PRW2: return 415 when prw2 is disabled #7238
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Signed-off-by: SungJin1212 <tjdwls1201@gmail.com>
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yeya24
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Jan 31, 2026
| * [FEATURE] Distributor: Add a per-tenant flag `-distributor.enable-type-and-unit-labels` that enables adding `__unit__` and `__type__` labels for remote write v2 and OTLP requests. This is a breaking change; the `-distributor.otlp.enable-type-and-unit-labels` flag is now deprecated, operates as a no-op, and has been consolidated into this new flag. #7077 | ||
| * [FEATURE] Querier: Add experimental projection pushdown support in Parquet Queryable. #7152 | ||
| * [FEATURE] Ingester: Add experimental active series queried metric. #7173 | ||
| * [ENHANCEMENT] Distributor: If remote write v2 is disabled, explicitly return HTTP 415 (Unsupported Media Type) for Remote Write V2 requests instead of attempting to parse them as V1. #7238 |
| handlePRW1() | ||
| case remote.WriteV2MessageType: | ||
| if !remoteWrite2Enabled { | ||
| http.Error(w, "Remote Write V2 is disabled", http.StatusUnsupportedMediaType) |
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Can we have a better error message? Remote write v2 disabled seems not a good message and expose server side details.
https://github.com/prometheus/client_golang/blob/main/exp/api/remote/remote_api.go#L593
Can we follow similar error message here
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This PR changes push handler behavior.
If remote write v2 is disabled, explicitly return HTTP 415 (Unsupported Media Type) for Remote Write V2 requests instead of attempting to parse them as V1.
Which issue(s) this PR fixes:
Fixes #
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]