code: def role_exists(name, region=None, key=None, keyid=None, profile=None):
      '''
      Check to see if an IAM role exists.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_iam.role_exists myirole
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
      try:
          conn.get_role(name)
          return True
      except boto.exception.BotoServerError:
          return Falsf role_exists(name, region=None, key=None, keyid=None, profile=None):
      '''
      Check to see if an IAM role exists.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_iam.role_exists myirole
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
      try:
          conn.get_role(name)
          return True
      except boto.exception.BotoServerError:
          return False
docs: Check to see if an IAM role exists.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_iam.role_exists myirole