[Build] Build ARM64 for deb and rpm

Build ARM64 for deb with the following commands:
yarn build --deb --skip-archives
yarn build --deb --skip-archives --release

Build ARM64 for rpm with the following commands:
yarn build --rpm --skip-archives
yarn build --rpm --skip-archives --release

Issue partially resolved:
opensearch-project#1259

Signed-off-by: Kawika Avilla <kavilla414@gmail.com>

src/dev/build/tasks/os_packages/create_os_package_tasks.ts

@@ -33,20 +33,34 @@ export const CreateDebPackage: Task = {
   description: 'Creating deb package',
 
   async run(config, log, build) {
-    await runFpm(config, log, build, 'deb', [
+    await runFpm(config, log, build, 'deb', 'x64', [
       '--architecture',
       'amd64',
       '--deb-priority',
       'optional',
     ]);
+
+    await runFpm(config, log, build, 'deb', 'arm64', [
+      '--architecture',
+      'arm64',
+      '--deb-priority',
+      'optional',
+    ]);
   },
 };
 
 export const CreateRpmPackage: Task = {
   description: 'Creating rpm package',
 
   async run(config, log, build) {
-    await runFpm(config, log, build, 'rpm', ['--architecture', 'x64', '--rpm-os', 'linux']);
+    await runFpm(config, log, build, 'rpm', 'x64', ['--architecture', 'x64', '--rpm-os', 'linux']);
+
+    await runFpm(config, log, build, 'rpm', 'arm64', [
+      '--architecture',
+      'arm64',
+      '--rpm-os',
+      'linux',
+    ]);
   },
 };
 

src/dev/build/tasks/os_packages/run_fpm.ts

@@ -36,9 +36,10 @@ export async function runFpm(
   log: ToolingLog,
   build: Build,
   type: 'rpm' | 'deb',
+  arch: 'x64' | 'arm64',
   pkgSpecificFlags: string[]
 ) {
-  const linux = config.getPlatform('linux', 'x64');
+  const linux = config.getPlatform('linux', arch);
   const version = config.getBuildVersion();
 
   const resolveWithTrailingSlash = (...paths: string[]) => `${resolve(...paths)}/`;