TT#32751 Check CD integrity

Write md5 sum during the building of ISO file
Check md5 sum before installation

Change-Id: I27ac12816a750e9e6400eb28a5c5f1edd7f3b101

build_iso.sh

@@ -80,6 +80,8 @@ sudo /usr/sbin/grml2iso -c ./${TEMPLATES} -o "${SIPWISE_ISO}" "${GRML_ISO}"
 echo "*** Generating dd-able ISO ***"
 sudo /usr/bin/isohybrid "${SIPWISE_ISO}"
 
+sudo implantisomd5 "${SIPWISE_ISO}"
+
 echo "*** Generating SHA1 and MD5 checksum files ***"
 sha1sum "${SIPWISE_ISO}" > "${SIPWISE_ISO}.sha1"
 md5sum  "${SIPWISE_ISO}" > "${SIPWISE_ISO}.md5"

templates/scripts/includes/verify_iso_image.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -e
+
+message="Do you want to check the install media?"
+if dialog --yes-label Yes --no-label Skip --yesno "${message}" 0 0 ; then
+  sudo apt-get update 1>/dev/null || true
+  sudo apt-get install isomd5sum --assume-yes 1>/dev/null || true
+  if ! result="$( { checkisomd5 /dev/sr0 1>/dev/null; } 2>&1 )" ; then
+    err_message="Integrity check failed. Reason: ${result}. Abort installation or continue anyway?"
+    if dialog --yes-label Exit --no-label Continue --yesno "${err_message}" 0 0 ; then
+      exit 1
+    else
+      exit 0
+    fi
+  fi
+fi

templates/scripts/main.sh

@@ -157,6 +157,7 @@ deploy() {
 install_sipwise_keyring
 network_check
 "${scripts_dir}/check_installing_version.sh"
+"${scripts_dir}/verify_iso_image.sh"
 prompt_for_target
 check_for_existing_pvs
 report_ssh_password