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scrape: Fix accept header, now for real (#11552)

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This reinstates the behavior of v2.39. The header got messed up in the
sparsehistogram when the change of the version in main was merged into
it (and the merge conflict had to be resolved).

I don't think the current state will actually break anyone, although
it is technically possible. I propose to merge this into the bugfix
branch in any case, but I think we can wait for other bugfixes before
cutting a v2.40.1. (Unless, of course, somebody reports an actual
breakage because of the header.)

Signed-off-by: beorn7 <beorn@grafana.com>
This commit is contained in:
Björn Rabenstein 2022-11-09 11:19:25 +01:00 committed by GitHub
parent 739494d81b
commit a61c4b266a
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1 changed files with 2 additions and 2 deletions
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4
scrape/scrape.go
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@ -773,8 +773,8 @@ type targetScraper struct {
var errBodySizeLimit = errors.New("body size limit exceeded")
const (
scrapeAcceptHeader = `application/openmetrics-text;version=1.0.0;q=0.75,application/openmetrics-text;q=0.6,text/plain;version=0.0.4;q=0.5,*/*;q=0.1`
scrapeAcceptHeaderWithProtobuf = `application/vnd.google.protobuf; proto=io.prometheus.client.MetricFamily; encoding=delimited,application/openmetrics-text;version=1.0.0;q=0.75,application/openmetrics-text;q=0.6,text/plain;version=0.0.4;q=0.5,*/*;q=0.1`
scrapeAcceptHeader = `application/openmetrics-text;version=1.0.0,application/openmetrics-text;version=0.0.1;q=0.75,text/plain;version=0.0.4;q=0.5,*/*;q=0.1`
scrapeAcceptHeaderWithProtobuf = `application/vnd.google.protobuf;proto=io.prometheus.client.MetricFamily;encoding=delimited,application/openmetrics-text;version=1.0.0;q=0.8,application/openmetrics-text;version=0.0.1;q=0.75,text/plain;version=0.0.4;q=0.5,*/*;q=0.1`
)
var UserAgent = fmt.Sprintf("Prometheus/%s", version.Version)