Big bang

02-download-iso.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Download the Proxmox VE ISO into the libvirt pool dir and verify its sha256.
+set -euo pipefail
+source "$(dirname "$0")/lab.env"
+
+sudo -v   # prompt for the sudo password once, up front
+
+DEST="${LIB_DIR}/${ISO_FILE}"
+
+verify() { echo "${ISO_SHA256}  ${DEST}" | sudo sha256sum -c - >/dev/null 2>&1; }
+
+if sudo test -f "$DEST" && verify; then
+  echo "==> ${ISO_FILE} already present and verified"
+else
+  echo "==> Downloading ${ISO_URL}"
+  sudo curl -fL --progress-bar -o "$DEST" "$ISO_URL"
+  echo "==> Verifying sha256"
+  verify || { echo "ERROR: checksum mismatch for $DEST"; exit 1; }
+  echo "    OK"
+fi
+command -v restorecon >/dev/null && sudo restorecon "$DEST" || true
+echo
+echo "ISO ready. Next: ./03-build-autoinstall-isos.sh"