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Use fs streams directly

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This commit is contained in:
Josh Gross 2019-12-17 14:40:24 -05:00
parent 131e247bd2
commit 0816faf84c
3 changed files with 59 additions and 100 deletions
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51
src/cacheHttpClient.ts
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@ -15,7 +15,6 @@ import {
ReserverCacheResponse
} from "./contracts";
import * as utils from "./utils/actionUtils";
import { Duplex } from "stream";
const MAX_CHUNK_SIZE = 4000000; // 4 MB Chunks
@ -127,38 +126,38 @@ export async function reserveCache(
return response?.result?.cacheId ?? -1;
}
function getContentRange(start: number, length: number): string {
function getContentRange(start: number, end: number): string {
// Format: `bytes start-end/filesize
// start and end are inclusive
// filesize can be *
// For a 200 byte chunk starting at byte 0:
// Content-Range: bytes 0-199/*
return `bytes ${start}-${start + length - 1}/*`;
return `bytes ${start}-${end}/*`;
}
function bufferToStream(buffer: Buffer): NodeJS.ReadableStream {
const stream = new Duplex();
stream.push(buffer);
stream.push(null);
// function bufferToStream(buffer: Buffer): NodeJS.ReadableStream {
// const stream = new Duplex();
// stream.push(buffer);
// stream.push(null);
return stream;
}
// return stream;
// }
async function uploadChunk(
restClient: RestClient,
resourceUrl: string,
data: Buffer,
offset: number
data: NodeJS.ReadableStream,
start: number,
end: number
): Promise<IRestResponse<void>> {
core.debug(`Uploading chunk of size ${data.byteLength} bytes at offset ${offset}`);
core.debug(`Uploading chunk of size ${end - start + 1} bytes at offset ${start}`);
const requestOptions = getRequestOptions();
requestOptions.additionalHeaders = {
"Content-Type": "application/octet-stream",
"Content-Range": getContentRange(offset, data.byteLength)
"Content-Range": getContentRange(start, end)
};
const stream = bufferToStream(data);
return await restClient.uploadStream<void>("PATCH", resourceUrl, stream, requestOptions);
return await restClient.uploadStream<void>("PATCH", resourceUrl, data, requestOptions);
}
async function commitCache(
@ -183,28 +182,20 @@ export async function saveCache(
core.debug("Uploading chunks");
// Upload Chunks
const stream = fs.createReadStream(archivePath);
let streamIsClosed = false;
stream.on("end", () => {
core.debug("Stream is ended");
streamIsClosed = true;
});
const fileSize = fs.statSync(archivePath).size;
const resourceUrl = getCacheApiUrl() + cacheId.toString();
const uploads: Promise<IRestResponse<void>>[] = [];
let offset = 0;
while (!streamIsClosed) {
while (offset < fileSize) {
const chunkSize = offset + MAX_CHUNK_SIZE > fileSize ? fileSize - offset : MAX_CHUNK_SIZE;
const end = offset + chunkSize - 1;
core.debug(`Offset: ${offset}`);
const chunk: Buffer = stream.read(MAX_CHUNK_SIZE);
if (chunk == null) {
core.debug(`Chunk is null, reading is over?`);
break;
}
uploads.push(uploadChunk(restClient, resourceUrl, chunk, offset));
const chunk = fs.createReadStream(archivePath, { start: offset, end });
uploads.push(uploadChunk(restClient, resourceUrl, chunk, offset, end));
offset += MAX_CHUNK_SIZE;
}
core.debug("Awaiting all uplaods");
core.debug("Awaiting all uploads");
const responses = await Promise.all(uploads);
const failedResponse = responses.find(