docs: def index_open(index, allow_no_indices=True, expand_wildcards='closed', ignore_unavailable=True, hosts=None, profile=None):
      '''
      .. versionadded:: 2017.7.0
  
      Open specified index.
  
      index
          Index to be opened
      allow_no_indices
          Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes _all string or when no indices have been specified)
      expand_wildcards
          Whether to expand wildcard expression to concrete indices that are open, closed or both., default ‘closed’, valid choices are: ‘open’, ‘closed’, ‘none’, ‘all’
      ignore_unavailable
          Whether specified concrete indices should be ignored when unavailable (missing or closed)
  
      CLI example::
  
          salt myminion elasticsearch.index_open testindex
      '''
      es = _get_instance(hosts, profile)
  
      try:
          result = es.indices.open(index=index, allow_no_indices=allow_no_indices, expand_wildcards=expand_wildcards, ignore_unavailable=ignore_unavailable)
  
          return result.get('acknowledged', False)
      except elasticsearch.TransportError as e:
          raise CommandExecutionError("Cannot open index {0}, server returned code {1} with message {2}".format(index, e.status_code, e.error))