EVOLUTION-MANAGER

Edit File: redis_monitor.lua

--
-- (C) 2013-24 - ntop.org
--

local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
if((dirs.scriptdir ~= nil) and (dirs.scriptdir ~= "")) then package.path = dirs.scriptdir .. "/lua/modules/?.lua;" .. package.path end

require "lua_utils"
local page_utils = require("page_utils")
local script_manager = require("script_manager")
local graph_utils = require("graph_utils")

local charts_available = script_manager.systemTimeseriesEnabled()

if not isAllowedSystemInterface() then
   return
end

sendHTTPContentTypeHeader('text/html')

page_utils.print_header_and_set_active_menu_entry(page_utils.menu_entries.redis_monitor)

dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")

local page = _GET["page"] or "overview"
local url = script_manager.getMonitorUrl("redis_monitor.lua") .. "?ifid=" .. getInterfaceId(ifname)

page_utils.print_navbar("Redis", url,
			{
			 {
			 active = page == "overview" or not page,
			 page_name = "overview",
			 label = "",
			 },
			 {
			 active = page == "stats",
			 page_name = "stats",
			 label = "",
			 },
			 {
			 hidden = not charts_available,
			 active = page == "historical",
			 page_name = "historical",
			 label = "",
			 },
			}
)

-- #######################################################

if(page == "overview") then
 local fa_external = ""
 local tags = {ifid=getSystemInterfaceId()}
 print("<table class=\"table table-bordered table-striped\">\n")

if not ntop.isWindows() then
 -- NOTE: on Windows, some stats are missing from script.getRedisStatus()
 print("<tr><td nowrap width='30%'>".. i18n("system_stats.health") .." "..i18n("system_stats.redis.short_desc_redis_health").."</td><td></td><td>Loading... </td></tr>\n")
 end

print("<tr><td nowrap width='30%'>".. i18n("about.ram_memory") .." "..i18n("system_stats.redis.short_desc_redis_ram_memory").."</td>")
 print("<td class='text-center' width=5%>")
 print(ternary(charts_available, "<A HREF='"..url.."&page=historical&ts_schema=redis:memory'></A>", ""))
 print("</td><td>Loading... </td></tr>\n")

if not ntop.isWindows() then
 print("<tr><td nowrap width='30%'>".. i18n("system_stats.redis.redis_keys") .." "..i18n("system_stats.redis.short_desc_redis_keys").."</td>")
 print("<td class='text-center' width=5%>")
 print(ternary(charts_available, "<A HREF='"..url.."&page=historical&ts_schema=redis:keys'></A>", ""))
 print("</td><td>Loading... </td></tr>\n")
 end

print[[<script>

var last_keys, last_memory
 var health_descr = {
]]
 print('"green" : {"status" : "'..i18n("system_stats.redis.redis_health_green")..'", "descr" : "'..i18n("system_stats.redis.redis_health_green_descr")..'"},')
 print('"red" : {"status" : "'..i18n("system_stats.redis.redis_health_red")..'", "descr" : "'..i18n("system_stats.redis.redis_health_red_descr", {product = ntop.getInfo()["product"]})..'"},')
 print[[
 };

function refreshRedisStats() {
  $.get("]] print(ntop.getHttpPrefix()) print[[/lua/rest/v2/get/system/health/redis.lua", function(info) {
     $(".redis-info-load").hide();

info = info.rsp;
 
 if(typeof info.health !== "undefined" && health_descr[info.health]) {
 $("#redis-health").html(health_descr[info.health]["status"] + " " + health_descr[info.health]["descr"]);
 }
 if(typeof info.dbsize !== "undefined") {
 $("#redis-info-keys").html(NtopUtils.formatValue(info.dbsize) + " ");
 if(typeof last_keys !== "undefined")
	 $("#redis-info-keys").append(NtopUtils.drawTrend(info.dbsize, last_keys));
 last_keys = info.dbsize;
 }
 if(typeof info.memory !== "undefined") {
 $("#redis-info-memory").html(NtopUtils.bytesToVolume(info.memory) + " ");
 if(typeof last_memory !== "undefined")
	 $("#redis-info-memory").append(NtopUtils.drawTrend(info.memory, last_memory));
 last_memory = info.memory;
 }
 }).fail(function() {
 $(".redis-info-load").hide();
 });
 }

setInterval(refreshRedisStats, 5000);
refreshRedisStats();
 </script>
 ]]
 print("</table>\n")
elseif(page == "stats") then

print [[
<div id="table-redis-stats"></div>
<script type='text/javascript'>

$("#table-redis-stats").datatable({
 title: "",
 perPage: 100,
 hidePerPage: true,
 url: "]] print(ntop.getHttpPrefix()) print("/lua/rest/v2/get/redis/redis_stats.lua") print[[",
 columns: [
 {
 field: "column_key",
 hidden: true,
 css: {
 width: '15%',
 }
 }, {
 field: "column_command",
 sortable: true,
 title: "]] print(i18n("please_wait_page.command")) print[[",
 css: {
 width: '15%',
 }
 }, {
 title: "]] print(i18n("chart")) print[[",
 field: "column_chart",
 hidden: ]] if not charts_available then print("true") else print("false") end print[[,
 sortable: false,
 css: {
 textAlign: 'center',
 width: '5%',
 }
 }, {
 title: "]] print(i18n("system_stats.redis.tot_calls")) print[[",
 field: "column_hits",
 sortable: true,
 css: {
 textAlign: 'right'
 }
 }
 ], tableCallback: function() {
 datatableInitRefreshRows($("#table-redis-stats"), "column_key", 5000, {"column_hits": NtopUtils.addCommas});
 }
});
</script>
 ]]

elseif(page == "historical" and charts_available) then 
   graph_utils.drawNewGraphs({ ifid = -1})
end

-- #######################################################

dofile(dirs.installdir .. "/scripts/lua/inc/footer.lua")