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Add remote-write headers (#2701)

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Co-authored-by: Wataru Manji <wataru.manji@linecorp.com>
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Wataru Manji 2022-06-13 15:59:03 +09:00 committed by Aliaksandr Valialkin
parent 8128c6db6b
commit 0cd750fa5e
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2 changed files with 15 additions and 0 deletions
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5
app/vmalert/remotewrite/remotewrite.go
View file

@ -237,7 +237,12 @@ func (c *Client) send(ctx context.Context, data []byte) error {
return fmt.Errorf("failed to create new HTTP request: %w", err)
}
// RFC standard compliant headers
req.Header.Set("Content-Encoding", "snappy")
req.Header.Set("Content-Type", "application/x-protobuf")
// Prometheus compliant headers
req.Header.Set("X-Prometheus-Remote-Write-Version", "0.1.0")
if c.authCfg != nil {
if auth := c.authCfg.GetAuthHeader(); auth != "" {

10
app/vmalert/remotewrite/remotewrite_test.go
View file

@ -86,6 +86,16 @@ func (rw *rwServer) handler(w http.ResponseWriter, r *http.Request) {
rw.err(w, fmt.Errorf("header read error: Content-Encoding is not snappy (%q)", h))
}
h = r.Header.Get("Content-Type")
if h != "application/x-protobuf" {
rw.err(w, fmt.Errorf("header read error: Content-Type is not x-protobuf (%q)", h))
}
h = r.Header.Get("X-Prometheus-Remote-Write-Version")
if h != "0.1.0" {
rw.err(w, fmt.Errorf("header read error: X-Prometheus-Remote-Write-Version is not 0.1.0 (%q)", h))
}
data, err := ioutil.ReadAll(r.Body)
if err != nil {
rw.err(w, fmt.Errorf("body read err: %w", err))