Juan Badia Payno f4731f7a6d Fix CentOS 7 fluentd image
Use specific gem version for the plugins:
 - fluent-plugin-rewrite-tag-filter
 - fluent-plugin-elasticsearch

Change-Id: Icc5b8972e7eca01767cdc9321ee82d1fcde187d8
Closes-Bug: 1730346
2017-11-06 11:30:43 +01:00
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2017-11-06 11:30:43 +01:00