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https://issues.apache.org/jira/browse/CASSSIDECAR-429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paulo Motta updated CASSSIDECAR-429:
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Summary: Add RFC 6902-inspired JSON Patch support to ConfigurationManager
(was: Implement basic configuration update in ConfigurationManager)
> Add RFC 6902-inspired JSON Patch support to ConfigurationManager
> ----------------------------------------------------------------
>
> Key: CASSSIDECAR-429
> URL: https://issues.apache.org/jira/browse/CASSSIDECAR-429
> Project: Sidecar for Apache Cassandra
> Issue Type: Task
> Components: Configuration
> Reporter: Paulo Motta
> Assignee: Paulo Motta
> Priority: Major
>
> Implement patch operations for the Configuration Manager using RFC
> 6902-inspired semantics: paths reference the effective configuration
> structure but mutations target the overlay. Supported operations: add,
> remove, replace, test. No move/copy.
> Key behaviors:
> - Paths use JSON Pointer syntax for both top-level and nested cassandraYaml
> keys
> - Nested path mutations copy the entire top-level key from the effective
> config into the overlay (copy-siblings strategy), ensuring the overlay is
> self-contained at top-level key granularity
> - test operations assert against the effective config without mutating
> - replace fails if the path is absent from effective config (typo protection)
> - remove fails if the path only exists in the base template (not in overlay)
> - All operations are validated atomically before any mutations are applied
> - JVM option key format and conflicting boolean option validation
> Version-aware schema validation, immutable settings blocklist, and failure
> policy handling will be added in follow-up tasks.
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