Fixes a panic in the query-tee. #4465
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This was happening because of a race. I've change the test suite to cover the code and the race detector shows it up. The panic: ``` panic: runtime error: index out of range [1] with length 1 goroutine 26118 [running]: github.com/cortexproject/cortex/tools/querytee.(*ProxyEndpoint).executeBackendRequests(0xc0003160c0, 0xc0002c2600, 0xc0004c44e0) /__w/cortex/cortex/tools/querytee/proxy_endpoint.go:122 +0x5a5 created by github.com/cortexproject/cortex/tools/querytee.(*ProxyEndpoint).ServeHTTP /__w/cortex/cortex/tools/querytee/proxy_endpoint.go:57 +0x25b ``` Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
alvinlin123
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Sep 7, 2021
alvinlin123
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Jan 14, 2022
* Fixes a panic in the query-tee. This was happening because of a race. I've change the test suite to cover the code and the race detector shows it up. The panic: ``` panic: runtime error: index out of range [1] with length 1 goroutine 26118 [running]: github.com/cortexproject/cortex/tools/querytee.(*ProxyEndpoint).executeBackendRequests(0xc0003160c0, 0xc0002c2600, 0xc0004c44e0) /__w/cortex/cortex/tools/querytee/proxy_endpoint.go:122 +0x5a5 created by github.com/cortexproject/cortex/tools/querytee.(*ProxyEndpoint).ServeHTTP /__w/cortex/cortex/tools/querytee/proxy_endpoint.go:57 +0x25b ``` Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com> * update changelog. Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com> Signed-off-by: Alvin Lin <alvinlin@amazon.com>
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This was happening because of a race.
I've change the test suite to cover the code and the race detector shows it up.
The panic:
Signed-off-by: Cyril Tovena cyril.tovena@gmail.com