Bundle Node 14 as a fallback for operating systems that cannot run No…

…de 18 (#4151) (#4175)

(cherry picked from commit 20c928f)

Signed-off-by: ananzh <ananzh@amazon.com>
Signed-off-by: Miki <miki@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

scripts/use_node

@@ -57,11 +57,17 @@ elif [ ! -z "$NODE_HOME" ]; then
   NODE_ERROR_MSG="in NODE_HOME"
   NODE_ERROR_SHOW=true
 else
+  # Set these variables outside, as catchalls, to show meaningful errors if needed
   NODE="$OSD_HOME/node/bin/node"
   NODE_ERROR_MSG="bundled with OpenSearch Dashboards"
   # A bin folder at the root is only present in release builds that have a bundled Node.js binary
-  if [ -x "OSD_HOME/bin" ]; then
+  if [ -d "${OSD_HOME}/bin" ]; then
     NODE_ERROR_SHOW=true
+    # Not all operating systems can run the latest Node.js and the fallback is for them
+    "${NODE}" -v 2> /dev/null
+    if [ $? -ne 0 ] && [ -d "${OSD_HOME}/node/fallback" ]; then
+      NODE="$OSD_HOME/node/fallback/bin/node"
+    fi
   fi
 fi
 
@@ -75,7 +81,7 @@ else
 fi
 
 if [ ! -x "$NODE" ]; then
-  # Irrespective of NODE_ERROR_SHOW, show the error
+  # Irrespective of NODE_ERROR_SHOW, if NODE is not found or executable, show the error
   echo "Could not find a Node.js runtime binary $NODE_ERROR_MSG or on the system" >&2
   exit 1
 fi

src/dev/build/tasks/create_archives_sources_task.ts

@@ -29,7 +29,7 @@
  */
 
 import { scanCopy, Task } from '../lib';
-import { getNodeDownloadInfo } from './nodejs';
+import { getNodeDownloadInfo, getNodeVersionDownloadInfo, NODE14_FALLBACK_VERSION } from './nodejs';
 
 export const CreateArchivesSources: Task = {
   description: 'Creating platform-specific archive source directories',
@@ -54,6 +54,20 @@ export const CreateArchivesSources: Task = {
           destination: build.resolvePathForPlatform(platform, 'node'),
         });
 
+        // ToDo [NODE14]: Remove this Node.js 14 fallback download
+        // Copy the Node.js 14 binaries into node/fallback to be used by `use_node`
+        await scanCopy({
+          source: (
+            await getNodeVersionDownloadInfo(
+              NODE14_FALLBACK_VERSION,
+              platform.getNodeArch(),
+              platform.isWindows(),
+              config.resolveFromRepo()
+            )
+          ).extractDir,
+          destination: build.resolvePathForPlatform(platform, 'node', 'fallback'),
+        });
+
         log.debug('Node.js copied into', platform.getNodeArch(), 'specific build directory');
       })
     );

src/dev/build/tasks/nodejs/download_node_builds_task.test.ts

@@ -44,7 +44,9 @@ jest.mock('../../lib/get_build_number');
 
 expect.addSnapshotSerializer(createAnyInstanceSerializer(ToolingLog));
 
-const { getNodeDownloadInfo } = jest.requireMock('./node_download_info');
+const { getNodeDownloadInfo, getNodeVersionDownloadInfo } = jest.requireMock(
+  './node_download_info'
+);
 const { getNodeShasums } = jest.requireMock('./node_shasums');
 const { download } = jest.requireMock('../../lib/download');
 
@@ -76,6 +78,16 @@ async function setup({ failOnUrl }: { failOnUrl?: string } = {}) {
     };
   });
 
+  getNodeVersionDownloadInfo.mockImplementation((version, architecture, isWindows, repoRoot) => {
+    return {
+      url: `https://mirrors.nodejs.org/dist/v${version}/node-v${version}-${architecture}.tar.gz`,
+      downloadName: `node-v${version}-${architecture}.tar.gz`,
+      downloadPath: `/mocked/path/.node_binaries/${version}/node-v${version}-${architecture}.tar.gz`,
+      extractDir: `/mocked/path/.node_binaries/${version}/${architecture}`,
+      version,
+    };
+  });
+
   getNodeShasums.mockReturnValue({
     'linux:downloadName': 'linux:sha256',
     'darwin:downloadName': 'darwin:sha256',
@@ -134,6 +146,42 @@ it('downloads node builds for each platform', async () => {
           "url": "win32:url",
         },
       ],
+      Array [
+        Object {
+          "destination": "/mocked/path/.node_binaries/14.21.3/node-v14.21.3-linux-x64.tar.gz",
+          "log": <ToolingLog>,
+          "retries": 3,
+          "sha256": undefined,
+          "url": "https://mirrors.nodejs.org/dist/v14.21.3/node-v14.21.3-linux-x64.tar.gz",
+        },
+      ],
+      Array [
+        Object {
+          "destination": "/mocked/path/.node_binaries/14.21.3/node-v14.21.3-linux-arm64.tar.gz",
+          "log": <ToolingLog>,
+          "retries": 3,
+          "sha256": undefined,
+          "url": "https://mirrors.nodejs.org/dist/v14.21.3/node-v14.21.3-linux-arm64.tar.gz",
+        },
+      ],
+      Array [
+        Object {
+          "destination": "/mocked/path/.node_binaries/14.21.3/node-v14.21.3-darwin-x64.tar.gz",
+          "log": <ToolingLog>,
+          "retries": 3,
+          "sha256": undefined,
+          "url": "https://mirrors.nodejs.org/dist/v14.21.3/node-v14.21.3-darwin-x64.tar.gz",
+        },
+      ],
+      Array [
+        Object {
+          "destination": "/mocked/path/.node_binaries/14.21.3/node-v14.21.3-win32-x64.tar.gz",
+          "log": <ToolingLog>,
+          "retries": 3,
+          "sha256": undefined,
+          "url": "https://mirrors.nodejs.org/dist/v14.21.3/node-v14.21.3-win32-x64.tar.gz",
+        },
+      ],
     ]
   `);
   expect(testWriter.messages).toMatchInlineSnapshot(`Array []`);

src/dev/build/tasks/nodejs/download_node_builds_task.ts

@@ -30,16 +30,25 @@
 
 import { download, GlobalTask } from '../../lib';
 import { getNodeShasums } from './node_shasums';
-import { getNodeDownloadInfo, getRequiredVersion } from './node_download_info';
+import {
+  getNodeDownloadInfo,
+  getNodeVersionDownloadInfo,
+  getRequiredVersion,
+  NODE14_FALLBACK_VERSION,
+} from './node_download_info';
 
 export const DownloadNodeBuilds: GlobalTask = {
   global: true,
   description: 'Downloading node.js builds for all platforms',
   async run(config, log) {
     const requiredNodeVersion = getRequiredVersion(config);
     const shasums = await getNodeShasums(log, requiredNodeVersion);
-    await Promise.all(
-      config.getTargetPlatforms().map(async (platform) => {
+
+    // ToDo [NODE14]: Remove this Node.js 14 fallback download
+    const node14ShaSums = await getNodeShasums(log, NODE14_FALLBACK_VERSION);
+
+    await Promise.all([
+      ...config.getTargetPlatforms().map(async (platform) => {
         const { url, downloadPath, downloadName } = await getNodeDownloadInfo(config, platform);
         await download({
           log,
@@ -48,7 +57,23 @@ export const DownloadNodeBuilds: GlobalTask = {
           destination: downloadPath,
           retries: 3,
         });
-      })
-    );
+      }),
+      // ToDo [NODE14]: Remove this Node.js 14 fallback download
+      ...config.getTargetPlatforms().map(async (platform) => {
+        const { url, downloadPath, downloadName } = await getNodeVersionDownloadInfo(
+          NODE14_FALLBACK_VERSION,
+          platform.getNodeArch(),
+          platform.isWindows(),
+          config.resolveFromRepo()
+        );
+        await download({
+          log,
+          url,
+          sha256: node14ShaSums[downloadName],
+          destination: downloadPath,
+          retries: 3,
+        });
+      }),
+    ]);
   },
 };

src/dev/build/tasks/nodejs/extract_node_builds_task.test.ts

@@ -123,6 +123,27 @@ it('runs expected fs operations', async () => {
             "strip": 1,
           },
         ],
+        Array [
+          <absolute path>/.node_binaries/14.21.3/node-v14.21.3-linux-x64.tar.gz,
+          <absolute path>/.node_binaries/14.21.3/linux-x64,
+          Object {
+            "strip": 1,
+          },
+        ],
+        Array [
+          <absolute path>/.node_binaries/14.21.3/node-v14.21.3-linux-arm64.tar.gz,
+          <absolute path>/.node_binaries/14.21.3/linux-arm64,
+          Object {
+            "strip": 1,
+          },
+        ],
+        Array [
+          <absolute path>/.node_binaries/14.21.3/node-v14.21.3-darwin-x64.tar.gz,
+          <absolute path>/.node_binaries/14.21.3/darwin-x64,
+          Object {
+            "strip": 1,
+          },
+        ],
       ],
       "unzip": Array [
         Array [
@@ -132,6 +153,13 @@ it('runs expected fs operations', async () => {
             "strip": 1,
           },
         ],
+        Array [
+          <absolute path>/.node_binaries/14.21.3/node-v14.21.3-win-x64.zip,
+          <absolute path>/.node_binaries/14.21.3/win32-x64,
+          Object {
+            "strip": 1,
+          },
+        ],
       ],
     }
   `);

src/dev/build/tasks/nodejs/extract_node_builds_task.ts

@@ -29,21 +29,39 @@
  */
 
 import { untar, unzip, GlobalTask } from '../../lib';
-import { getNodeDownloadInfo } from './node_download_info';
+import {
+  getNodeDownloadInfo,
+  getNodeVersionDownloadInfo,
+  NODE14_FALLBACK_VERSION,
+} from './node_download_info';
 
 export const ExtractNodeBuilds: GlobalTask = {
   global: true,
   description: 'Extracting node.js builds for all platforms',
   async run(config) {
-    await Promise.all(
-      config.getTargetPlatforms().map(async (platform) => {
+    await Promise.all([
+      ...config.getTargetPlatforms().map(async (platform) => {
         const { downloadPath, extractDir } = await getNodeDownloadInfo(config, platform);
         if (platform.isWindows()) {
           await unzip(downloadPath, extractDir, { strip: 1 });
         } else {
           await untar(downloadPath, extractDir, { strip: 1 });
         }
-      })
-    );
+      }),
+      // ToDo [NODE14]: Remove this Node.js 14 fallback download
+      ...config.getTargetPlatforms().map(async (platform) => {
+        const { downloadPath, extractDir } = await getNodeVersionDownloadInfo(
+          NODE14_FALLBACK_VERSION,
+          platform.getNodeArch(),
+          platform.isWindows(),
+          config.resolveFromRepo()
+        );
+        if (platform.isWindows()) {
+          await unzip(downloadPath, extractDir, { strip: 1 });
+        } else {
+          await untar(downloadPath, extractDir, { strip: 1 });
+        }
+      }),
+    ]);
   },
 };

src/dev/build/tasks/nodejs/node_download_info.ts

@@ -28,14 +28,16 @@
  * under the License.
  */
 
-import { basename } from 'path';
+import { basename, resolve } from 'path';
 import fetch from 'node-fetch';
 import semver from 'semver';
 
 import { Config, Platform } from '../../lib';
 
 const NODE_RANGE_CACHE: { [key: string]: string } = {};
 
+export const NODE14_FALLBACK_VERSION = '14.21.3';
+
 export async function getNodeDownloadInfo(config: Config, platform: Platform) {
   const version = getRequiredVersion(config);
   const arch = platform.getNodeArch();
@@ -57,6 +59,29 @@ export async function getNodeDownloadInfo(config: Config, platform: Platform) {
   };
 }
 
+export async function getNodeVersionDownloadInfo(
+  version: string,
+  architecture: string,
+  isWindows: boolean,
+  repoRoot: string
+) {
+  const downloadName = isWindows
+    ? `node-v${version}-win-x64.zip`
+    : `node-v${version}-${architecture}.tar.gz`;
+
+  const url = `https://mirrors.nodejs.org/dist/v${version}/${downloadName}`;
+  const downloadPath = resolve(repoRoot, '.node_binaries', version, basename(downloadName));
+  const extractDir = resolve(repoRoot, '.node_binaries', version, architecture);
+
+  return {
+    url,
+    downloadName,
+    downloadPath,
+    extractDir,
+    version,
+  };
+}
+
 export async function getLatestNodeVersion(config: Config) {
   const range = config.getNodeRange();
   // Check cache and return if known