Andrzej Bialecki created SOLR-14977:
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Summary: Container plugins need a way to be configured
Key: SOLR-14977
URL: https://issues.apache.org/jira/browse/SOLR-14977
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Components: Plugin system
Reporter: Andrzej Bialecki
Container plugins are defined in {{/clusterprops.json:/plugin}} using a simple
{{PluginMeta}} bean. This is sufficient for implementations that don't need any
configuration except for the {{pathPrefix}} but insufficient for anything else
that needs more configuration parameters.
An example would be a {{CollectionsRepairEventListener}} plugin proposed in
PR-1962, which needs parameters such as the list of collections, {{waitFor}},
maximum operations allowed, etc. to properly function.
This issue proposes to extend the {{PluginMeta}} bean to allow a {{Map<String,
Object>}} configuration parameters.
There is an interface that we could potentially use ({{MapInitializedPlugin}}
but it works only with {{String}} values. This is not optimal because it
requires additional type-safety validation from the consumers. The existing
{{PluginInfo}} / {{PluginInfoInitialized}} interface is too complex for this
purpose.
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