Sudipta Laha created CASSSIDECAR-342:
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Summary: Sidecar endpoint for draining a node
Key: CASSSIDECAR-342
URL: https://issues.apache.org/jira/browse/CASSSIDECAR-342
Project: Sidecar for Apache Cassandra
Issue Type: New Feature
Reporter: Sudipta Laha
This proposal is part of an effort to introduce bespoke Sidecar APIs to support
key operational functionality currently managed through nodetool commands.
Introducing these APIs offers several benefits:
* Strong Contract Definition: APIs provide a well-defined contract for both
request and response structures, reducing errors in operational tooling by
eliminating the need to parse command results.
* Error Handling: A clear response contract allows for meaningful error
messages to be communicated to clients, without exposing internal
implementation details.
* Input Validation: APIs can incorporate input validation to enhance security
by protecting against command injection attacks.
* Version Compatibility: By exposing a standardized interface, APIs ensure
compatibility across different Cassandra versions, through the sidecar’s
abstraction.
* Access Control: APIs enable fine-grained access control, leveraging
permissions and roles associated with client identities for precise
authorization.
This specific task introduces an endpoint that drains a Cassandra node,
equivalent to the "nodetool drain" command functionality.
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