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README: improve documentation of local hooks

Add a paragraph about hook config files.
This commit is contained in:
Markus Lehtonen 2019-01-18 13:23:23 +02:00
parent e8249e6fa3
commit 2c5145aa06

View file

@ -241,6 +241,12 @@ feature.node.kubernetes.io/override_source-OVERRIDE_BOOL=true
feature.node.kubernetes.io/override_source-OVERRIDE_VALUE=123
```
NFD tries to run any regular files found from the hooks directory. Any
additional data files your hook might need (e.g. a configuration file) should
be placed in a separate directory in order to avoid NFD unnecessarily trying to
execute these. You can use a subdirectory under the hooks directory, for
example `/etc/kubernetes/node-feature-discovery/source.d/conf/`.
**NOTE!** NFD will blindly run any executables placed/mounted in the hooks
directory. It is the user's responsibility to review the hooks for e.g.
possible security implications.