Add --config flag to __prometheus_alertmanager

type/__prometheus_blackbox_exporter/manifest

@@ -3,17 +3,31 @@
 os="$(cat "${__global:?}/explorer/os")"
 case "$os" in
 	alpine)
-		__package blackbox_exporter
-		require="__package/blackbox_exporter" __start_on_boot \
-			blackbox_exporter
-		require="__package/blackbox_exporter" __service \
-			blackbox_exporter --action start
-		;;
-	debian|ubuntu)
-		__package prometheus-blackbox-exporter
+		config=/etc/blackbox_exporter/blackbox.yml
+		package=blackbox_exporter
+		service="$package"
 		;;
 	*)
 		echo "This type does not supper $os. Exiting." >&2
 		exit 1
 		;;
 esac
+
+# Install software.
+__package "$package"
+require="__package/$package" __start_on_boot "$service"
+require="__package/$package" __service "$service" --action start
+
+if [ -f "${__object:?}/parameter/config" ]; then
+	if [ "$(cat "${__object:?}/parameter/config")" = "-" ]; then
+		user_config="${__object:?}/stdin"
+	else
+		user_config="${__object:?}/parameter/config"
+	fi
+
+	require="__package/$package" __file "$config" \
+		--source "$user_config" \
+		--mode 0644 \
+		--owner root \
+		--onchange "service $service restart"
+fi

type/__prometheus_blackbox_exporter/parameter/optional

@@ -0,0 +1 @@
+config