add doc changes for 0.7.0

Signed-off-by: JENNIFER RONDEAU <jrondeau@heptio.com>
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JENNIFER RONDEAU
2018-02-15 13:25:18 -05:00
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# Extend Ark
Ark includes mechanisms for extending the core functionality to meet your individual backup/restore needs:
* [Hooks][27] allow you to specify commands to be executed within running pods during a backup. This is useful if you need to run a workload-specific command prior to taking a backup (for example, to flush disk buffers or to freeze a database).
* [Plugins][28] allow you to develop custom object/block storage back-ends or per-item backup/restore actions that can execute arbitrary logic, including modifying the items being backed up/restored. Plugins can be used by Ark without needing to be compiled into the core Ark binary.
[27]: /hooks.md
[28]: /plugins.md