Not sure what's going on yet, but closed indices are not recognized by the 1.0 API calls and so are not deleted. This behavior did not apparently exist with the 0.4.4 API calls for ES versions < 1.0
$ ls -1 | grep logstash
logstash-2014.02.13
logstash-2014.02.15
logstash-2014.02.16
logstash-2014.02.17
logstash-2014.02.18
logstash-2014.02.19
logstash-2014.02.20
logstash-2014.02.21
logstash-2014.02.22
$ curator --host blackbox -D -d 6
2014-02-22T13:54:49.193 INFO main:333 Job starting...
2014-02-22T13:54:49.194 INFO _new_conn:257 Starting new HTTP connection (1): blackbox
2014-02-22T13:54:49.195 DEBUG _make_request:374 Setting read timeout to 30
2014-02-22T13:54:49.197 DEBUG _make_request:414 "GET / HTTP/1.1" 200 297
2014-02-22T13:54:49.198 INFO log_request_success:49 GET http://blackbox:9200/ [status:200 request:0.004s]
2014-02-22T13:54:49.198 DEBUG log_request_success:51 > None
2014-02-22T13:54:49.198 DEBUG log_request_success:52 < {
"status" : 200,
"name" : "Blackbox",
"version" : {
"number" : "1.0.0",
"build_hash" : "a46900e9c72c0a623d71b54016357d5f94c8ea32",
"build_timestamp" : "2014-02-12T16:18:34Z",
"build_snapshot" : false,
"lucene_version" : "4.6"
},
"tagline" : "You Know, for Search"
}
2014-02-22T13:54:49.198 DEBUG main:346 Detected Elasticsearch version 1.0.0
2014-02-22T13:54:49.198 INFO main:359 Deleting indices older than 6 days...
2014-02-22T13:54:49.199 DEBUG _make_request:374 Setting read timeout to 30
2014-02-22T13:54:49.202 DEBUG _make_request:414 "GET /logstash-*/_settings HTTP/1.1" 200 1543
2014-02-22T13:54:49.202 INFO log_request_success:49 GET http://blackbox:9200/logstash-*/_settings [status:200 request:0.003s]
2014-02-22T13:54:49.202 DEBUG log_request_success:51 > None
2014-02-22T13:54:49.202 DEBUG log_request_success:52 < {"logstash-2014.02.21":{"settings":{"index":{"uuid":"GMamNSN-TmKodXvgYkktmg","number_of_replicas":"1","number_of_shards":"5","refresh_interval":"5s","version":{"created":"1000099"}}}},"logstash-2014.02.18":{"settings":{"index":{"codec":{"bloom":{"load":"false"}},"uuid":"s9V9b2tIRxyanZJ4s0P5vQ","number_of_replicas":"1","analysis":{"analyzer":{"default":{"type":"standard","stopwords":"_none_"}}},"number_of_shards":"5","refresh_interval":"5s","version":{"created":"901199"}}}},"logstash-2014.02.19":{"settings":{"index":{"codec":{"bloom":{"load":"false"}},"uuid":"2k3v2gl2RROXYcD3vcMslQ","number_of_replicas":"1","analysis":{"analyzer":{"default":{"type":"standard","stopwords":"_none_"}}},"number_of_shards":"5","refresh_interval":"5s","version":{"created":"901199"}}}},"logstash-2014.02.20":{"settings":{"index":{"codec":{"bloom":{"load":"false"}},"uuid":"E6IlpHOqQauIbKMC0QjqEQ","number_of_replicas":"1","analysis":{"analyzer":{"default":{"type":"standard","stopwords":"_none_"}}},"number_of_shards":"5","refresh_interval":"5s","version":{"created":"901199"}}}},"logstash-2014.02.17":{"settings":{"index":{"codec":{"bloom":{"load":"false"}},"uuid":"eaWwVnnuQ-eoWoyu5Dyl4Q","number_of_replicas":"1","analysis":{"analyzer":{"default":{"type":"standard","stopwords":"_none_"}}},"number_of_shards":"5","refresh_interval":"5s","version":{"created":"901199"}}}},"logstash-2014.02.22":{"settings":{"index":{"uuid":"JU64q1s0TaWkO1hFsOaqkA","number_of_replicas":"1","number_of_shards":"5","refresh_interval":"5s","version":{"created":"1000099"}}}}}
2014-02-22T13:54:49.205 INFO find_expired_indices:209 logstash-2014.02.17 is 1 day, 0:00:00 above the cutoff.
2014-02-22T13:54:49.206 INFO find_expired_indices:209 logstash-2014.02.18 is 2 days, 0:00:00 above the cutoff.
2014-02-22T13:54:49.206 INFO find_expired_indices:209 logstash-2014.02.19 is 3 days, 0:00:00 above the cutoff.
2014-02-22T13:54:49.206 INFO find_expired_indices:209 logstash-2014.02.20 is 4 days, 0:00:00 above the cutoff.
2014-02-22T13:54:49.206 INFO find_expired_indices:209 logstash-2014.02.21 is 5 days, 0:00:00 above the cutoff.
2014-02-22T13:54:49.206 INFO find_expired_indices:209 logstash-2014.02.22 is 6 days, 0:00:00 above the cutoff.
2014-02-22T13:54:49.206 INFO index_loop:309 DELETE index operations completed.
2014-02-22T13:54:49.206 INFO main:379 Done in 0:00:00.015639.
As you can see, it clearly does not see the closed indices. We will need to correct something to fix this before officially releasing curator 1.0