[build] Remove platform from archive root directory (#93835)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

docs/migration/migrate_8_0.asciidoc

@@ -202,5 +202,13 @@ All supported operating systems support using systemd service files.  Any system
 *Impact:*
 Any installations using `.deb` or `.rpm` packages using SysV will need to migrate to systemd.
 
+[float]
+=== Platform removed from root folder name for `.tar.gz` and `.zip` archives
+
+*Details:*
+The output directory after extracting an archive no longer includes the target platform.  For example, `kibana-8.0.0-linux-aarch64.tar.gz` will produce a folder named `kibana-8.0.0`.
+
+*Impact:*
+Configuration management tools and automation will need to be updated to use the new directory.
 
 // end::notable-breaking-changes[]

docs/setup/install/targz.asciidoc

@@ -34,7 +34,7 @@ The Linux archive for Kibana v{version} can be downloaded and installed as follo
 curl -O https://artifacts.elastic.co/downloads/kibana/kibana-{version}-linux-x86_64.tar.gz
 curl https://artifacts.elastic.co/downloads/kibana/kibana-{version}-linux-x86_64.tar.gz.sha512 | shasum -a 512 -c - <1>
 tar -xzf kibana-{version}-linux-x86_64.tar.gz
-cd kibana-{version}-linux-x86_64/ <2>
+cd kibana-{version}/ <2>
 --------------------------------------------
 <1> Compares the SHA of the downloaded `.tar.gz` archive and the published checksum, which should output
     `kibana-{version}-linux-x86_64.tar.gz: OK`.
@@ -82,7 +82,7 @@ The Darwin archive for Kibana v{version} can be downloaded and installed as foll
 curl -O https://artifacts.elastic.co/downloads/kibana/kibana-{version}-darwin-x86_64.tar.gz
 curl https://artifacts.elastic.co/downloads/kibana/kibana-{version}-darwin-x86_64.tar.gz.sha512 | shasum -a 512 -c - <1>
 tar -xzf kibana-{version}-darwin-x86_64.tar.gz
-cd kibana-{version}-darwin-x86_64/ <2>
+cd kibana-{version}/ <2>
 --------------------------------------------
 <1> Compares the SHA of the downloaded `.tar.gz` archive and the published checksum, which should output
     `kibana-{version}-darwin-x86_64.tar.gz: OK`.

src/dev/build/lib/build.test.ts

@@ -107,4 +107,11 @@ describe('#getPlatformArchivePath()', () => {
       `<absolute path>/target/kibana-oss-8.0.0-windows-x86_64.zip`
     );
   });
+
+  describe('#getRootDirectory()', () => {
+    it('creates correct root directory name', () => {
+      expect(ossBuild.getRootDirectory()).toMatchInlineSnapshot(`"kibana-oss-8.0.0"`);
+      expect(defaultBuild.getRootDirectory()).toMatchInlineSnapshot(`"kibana-8.0.0"`);
+    });
+  });
 });

src/dev/build/lib/build.ts

@@ -42,6 +42,10 @@ export class Build {
     );
   }
 
+  getRootDirectory() {
+    return `${this.name}-${this.config.getBuildVersion()}`;
+  }
+
   getName() {
     return this.name;
   }

src/dev/build/lib/fs.ts

@@ -246,6 +246,7 @@ export async function gunzip(source: string, destination: string) {
 
 interface CompressTarOptions {
   createRootDirectory: boolean;
+  rootDirectoryName?: string;
   source: string;
   destination: string;
   archiverOptions?: archiver.TarOptions & archiver.CoreOptions;
@@ -255,11 +256,12 @@ export async function compressTar({
   destination,
   archiverOptions,
   createRootDirectory,
+  rootDirectoryName,
 }: CompressTarOptions) {
   const output = fs.createWriteStream(destination);
   const archive = archiver('tar', archiverOptions);
-  const name = createRootDirectory ? source.split(sep).slice(-1)[0] : false;
-
+  const folder = rootDirectoryName ? rootDirectoryName : source.split(sep).slice(-1)[0];
+  const name = createRootDirectory ? folder : false;
   archive.pipe(output);
 
   let fileCount = 0;
@@ -276,6 +278,7 @@ export async function compressTar({
 
 interface CompressZipOptions {
   createRootDirectory: boolean;
+  rootDirectoryName?: string;
   source: string;
   destination: string;
   archiverOptions?: archiver.ZipOptions & archiver.CoreOptions;
@@ -285,11 +288,12 @@ export async function compressZip({
   destination,
   archiverOptions,
   createRootDirectory,
+  rootDirectoryName,
 }: CompressZipOptions) {
   const output = fs.createWriteStream(destination);
   const archive = archiver('zip', archiverOptions);
-  const name = createRootDirectory ? source.split(sep).slice(-1)[0] : false;
-
+  const folder = rootDirectoryName ? rootDirectoryName : source.split(sep).slice(-1)[0];
+  const name = createRootDirectory ? folder : false;
   archive.pipe(output);
 
   let fileCount = 0;

src/dev/build/tasks/create_archives_task.ts

@@ -45,6 +45,7 @@ export const CreateArchives: Task = {
                 },
               },
               createRootDirectory: true,
+              rootDirectoryName: build.getRootDirectory(),
             }),
           });
           break;
@@ -63,6 +64,7 @@ export const CreateArchives: Task = {
                 },
               },
               createRootDirectory: true,
+              rootDirectoryName: build.getRootDirectory(),
             }),
           });
           break;