Ability to start OS Dashboards with a newer and compatible nodejs version

CHANGELOG.md

@@ -9,7 +9,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### 🛡 Security
 
 ### 📈 Features/Enhancements
-
+* Ability to start OS Dashboards with a newer and compatible nodejs version ([#2091](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2091))
 * [MD] Support legacy client for data source ([#2204](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2204))
 * [MD] Add data source signing support ([#2510](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2510)) 
 * [Plugin Helpers] Facilitate version changes ([#2398](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2398))

src/setup_node_env/node_version_validator.js

@@ -37,18 +37,31 @@ var rawRequiredVersion = (pkg && pkg.engines && pkg.engines.node) || null;
 var requiredVersion = rawRequiredVersion ? 'v' + rawRequiredVersion : rawRequiredVersion;
 var currentVersionMajorMinorPatch = currentVersion.match(/^v(\d+)\.(\d+)\.(\d+)/);
 var requiredVersionMajorMinorPatch = requiredVersion.match(/^v(\d+)\.(\d+)\.(\d+)/);
+var currentMinorPatch = currentVersionMajorMinorPatch[2].concat(
+  '.',
+  currentVersionMajorMinorPatch[3]
+);
+var requiredMinorPatch = requiredVersionMajorMinorPatch[2].concat(
+  '.',
+  requiredVersionMajorMinorPatch[3]
+);
 var isVersionValid =
   currentVersionMajorMinorPatch[1] === requiredVersionMajorMinorPatch[1] &&
-  currentVersionMajorMinorPatch[2] === requiredVersionMajorMinorPatch[2] &&
-  parseInt(currentVersionMajorMinorPatch[3], 10) >= parseInt(requiredVersionMajorMinorPatch[3], 10);
+  parseFloat(currentMinorPatch) >= parseFloat(requiredMinorPatch);
+var isMinorValid = currentVersionMajorMinorPatch[2] === requiredVersionMajorMinorPatch[2];
 
 // Validates current the NodeJS version compatibility when OpenSearch Dashboards starts.
 if (!isVersionValid) {
   var errorMessage =
     `OpenSearch Dashboards was built with ${requiredVersion} and does not support the current Node.js version ${currentVersion}. ` +
     `Please use Node.js ${requiredVersion} or a higher patch version.`;
-
   // Actions to apply when validation fails: error report + exit.
   console.error(errorMessage);
   process.exit(1);
+} else if (!isMinorValid) {
+  // Validates Minor version of the NodeJS
+  var warnMessage =
+    `You're using an untested version of Node.js. OpenSearch Dashboards has been tested to work with Node.js ` +
+    `${requiredVersion}. Your current version is ${currentVersion}.`;
+  console.warn(warnMessage);
 }

src/setup_node_env/node_version_validator.test.js

@@ -64,8 +64,8 @@ describe('NodeVersionValidator', function () {
     );
   });
 
-  it('should run the script WITH error if the minor version is higher', function (done) {
-    testValidateNodeVersion(done, requiredNodeVersionWithDiff(0, +1, 0), true);
+  it('should run the script WITH warning message if the minor version is higher', function (done) {
+    testValidateNodeVersion(done, requiredNodeVersionWithDiff(0, +1, 0), false, true);
   });
 
   it('should run the script WITH error if the minor version is lower', function (done) {
@@ -87,12 +87,13 @@ function requiredNodeVersionWithDiff(majorDiff, minorDiff, patchDiff) {
   return `v${major}.${minor}.${patch}`;
 }
 
-function testValidateNodeVersion(done, versionToTest, expectError = false) {
+function testValidateNodeVersion(done, versionToTest, expectError = false, expectWarning = false) {
   var processVersionOverwrite = `Object.defineProperty(process, 'version', { value: '${versionToTest}', writable: true });`;
   var command = `node -e "${processVersionOverwrite}require('./node_version_validator.js')"`;
 
   exec(command, { cwd: __dirname }, function (error, _stdout, stderr) {
     expect(stderr).toBeDefined();
+
     if (expectError) {
       expect(error.code).toBe(1);
 
@@ -101,6 +102,13 @@ function testValidateNodeVersion(done, versionToTest, expectError = false) {
         `Please use Node.js ${REQUIRED_NODE_JS_VERSION} or a higher patch version.\n`;
 
       expect(stderr).toStrictEqual(speficicErrorMessage);
+    } else if (expectWarning) {
+      expect(error).toBeNull();
+
+      var speficicWarningMessage =
+        `You're using an untested version of Node.js. OpenSearch Dashboards has been tested to work with Node.js ` +
+        `${REQUIRED_NODE_JS_VERSION}. Your current version is ${versionToTest}.\n`;
+      expect(stderr).toStrictEqual(speficicWarningMessage);
     } else {
       expect(error).toBeNull();
       expect(stderr).toHaveLength(0);