Github user ctubbsii commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/160#discussion_r85225730
--- Diff: core/src/main/java/org/apache/accumulo/core/Constants.java ---
@@ -126,7 +126,8 @@
public static final String EXPORT_INFO_FILE = "accumulo_export_info.txt";
// Variables that will be substituted with environment vars in
PropertyType.PATH values
- public static final Collection<String> PATH_PROPERTY_ENV_VARS =
Collections.unmodifiableCollection(Arrays.asList("ACCUMULO_HOME",
"ACCUMULO_CONF_DIR"));
+ public static final Collection<String> PATH_PROPERTY_ENV_VARS =
Collections.unmodifiableCollection(Arrays.asList("ACCUMULO_BIN_DIR",
"ACCUMULO_LIB_DIR",
--- End diff --
I don't think it's necessary to enshrine new properties to be interpolated
in the code. I think we need to move away from this. We can preserve what's
there, but it'd be better to put people on a path away from using environment
variables interpolated in code.
When we bootstrap the config, we can substitute the properties, so we don't
have to interpolate them in code ourselves (though, interpolation may be a
future option from a better configuration library).
We can retain the existing interpolations of ACCUMULO_HOME and
ACCUMULO_CONF_DIR, but maybe with warnings.
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