[ubuntu] Rename build scripts (#8866)

* [ubuntu] Rename build scripts

* [ubuntu] Change reboot to inline shell

* [ubuntu] Move disk space validation to pester tests

* [ubuntu] Rename helper and tests files

* [ubuntu] Changes to cleanup, post-deployment and r scripts

images/ubuntu/scripts/build/install-aliyun-cli.sh

@@ -0,0 +1,37 @@
+#!/bin/bash -e
+################################################################################
+##  File:  install-aliyun-cli.sh
+##  Desc:  Install Alibaba Cloud CLI
+##  Supply chain security: Alibaba Cloud CLI - checksum validation
+################################################################################
+
+# Source the helpers for use with the script
+source $HELPER_SCRIPTS/os.sh
+source $HELPER_SCRIPTS/install.sh
+
+# Install Alibaba Cloud CLI
+# Pin tool version on ubuntu20 due to issues with GLIBC_2.32 not available
+if isUbuntu20; then
+    toolset_version=$(get_toolset_value '.aliyunCli.version')
+    download_url="https://github.com/aliyun/aliyun-cli/releases/download/v$toolset_version/aliyun-cli-linux-$toolset_version-amd64.tgz"
+else
+    download_url=$(get_github_package_download_url "aliyun/aliyun-cli" "contains(\"aliyun-cli-linux\") and endswith(\"amd64.tgz\")")
+    hash_url="https://github.com/aliyun/aliyun-cli/releases/latest/download/SHASUMS256.txt"
+fi
+
+package_name="aliyun-cli-linux-amd64.tgz"
+download_with_retries "$download_url" "/tmp" "$package_name"
+
+# Supply chain security - Alibaba Cloud CLI
+if isUbuntu20; then
+    external_hash=$(get_toolset_value '.aliyunCli.sha256')
+else
+    external_hash=$(get_hash_from_remote_file "$hash_url" "aliyun-cli-linux" "amd64.tgz")
+fi
+
+use_checksum_comparison "/tmp/$package_name" "$external_hash"
+
+tar xzf "/tmp/$package_name"
+mv aliyun /usr/local/bin
+
+invoke_tests "CLI.Tools" "Aliyun CLI"