singhpk234 commented on code in PR #17332:
URL: https://github.com/apache/iceberg/pull/17332#discussion_r3992567118
##########
open-api/rest-catalog-open-api.yaml:
##########
@@ -1429,6 +1429,67 @@ paths:
5XX:
$ref: '#/components/responses/ServerErrorResponse'
+ /v1/{prefix}/namespaces/{namespace}/tables/{table}/presign:
+ parameters:
+ - $ref: '#/components/parameters/prefix'
+ - $ref: '#/components/parameters/namespace'
+ - $ref: '#/components/parameters/table'
+
+ post:
+ tags:
+ - Catalog API
+ summary: Refreshes pre-signed URLs for files from a completed scan
planning result
+ description: >
+ Refreshes pre-signed URLs for a set of files that were returned as
part of a
+ previous server-side scan planning result, identified by its plan-id.
+
+
+ This endpoint is intended for lightweight, proactive renewal of
expiring URLs
+ (for example by a background caching daemon) and does not re-evaluate
the
+ table's manifests or any pushed-down filters. It is only available
when the
+ pre-signed-urls access delegation mechanism has been negotiated with
the
+ planTableScan endpoint via the X-Iceberg-Access-Delegation header.
Review Comment:
> Scan/plan doesn't require a new endpoint though, since the pre-signed urls
are being sent back directly
This is for refresh scenario, though, for example spark's drive planned the
splits and got the presigned urls back and distributed the files to the
executors before the executors actually starts processing the files the url
expires we would want to reach out to server to get this refreshed !
Also sending the plan id would help in audit etc as well ... optional for
sure !
regarding endpoint, will update this to /sign endpoint as we discussed in
the community sync !
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