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Fix segfault when using --prometheus-token-file

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This commit is contained in:
Olivier Lemasle 2022-11-07 00:03:55 +01:00
parent 268b2a8ec2
commit e740fee947
1 changed files with 5 additions and 1 deletions
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6
cmd/adapter/adapter.go
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@ -119,7 +119,11 @@ func (cmd *PrometheusAdapter) makePromClient() (prom.Client, error) {
if err != nil {
return nil, fmt.Errorf("failed to read prometheus-token-file: %v", err)
}
httpClient.Transport = transport.NewBearerAuthRoundTripper(string(data), httpClient.Transport)
wrappedTransport := http.DefaultTransport
if httpClient.Transport != nil {
wrappedTransport = httpClient.Transport
}
httpClient.Transport = transport.NewBearerAuthRoundTripper(string(data), wrappedTransport)
}
genericPromClient := prom.NewGenericAPIClient(httpClient, baseURL, parseHeaderArgs(cmd.PrometheusHeaders))
instrumentedGenericPromClient := mprom.InstrumentGenericAPIClient(genericPromClient, baseURL.String())