[macOS] Implement new directories hierarchy (#8741)

images/macos/scripts/build/configure-hostname.sh

@@ -0,0 +1,28 @@
+#!/bin/bash -e -o pipefail
+
+# Add script for changing hostname to run on startup to prevent duplicate hostnames across the environment. Hostname and Computername should contain .local in name to avoid name resolution issues
+tee -a /usr/local/bin/change_hostname.sh > /dev/null <<\EOF
+#!/bin/bash -e -o pipefail
+
+name="Mac-$(python3 -c 'from time import time; print(int(round(time() * 1000)))')"
+scutil --set HostName "${name}.local"
+scutil --set LocalHostName $name
+scutil --set ComputerName "${name}.local"
+EOF
+
+chmod +x "/usr/local/bin/change_hostname.sh"
+
+sudo tee -a /Library/LaunchDaemons/change_hostname.plist > /dev/null <<\EOF
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+        <dict>
+                <key>Label</key>
+                <string>change-hostname</string>
+                <key>Program</key>
+                <string>/usr/local/bin/change_hostname.sh</string>
+                <key>RunAtLoad</key>
+                <true/>
+        </dict>
+</plist>
+EOF