admin listener as opt-in for initial config (#2834)

* Always cleanup admin endpoint first

* Error out if no config has been set (#2833)

* Ignore explicitly missing admin config (#2833)

* Separate config loading from admin initialization (#2833)

* Add admin option to specify admin listener address (#2833)

* Use zap for reporting admin endpoint status

1 files changed, 14 insertions, 0 deletions

diff --git a/caddyconfig/httpcaddyfile/options.go b/caddyconfig/httpcaddyfile/options.go
index a60d060..74ec507 100644
--- a/caddyconfig/httpcaddyfile/options.go
+++ b/caddyconfig/httpcaddyfile/options.go
@@ -132,3 +132,17 @@ func parseOptEmail(d *caddyfile.Dispenser) (string, error) {
 	}
 	return val, nil
 }
+
+func parseOptAdmin(d *caddyfile.Dispenser) (string, error) {
+	if d.Next() {
+		var listenAddress string
+		d.AllArgs(&listenAddress)
+
+		if listenAddress == "" {
+			listenAddress = caddy.DefaultAdminListen
+		}
+
+		return listenAddress, nil
+	}
+	return "", nil
+}