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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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Description:
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.
was:
Implement the PATCH configuration flow in the Configuration Manager as defined
in CEP-62. The manager should acquire a per-instance exclusive lock, validate
the expectedHash against the current effective configuration hash, apply JSON
Patch operations to compute the updated overlay, persist it via the
ConfigurationProvider, and return the new effective configuration with updated
hash and timestamp.
Version-aware schema validation, immutable settings blocklist, and failure
policy handling will be added in follow-up tasks.
> Implement basic configuration update in 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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