Curious. I tested the package on a CentOS 7 machine, and it works for me:
[buh@centos7-pkg-test curator_packages]$ cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
[buh@centos7-pkg-test curator_packages]$ curator --version
curator, version 5.4.1
[buh@centos7-pkg-test curator_packages]$ curator --dry-run --config curator.yml open-test.yml
2017-12-11 11:28:58,105 INFO Preparing Action ID: 1, "open"
2017-12-11 11:28:58,109 INFO Trying Action ID: 1, "open": open all indices older than 1 day should only use with --dry-run as test for output
2017-12-11 11:28:58,394 INFO DRY-RUN MODE. No changes will be made.
2017-12-11 11:28:58,394 INFO (CLOSED) indices may be shown that may not be acted on by action "open".
2017-12-11 11:28:58,394 INFO DRY-RUN: open: .kibana with arguments: {}
2017-12-11 11:28:58,394 INFO DRY-RUN: open: .ml-anomalies-shared with arguments: {}
2017-12-11 11:28:58,394 INFO DRY-RUN: open: .ml-notifications with arguments: {}
... Lots more indices here ...
2017-12-11 11:28:58,397 INFO Action ID: 1, "open" completed.
2017-12-11 11:28:58,397 INFO Job completed.
Eye-opener Trying to cut and paste curator.yml onto this board, I've realized there was a spurious non ASCII character at the beginning of the 1st line.
No clue why but the problem is solved anyway.
Thanks again.
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