ntopng/scripts/lua/system_stats.lua
2020-11-25 14:36:34 +01:00

228 lines
8.7 KiB
Lua

--
-- (C) 2013-20 - 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 plugins_utils = require("plugins_utils")
local alert_consts = require("alert_consts")
local internals_utils = require "internals_utils"
local cpu_utils = require("cpu_utils")
local ts_utils = require "ts_utils"
local graph_utils = require("graph_utils")
local alert_utils = require("alert_utils")
local ts_creation = plugins_utils.timeseriesCreationEnabled()
if not isAllowedSystemInterface() then
return
end
sendHTTPContentTypeHeader('text/html')
page_utils.set_active_menu_entry(page_utils.menu_entries.system_status)
dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
local page = _GET["page"] or "overview"
local url = ntop.getHttpPrefix() .. "/lua/system_stats.lua?ifid="..interface.getId()
local title = i18n("system")
local info = ntop.getInfo()
page_utils.print_navbar(title, url,
{
{
active = page == "overview" or not page,
page_name = "overview",
label = "<i class=\"fas fa-home fa-lg\"></i>",
},
{
hidden = not ts_creation,
active = page == "historical",
page_name = "historical",
label = "<i class='fas fa-lg fa-chart-area'></i>",
},
{
hidden = interface.isPcapDumpInterface() or not isAdministrator() or not areAlertsEnabled(),
active = page == "alerts",
page_name = "alerts",
label = "<i class=\"fas fa-exclamation-triangle fa-lg\"></i>",
},
{
active = page == "internals",
page_name = "internals",
label = "<i class=\"fas fa-lg fa-wrench\"></i>",
},
}
)
-- #######################################################
if(page == "overview") then
local storage_utils = require("storage_utils")
print("<div class='table-responsive-lg table-responsive-md'>")
print("<table class=\"table table-bordered table-striped\">\n")
local system_rowspan = 1
local ntopng_rowspan = 20
local system_host_stats = cpu_utils.systemHostStats()
local has_system = false
if system_host_stats["cpu_load"] ~= nil then system_rowspan = system_rowspan + 1; has_system = true end
if system_host_stats["mem_total"] ~= nil then system_rowspan = system_rowspan + 1; has_system = true end
if system_host_stats["cpu_states"] and system_host_stats["cpu_states"]["iowait"] then system_rowspan = system_rowspan + 1; has_system = true end
if has_system then
print("<tr><th rowspan="..system_rowspan.." width=5%>"..i18n("about.system").."</th></tr>\n")
end
if system_host_stats["cpu_load"] ~= nil then
local chart_available = ts_utils.exists("system:cpu_load", {ifid = getSystemInterfaceId()})
print("<tr><th nowrap>"..i18n("about.cpu_load").." "..ternary(chart_available, "<A HREF='"..url.."&page=historical&ts_schema=system:cpu_load'><i class='fas fa-chart-area fa-sm'></i></A>", "").."</th><td><span id='cpu-load-pct'>...</span></td></tr>\n")
end
if system_host_stats["cpu_states"] and system_host_stats["cpu_states"]["iowait"] then
local chart_available = ts_utils.exists("system:cpu_states", {ifid = getSystemInterfaceId()})
print("<tr><th nowrap>"..i18n("about.cpu_states").." "..ternary(chart_available, "<A HREF='"..url.."&page=historical&ts_schema=system:cpu_states'><i class='fas fa-chart-area fa-sm'></i></A>", "").."</th><td><span id='cpu-states'></span></td></tr>\n")
end
if system_host_stats["mem_total"] ~= nil then
print("<tr><th nowrap>"..i18n("about.ram_memory").." "..ternary(chart_available, "<A HREF='"..url.."&page=historical&ts_schema=process:resident_memory'><i class='fas fa-chart-area fa-sm'></i></A>", "").."</th><td><span id='ram-used'></span></td></tr>\n")
end
print("<tr><th rowspan=".. ntopng_rowspan ..">"..info["product"].."</th>")
if(info.pid ~= nil) then
print("<tr><th nowrap>PID (Process ID)</th><td>"..info.pid.."</td></tr>\n")
end
if system_host_stats["mem_ntopng_resident"] ~= nil then
local chart_available = ts_utils.exists("process:resident_memory", {ifid = getSystemInterfaceId()})
print("<tr><th nowrap>"..i18n("about.ram_memory").." "..ternary(chart_available, "<A HREF='"..url.."&page=historical&ts_schema=process:resident_memory'><i class='fas fa-chart-area fa-sm'></i></A>", "").."</th><td><span id='ram-process-used'></span></td></tr>\n")
end
if areAlertsEnabled() then
local chart_available = ts_utils.exists("process:num_alerts", {ifid = getSystemInterfaceId()})
print("<tr><th nowrap>"..i18n("details.alerts").." "..ternary(chart_available, "<A HREF='"..url.."&page=historical&ts_schema=process:num_alerts'><i class='fas fa-chart-area fa-sm'></i></A>", "").."</th><td>"..i18n("about.alert_queries")..": <span id='alerts-queries'>...</span> / "..i18n("about.alerts_stored")..": <span id='stored-alerts'>...</span> / "..i18n("about.alerts_dropped")..": <span id='dropped-alerts'>...</span></td></tr>\n")
end
print("<tr id='storage-info-tr'><th>"..i18n("traffic_recording.storage_utilization").."</th><td>")
print("<div id='storage-info'></div>")
print("</td></tr>")
print("<tr id='storage-pcap-info-tr'><th>"..i18n("traffic_recording.storage_utilization_pcap").."</th><td>")
print("<div id='storage-pcap-info'></div>")
print("</td></tr>")
if not info.oem then
print("<tr><th nowrap>"..i18n("about.last_log").."</th><td><div class='scrollable-log'><code>\n")
for i=0,32 do
msg = ntop.listIndexCache("ntopng.trace", i)
if(msg ~= nil) then
local text = noHtml(msg)
-- encapsule the ERROR or WARNING string in a badge
-- so the log are more visible
if text:find("ERROR") then
text = text:gsub("(ERROR)(:)", "<span class='badge badge-danger'>%1</span>")
elseif text:find("WARNING") then
text = text:gsub("(WARNING)(:)", "<span class='badge badge-warning'>%1</span>")
end
print(text)
print("<br>")
end
end
print("</code></div></td></tr>\n")
end
print("</table>")
print("</div>")
print [[
<script>
var storageRefresh = function() {
$.ajax({
type: 'GET',
url: ']]
print (ntop.getHttpPrefix())
print [[/lua/system_stats_data.lua',
data: { },
success: function(rsp) {
if(rsp.storage !== undefined) {
$('#storage-info').html(rsp.storage);
$("#storage-info-tr").show();
}
if(rsp.pcap_storage !== undefined) {
$('#storage-pcap-info').html(rsp.pcap_storage);
$("#storage-pcap-info-tr").show();
}
}
});
}
$("#storage-info-tr").hide();
$("#storage-pcap-info-tr").hide();
storageRefresh();
</script>
]]
elseif(page == "historical" and ts_creation) then
local sys_stats = ntop.systemHostStat()
local selected_epoch = _GET["epoch"] or ""
local tags = {ifid = getSystemInterfaceId()}
local skip_cpu_load = (sys_stats.cpu_load == nil)
local schema = _GET["ts_schema"] or ternary(skip_cpu_load, "process:num_alerts", "system:cpu_load")
url = url.."&page=historical"
graph_utils.drawGraphs(getSystemInterfaceId(), schema, tags, _GET["zoom"], url, selected_epoch, {
timeseries = {
{
schema = "system:cpu_load",
label=i18n("about.cpu_load"),
metrics_labels = {i18n("about.cpu_load")},
value_formatter = {"NtopUtils.ffloat"},
skip = skip_cpu_load,
},
{
schema="system:cpu_states",
label=i18n("about.cpu_states"),
metrics_labels = {i18n("about.iowait"), i18n("about.active"), i18n("about.idle")},
value_formatter = {"NtopUtils.fpercent"}
},
{
schema="process:resident_memory",
label=i18n("graphs.process_memory")
},
{
schema="process:num_alerts",
label=i18n("graphs.process_alerts"),
metrics_labels = {i18n("about.alerts_stored"), i18n("about.alert_queries"), i18n("about.alerts_dropped")},
},
{
schema="iface:alerts_stats",
label=i18n("show_alerts.iface_engaged_dropped_alerts"),
},
}
})
elseif((page == "alerts") and isAdministrator()) then
local cur_id = interface.getId()
interface.select(getSystemInterfaceId())
_GET["ifid"] = getSystemInterfaceId()
alert_utils.drawAlerts({
is_standalone = true
})
interface.select(tostring(cur_id))
elseif page == "internals" then
internals_utils.printInternals(getSystemInterfaceId(), false --[[ hash tables ]], true --[[ periodic activities ]], false --[[ user scripts]], true --[[ queues --]])
end
-- #######################################################
dofile(dirs.installdir .. "/scripts/lua/inc/footer.lua")