cache/src/restore.ts

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2019-10-30 19:48:49 +01:00
import * as core from "@actions/core";
import { exec } from "@actions/exec";
import * as io from "@actions/io";
import * as fs from "fs";
import * as path from "path";
import * as cacheHttpClient from "./cacheHttpClient";
import { Inputs, State } from "./constants";
import * as utils from "./utils/actionUtils";
async function run() {
try {
// Validate inputs, this can cause task failure
let cachePath = utils.resolvePath(
core.getInput(Inputs.Path, { required: true })
);
core.debug(`Cache Path: ${cachePath}`);
const primaryKey = core.getInput(Inputs.Key, { required: true });
core.saveState(State.CacheKey, primaryKey);
const restoreKeys = core.getInput(Inputs.RestoreKeys).split("\n");
const keys = [primaryKey, ...restoreKeys];
core.debug("Resolved Keys:");
core.debug(JSON.stringify(keys));
if (keys.length > 10) {
core.setFailed(
`Key Validation Error: Keys are limited to a maximum of 10.`
);
return;
}
for (const key of keys) {
if (key.length > 512) {
core.setFailed(
`Key Validation Error: ${key} cannot be larger than 512 characters.`
);
return;
}
const regex = /^[^,]*$/;
if (!regex.test(key)) {
core.setFailed(
`Key Validation Error: ${key} cannot contain commas.`
);
return;
}
}
try {
let archivePath = path.join(
await utils.createTempDirectory(),
"cache.tgz"
);
core.debug(`Archive Path: ${archivePath}`);
const cacheEntry = await cacheHttpClient.getCacheEntry(keys);
// Store the cache result
utils.setCacheState(cacheEntry);
// Download the cache from the cache entry
await cacheHttpClient.downloadCache(cacheEntry, archivePath);
io.mkdirP(cachePath);
// http://man7.org/linux/man-pages/man1/tar.1.html
// tar [-options] <name of the tar archive> [files or directories which to add into archive]
const args = ["-xz"];
const IS_WINDOWS = process.platform === "win32";
if (IS_WINDOWS) {
args.push("--force-local");
archivePath = archivePath.replace(/\\/g, "/");
cachePath = cachePath.replace(/\\/g, "/");
}
args.push(...["-f", archivePath, "-C", cachePath]);
const tarPath = await io.which("tar", true);
core.debug(`Tar Path: ${tarPath}`);
const archiveFileSize = fs.statSync(archivePath).size;
core.debug(`File Size: ${archiveFileSize}`);
await exec(`"${tarPath}"`, args);
const isExactKeyMatch = utils.isExactKeyMatch(
primaryKey,
cacheEntry
);
utils.setCacheHitOutput(isExactKeyMatch);
core.info(
`Cache restored from key:${cacheEntry && cacheEntry.cacheKey}`
);
} catch (error) {
core.warning(error.message);
utils.setCacheHitOutput(false);
}
} catch (error) {
core.setFailed(error.message);
}
}
run();
export default run;