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https://issues.apache.org/jira/browse/METRON-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159398#comment-16159398
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ASF GitHub Bot commented on METRON-1167:
----------------------------------------
Github user nickwallen commented on the issue:
https://github.com/apache/metron/pull/740
And in terms of the complex types I can see the use case definitely. In
terms of the REPL and the changes in this PR, a `%define` does the same as when
GLOBAL_CONFIG gets created with a `-z` for complex types. In either case, the
complex type gets loaded as a string.
For example, I launched Full Dev and created a GLOBAL_CONFIG that
looks-like this.
```
{
...
"foo": "{'bar' : 'blah'}"
}
```
I then launched the REPL in a debug session with a -z. The value for the
key "foo" is a string.
> Define Session Specific Global Configuration Values in the REPL
> ---------------------------------------------------------------
>
> Key: METRON-1167
> URL: https://issues.apache.org/jira/browse/METRON-1167
> Project: Metron
> Issue Type: Improvement
> Affects Versions: 0.4.0
> Reporter: Nick Allen
> Assignee: Nick Allen
>
> Many Stellar functions accept configuration values from the Global
> configuration. When using the REPL you can load the global configuration
> values by launching the REPL with the -z option, which loads the global
> configuration stored in Zookeeper.
> The only way to modify the global configuration within the REPL currently is
> to do the following steps.
> 1. Retrieve the global configuration with conf := CONFIG_GET("global")
> 2. Alter that global configuration by modifying the JSON contained in the
> `conf` variable.
> 3. Push the new global configuration using CONFIG_PUT("global", conf)
> 4. Close and then reopen the REPL. Without restarting the REPL the new
> global configuration is not loaded.
> I want a way to do this directly in the REPL, without restarting it, and also
> in a way that does not modify the persisted global configuration in
> Zookeeper. I may be monkeying with something the REPL, but I don't want to
> break one of my live Metron topologies.
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