mirror of
https://github.com/ntop/ntopng.git
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200 lines
7.5 KiB
Lua
200 lines
7.5 KiB
Lua
--
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-- (C) 2013-22 - ntop.org
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--
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local dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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if((dirs.scriptdir ~= nil) and (dirs.scriptdir ~= "")) then package.path = dirs.scriptdir .. "/lua/modules/?.lua;" .. package.path end
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require "lua_utils"
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local page_utils = require("page_utils")
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local script_manager = require("script_manager")
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local graph_utils = require("graph_utils")
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local charts_available = script_manager.systemTimeseriesEnabled()
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if not isAllowedSystemInterface() then
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return
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end
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sendHTTPContentTypeHeader('text/html')
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page_utils.set_active_menu_entry(page_utils.menu_entries.redis_monitor)
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dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
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local page = _GET["page"] or "overview"
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local url = script_manager.getMonitorUrl("redis_monitor.lua") .. "?ifid=" .. getInterfaceId(ifname)
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page_utils.print_navbar("Redis", url,
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{
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{
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active = page == "overview" or not page,
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page_name = "overview",
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label = "<i class=\"fas fa-lg fa-home\"></i>",
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},
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{
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active = page == "stats",
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page_name = "stats",
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label = "<i class=\"fas fa-lg fa-wrench\"></i>",
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},
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{
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hidden = not charts_available,
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active = page == "historical",
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page_name = "historical",
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label = "<i class='fas fa-lg fa-chart-area'></i>",
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},
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}
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)
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-- #######################################################
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if(page == "overview") then
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local fa_external = "<i class='fas fa-external-link-alt'></i>"
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local tags = {ifid=getSystemInterfaceId()}
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print("<table class=\"table table-bordered table-striped\">\n")
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if not ntop.isWindows() then
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-- NOTE: on Windows, some stats are missing from script.getRedisStatus()
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print("<tr><td nowrap width='30%'><b>".. i18n("system_stats.health") .."</b><br><small>"..i18n("system_stats.redis.short_desc_redis_health").."</small></td><td></td><td><span id='throbber' class='spinner-border redis-info-load spinner-border-sm text-primary' role='status'><span class='sr-only'>Loading...</span></span> <span id=\"redis-health\"></span></td></tr>\n")
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end
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print("<tr><td nowrap width='30%'><b>".. i18n("about.ram_memory") .."</b><br><small>"..i18n("system_stats.redis.short_desc_redis_ram_memory").."</small></td>")
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print("<td class='text-center' width=5%>")
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print(ternary(charts_available, "<A HREF='"..url.."&page=historical&ts_schema=redis:memory'><i class='fas fa-lg fa-chart-area'></i></A>", ""))
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print("</td><td><span id='throbber' class='spinner-border redis-info-load spinner-border-sm text-primary' role='status'><span class='sr-only'>Loading...</span></span> <span id=\"redis-info-memory\"></span></td></tr>\n")
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if not ntop.isWindows() then
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print("<tr><td nowrap width='30%'><b>".. i18n("system_stats.redis.redis_keys") .."</b><br><small>"..i18n("system_stats.redis.short_desc_redis_keys").."</small></td>")
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print("<td class='text-center' width=5%>")
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print(ternary(charts_available, "<A HREF='"..url.."&page=historical&ts_schema=redis:keys'><i class='fas fa-chart-area fa-lg'></i></A>", ""))
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print("</td><td><span id='throbber' class='spinner-border redis-info-load spinner-border-sm text-primary' role='status'><span class='sr-only'>Loading...</span></span> <span id=\"redis-info-keys\"></span></td></tr>\n")
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end
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print[[<script>
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var last_keys, last_memory
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var health_descr = {
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]]
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print('"green" : {"status" : "<span class=\'badge bg-success\'>'..i18n("system_stats.redis.redis_health_green")..'</span>", "descr" : "<small>'..i18n("system_stats.redis.redis_health_green_descr")..'</small>"},')
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print('"red" : {"status" : "<span class=\'badge bg-danger\'>'..i18n("system_stats.redis.redis_health_red")..'</span>", "descr" : "<small>'..i18n("system_stats.redis.redis_health_red_descr", {product = ntop.getInfo()["product"]})..'</small>"},')
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print[[
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};
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function refreshRedisStats() {
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$.get("]] print(ntop.getHttpPrefix()) print[[/lua/rest/v2/get/redis/redis_info.lua", function(info) {
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$(".redis-info-load").hide();
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info = info.rsp;
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if(typeof info.health !== "undefined" && health_descr[info.health]) {
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$("#redis-health").html(health_descr[info.health]["status"] + "<br>" + health_descr[info.health]["descr"]);
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}
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if(typeof info.dbsize !== "undefined") {
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$("#redis-info-keys").html(NtopUtils.formatValue(info.dbsize) + " ");
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if(typeof last_keys !== "undefined")
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$("#redis-info-keys").append(NtopUtils.drawTrend(info.dbsize, last_keys));
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last_keys = info.dbsize;
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}
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if(typeof info.memory !== "undefined") {
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$("#redis-info-memory").html(NtopUtils.bytesToVolume(info.memory) + " ");
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if(typeof last_memory !== "undefined")
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$("#redis-info-memory").append(NtopUtils.drawTrend(info.memory, last_memory));
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last_memory = info.memory;
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}
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}).fail(function() {
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$(".redis-info-load").hide();
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});
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}
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setInterval(refreshRedisStats, 5000);
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refreshRedisStats();
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</script>
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]]
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print("</table>\n")
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elseif(page == "stats") then
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print [[
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<div id="table-redis-stats"></div>
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<script type='text/javascript'>
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$("#table-redis-stats").datatable({
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title: "",
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perPage: 100,
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hidePerPage: true,
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url: "]] print(ntop.getHttpPrefix()) print("/lua/rest/v2/get/redis/redis_stats.lua") print[[",
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columns: [
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{
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field: "column_key",
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hidden: true,
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css: {
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width: '15%',
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}
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}, {
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field: "column_command",
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sortable: true,
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title: "]] print(i18n("please_wait_page.command")) print[[",
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css: {
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width: '15%',
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}
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}, {
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title: "]] print(i18n("chart")) print[[",
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field: "column_chart",
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hidden: ]] if not charts_available then print("true") else print("false") end print[[,
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sortable: false,
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css: {
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textAlign: 'center',
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width: '5%',
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}
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}, {
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title: "]] print(i18n("system_stats.redis.tot_calls")) print[[",
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field: "column_hits",
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sortable: true,
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css: {
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textAlign: 'right'
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}
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}
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], tableCallback: function() {
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datatableInitRefreshRows($("#table-redis-stats"), "column_key", 5000, {"column_hits": NtopUtils.addCommas});
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}
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});
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</script>
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]]
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elseif(page == "historical" and charts_available) then
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local ts_utils = require("ts_utils")
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local schema = _GET["ts_schema"] or "redis:memory"
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local selected_epoch = _GET["epoch"] or ""
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local tags = {ifid = getSystemInterfaceId(), command = _GET["redis_command"]}
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url = url.."&page=historical"
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local timeseries = {
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{schema = "redis:memory", label = i18n("about.ram_memory")},
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{schema = "redis:keys", label = i18n("system_stats.redis.redis_keys")},
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{separator=1, label=i18n("system_stats.redis.commands")},
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}
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-- Populate individual commands timeseries
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local series = ts_utils.listSeries("redis:hits", {ifid = getSystemInterfaceId()}, 0)
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if(series) then
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for _, serie in pairsByField(series, "command", asc) do
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timeseries[#timeseries + 1] = {
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schema = "redis:hits",
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label = i18n("system_stats.redis.command_hits", {cmd = string.upper(string.sub(serie.command, 5))}),
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extra_params = {redis_command = serie.command},
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metrics_labels = {i18n("graphs.num_calls")},
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}
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end
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end
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graph_utils.drawGraphs(getSystemInterfaceId(), schema, tags, _GET["zoom"], url, selected_epoch, {
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top_redis_hits = "top:redis:hits",
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timeseries = timeseries,
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})
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end
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-- #######################################################
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dofile(dirs.installdir .. "/scripts/lua/inc/footer.lua")
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