Jay Modi 542a484031 security: cache negative lookups for native roles
This changes adds a special value for negative role lookups so that we can avoid scenarios
where we overload the cluster due to continually trying to load non-existing roles as is often
the case when `unmapped_groups_as_roles` is used with the active directory realm.

Relates elastic/elasticsearch#3530 

Original commit: elastic/x-pack-elasticsearch@62567b4c22
2016-10-25 16:00:27 -04:00
2016-10-19 15:21:38 +02:00
2016-10-18 21:46:30 -04:00
2015-10-30 11:16:29 -06:00
2016-10-01 09:46:43 +02:00
2015-11-25 10:39:08 -05:00
2018-04-20 14:16:58 -07:00
2016-05-09 14:05:19 +02:00

= Elasticsearch X Plugins

A set of Elastic's commercial plugins:

- License
- Security
- Watcher
- Monitoring

= Setup
You must checkout x-plugins and elasticsearch in the same directory as siblings. This
elasticsearch checkout will be used when building x-plugins.

= Build

- Run unit tests:
+
[source, txt]
-----
gradle clean test
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- Run all tests:
+
[source, txt]
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gradle clean check
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- Run integration tests:
+
[source, txt]
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gradle clean integTest
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- Package X-Pack (wihtout running tests)
+
[source, txt]
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gradle clean assemble
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- Install X-Pack (wihtout running tests)
+
[source, txt]
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gradle clean install
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- If you don't work on the UI side of x-plugins, you can force gradle to skip building kibana by adding
  `xpack.kibana.build=false` to your `~/.gradle/gradle.properties`. Alternatively you add `-Pxpack.kibana.build=false`
  on the command line if you only want to do this on individual builds (or `-Pxpack.kibana.build=true` if you need to
  override having added this to your `gradle.properties`).
Description
🔎 Open source distributed and RESTful search engine.
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