From 5b92193978e037d646edf23559440f18bf66be2c Mon Sep 17 00:00:00 2001 From: Florian Eckert Date: Thu, 18 Jan 2018 13:11:03 +0100 Subject: luci-app-mwan3: refactoring diagnostics view and controller Signed-off-by: Florian Eckert --- .../luci-app-mwan3/luasrc/controller/mwan3.lua | 145 +++++++++++++-------- 1 file changed, 93 insertions(+), 52 deletions(-) (limited to 'applications/luci-app-mwan3/luasrc/controller/mwan3.lua') diff --git a/applications/luci-app-mwan3/luasrc/controller/mwan3.lua b/applications/luci-app-mwan3/luasrc/controller/mwan3.lua index 5d4ddfbdaf..e7e8dc93c8 100644 --- a/applications/luci-app-mwan3/luasrc/controller/mwan3.lua +++ b/applications/luci-app-mwan3/luasrc/controller/mwan3.lua @@ -80,9 +80,10 @@ function detailedStatus() luci.http.write_json(mArray) end -function diagnosticsData(interface, tool, task) - function getInterfaceNumber() +function diagnosticsData(interface, task) + function getInterfaceNumber(interface) local number = 0 + local interfaceNumber uci.cursor():foreach("mwan3", "interface", function (section) number = number+1 @@ -91,71 +92,111 @@ function diagnosticsData(interface, tool, task) end end ) + return interfaceNumber end - local mArray = {} + function diag_command(cmd, addr) + if addr and addr:match("^[a-zA-Z0-9%-%.:_]+$") then + local util = io.popen(cmd % addr) + if util then + while true do + local ln = util:read("*l") + if not ln then break end + luci.http.write(ln) + luci.http.write("\n") + end + util:close() + end + return + end + end - local results = "" - local interfaceDevice = ut.trim(sys.exec("uci -q -p /var/state get network." .. interface .. ".ifname")) - if interfaceDevice ~= "" then - if tool == "ping" then - local gateway = ut.trim(sys.exec("route -n | awk '{if ($8 == \"" .. interfaceDevice .. "\" && $1 == \"0.0.0.0\" && $3 == \"0.0.0.0\") print $2}'")) - if gateway ~= "" then - if task == "gateway" then - local pingCommand = "ping -c 3 -W 2 -I " .. interfaceDevice .. " " .. gateway - results = pingCommand .. "\n\n" .. sys.exec(pingCommand) - else - local tracked = ut.trim(sys.exec("uci -q -p /var/state get mwan3." .. interface .. ".track_ip")) - if tracked ~= "" then - for z in tracked:gmatch("[^ ]+") do - local pingCommand = "ping -c 3 -W 2 -I " .. interfaceDevice .. " " .. z - results = results .. pingCommand .. "\n\n" .. sys.exec(pingCommand) .. "\n\n" - end - else - results = "No tracking IP addresses configured on " .. interface - end + function get_gateway(inteface) + local dump = require("luci.util").ubus("network.interface.%s" % interface, "status", {}) + local gateway + if dump then + local _, route + for _, route in ipairs(dump.route) do + if dump.route[_].target == "0.0.0.0" then + gateway = dump.route[_].nexthop end + end + end + return gateway + end + + local mArray = {} + local results = "" + local number = getInterfaceNumber(interface) + + local uci = uci.cursor(nil, "/var/state") + local device = uci:get("network", interface, "ifname") + + luci.http.prepare_content("text/plain") + if device ~= "" then + if task == "ping_gateway" then + local gateway = get_gateway(interface) + if gateway ~= nil then + diag_command("ping -c 5 -W 1 %q 2>&1", gateway) else - results = "No default gateway for " .. interface .. " found. Default route does not exist or is configured incorrectly" + luci.http.prepare_content("text/plain") + luci.http.write(string.format("No gateway for interface %s found.", interface)) end - elseif tool == "rulechk" then - getInterfaceNumber() - local rule1 = sys.exec(ip .. "rule | grep $(echo $((" .. interfaceNumber .. " + 1000)))") - local rule2 = sys.exec(ip .. "rule | grep $(echo $((" .. interfaceNumber .. " + 2000)))") - if rule1 ~= "" and rule2 ~= "" then - results = "All required interface IP rules found:\n\n" .. rule1 .. rule2 - elseif rule1 ~= "" or rule2 ~= "" then - results = "Missing 1 of the 2 required interface IP rules\n\n\nRules found:\n\n" .. rule1 .. rule2 + elseif task == "ping_trackips" then + local trackips = uci:get("mwan3", interface, "track_ip") + if #trackips > 0 then + for i in pairs(trackips) do + diag_command("ping -c 5 -W 1 %q 2>&1", trackips[i]) + end else - results = "Missing both of the required interface IP rules" + luci.http.write(string.format("No tracking Hosts for interface %s defined.", interface)) end - elseif tool == "routechk" then - getInterfaceNumber() - local routeTable = sys.exec(ip .. "route list table " .. interfaceNumber) - if routeTable ~= "" then - results = "Interface routing table " .. interfaceNumber .. " was found:\n\n" .. routeTable + elseif task == "check_rules" then + local number = getInterfaceNumber(interface) + local iif = 1000 + number + local fwmark = 2000 + number + local iif_rule = sys.exec(string.format("ip rule | grep %d", iif)) + local fwmark_rule = sys.exec(string.format("ip rule | grep %d", fwmark)) + if iif_rule ~= "" and fwmark_rule ~= "" then + luci.http.write(string.format("All required IP rules for interface %s found", interface)) + luci.http.write("\n") + luci.http.write(fwmark_rule) + luci.http.write(iif_rule) + elseif iif_rule == "" and fwmark_rule ~= "" then + luci.http.write(string.format("Only one IP rules for interface %s found", interface)) + luci.http.write("\n") + luci.http.write(fwmark_rule) + elseif iif_rule ~= "" and fwmark_rule == "" then + luci.http.write(string.format("Only one IP rules for interface %s found", interface)) + luci.http.write("\n") + luci.http.write(iif_rule) else - results = "Missing required interface routing table " .. interfaceNumber + luci.http.write(string.format("Missing both IP rules for interface %s", interface)) end - elseif tool == "hotplug" then - if task == "ifup" then - os.execute("/usr/sbin/mwan3 ifup " .. interface) - results = "Hotplug ifup sent to interface " .. interface .. "..." + elseif task == "check_routes" then + local number = getInterfaceNumber(interface) + local routeTable = sys.exec(string.format("ip route list table %s", number)) + if routeTable ~= "" then + luci.http.write(string.format("Routing table %s for interface %s found", number, interface)) + luci.http.write("\n") + luci.http.write(routeTable) else - os.execute("/usr/sbin/mwan3 ifdown " .. interface) - results = "Hotplug ifdown sent to interface " .. interface .. "..." + luci.http.write(string.format("Routing table %s for interface %s not found", number, interface)) end + elseif task == "hotplug_ifup" then + os.execute(string.format("/usr/sbin/mwan3 ifup %s", interface)) + luci.http.write(string.format("Hotplug ifup sent to interface %s", interface)) + elseif task == "hotplug_ifdown" then + os.execute(string.format("/usr/sbin/mwan3 ifdown %s", interface)) + luci.http.write(string.format("Hotplug ifdown sent to interface %s", interface)) + else + luci.http.write("Unknown task") end else - results = "Unable to perform diagnostic tests on " .. interface .. ". There is no physical or virtual device associated with this interface" - end - if results ~= "" then - results = ut.trim(results) - mArray.diagnostics = { results } + luci.http.write(string.format("Unable to perform diagnostic tests on %s.", interface)) + luci.http.write("\n") + luci.http.write("There is no physical or virtual device associated with this interface.") end - - luci.http.prepare_content("application/json") - luci.http.write_json(mArray) end function troubleshootingData() -- cgit v1.2.3