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-rw-r--r--modules/caddyhttp/reverseproxy/caddyfile.go2
-rw-r--r--modules/caddyhttp/reverseproxy/healthchecks.go14
2 files changed, 11 insertions, 5 deletions
diff --git a/modules/caddyhttp/reverseproxy/caddyfile.go b/modules/caddyhttp/reverseproxy/caddyfile.go
index 533a82e..95293f0 100644
--- a/modules/caddyhttp/reverseproxy/caddyfile.go
+++ b/modules/caddyhttp/reverseproxy/caddyfile.go
@@ -372,7 +372,7 @@ func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
if len(values) == 0 {
values = append(values, "")
}
- healthHeaders[key] = values
+ healthHeaders[key] = append(healthHeaders[key], values...)
}
if h.HealthChecks == nil {
h.HealthChecks = new(HealthChecks)
diff --git a/modules/caddyhttp/reverseproxy/healthchecks.go b/modules/caddyhttp/reverseproxy/healthchecks.go
index 1b4f2d0..ad21ccb 100644
--- a/modules/caddyhttp/reverseproxy/healthchecks.go
+++ b/modules/caddyhttp/reverseproxy/healthchecks.go
@@ -358,11 +358,17 @@ func (h *Handler) doActiveHealthCheck(dialInfo DialInfo, hostAddr string, upstre
}
ctx = context.WithValue(ctx, caddyhttp.OriginalRequestCtxKey, *req)
req = req.WithContext(ctx)
- for key, hdrs := range h.HealthChecks.Active.Headers {
+
+ // set headers, using a replacer with only globals (env vars, system info, etc.)
+ repl := caddy.NewReplacer()
+ for key, vals := range h.HealthChecks.Active.Headers {
+ key = repl.ReplaceAll(key, "")
if key == "Host" {
- req.Host = h.HealthChecks.Active.Headers.Get(key)
- } else {
- req.Header[key] = hdrs
+ req.Host = repl.ReplaceAll(h.HealthChecks.Active.Headers.Get(key), "")
+ continue
+ }
+ for _, val := range vals {
+ req.Header.Add(key, repl.ReplaceKnown(val, ""))
}
}