Refactor dnsmasq setup script: update file paths and remove obsolete script

setup/dnsmasq/setup.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# This file to be run on dnsmasq server (Central)
+
+echo "Updating APT repositories."
+sudo apt-get update
+
+echo "Installing dnsmasq and nginx."
+sudo apt install -y dnsmasq nginx
+
+DNSMASQ_SETUP_DIR="."
+PXE_FTPD_DIR="${DNSMASQ_SETUP_DIR}/pxe-ftpd"
+PXE_WEB_ROOT="${DNSMASQ_SETUP_DIR}/ipxe-web"
+
+# Configure nginx.
+echo "Configuring nginx."
+sudo cp "${DNSMASQ_SETUP_DIR}/nginx.conf" /etc/nginx/sites-available/talos
+sudo chown www-data:www-data /etc/nginx/sites-available/talos
+sudo chmod -R 755 /etc/nginx/sites-available/talos
+
+# Copy assets to nginx web root
+echo "Copying Talos PXE boot assets to nginx web root."
+TALOS_PXE_WEB_ROOT="/var/www/html/talos"
+sudo mkdir -p "${TALOS_PXE_WEB_ROOT}"
+sudo rm -rf ${TALOS_PXE_WEB_ROOT}/* # Clean the web root directory
+sudo cp -r ${PXE_WEB_ROOT}/* "${TALOS_PXE_WEB_ROOT}"
+sudo chown -R www-data:www-data "${TALOS_PXE_WEB_ROOT}"
+sudo chmod -R 755 "${TALOS_PXE_WEB_ROOT}"
+
+# Start nginx service to serve the iPXE script and images
+echo "Starting nginx service."
+sudo ln -s /etc/nginx/sites-available/talos /etc/nginx/sites-enabled/talos > /dev/null 2>&1 || true
+sudo rm -f /etc/nginx/sites-enabled/default
+sudo systemctl reload nginx
+
+# Stop and disable systemd-resolved if it is running
+if systemctl is-active --quiet systemd-resolved; then
+    echo "Stopping and disabling systemd-resolved..."
+    sudo systemctl disable systemd-resolved
+    sudo systemctl stop systemd-resolved
+    # sudo rm -f /etc/resolv.conf
+    echo "systemd-resolved stopped and disabled"
+fi
+
+# Update PXE's iPXE bootloader files.
+echo "Updating iPXE ftpd bootloader files."
+sudo mkdir -p /var/ftpd
+sudo cp ${PXE_FTPD_DIR}/* /var/ftpd/
+
+# Finally, install and configure DNSMasq.
+echo "Configuring and starting DNSMasq."
+sudo cp "${DNSMASQ_SETUP_DIR}/dnsmasq.conf" /etc/dnsmasq.conf
+sudo systemctl restart dnsmasq
+
+echo "DNSMasq installation and configuration completed successfully."