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reverse_proxy: Configurable request headers on active health checks

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See https://caddy.community/t/health-check-user-agent/6309
This commit is contained in:
Matthew Holt 2019-10-04 17:21:38 -06:00
parent c11e3bffd6
commit 44cb804b9e
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1 changed files with 4 additions and 0 deletions
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4
modules/caddyhttp/reverseproxy/healthchecks.go
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@ -43,6 +43,7 @@ type HealthChecks struct {
type ActiveHealthChecks struct { type ActiveHealthChecks struct {
Path string `json:"path,omitempty"` Path string `json:"path,omitempty"`
Port int `json:"port,omitempty"` Port int `json:"port,omitempty"`
Headers http.Header `json:"headers,omitempty"`
Interval caddy.Duration `json:"interval,omitempty"` Interval caddy.Duration `json:"interval,omitempty"`
Timeout caddy.Duration `json:"timeout,omitempty"` Timeout caddy.Duration `json:"timeout,omitempty"`
MaxSize int64 `json:"max_size,omitempty"` MaxSize int64 `json:"max_size,omitempty"`
@ -163,6 +164,9 @@ func (h *Handler) doActiveHealthCheck(dialInfo DialInfo, hostAddr string, host H
if err != nil { if err != nil {
return fmt.Errorf("making request: %v", err) return fmt.Errorf("making request: %v", err)
} }
for key, hdrs := range h.HealthChecks.Active.Headers {
req.Header[key] = hdrs
}
// do the request, being careful to tame the response body // do the request, being careful to tame the response body
resp, err := h.HealthChecks.Active.httpClient.Do(req) resp, err := h.HealthChecks.Active.httpClient.Do(req)