code: def get_armbian_release_field(self, field):
          
          field_value = None
          pattern = r'^' + field + r'=(.*)'
          try:
              with open("/etc/armbian-release", 'r') as release_file:
                  armbian = release_file.read().split('\n')
                  for line in armbian:
                      match = re.search(pattern, line)
                      if match:
                          field_value = match.group(1)
          except FileNotFoundError:
              pass
  
          return field_value
docs: Search /etc/armbian-release, if it exists, for a field and return its
          value, if found, otherwise None.