view mod_discodot/mod_discodot.lua @ 4976:75b6e5df65f9

various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents 253df0798996
children
line wrap: on
line source

local cm = require("core.configmanager");

local function format_host(host, conf)
	if host == "*" then
		return "Global"
	end
	local component_module = conf["component_module"];
	if type(component_module) == "string" then
		if component_module == "component" then
			return string.format("Component %q", host)
		else
			return string.format("Component %q %q", host, component_module)
		end
	else
		return string.format("VirtualHost %q", host)
	end
end

function module.command(arg)

	local config = cm.getconfig();

	print("digraph \"prosody\" {")
	for host, conf in pairs(config) do
		print(string.format("%q [label=%q]", host, format_host(host, conf)));
		local parent = host:match("%.(.*)");
		if parent and rawget(config, parent) then
			print(string.format("%q -> %q", parent, host));
		end
		local disco_items = conf["disco_items"]
		if type(disco_items) == "table" then
			for _, pair in ipairs(disco_items) do
				print(string.format("%q -> %q", host, pair[1]));
			end
		end

	end

	print("}")

	return 0
end