
): Promise<void> {
const stream = fs.createWriteStream(downloadPath)
const client = this.downloadHttpManager.getClient(httpClientIndex)
const requestOptions = getRequestOptions('application/octet-stream', true)
const response = await client.get(artifactLocation, requestOptions)
let retryCount = 0
const retryLimit = getRetryLimit()
const destinationStream = fs.createWriteStream(downloadPath)
const requestOptions = getDownloadRequestOptions(
'application/json',
true,
true
)
// a single GET request is used to download a file
const makeDownloadRequest = async (): Promise<IHttpClientResponse> => {
const client = this.downloadHttpManager.getClient(httpClientIndex)
return await client.get(artifactLocation, requestOptions)
}
// check the response headers to determine if the file was compressed using gzip
const isGzip = (headers: IncomingHttpHeaders): boolean => {
@ -124,66 +168,126 @@ export class DownloadHttpClient {
)
}
if (isSuccessStatusCode(response.message.statusCode)) {
await this.pipeResponseToStream(
response,
stream,
isGzip(response.message.headers)
)
} else if (isRetryableStatusCode(response.message.statusCode)) {
warning(
`Received http ${response.message.statusCode} during file download, will retry ${artifactLocation} after 10 seconds`
)
// if an error is encountered, dispose of the http connection, and create a new one
this.downloadHttpManager.disposeAndReplaceClient(httpClientIndex)
await new Promise(resolve =>
setTimeout(resolve, getRetryWaitTimeInMilliseconds())
)
const retryResponse = await client.get(artifactLocation)
if (isSuccessStatusCode(retryResponse.message.statusCode)) {
await this.pipeResponseToStream(
response,
stream,
isGzip(response.message.headers)
// Increments the current retry count and then checks if the retry limit has been reached
// If there have been too many retries, fail so the download stops. If there is a retryAfterValue value provided,
// it will be used
const backOff = async (retryAfterValue?: number): Promise<void> => {
retryCount++
if (retryCount > retryLimit) {
return Promise.reject(
new Error(
`Retry limit has been reached. Unable to download ${artifactLocation}`
)
)
} else {
// eslint-disable-next-line no-console
console.log(retryResponse)
throw new Error(`Unable to download ${artifactLocation}`)
this.downloadHttpManager.disposeAndReplaceClient(httpClientIndex)
if (retryAfterValue) {
// Back off by waiting the specified time denoted by the retry-after header
core.info(
`Backoff due to too many requests, retry #${retryCount}. Waiting for ${retryAfterValue} milliseconds before continuing the download`
)
await new Promise(resolve => setTimeout(resolve, retryAfterValue))
} else {
// Back off using an exponential value that depends on the retry count
const backoffTime = getExponentialRetryTimeInMilliseconds(retryCount)
core.info(
`Exponential backoff for retry #${retryCount}. Waiting for ${backoffTime} milliseconds before continuing the download`
)
await new Promise(resolve => setTimeout(resolve, backoffTime))
}
core.info(
`Finished backoff for retry #${retryCount}, continuing with download`
)
}
}
// keep trying to download a file until a retry limit has been reached
while (retryCount <= retryLimit) {
let response: IHttpClientResponse
try {
response = await makeDownloadRequest()
} catch (error) {
// if an error is caught, it is usually indicative of a timeout so retry the download
core.info('An error occurred while attempting to download a file')
// eslint-disable-next-line no-console
console.log(error)
// increment the retryCount and use exponential backoff to wait before making the next request
await backOff()
continue
}
if (isSuccessStatusCode(response.message.statusCode)) {
// The body contains the contents of the file however calling response.readBody() causes all the content to be converted to a string
// which can cause some gzip encoded data to be lost
// Instead of using response.readBody(), response.message is a readableStream that can be directly used to get the raw body contents
return this.pipeResponseToFile(
response,
destinationStream,
isGzip(response.message.headers)
)
} else if (isRetryableStatusCode(response.message.statusCode)) {
core.info(
`A ${response.message.statusCode} response code has been received while attempting to download an artifact`
)
// if a throttled status code is received, try to get the retryAfter header value, else differ to standard exponential backoff
isThrottledStatusCode(response.message.statusCode)
? await backOff(
tryGetRetryAfterValueTimeInMilliseconds(response.message.headers)
)
: await backOff()
} else {
// Some unexpected response code, fail immediately and stop the download
displayHttpDiagnostics(response)
return Promise.reject(
new Error(
`Unexpected http ${response.message.statusCode} during download for ${artifactLocation}`
)
)
}
} else {
// eslint-disable-next-line no-console
console.log(response)
throw new Error(`Unable to download ${artifactLocation}`)
}
}
/**
* Pipes the response from downloading an individual file to the appropriate stream
* @param response the http response recieved when downloading a file
* @param stream the stream where the file should be written to
* @param isGzip does the response need to be be uncompressed
* Pipes the response from downloading an individual file to the appropriate destination stream while decoding gzip content if necessary
* @param response the http response received when downloading a file
* @param destinationStream the stream where the file should be written to
* @param isGzip a boolean denoting if the content is compressed using gzip and if we need to decode it
*/
private async pipeResponseToStream(
async pipeResponseToFile(
response: IHttpClientResponse,
stream: NodeJS.WritableStream,
destinationStream: fs.WriteStream,
isGzip: boolean
): Promise<void> {
return new Promise(resolve => {
await new Promise((resolve, reject) => {
if (isGzip) {
// pipe the response into gunzip to decompress
const gunzip = zlib.createGunzip()
response.message
.pipe(gunzip)
.pipe(stream)
.pipe(destinationStream)
.on('close', () => {
resolve()
})
.on('error', error => {
core.error(
`An error has been encountered while decompressing and writing a downloaded file to ${destinationStream.path}`
)
reject(error)
})
} else {
response.message.pipe(stream).on('close', () => {
resolve()
})
response.message
.pipe(destinationStream)
.on('close', () => {
resolve()
})
.on('error', error => {
core.error(
`An error has been encountered while writing a downloaded file to ${destinationStream.path}`
)
reject(error)
})
}
})
return
}
}

View File

@ -0,0 +1,92 @@
import {info} from '@actions/core'
/**
* Status Reporter that displays information about the progress/status of an artifact that is being uploaded or downloaded
*
* Variable display time that can be adjusted using the displayFrequencyInMilliseconds variable
* The total status of the upload/download gets displayed according to this value
* If there is a large file that is being uploaded, extra information about the individual status can also be displayed using the updateLargeFileStatus function
*/
export class StatusReporter {
private totalNumberOfFilesToProcess = 0
private processedCount = 0
private displayFrequencyInMilliseconds: number
private largeFiles = new Map<string, string>()
private totalFileStatus: NodeJS.Timeout | undefined
private largeFileStatus: NodeJS.Timeout | undefined
constructor(displayFrequencyInMilliseconds: number) {
this.totalFileStatus = undefined
this.largeFileStatus = undefined
this.displayFrequencyInMilliseconds = displayFrequencyInMilliseconds
}
setTotalNumberOfFilesToProcess(fileTotal: number): void {
this.totalNumberOfFilesToProcess = fileTotal
}
start(): void {
// displays information about the total upload/download status
this.totalFileStatus = setInterval(() => {
// display 1 decimal place without any rounding
const percentage = this.formatPercentage(
this.processedCount,
this.totalNumberOfFilesToProcess
)
info(
`Total file count: ${
this.totalNumberOfFilesToProcess
} ---- Processed file #${this.processedCount} (${percentage.slice(
0,
percentage.indexOf('.') + 2
)}%)`
)
}, this.displayFrequencyInMilliseconds)
// displays extra information about any large files that take a significant amount of time to upload or download every 1 second
this.largeFileStatus = setInterval(() => {
for (const value of Array.from(this.largeFiles.values())) {
info(value)
}
// delete all entires in the map after displaying the information so it will not be displayed again unless explicitly added
this.largeFiles.clear()
}, 1000)
}
// if there is a large file that is being uploaded in chunks, this is used to display extra information about the status of the upload
updateLargeFileStatus(
fileName: string,
numerator: number,
denominator: number
): void {
// display 1 decimal place without any rounding
const percentage = this.formatPercentage(numerator, denominator)
const displayInformation = `Uploading ${fileName} (${percentage.slice(
0,
percentage.indexOf('.') + 2
)}%)`
// any previously added display information should be overwritten for the specific large file because a map is being used
this.largeFiles.set(fileName, displayInformation)
}
stop(): void {
if (this.totalFileStatus) {
clearInterval(this.totalFileStatus)
}
if (this.largeFileStatus) {
clearInterval(this.largeFileStatus)
}
}
incrementProcessedCount(): void {
this.processedCount++
}
private formatPercentage(numerator: number, denominator: number): string {
// toFixed() rounds, so use extra precision to display accurate information even though 4 decimal places are not displayed
return ((numerator / denominator) * 100).toFixed(4).toString()
}
}

View File

@ -43,7 +43,7 @@ export async function createGZipFileInBuffer(
const inputStream = fs.createReadStream(originalFilePath)
const gzip = zlib.createGzip()
inputStream.pipe(gzip)
// read stream into buffer, using experimental async itterators see https://github.com/nodejs/readable-stream/issues/403#issuecomment-479069043
// read stream into buffer, using experimental async iterators see https://github.com/nodejs/readable-stream/issues/403#issuecomment-479069043
const chunks = []
for await (const chunk of gzip) {
chunks.push(chunk)

View File

@ -1,4 +1,5 @@
import * as fs from 'fs'
import * as core from '@actions/core'
import * as tmp from 'tmp-promise'
import * as stream from 'stream'
import {
@ -10,21 +11,23 @@ import {
import {
getArtifactUrl,
getContentRange,
getRequestOptions,
getUploadRequestOptions,
isRetryableStatusCode,
isSuccessStatusCode
isSuccessStatusCode,
isThrottledStatusCode,
displayHttpDiagnostics,
getExponentialRetryTimeInMilliseconds,
tryGetRetryAfterValueTimeInMilliseconds
} from './utils'
import {
getUploadChunkSize,
getUploadFileConcurrency,
getUploadRetryCount,
getRetryWaitTimeInMilliseconds
getRetryLimit
} from './config-variables'
import {promisify} from 'util'
import {URL} from 'url'
import {performance} from 'perf_hooks'
import {UploadStatusReporter} from './upload-status-reporter'
import {debug, warning, info} from '@actions/core'
import {StatusReporter} from './status-reporter'
import {HttpClientResponse} from '@actions/http-client/index'
import {IHttpClientResponse} from '@actions/http-client/interfaces'
import {HttpManager} from './http-manager'
@ -35,11 +38,11 @@ const stat = promisify(fs.stat)
export class UploadHttpClient {
private uploadHttpManager: HttpManager
private statusReporter: UploadStatusReporter
private statusReporter: StatusReporter
constructor() {
this.uploadHttpManager = new HttpManager(getUploadFileConcurrency())
this.statusReporter = new UploadStatusReporter()
this.statusReporter = new StatusReporter(10000)
}
/**
@ -57,19 +60,18 @@ export class UploadHttpClient {
const data: string = JSON.stringify(parameters, null, 2)
const artifactUrl = getArtifactUrl()
// use the first client from the httpManager, `keep-alive` is not used so the connection will close immediatly
// use the first client from the httpManager, `keep-alive` is not used so the connection will close immediately
const client = this.uploadHttpManager.getClient(0)
const requestOptions = getRequestOptions('application/json', false, false)
const requestOptions = getUploadRequestOptions('application/json', false)
const rawResponse = await client.post(artifactUrl, data, requestOptions)
const body: string = await rawResponse.readBody()
if (isSuccessStatusCode(rawResponse.message.statusCode) && body) {
return JSON.parse(body)
} else {
// eslint-disable-next-line no-console
console.log(rawResponse)
displayHttpDiagnostics(rawResponse)
throw new Error(
`Unable to create a container for the artifact ${artifactName}`
`Unable to create a container for the artifact ${artifactName} at ${artifactUrl}`
)
}
}
@ -87,7 +89,7 @@ export class UploadHttpClient {
): Promise<UploadResults> {
const FILE_CONCURRENCY = getUploadFileConcurrency()
const MAX_CHUNK_SIZE = getUploadChunkSize()
debug(
core.debug(
`File Concurrency: ${FILE_CONCURRENCY}, and Chunk Size: ${MAX_CHUNK_SIZE}`
)
@ -120,7 +122,7 @@ export class UploadHttpClient {
let totalFileSize = 0
let abortPendingFileUploads = false
this.statusReporter.setTotalNumberOfFilesToUpload(filesToUpload.length)
this.statusReporter.setTotalNumberOfFilesToProcess(filesToUpload.length)
this.statusReporter.start()
// only allow a certain amount of files to be uploaded at once, this is done to reduce potential errors
@ -140,19 +142,23 @@ export class UploadHttpClient {
currentFileParameters
)
debug(
`File: ${++completedFiles}/${filesToUpload.length}. ${
currentFileParameters.file
} took ${(performance.now() - startTime).toFixed(
3
)} milliseconds to finish upload`
)
uploadFileSize += uploadFileResult.successfullUploadSize
if (core.isDebug()) {
core.debug(
`File: ${++completedFiles}/${filesToUpload.length}. ${
currentFileParameters.file
} took ${(performance.now() - startTime).toFixed(
3
)} milliseconds to finish upload`
)
}
uploadFileSize += uploadFileResult.successfulUploadSize
totalFileSize += uploadFileResult.totalSize
if (uploadFileResult.isSuccess === false) {
failedItemsToReport.push(currentFileParameters.file)
if (!continueOnError) {
// existing uploads will be able to finish however all pending uploads will fail fast
// fail fast
core.error(`aborting artifact upload`)
abortPendingFileUploads = true
}
}
@ -165,7 +171,7 @@ export class UploadHttpClient {
// done uploading, safety dispose all connections
this.uploadHttpManager.disposeAndReplaceAllClients()
info(`Total size of all the files uploaded is ${uploadFileSize} bytes`)
core.info(`Total size of all the files uploaded is ${uploadFileSize} bytes`)
return {
uploadSize: uploadFileSize,
totalSize: totalFileSize,
@ -191,7 +197,7 @@ export class UploadHttpClient {
let uploadFileSize = 0
let isGzip = true
// the file that is being uploaded is less than 64k in size, to increase thoroughput and to minimize disk I/O
// the file that is being uploaded is less than 64k in size, to increase throughput and to minimize disk I/O
// for creating a new GZip file, an in-memory buffer is used for compression
if (totalFileSize < 65536) {
const buffer = await createGZipFileInBuffer(parameters.file)
@ -225,16 +231,16 @@ export class UploadHttpClient {
// chunk failed to upload
isUploadSuccessful = false
failedChunkSizes += uploadFileSize
warning(`Aborting upload for ${parameters.file} due to failure`)
core.warning(`Aborting upload for ${parameters.file} due to failure`)
}
return {
isSuccess: isUploadSuccessful,
successfullUploadSize: uploadFileSize - failedChunkSizes,
successfulUploadSize: uploadFileSize - failedChunkSizes,
totalSize: totalFileSize
}
} else {
// the file that is being uploaded is greater than 64k in size, a temprorary file gets created on disk using the
// the file that is being uploaded is greater than 64k in size, a temporary file gets created on disk using the
// npm tmp-promise package and this file gets used during compression for the GZip file that gets created
return tmp
.file()
@ -261,11 +267,6 @@ export class UploadHttpClient {
uploadFileSize - offset,
parameters.maxChunkSize
)
if (abortFileUpload) {
// if we don't want to continue in the event of an error, any pending upload chunks will be marked as failed
failedChunkSizes += chunkSize
continue
}
// if an individual file is greater than 100MB (1024*1024*100) in size, display extra information about the upload status
if (uploadFileSize > 104857600) {
@ -280,6 +281,12 @@ export class UploadHttpClient {
const end = offset + chunkSize - 1
offset += parameters.maxChunkSize
if (abortFileUpload) {
// if we don't want to continue in the event of an error, any pending upload chunks will be marked as failed
failedChunkSizes += chunkSize
continue
}
const result = await this.uploadChunk(
httpClientIndex,
parameters.resourceUrl,
@ -300,7 +307,9 @@ export class UploadHttpClient {
// successfully uploaded so the server may report a different size for what was uploaded
isUploadSuccessful = false
failedChunkSizes += chunkSize
warning(`Aborting upload for ${parameters.file} due to failure`)
core.warning(
`Aborting upload for ${parameters.file} due to failure`
)
abortFileUpload = true
}
}
@ -311,7 +320,7 @@ export class UploadHttpClient {
return new Promise(resolve => {
resolve({
isSuccess: isUploadSuccessful,
successfullUploadSize: uploadFileSize - failedChunkSizes,
successfulUploadSize: uploadFileSize - failedChunkSizes,
totalSize: totalFileSize
})
})
@ -344,7 +353,7 @@ export class UploadHttpClient {
totalFileSize: number
): Promise<boolean> {
// prepare all the necessary headers before making any http call
const requestOptions = getRequestOptions(
const requestOptions = getUploadRequestOptions(
'application/octet-stream',
true,
isGzip,
@ -359,58 +368,91 @@ export class UploadHttpClient {
}
let retryCount = 0
const retryLimit = getUploadRetryCount()
const retryLimit = getRetryLimit()
// Increments the current retry count and then checks if the retry limit has been reached
// If there have been too many retries, fail so the download stops
const incrementAndCheckRetryLimit = (
response?: IHttpClientResponse
): boolean => {
retryCount++
if (retryCount > retryLimit) {
if (response) {
displayHttpDiagnostics(response)
}
core.info(
`Retry limit has been reached for chunk at offset ${start} to ${resourceUrl}`
)
return true
}
return false
}
const backOff = async (retryAfterValue?: number): Promise<void> => {
this.uploadHttpManager.disposeAndReplaceClient(httpClientIndex)
if (retryAfterValue) {
core.info(
`Backoff due to too many requests, retry #${retryCount}. Waiting for ${retryAfterValue} milliseconds before continuing the upload`
)
await new Promise(resolve => setTimeout(resolve, retryAfterValue))
} else {
const backoffTime = getExponentialRetryTimeInMilliseconds(retryCount)
core.info(
`Exponential backoff for retry #${retryCount}. Waiting for ${backoffTime} milliseconds before continuing the upload at offset ${start}`
)
await new Promise(resolve => setTimeout(resolve, backoffTime))
}
core.info(
`Finished backoff for retry #${retryCount}, continuing with upload`
)
return
}
// allow for failed chunks to be retried multiple times
while (retryCount <= retryLimit) {
let response: IHttpClientResponse
try {
const response = await uploadChunkRequest()
// Always read the body of the response. There is potential for a resource leak if the body is not read which will
// result in the connection remaining open along with unintended consequences when trying to dispose of the client
await response.readBody()
if (isSuccessStatusCode(response.message.statusCode)) {
return true
} else if (isRetryableStatusCode(response.message.statusCode)) {
retryCount++
if (retryCount > retryLimit) {
info(
`Retry limit has been reached for chunk at offset ${start} to ${resourceUrl}`
)
return false
} else {
info(
`HTTP ${response.message.statusCode} during chunk upload, will retry at offset ${start} after ${getRetryWaitTimeInMilliseconds} milliseconds. Retry count #${retryCount}. URL ${resourceUrl}`
)
this.uploadHttpManager.disposeAndReplaceClient(httpClientIndex)
await new Promise(resolve =>
setTimeout(resolve, getRetryWaitTimeInMilliseconds())
)
}
} else {
info(`#ERROR# Unable to upload chunk to ${resourceUrl}`)
// eslint-disable-next-line no-console
console.log(response)
return false
}
response = await uploadChunkRequest()
} catch (error) {
// if an error is caught, it is usually indicative of a timeout so retry the upload
core.info(
`An error has been caught http-client index ${httpClientIndex}, retrying the upload`
)
// eslint-disable-next-line no-console
console.log(error)
retryCount++
if (retryCount > retryLimit) {
info(
`Retry limit has been reached for chunk at offset ${start} to ${resourceUrl}`
)
if (incrementAndCheckRetryLimit()) {
return false
} else {
info(`Retrying chunk upload after encountering an error`)
this.uploadHttpManager.disposeAndReplaceClient(httpClientIndex)
await new Promise(resolve =>
setTimeout(resolve, getRetryWaitTimeInMilliseconds())
)
}
await backOff()
continue
}
// Always read the body of the response. There is potential for a resource leak if the body is not read which will
// result in the connection remaining open along with unintended consequences when trying to dispose of the client
await response.readBody()
if (isSuccessStatusCode(response.message.statusCode)) {
return true
} else if (isRetryableStatusCode(response.message.statusCode)) {
core.info(
`A ${response.message.statusCode} status code has been received, will attempt to retry the upload`
)
if (incrementAndCheckRetryLimit(response)) {
return false
}
isThrottledStatusCode(response.message.statusCode)
? await backOff(
tryGetRetryAfterValueTimeInMilliseconds(response.message.headers)
)
: await backOff()
} else {
core.error(
`Unexpected response. Unable to upload chunk to ${resourceUrl}`
)
displayHttpDiagnostics(response)
return false
}
}
return false
@ -421,32 +463,34 @@ export class UploadHttpClient {
* Updating the size indicates that we are done uploading all the contents of the artifact
*/
async patchArtifactSize(size: number, artifactName: string): Promise<void> {
const requestOptions = getRequestOptions('application/json', false, false)
const requestOptions = getUploadRequestOptions('application/json', false)
const resourceUrl = new URL(getArtifactUrl())
resourceUrl.searchParams.append('artifactName', artifactName)
const parameters: PatchArtifactSize = {Size: size}
const data: string = JSON.stringify(parameters, null, 2)
debug(`URL is ${resourceUrl.toString()}`)
core.debug(`URL is ${resourceUrl.toString()}`)
// use the first client from the httpManager, `keep-alive` is not used so the connection will close immediatly
// use the first client from the httpManager, `keep-alive` is not used so the connection will close immediately
const client = this.uploadHttpManager.getClient(0)
const rawResponse: HttpClientResponse = await client.patch(
const response: HttpClientResponse = await client.patch(
resourceUrl.toString(),
data,
requestOptions
)
const body: string = await rawResponse.readBody()
if (isSuccessStatusCode(rawResponse.message.statusCode)) {
debug(
`Artifact ${artifactName} has been successfully uploaded, total size ${size}`
const body: string = await response.readBody()
if (isSuccessStatusCode(response.message.statusCode)) {
core.debug(
`Artifact ${artifactName} has been successfully uploaded, total size in bytes: ${size}`
)
} else if (rawResponse.message.statusCode === 404) {
} else if (response.message.statusCode === 404) {
throw new Error(`An Artifact with the name ${artifactName} was not found`)
} else {
// eslint-disable-next-line no-console
console.log(body)
throw new Error(`Unable to finish uploading artifact ${artifactName}`)
displayHttpDiagnostics(response)
core.info(body)
throw new Error(
`Unable to finish uploading artifact ${artifactName} to ${resourceUrl}`
)
}
}
}
@ -460,6 +504,6 @@ interface UploadFileParameters {
interface UploadFileResult {
isSuccess: boolean
successfullUploadSize: number
successfulUploadSize: number
totalSize: number
}

View File

@ -1,90 +0,0 @@
import {info} from '@actions/core'
/**
* Upload Status Reporter that displays information about the progress/status of an artifact that is being uploaded
*
* Every 10 seconds, the total status of the upload gets displayed. If there is a large file that is being uploaded,
* extra information about the individual status of an upload can also be displayed
*/
export class UploadStatusReporter {
private totalNumberOfFilesToUpload = 0
private processedCount = 0
private largeUploads = new Map<string, string>()
private totalUploadStatus: NodeJS.Timeout | undefined
private largeFileUploadStatus: NodeJS.Timeout | undefined
constructor() {
this.totalUploadStatus = undefined
this.largeFileUploadStatus = undefined
}
setTotalNumberOfFilesToUpload(fileTotal: number): void {
this.totalNumberOfFilesToUpload = fileTotal
}
start(): void {
const _this = this
// displays information about the total upload status every 10 seconds
this.totalUploadStatus = setInterval(function() {
// display 1 decimal place without any rounding
const percentage = _this.formatPercentage(
_this.processedCount,
_this.totalNumberOfFilesToUpload
)
info(
`Total file(s): ${
_this.totalNumberOfFilesToUpload
} ---- Processed file #${_this.processedCount} (${percentage.slice(
0,
percentage.indexOf('.') + 2
)}%)`
)
}, 10000)
// displays extra information about any large files that take a significant amount of time to upload every 1 second
this.largeFileUploadStatus = setInterval(function() {
for (const value of Array.from(_this.largeUploads.values())) {
info(value)
}
// delete all entires in the map after displaying the information so it will not be displayed again unless explicitly added
_this.largeUploads = new Map<string, string>()
}, 1000)
}
updateLargeFileStatus(
fileName: string,
numerator: number,
denomiator: number
): void {
// display 1 decimal place without any rounding
const percentage = this.formatPercentage(numerator, denomiator)
const displayInformation = `Uploading ${fileName} (${percentage.slice(
0,
percentage.indexOf('.') + 2
)}%)`
// any previously added display information should be overwritten for the specific large file because a map is being used
this.largeUploads.set(fileName, displayInformation)
}
stop(): void {
if (this.totalUploadStatus) {
clearInterval(this.totalUploadStatus)
}
if (this.largeFileUploadStatus) {
clearInterval(this.largeFileUploadStatus)
}
}
incrementProcessedCount(): void {
this.processedCount++
}
private formatPercentage(numerator: number, denominator: number): string {
// toFixed() rounds, so use extra precision to display accurate information even though 4 decimal places are not displayed
return ((numerator / denominator) * 100).toFixed(4).toString()
}
}

View File

@ -1,14 +1,38 @@
import {debug} from '@actions/core'
import {debug, info} from '@actions/core'
import {promises as fs} from 'fs'
import {HttpCodes, HttpClient} from '@actions/http-client'
import {BearerCredentialHandler} from '@actions/http-client/auth'
import {IHeaders} from '@actions/http-client/interfaces'
import {IHeaders, IHttpClientResponse} from '@actions/http-client/interfaces'
import {IncomingHttpHeaders} from 'http'
import {
getRuntimeToken,
getRuntimeUrl,
getWorkFlowRunId
getWorkFlowRunId,
getRetryMultiplier,
getInitialRetryIntervalInMilliseconds
} from './config-variables'
/**
* Returns a retry time in milliseconds that exponentially gets larger
* depending on the amount of retries that have been attempted
*/
export function getExponentialRetryTimeInMilliseconds(
retryCount: number
): number {
if (retryCount < 0) {
throw new Error('RetryCount should not be negative')
} else if (retryCount === 0) {
return getInitialRetryIntervalInMilliseconds()
}
const minTime =
getInitialRetryIntervalInMilliseconds() * getRetryMultiplier() * retryCount
const maxTime = minTime * getRetryMultiplier()
// returns a random number between the minTime (inclusive) and the maxTime (exclusive)
return Math.random() * (maxTime - minTime) + minTime
}
/**
* Parses a env variable that is a number
*/
@ -42,11 +66,47 @@ export function isRetryableStatusCode(statusCode?: number): boolean {
const retryableStatusCodes = [
HttpCodes.BadGateway,
HttpCodes.ServiceUnavailable,
HttpCodes.GatewayTimeout
HttpCodes.GatewayTimeout,
HttpCodes.TooManyRequests
]
return retryableStatusCodes.includes(statusCode)
}
export function isThrottledStatusCode(statusCode?: number): boolean {
if (!statusCode) {
return false
}
return statusCode === HttpCodes.TooManyRequests
}
/**
* Attempts to get the retry-after value from a set of http headers. The retry time
* is originally denoted in seconds, so if present, it is converted to milliseconds
* @param headers all the headers received when making an http call
*/
export function tryGetRetryAfterValueTimeInMilliseconds(
headers: IncomingHttpHeaders
): number | undefined {
if (headers['retry-after']) {
const retryTime = Number(headers['retry-after'])
if (!isNaN(retryTime)) {
info(`Retry-After header is present with a value of ${retryTime}`)
return retryTime * 1000
}
info(
`Returned retry-after header value: ${retryTime} is non-numeric and cannot be used`
)
return undefined
}
info(
`No retry-after header was found. Dumping all headers for diagnostic purposes`
)
// eslint-disable-next-line no-console
console.log(headers)
return undefined
}
export function getContentRange(
start: number,
end: number,
@ -60,27 +120,62 @@ export function getContentRange(
}
/**
* Sets all the necessary headers when making HTTP calls
* Sets all the necessary headers when downloading an artifact
* @param {string} contentType the type of content being uploaded
* @param {boolean} isKeepAlive is the same connection being used to make multiple calls
* @param {boolean} acceptGzip can we accept a gzip encoded response
* @param {string} acceptType the type of content that we can accept
* @returns appropriate request options to make a specific http call during artifact download
*/
export function getDownloadRequestOptions(
contentType: string,
isKeepAlive?: boolean,
acceptGzip?: boolean
): IHeaders {
const requestOptions: IHeaders = {}
if (contentType) {
requestOptions['Content-Type'] = contentType
}
if (isKeepAlive) {
requestOptions['Connection'] = 'Keep-Alive'
// keep alive for at least 10 seconds before closing the connection
requestOptions['Keep-Alive'] = '10'
}
if (acceptGzip) {
// if we are expecting a response with gzip encoding, it should be using an octet-stream in the accept header
requestOptions['Accept-Encoding'] = 'gzip'
requestOptions[
'Accept'
] = `application/octet-stream;api-version=${getApiVersion()}`
} else {
// default to application/json if we are not working with gzip content
requestOptions['Accept'] = `application/json;api-version=${getApiVersion()}`
}
return requestOptions
}
/**
* Sets all the necessary headers when uploading an artifact
* @param {string} contentType the type of content being uploaded
* @param {boolean} isKeepAlive is the same connection being used to make multiple calls
* @param {boolean} isGzip is the connection being used to upload GZip compressed content
* @param {number} uncompressedLength the original size of the content if something is being uploaded that has been compressed
* @param {number} contentLength the length of the content that is being uploaded
* @param {string} contentRange the range of the content that is being uploaded
* @returns appropriate request options to make a specific http call
* @returns appropriate request options to make a specific http call during artifact upload
*/
export function getRequestOptions(
contentType?: string,
export function getUploadRequestOptions(
contentType: string,
isKeepAlive?: boolean,
isGzip?: boolean,
uncompressedLength?: number,
contentLength?: number,
contentRange?: string
): IHeaders {
const requestOptions: IHeaders = {
// same Accept type for each http call that gets made
Accept: `application/json;api-version=${getApiVersion()}`
}
const requestOptions: IHeaders = {}
requestOptions['Accept'] = `application/json;api-version=${getApiVersion()}`
if (contentType) {
requestOptions['Content-Type'] = contentType
}
@ -99,6 +194,7 @@ export function getRequestOptions(
if (contentRange) {
requestOptions['Content-Range'] = contentRange
}
return requestOptions
}
@ -114,6 +210,25 @@ export function getArtifactUrl(): string {
return artifactUrl
}
/**
* Uh oh! Something might have gone wrong during either upload or download. The IHtttpClientResponse object contains information
* about the http call that was made by the actions http client. This information might be useful to display for diagnostic purposes, but
* this entire object is really big and most of the information is not really useful. This function takes the response object and displays only
* the information that we want.
*
* Certain information such as the TLSSocket and the Readable state are not really useful for diagnostic purposes so they can be avoided.
* Other information such as the headers, the response code and message might be useful, so this is displayed.
*/
export function displayHttpDiagnostics(response: IHttpClientResponse): void {
info(
`##### Begin Diagnostic HTTP information #####
Status Code: ${response.message.statusCode}
Status Message: ${response.message.statusMessage}
Header Information: ${JSON.stringify(response.message.headers, undefined, 2)}
###### End Diagnostic HTTP information ######`
)
}
/**
* Invalid characters that cannot be in the artifact name or an uploaded file. Will be rejected
* from the server if attempted to be sent over. These characters are not allowed due to limitations with certain