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docker.js
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import got from "got";
import { globSync } from "glob";
import { parse } from "node:url";
import stream from "node:stream/promises";
import {
existsSync,
readdirSync,
statSync,
lstatSync,
readFileSync,
createReadStream,
mkdtempSync,
mkdirSync,
rmSync
} from "node:fs";
import { join } from "node:path";
import {
userInfo as _userInfo,
homedir,
platform as _platform,
tmpdir
} from "node:os";
import { x } from "tar";
import { spawnSync } from "node:child_process";
import { DEBUG_MODE } from "./utils.js";
export const isWin = _platform() === "win32";
let dockerConn = undefined;
let isPodman = false;
let isPodmanRootless = true;
let isDockerRootless = false;
// https://github.com/containerd/containerd
let isContainerd = !!process.env.CONTAINERD_ADDRESS;
const WIN_LOCAL_TLS = "http://localhost:2375";
let isWinLocalTLS = false;
if (
!process.env.DOCKER_HOST &&
(process.env.CONTAINERD_ADDRESS ||
(process.env.XDG_RUNTIME_DIR &&
existsSync(
join(process.env.XDG_RUNTIME_DIR, "containerd-rootless", "api.sock")
)))
) {
isContainerd = true;
}
// Cache the registry auth keys
const registry_auth_keys = {};
/**
* Method to get all dirs matching a name
*
* @param {string} dirPath Root directory for search
* @param {string} dirName Directory name
*/
export const getDirs = (dirPath, dirName, hidden = false, recurse = true) => {
try {
return globSync(recurse ? "**/" : "" + dirName, {
cwd: dirPath,
absolute: true,
nocase: true,
nodir: false,
follow: false,
dot: hidden
});
} catch (err) {
return [];
}
};
function flatten(lists) {
return lists.reduce((a, b) => a.concat(b), []);
}
function getDirectories(srcpath) {
if (existsSync(srcpath)) {
return readdirSync(srcpath)
.map((file) => join(srcpath, file))
.filter((path) => {
try {
return statSync(path).isDirectory();
} catch (e) {
return false;
}
});
}
return [];
}
export const getOnlyDirs = (srcpath, dirName) => {
return [
srcpath,
...flatten(
getDirectories(srcpath)
.map((p) => {
try {
if (existsSync(p)) {
if (lstatSync(p).isDirectory()) {
return getOnlyDirs(p, dirName);
}
}
} catch (err) {
console.error(err);
}
})
.filter((p) => p !== undefined)
)
].filter((d) => d.endsWith(dirName));
};
const getDefaultOptions = (forRegistry) => {
let authTokenSet = false;
if (!forRegistry && process.env.DOCKER_SERVER_ADDRESS) {
forRegistry = process.env.DOCKER_SERVER_ADDRESS;
}
if (forRegistry) {
forRegistry = forRegistry.replace("http://", "").replace("https://", "");
if (forRegistry.includes("/")) {
forRegistry = forRegistry.split("/")[0];
}
}
const opts = {
enableUnixSockets: true,
throwHttpErrors: true,
method: "GET",
hooks: { beforeError: [] },
mutableDefaults: true
};
const DOCKER_CONFIG = process.env.DOCKER_CONFIG || join(homedir(), ".docker");
// Support for private registry
if (process.env.DOCKER_AUTH_CONFIG) {
opts.headers = {
"X-Registry-Auth": process.env.DOCKER_AUTH_CONFIG
};
authTokenSet = true;
}
if (
!authTokenSet &&
process.env.DOCKER_USER &&
process.env.DOCKER_PASSWORD &&
process.env.DOCKER_EMAIL &&
forRegistry
) {
const authPayload = {
username: process.env.DOCKER_USER,
email: process.env.DOCKER_EMAIL,
serveraddress: forRegistry
};
if (process.env.DOCKER_USER === "<token>") {
authPayload.IdentityToken = process.env.DOCKER_PASSWORD;
} else {
authPayload.password = process.env.DOCKER_PASSWORD;
}
opts.headers = {
"X-Registry-Auth": Buffer.from(JSON.stringify(authPayload)).toString(
"base64"
)
};
}
if (!authTokenSet && existsSync(join(DOCKER_CONFIG, "config.json"))) {
const configData = readFileSync(
join(DOCKER_CONFIG, "config.json"),
"utf-8"
);
if (configData) {
try {
const configJson = JSON.parse(configData);
if (configJson.auths) {
// Check if there are hardcoded tokens
for (const serverAddress of Object.keys(configJson.auths)) {
if (forRegistry && !serverAddress.includes(forRegistry)) {
continue;
}
if (configJson.auths[serverAddress].auth) {
opts.headers = {
"X-Registry-Auth": configJson.auths[serverAddress].auth
};
authTokenSet = true;
break;
} else if (configJson.credsStore) {
const helperAuthToken = getCredsFromHelper(
configJson.credsStore,
serverAddress
);
if (helperAuthToken) {
opts.headers = {
"X-Registry-Auth": helperAuthToken
};
authTokenSet = true;
break;
}
}
}
} else if (configJson.credHelpers) {
// Support for credential helpers
for (const serverAddress of Object.keys(configJson.credHelpers)) {
if (forRegistry && !serverAddress.includes(forRegistry)) {
continue;
}
if (configJson.credHelpers[serverAddress]) {
const helperAuthToken = getCredsFromHelper(
configJson.credHelpers[serverAddress],
serverAddress
);
if (helperAuthToken) {
opts.headers = {
"X-Registry-Auth": helperAuthToken
};
authTokenSet = true;
break;
}
}
}
}
} catch (err) {
// pass
}
}
}
const userInfo = _userInfo();
opts.podmanPrefixUrl = isWin ? "" : `http://unix:/run/podman/podman.sock:`;
opts.podmanRootlessPrefixUrl = isWin
? ""
: `http://unix:/run/user/${userInfo.uid}/podman/podman.sock:`;
if (!process.env.DOCKER_HOST) {
if (isPodman) {
opts.prefixUrl = isPodmanRootless
? opts.podmanRootlessPrefixUrl
: opts.podmanPrefixUrl;
} else {
if (isWinLocalTLS) {
opts.prefixUrl = WIN_LOCAL_TLS;
} else {
// Named pipes syntax for Windows doesn't work with got
// See: https://github.com/sindresorhus/got/issues/2178
/*
opts.prefixUrl = isWin
? "npipe//./pipe/docker_engine:"
: "unix:/var/run/docker.sock:";
*/
opts.prefixUrl = isWin
? WIN_LOCAL_TLS
: isDockerRootless
? `http://unix:${homedir()}/.docker/run/docker.sock:`
: "http://unix:/var/run/docker.sock:";
}
}
} else {
let hostStr = process.env.DOCKER_HOST;
if (hostStr.startsWith("unix:///")) {
hostStr = hostStr.replace("unix:///", "http://unix:/");
if (hostStr.includes("docker.sock")) {
hostStr = hostStr.replace("docker.sock", "docker.sock:");
isDockerRootless = true;
}
}
opts.prefixUrl = hostStr;
if (process.env.DOCKER_CERT_PATH) {
opts.https = {
certificate: readFileSync(
join(process.env.DOCKER_CERT_PATH, "cert.pem"),
"utf8"
),
key: readFileSync(join(process.env.DOCKER_CERT_PATH, "key.pem"), "utf8")
};
// Disable tls on empty values
// From the docker docs: Setting the DOCKER_TLS_VERIFY environment variable to any value other than the empty string is equivalent to setting the --tlsverify flag
if (
process.env.DOCKER_TLS_VERIFY &&
process.env.DOCKER_TLS_VERIFY === ""
) {
opts.https.rejectUnauthorized = false;
console.log("TLS Verification disabled for", hostStr);
}
}
}
return opts;
};
export const getConnection = async (options, forRegistry) => {
if (isContainerd) {
return undefined;
} else if (!dockerConn) {
const defaultOptions = getDefaultOptions(forRegistry);
const opts = Object.assign(
{},
{
enableUnixSockets: defaultOptions.enableUnixSockets,
throwHttpErrors: defaultOptions.throwHttpErrors,
method: defaultOptions.method,
prefixUrl: defaultOptions.prefixUrl,
headers: defaultOptions.headers
},
options
);
try {
await got.get("_ping", opts);
dockerConn = got.extend(opts);
if (DEBUG_MODE) {
if (isDockerRootless) {
console.log("Docker service in rootless mode detected.");
} else {
console.log(
"Docker service in root mode detected. Consider switching to rootless mode to improve security. See https://docs.docker.com/engine/security/rootless/"
);
}
}
} catch (err) {
opts.prefixUrl = `http://unix:${homedir()}/.docker/run/docker.sock:`;
try {
await got.get("_ping", opts);
dockerConn = got.extend(opts);
isDockerRootless = true;
if (DEBUG_MODE) {
console.log("Docker service in rootless mode detected.");
}
return dockerConn;
} catch (err) {
// console.log(err, opts);
}
try {
if (isWin) {
opts.prefixUrl = WIN_LOCAL_TLS;
await got.get("_ping", opts);
dockerConn = got.extend(opts);
isWinLocalTLS = true;
if (DEBUG_MODE) {
console.log("Docker desktop on Windows detected.");
}
} else {
opts.prefixUrl = opts.podmanRootlessPrefixUrl;
await got.get("libpod/_ping", opts);
isPodman = true;
isPodmanRootless = true;
dockerConn = got.extend(opts);
if (DEBUG_MODE) {
console.log(
"Podman in rootless mode detected. Thank you for using podman!"
);
}
}
} catch (err) {
// console.log(err);
try {
opts.prefixUrl = opts.podmanPrefixUrl;
await got.get("libpod/_ping", opts);
isPodman = true;
isPodmanRootless = false;
dockerConn = got.extend(opts);
console.log(
"Podman in root mode detected. Consider switching to rootless mode to improve security. See https://github.com/containers/podman/blob/main/docs/tutorials/rootless_tutorial.md"
);
} catch (err) {
// console.log(err);
if (_platform() === "win32") {
console.warn(
"Ensure Docker for Desktop is running as an administrator with 'Exposing daemon on TCP without TLS' setting turned on.",
opts
);
} else {
console.warn(
"Ensure docker/podman service or Docker for Desktop is running.",
opts
);
console.log(
"Check if the post-installation steps were performed correctly as per this documentation https://docs.docker.com/engine/install/linux-postinstall/"
);
}
}
}
}
}
return dockerConn;
};
export const makeRequest = async (path, method = "GET", forRegistry) => {
const client = await getConnection({}, forRegistry);
if (!client) {
return undefined;
}
const extraOptions = {
responseType: method === "GET" ? "json" : "buffer",
resolveBodyOnly: true,
enableUnixSockets: true,
method
};
const defaultOptions = getDefaultOptions(forRegistry);
const opts = Object.assign(
{},
{
enableUnixSockets: defaultOptions.enableUnixSockets,
throwHttpErrors: defaultOptions.throwHttpErrors,
method: defaultOptions.method,
prefixUrl: defaultOptions.prefixUrl,
headers: defaultOptions.headers
},
extraOptions
);
return await client(path, opts);
};
/**
* Parse image name
*
* docker pull debian
* docker pull debian:jessie
* docker pull ubuntu@sha256:45b23dee08af5e43a7fea6c4cf9c25ccf269ee113168c19722f87876677c5cb2
* docker pull myregistry.local:5000/testing/test-image
*/
export const parseImageName = (fullImageName) => {
const nameObj = {
registry: "",
repo: "",
tag: "",
digest: "",
platform: "",
group: "",
name: ""
};
if (!fullImageName) {
return nameObj;
}
// ensure it's lowercased
fullImageName = fullImageName.toLowerCase();
// Extract registry name
if (
fullImageName.includes("/") &&
(fullImageName.includes(".") || fullImageName.includes(":"))
) {
const urlObj = parse(fullImageName);
const tmpA = fullImageName.split("/");
if (
urlObj.path !== fullImageName ||
tmpA[0].includes(".") ||
tmpA[0].includes(":")
) {
nameObj.registry = tmpA[0];
fullImageName = fullImageName.replace(tmpA[0] + "/", "");
}
}
// Extract digest name
if (fullImageName.includes("@sha256:")) {
const tmpA = fullImageName.split("@sha256:");
if (tmpA.length > 1) {
nameObj.digest = tmpA[tmpA.length - 1];
fullImageName = fullImageName.replace("@sha256:" + nameObj.digest, "");
}
}
// Extract tag name
if (fullImageName.includes(":")) {
const tmpA = fullImageName.split(":");
if (tmpA.length > 1) {
nameObj.tag = tmpA[tmpA.length - 1];
fullImageName = fullImageName.replace(":" + nameObj.tag, "");
}
}
// The left over string is the repo name
nameObj.repo = fullImageName;
nameObj.name = fullImageName;
// extract group name
if (fullImageName.includes("/")) {
const tmpA = fullImageName.split("/");
if (tmpA.length > 1) {
nameObj.name = tmpA[tmpA.length - 1];
nameObj.group = fullImageName.replace("/" + tmpA[tmpA.length - 1], "");
}
}
return nameObj;
};
/**
* Prefer cli on windows or when using tcp/ssh based host.
*
* @returns boolean true if we should use the cli. false otherwise
*/
const needsCliFallback = () => {
return (
isWin ||
(process.env.DOCKER_HOST &&
(process.env.DOCKER_HOST.startsWith("tcp://") ||
process.env.DOCKER_HOST.startsWith("ssh://")))
);
};
/**
* Method to get image to the local registry by pulling from the remote if required
*/
export const getImage = async (fullImageName) => {
let localData = undefined;
let pullData = undefined;
const { registry, repo, tag, digest } = parseImageName(fullImageName);
let repoWithTag =
registry && registry !== "docker.io"
? fullImageName
: `${repo}:${tag !== "" ? tag : ":latest"}`;
// Fetch only the latest tag if none is specified
if (tag === "" && digest === "") {
fullImageName = fullImageName + ":latest";
}
if (isContainerd) {
console.log(
"containerd/nerdctl is currently unsupported. Export the image manually and run cdxgen against the tar image."
);
return undefined;
}
if (needsCliFallback()) {
const dockerCmd = process.env.DOCKER_CMD || "docker";
let result = spawnSync(dockerCmd, ["pull", fullImageName], {
encoding: "utf-8"
});
if (result.status !== 0 || result.error) {
if (
result.stderr &&
result.stderr.includes("docker daemon is not running")
) {
console.log(
"Ensure Docker for Desktop is running as an administrator with 'Exposing daemon on TCP without TLS' setting turned on."
);
} else if (result.stderr && result.stderr.includes("not found")) {
console.log(
"Set the environment variable DOCKER_CMD to use an alternative command such as nerdctl or podman."
);
} else {
console.log(result.stderr);
}
return localData;
} else {
result = spawnSync(dockerCmd, ["inspect", fullImageName], {
encoding: "utf-8"
});
if (result.status !== 0 || result.error) {
console.log(result.stderr);
return localData;
} else {
try {
const stdout = result.stdout;
if (stdout) {
const inspectData = JSON.parse(Buffer.from(stdout).toString());
if (inspectData && Array.isArray(inspectData)) {
return inspectData[0];
} else {
return inspectData;
}
}
} catch (err) {
// continue regardless of error
console.log(err);
}
}
}
}
try {
localData = await makeRequest(
`images/${repoWithTag}/json`,
"GET",
registry
);
if (localData) {
return localData;
}
} catch (err) {
// ignore
}
try {
localData = await makeRequest(`images/${repo}/json`, "GET", registry);
} catch (err) {
try {
localData = await makeRequest(
`images/${fullImageName}/json`,
"GET",
registry
);
if (localData) {
return localData;
}
} catch (err) {
// ignore
}
if (DEBUG_MODE) {
console.log(
`Trying to pull the image ${fullImageName} from registry. This might take a while ...`
);
}
// If the data is not available locally
try {
pullData = await makeRequest(
`images/create?fromImage=${fullImageName}`,
"POST",
registry
);
if (
pullData &&
(pullData.includes("no match for platform in manifest") ||
pullData.includes("Error choosing an image from manifest list"))
) {
console.warn(
"You may have to enable experimental settings in docker to support this platform!"
);
console.warn(
"To scan windows images, run cdxgen on a windows server with hyper-v and docker installed. Switch to windows containers in your docker settings."
);
return undefined;
}
} catch (err) {
try {
if (DEBUG_MODE) {
console.log(`Re-trying the pull with the name ${repoWithTag}.`);
}
pullData = await makeRequest(
`images/create?fromImage=${repoWithTag}`,
"POST",
registry
);
} catch (err) {
// continue regardless of error
}
}
try {
if (DEBUG_MODE) {
console.log(`Trying with ${repoWithTag}`);
}
localData = await makeRequest(
`images/${repoWithTag}/json`,
"GET",
registry
);
if (localData) {
return localData;
}
} catch (err) {
try {
if (DEBUG_MODE) {
console.log(`Trying with ${repo}`);
}
localData = await makeRequest(`images/${repo}/json`, "GET", registry);
if (localData) {
return localData;
}
} catch (err) {
// continue regardless of error
}
try {
if (DEBUG_MODE) {
console.log(`Trying with ${fullImageName}`);
}
localData = await makeRequest(
`images/${fullImageName}/json`,
"GET",
registry
);
} catch (err) {
// continue regardless of error
}
}
}
if (!localData) {
console.log(
`Unable to pull ${fullImageName}. Check if the name is valid. Perform any authentication prior to invoking cdxgen.`
);
console.log(
`Try manually pulling this image using docker pull ${fullImageName}`
);
}
return localData;
};
export const extractTar = async (fullImageName, dir) => {
try {
await stream.pipeline(
createReadStream(fullImageName),
x({
sync: true,
preserveOwner: false,
noMtime: true,
noChmod: true,
strict: true,
C: dir,
portable: true,
onwarn: () => {},
filter: (path, entry) => {
// Some files are known to cause issues with extract
if (
path.includes("cacerts") ||
path.includes("ssl/certs") ||
path.includes("etc/") ||
path.includes("logs/") ||
["CharacterDevice"].includes(entry.type)
) {
return false;
}
return true;
}
})
);
return true;
} catch (err) {
if (err.code === "EPERM" && err.syscall === "symlink") {
console.log(
"Please run cdxgen from a powershell terminal with admin privileges to create symlinks."
);
console.log(err);
} else if (err.code !== "TAR_BAD_ARCHIVE") {
console.log(
`Error while extracting image ${fullImageName} to ${dir}. Please file this bug to the cdxgen repo. https://github.com/CycloneDX/cdxgen/issues`
);
console.log("------------");
console.log(err);
console.log("------------");
}
return false;
}
};
/**
* Method to export a container image archive.
* Returns the location of the layers with additional packages related metadata
*/
export const exportArchive = async (fullImageName) => {
if (!existsSync(fullImageName)) {
console.log(`Unable to find container image archive ${fullImageName}`);
return undefined;
}
const manifest = {};
const tempDir = mkdtempSync(join(tmpdir(), "docker-images-"));
const allLayersExplodedDir = join(tempDir, "all-layers");
const blobsDir = join(tempDir, "blobs", "sha256");
mkdirSync(allLayersExplodedDir);
const manifestFile = join(tempDir, "manifest.json");
try {
await extractTar(fullImageName, tempDir);
// podman use blobs dir
if (existsSync(blobsDir)) {
if (DEBUG_MODE) {
console.log(
`Image archive ${fullImageName} successfully exported to directory ${tempDir}`
);
}
const allBlobs = getDirs(blobsDir, "*", false, true);
for (const ablob of allBlobs) {
if (DEBUG_MODE) {
console.log(`Extracting ${ablob} to ${allLayersExplodedDir}`);
}
await extractTar(ablob, allLayersExplodedDir);
}
const lastLayerConfig = {};
const lastWorkingDir = "";
const exportData = {
manifest,
allLayersDir: tempDir,
allLayersExplodedDir,
lastLayerConfig,
lastWorkingDir
};
exportData.pkgPathList = getPkgPathList(exportData, lastWorkingDir);
return exportData;
} else if (existsSync(manifestFile)) {
// docker manifest file
return await extractFromManifest(
manifestFile,
{},
tempDir,
allLayersExplodedDir
);
} else {
console.log(`Unable to extract image archive to ${tempDir}`);
}
} catch (err) {
console.log(err);
}
return undefined;
};
export const extractFromManifest = async (
manifestFile,
localData,
tempDir,
allLayersExplodedDir
) => {
// Example of manifests
// [{"Config":"blobs/sha256/dedc100afa8d6718f5ac537730dd4a5ceea3563e695c90f1a8ac6df32c4cb291","RepoTags":["shiftleft/core:latest"],"Layers":["blobs/sha256/eaead16dc43bb8811d4ff450935d607f9ba4baffda4fc110cc402fa43f601d83","blobs/sha256/2039af03c0e17a3025b989335e9414149577fa09e7d0dcbee80155333639d11f"]}]
// {"schemaVersion":2,"manifests":[{"mediaType":"application/vnd.docker.distribution.manifest.list.v2+json","digest":"sha256:7706ac20c7587081dc7a00e0ec65a6633b0bb3788e0048a3e971d3eae492db63","size":318,"annotations":{"io.containerd.image.name":"docker.io/shiftleft/scan-slim:latest","org.opencontainers.image.ref.name":"latest"}}]}
let manifest = JSON.parse(
readFileSync(manifestFile, {
encoding: "utf-8"
})
);
let lastLayerConfig = {};
let lastLayerConfigFile = "";
let lastWorkingDir = "";
// Extract the manifest for the new containerd syntax
if (Object.keys(manifest).length !== 0 && manifest.manifests) {
manifest = manifest.manifests;
}
if (Array.isArray(manifest)) {
if (manifest.length !== 1) {
if (DEBUG_MODE) {
console.log(
"Multiple image tags was downloaded. Only the last one would be used"
);
console.log(manifest[manifest.length - 1]);
}
}
const layers = manifest[manifest.length - 1]["Layers"] || [];
if (!layers.length && existsSync(tempDir)) {
const blobFiles = readdirSync(join(tempDir, "blobs", "sha256"));
if (blobFiles && blobFiles.length) {
for (const blobf of blobFiles) {
layers.push(join("blobs", "sha256", blobf));
}
}
}
const lastLayer = layers[layers.length - 1];
for (const layer of layers) {
if (DEBUG_MODE) {
console.log(`Extracting layer ${layer} to ${allLayersExplodedDir}`);
}
try {
await extractTar(join(tempDir, layer), allLayersExplodedDir);
} catch (err) {
console.log(err);
}
}
if (manifest.Config) {
lastLayerConfigFile = join(tempDir, manifest.Config);
}
if (lastLayer.includes("layer.tar")) {
lastLayerConfigFile = join(
tempDir,
lastLayer.replace("layer.tar", "json")
);
}
if (lastLayerConfigFile && existsSync(lastLayerConfigFile)) {
try {
lastLayerConfig = JSON.parse(
readFileSync(lastLayerConfigFile, {
encoding: "utf-8"
})
);
lastWorkingDir =
lastLayerConfig.config && lastLayerConfig.config.WorkingDir
? join(allLayersExplodedDir, lastLayerConfig.config.WorkingDir)
: "";
} catch (err) {
console.log(err);
}
}
}
const exportData = {
inspectData: localData,
manifest,
allLayersDir: tempDir,
allLayersExplodedDir,
lastLayerConfig,
lastWorkingDir
};
exportData.pkgPathList = getPkgPathList(exportData, lastWorkingDir);
return exportData;
};
/**
* Method to export a container image by using the export feature in docker or podman service.
* Returns the location of the layers with additional packages related metadata
*/
export const exportImage = async (fullImageName) => {
// Try to get the data locally first
const localData = await getImage(fullImageName);
if (!localData) {
return undefined;
}
const { registry, tag, digest } = parseImageName(fullImageName);
// Fetch only the latest tag if none is specified
if (tag === "" && digest === "") {
fullImageName = fullImageName + ":latest";
}
const tempDir = mkdtempSync(join(tmpdir(), "docker-images-"));
const allLayersExplodedDir = join(tempDir, "all-layers");
let manifestFile = join(tempDir, "manifest.json");
// Windows containers use index.json
const manifestIndexFile = join(tempDir, "index.json");
// On Windows, fallback to invoking cli
if (needsCliFallback()) {
const imageTarFile = join(tempDir, "image.tar");
console.log(
`About to export image ${fullImageName} to ${imageTarFile} using docker cli`
);
const result = spawnSync(
"docker",
["save", "-o", imageTarFile, fullImageName],
{
encoding: "utf-8"
}
);
if (result.status !== 0 || result.error) {
if (result.stdout || result.stderr) {
console.log(result.stdout, result.stderr);
}
return localData;
} else {
await extractTar(imageTarFile, tempDir);
if (DEBUG_MODE) {
console.log(`Cleaning up ${imageTarFile}`);
}
if (rmSync) {
rmSync(imageTarFile, { force: true });
}
}
} else {
const client = await getConnection({}, registry);
try {
if (DEBUG_MODE) {
if (registry && registry.trim().length) {
console.log(
`About to export image ${fullImageName} from ${registry} to ${tempDir}`
);
} else {
console.log(`About to export image ${fullImageName} to ${tempDir}`);
}
}
await stream.pipeline(
client.stream(`images/${fullImageName}/get`),
x({
sync: true,
preserveOwner: false,
noMtime: true,
noChmod: true,
strict: true,
C: tempDir,
portable: true,
onwarn: () => {}
})
);
} catch (err) {
if (localData && localData.Id) {
console.log(`Retrying with ${localData.Id}`);
try {
await stream.pipeline(
client.stream(`images/${localData.Id}/get`),
x({
sync: true,
preserveOwner: false,
noMtime: true,
noChmod: true,
strict: true,
C: tempDir,
portable: true,
onwarn: () => {}
})
);
} catch (err) {
console.log(err);
}
}
}
}
// Continue with extracting the layers
if (existsSync(tempDir)) {
if (existsSync(manifestFile)) {
// This is fine
} else if (existsSync(manifestIndexFile)) {
manifestFile = manifestIndexFile;
} else {
console.log(
`Manifest file ${manifestFile} was not found after export at ${tempDir}`
);
return undefined;
}
if (DEBUG_MODE) {
console.log(
`Image ${fullImageName} successfully exported to directory ${tempDir}`
);
}
mkdirSync(allLayersExplodedDir);
return await extractFromManifest(
manifestFile,
localData,
tempDir,
allLayersExplodedDir
);
} else {
console.log(`Unable to export image to ${tempDir}`);
}
return undefined;
};
/**
* Method to retrieve path list for system-level packages
*/
export const getPkgPathList = (exportData, lastWorkingDir) => {
const allLayersExplodedDir = exportData.allLayersExplodedDir;
const allLayersDir = exportData.allLayersDir;
let pathList = [];