--help

Show available commands and arguments.

Show the curator help output:

curator --help

The output of curator --help:

$ curator --help
Usage: curator [OPTIONS] COMMAND [ARGS]...

  Curator for Elasticsearch indices.

  See http://elastic.co/guide/en/elasticsearch/client/curator/current

Options:
  --host TEXT         Elasticsearch host.
  --url_prefix TEXT   Elasticsearch http url prefix.
  --port INTEGER      Elasticsearch port.
  --use_ssl           Connect to Elasticsearch through SSL.
  --ssl-no-validate   Use SSL but do not validate the certificate (WARNING: UNSAFE!).
  --certificate TEXT  Path to CA certificate to use for SSL validation.
  --client-cert TEXT  Path to client certificate file to use for SSL client authentication.
  --client-key TEXT   Path to client key file to use for SSL client authentication.
  --http_auth TEXT    Use Basic Authentication ex: user:pass
  --timeout INTEGER   Connection timeout in seconds.
  --master-only       Only operate on elected master node.
  --dry-run           Do not perform any changes.
  --debug             Debug mode
  --loglevel TEXT     Log level
  --logfile TEXT      log file
  --logformat TEXT    Log output format [default|logstash].
  --version           Show the version and exit.
  --help              Show this message and exit.

Commands:
  alias       Index Aliasing
  allocation  Index Allocation
  bloom       Disable bloom filter cache
  close       Close indices
  delete      Delete indices or snapshots
  open        Open indices
  optimize    Optimize Indices
  replicas    Replica Count Per-shard
  show        Show indices or snapshots
  snapshot    Take snapshots of indices (Backup)