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Prometheus: Small improvements to the custom client (#51709)

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* Add suggestions

* Fix tests
This commit is contained in:
Andrej Ocenas
2022-07-04 22:55:07 +02:00
committed by GitHub
parent 9797744c10
commit bf334ab777
3 changed files with 19 additions and 6 deletions
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pkg/tsdb/prometheus/client/client.go
+5 -2
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@@ -138,10 +138,13 @@ func createRequest(ctx context.Context, method string, u *url.URL, body []byte,
if header != nil {
request.Header = header
}
// This may not be true but right now we don't have more information here and seems like we send just this type
// of encoding right now if it is a POST
if strings.ToUpper(method) == http.MethodPost {
// This may not be true but right now we don't have more information here and seems like we send just this type
// of encoding right now if it is a POST
request.Header.Set("Content-Type", "application/x-www-form-urlencoded")
// This allows transport to retry request. See https://github.com/prometheus/client_golang/pull/1022
// It's set to nil so it is not actually sent over the wire, just used in Go http lib to retry requests.
request.Header["Idempotency-Key"] = nil
}
return request, nil
}