Check to see if a cache cluster exists.

    Example:

    .. code-block:: bash

        salt myminion boto3_elasticache.cache_cluster_exists myelasticache

def cache_cluster_exists(name, conn=None, region=None, key=None, keyid=None, profile=None):
    '''
    Check to see if a cache cluster exists.

    Example:

    .. code-block:: bash

        salt myminion boto3_elasticache.cache_cluster_exists myelasticache
    '''
    return bool(describe_cache_clusters(name=name, conn=conn, region=region, key=key, keyid=keyid, profile=profile))