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app/vmauth: use more clear names for the field and function added at e666d64f1d

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- Rename overrideHostHeader() function to hasEmptyHostHeader()
- Rename overrideHostHeader field at UserInfo to useBackendHostHeader

This should simplify the future maintenance of the code

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6525
This commit is contained in:
Aliaksandr Valialkin 2024-07-16 19:08:35 +02:00
parent ad6af95183
commit 277aad18d8
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GPG key ID: 52C003EE2BCDB9EB
2 changed files with 7 additions and 5 deletions
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10
app/vmauth/auth_config.go
View file

@ -83,7 +83,9 @@ type UserInfo struct {
concurrencyLimitCh chan struct{}
concurrencyLimitReached *metrics.Counter
overrideHostHeader bool
// Whether to use backend host header in requests to backend.
useBackendHostHeader bool
rt http.RoundTripper
@ -150,7 +152,7 @@ func (h *Header) MarshalYAML() (any, error) {
return h.sOriginal, nil
}
func overrideHostHeader(headers []*Header) bool {
func hasEmptyHostHeader(headers []*Header) bool {
for _, h := range headers {
if h.Name == "Host" && h.Value == "" {
return true
@ -741,7 +743,7 @@ func parseAuthConfig(data []byte) (*AuthConfig, error) {
if err := ui.initURLs(); err != nil {
return nil, err
}
ui.overrideHostHeader = overrideHostHeader(ui.HeadersConf.RequestHeaders)
ui.useBackendHostHeader = hasEmptyHostHeader(ui.HeadersConf.RequestHeaders)
metricLabels, err := ui.getMetricLabels()
if err != nil {
@ -806,7 +808,7 @@ func parseAuthConfigUsers(ac *AuthConfig) (map[string]*UserInfo, error) {
_ = ac.ms.GetOrCreateGauge(`vmauth_user_concurrent_requests_current`+metricLabels, func() float64 {
return float64(len(ui.concurrencyLimitCh))
})
ui.overrideHostHeader = overrideHostHeader(ui.HeadersConf.RequestHeaders)
ui.useBackendHostHeader = hasEmptyHostHeader(ui.HeadersConf.RequestHeaders)
rt, err := newRoundTripper(ui.TLSCAFile, ui.TLSCertFile, ui.TLSKeyFile, ui.TLSServerName, ui.TLSInsecureSkipVerify)
if err != nil {

2
app/vmauth/main.go
View file

@ -235,7 +235,7 @@ func tryProcessingRequest(w http.ResponseWriter, r *http.Request, targetURL *url
req := sanitizeRequestHeaders(r)
req.URL = targetURL
if req.URL.Scheme == "https" || ui.overrideHostHeader {
if req.URL.Scheme == "https" || ui.useBackendHostHeader {
// Override req.Host only for https requests, since https server verifies hostnames during TLS handshake,
// so it expects the targetURL.Host in the request.
// There is no need in overriding the req.Host for http requests, since it is expected that backend server