I did this :
curator --config ~/.curator/curator.yml --dry-run ~/.curator/action.yml
and I had this :
2018-05-21 14:54:50,488 DEBUG curator.cli run:108 Client and logging options validated.
2018-05-21 14:54:50,488 DEBUG curator.cli run:112 default_timeout = 30
2018-05-21 14:54:50,489 DEBUG curator.cli run:116 action_file: /root/.curator/action.yml
2018-05-21 14:54:50,496 DEBUG curator.cli run:118 action_config: {'actions': {1: {'action': 'delete_indices', 'description': 'Delete indices older than 1 days (based on index name), for logstash- prefixed indices. Ignore the error if the filter does not result in an actionable list of indices (ignore_empty_list) and exit cleanly.', 'options': {'ignore_empty_list': True, 'timeout_override': None, 'continue_if_exception': False, 'disable_action': False}, 'filters': [{'filtertype': 'pattern', 'kind': 'prefix', 'value': 'logstash-', 'exclude': None}, {'filtertype': 'age', 'source': 'name', 'direction': 'older', 'timestring': '%Y.%m.%d', 'unit': 'days', 'unit_count': 1, 'exclude': None}]}}}
2018-05-21 14:54:50,497 DEBUG curator.validators.SchemaCheck __init__:26 Schema: {'actions': <class 'dict'>}
2018-05-21 14:54:50,497 DEBUG curator.validators.SchemaCheck __init__:27 "Actions File" config: {'actions': {1: {'action': 'delete_indices', 'description': 'Delete indices older than 1 days (based on index name), for logstash- prefixed indices. Ignore the error if the filter does not result in an actionable list of indices (ignore_empty_list) and exit cleanly.', 'options': {'ignore_empty_list': True, 'timeout_override': None, 'continue_if_exception': False, 'disable_action': False}, 'filters': [{'filtertype': 'pattern', 'kind': 'prefix', 'value': 'logstash-', 'exclude': None}, {'filtertype': 'age', 'source': 'name', 'direction': 'older', 'timestring': '%Y.%m.%d', 'unit': 'days', 'unit_count': 1, 'exclude': None}]}}}
2018-05-21 14:54:50,497 DEBUG curator.validators.SchemaCheck __init__:26 Schema: {'action': Any(In(['alias', 'allocation', 'close', 'cluster_routing', 'create_index', 'delete_indices', 'delete_snapshots', 'forcemerge', 'index_settings', 'open', 'reindex', 'replicas', 'restore', 'rollover', 'shrink', 'snapshot']), msg="action must be one of ['alias', 'allocation', 'close', 'cluster_routing', 'create_index', 'delete_indices', 'delete_snapshots', 'forcemerge', 'index_settings', 'open', 'reindex', 'replicas', 'restore', 'rollover', 'shrink', 'snapshot']")}
2018-05-21 14:54:50,497 DEBUG curator.validators.SchemaCheck __init__:27 "action type" config: {'action': 'delete_indices', 'description': 'Delete indices older than 1 days (based on index name), for logstash- prefixed indices. Ignore the error if the filter does not result in an actionable list of indices (ignore_empty_list) and exit cleanly.', 'options': {'ignore_empty_list': True, 'timeout_override': None, 'continue_if_exception': False, 'disable_action': False}, 'filters': [{'filtertype': 'pattern', 'kind': 'prefix', 'value': 'logstash-', 'exclude': None}, {'filtertype': 'age', 'source': 'name', 'direction': 'older', 'timestring': '%Y.%m.%d', 'unit': 'days', 'unit_count': 1, 'exclude': None}]}
....