[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-julia.sh

@@ -0,0 +1,27 @@
+#!/bin/bash -e
+################################################################################
+##  File:  install-julia.sh
+##  Desc:  Install Julia and add to the path
+################################################################################
+
+# Source the helpers for use with the script
+source $HELPER_SCRIPTS/install.sh
+
+# get the latest julia version
+json=$(curl -fsSL "https://julialang-s3.julialang.org/bin/versions.json")
+julia_version=$(echo $json | jq -r '.[].files[] | select(.triplet=="x86_64-linux-gnu" and (.version | contains("-") | not)).version' | sort -V | tail -n1)
+
+# download julia archive
+julia_tar_url=$(echo $json | jq -r ".[].files[].url | select(endswith(\"julia-${julia_version}-linux-x86_64.tar.gz\"))")
+julia_tar_name="julia-${julia_version}-linux-x86_64.tar.gz"
+download_with_retries $julia_tar_url "/tmp" "${julia_tar_name}"
+
+# extract files and make symlink
+julia_tar_tmp="/tmp/${julia_tar_name}"
+julia_installation_path="/usr/local/julia${julia_version}"
+mkdir -p "${julia_installation_path}"
+tar -C "${julia_installation_path}" -xzf "${julia_tar_tmp}" --strip-components=1
+ln -s "${julia_installation_path}/bin/julia" /usr/bin/julia
+rm "${julia_tar_tmp}"
+
+invoke_tests "Tools" "Julia"