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emcfarlane
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| } | ||
| cc.responseTrailer[strings.TrimPrefix(k, connectUnaryTrailerPrefix)] = v | ||
| } | ||
| err := connectValidateUnaryResponseContentType( |
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Could this be moved into the validate response function?
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It is. Do you mean inlined? I had made it a separate function to make it easier to test.
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Sorry misread, thought the method on the duplexcall was due to it not being part of this function, but thats for the request params.
emcfarlane
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Feb 7, 2024
akshayjshah
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Feb 8, 2024
| response.Status, | ||
| getHeaderCanonical(response.Header, headerContentType), | ||
| ) | ||
| if err != nil { |
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Can we scope err to the if block? It's visually a little ugly, but the functions in this portion of the code are long enough that I'd love to minimize scope where possible. Same below.
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I had not done so just because I find it a bit hard to read when the if keyword is far from the actual condition. But if that's accepted style, and even preferred in this case, I'll change it.
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This also formats the grpc version of the check so it is consistent with the other two. Addresses comment in prior PR: #679 (comment)
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simonswine
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The query-frontend accidentally leaked content-type and content-encoding information from the underlying connectgrpc implementation, which is used to schedule queries on to the workers (queriers). This will filter those out, so they won't be passed on through the frontend. This could be observed by errors like this: ``` $ profilecli query series level=info msg="query series from querier" url=http://localhost:8080 from=2024-06-18T15:46:19.932471+01:00 to=2024-06-18T16:46:19.932472+01:00 labelNames=[] error: failed to query: unknown: invalid content-type: "application/grpc,application/proto"; expecting "application/grpc" exit status 1 ``` Which themselves were produced only because envoy (involved on our GC ingress), converted headers from this: ``` content-type: application/grpc content-type: application/proto ``` to ``` content-type: application/grpc,application/proto ``` This then triggered a validation recently added to connect-go: connectrpc/connect-go#679
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The query-frontend accidentally leaked content-type and content-encoding information from the underlying connectgrpc implementation, which is used to schedule queries on to the workers (queriers). This will filter those out, so they won't be passed on through the frontend. This could be observed by errors like this: ``` $ profilecli query series level=info msg="query series from querier" url=http://localhost:8080 from=2024-06-18T15:46:19.932471+01:00 to=2024-06-18T16:46:19.932472+01:00 labelNames=[] error: failed to query: unknown: invalid content-type: "application/grpc,application/proto"; expecting "application/grpc" exit status 1 ``` Which themselves were produced only because envoy (involved on our GC ingress), converted headers from this: ``` content-type: application/grpc content-type: application/proto ``` to ``` content-type: application/grpc,application/proto ``` This then triggered a validation recently added to connect-go: connectrpc/connect-go#679
simonswine
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The query-frontend accidentally leaked content-type and content-encoding information from the underlying connectgrpc implementation, which is used to schedule queries on to the workers (queriers). This will filter those out, so they won't be passed on through the frontend. This could be observed by errors like this: ``` $ profilecli query series level=info msg="query series from querier" url=http://localhost:8080 from=2024-06-18T15:46:19.932471+01:00 to=2024-06-18T16:46:19.932472+01:00 labelNames=[] error: failed to query: unknown: invalid content-type: "application/grpc,application/proto"; expecting "application/grpc" exit status 1 ``` Which themselves were produced only because envoy (involved on our GC ingress), converted headers from this: ``` content-type: application/grpc content-type: application/proto ``` to ``` content-type: application/grpc,application/proto ``` This then triggered a validation recently added to connect-go: connectrpc/connect-go#679
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@smaye81 found some more bugs with new conformance test cases.
The client is not verifying that the response has the correct content-type. So this change adds that verification.
Some tests, that had simple handlers that weren't setting a valid content-type, had to be updated. Sorry for the large diff stats, but it's not as bad as it looks. This PR adds three new table-driven tests that account for 75% of the lines of code.