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reverseproxy: Add placeholder for networkAddr in active health check headers (#6450)

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Co-authored-by: Francis Lavoie <lavofr@gmail.com>
This commit is contained in:
schultzie 2024-07-09 11:08:25 -07:00 committed by GitHub
parent 630c62b313
commit 4943a4fc52
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GPG key ID: B5690EEEBB952194
1 changed files with 3 additions and 3 deletions
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6
modules/caddyhttp/reverseproxy/healthchecks.go
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@ -312,7 +312,7 @@ func (h *Handler) doActiveHealthCheckForAllHosts() {
// so use a fake Host value instead; unix sockets are usually local
hostAddr = "localhost"
}
err = h.doActiveHealthCheck(DialInfo{Network: addr.Network, Address: dialAddr}, hostAddr, upstream)
err = h.doActiveHealthCheck(DialInfo{Network: addr.Network, Address: dialAddr}, hostAddr, networkAddr, upstream)
if err != nil {
h.HealthChecks.Active.logger.Error("active health check failed",
zap.String("address", hostAddr),
@ -330,7 +330,7 @@ func (h *Handler) doActiveHealthCheckForAllHosts() {
// according to whether it passes the health check. An error is
// returned only if the health check fails to occur or if marking
// the host's health status fails.
func (h *Handler) doActiveHealthCheck(dialInfo DialInfo, hostAddr string, upstream *Upstream) error {
func (h *Handler) doActiveHealthCheck(dialInfo DialInfo, hostAddr string, networkAddr string, upstream *Upstream) error {
// create the URL for the request that acts as a health check
u := &url.URL{
Scheme: "http",
@ -386,7 +386,7 @@ func (h *Handler) doActiveHealthCheck(dialInfo DialInfo, hostAddr string, upstre
// set headers, using a replacer with only globals (env vars, system info, etc.)
repl := caddy.NewReplacer()
repl.Set("http.reverse_proxy.active.target_host", hostAddr)
repl.Set("http.reverse_proxy.active.target_upstream", networkAddr)
for key, vals := range h.HealthChecks.Active.Headers {
key = repl.ReplaceAll(key, "")
if key == "Host" {