HDDS-13921. Conditional Copy (CopyObject)

[YutaLin]

What changes were proposed in this pull request?

support CopyObject conditions include

• x-amz-copy-source-if-match: - Copy only if source ETag matches
• x-amz-copy-source-if-none-match: - Copy only if source ETag doesn't match
• x-amz-copy-source-if-modified-since: - Copy only if source modified after
• x-amz-copy-source-if-unmodified-since: - Copy only if source not modified since
• If-None-Match, If-Match

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-13921

How was this patch tested?

add conditional copy object test and run action ci (https://github.com/YutaLin/ozone/actions/runs/25467526822)

[YutaLin]

Hi @ivandika3, @peterxcli
Could you help me review it? appreciate!

[peterxcli]

LGTM. Could you also add s3 sdk v1/v2 test?

[YutaLin]

Hi @peterxcli, thanks for the review!
I've added S3SDKV1/V2 tests.

[peterxcli]

@YutaLin I think this patch only handle the read side condition check, but we also need dest side:

Destination Object Conditions (AWS Release 2.37.0):

If-None-Match: "*" - Copy only if destination does NOT exist Prevents unintended overwrites of destination object
Error Codes: 412 Precondition Failed - When any condition is not met

[peterxcli]

could you try to reuse the evaluateReadPreconditions?

[YutaLin]

@YutaLin I think this patch only handle the read side condition check, but we also need dest side:

Destination Object Conditions (AWS Release 2.37.0):
If-None-Match: "*" - Copy only if destination does NOT exist Prevents unintended overwrites of destination object
Error Codes: 412 Precondition Failed - When any condition is not met

Hi @peterxcli, the conditional read side check is
ObjectEndPoint #copyObject -> writeConditions is passed to the #copy-> #openKeyForPut is called with writeConditions -> #openKeyForPut applies If-None-Match, If-Match

Let me know if I miss anything, thanks!