Removed half of the monitor plugins (#6224)

scripts/lua/modules/influxdb_export_api.lua

@@ -0,0 +1,81 @@
+--
+-- (C) 2019-22 - ntop.org
+--
+
+local dirs = ntop.getDirs()
+package.path = dirs.installdir .. "/scripts/lua/modules/timeseries/?.lua;" .. package.path
+
+local ts_utils_core = require("ts_utils_core")
+
+local influxdb_export_api = {}
+
+-- ##############################################
+
+function influxdb_export_api.isInfluxdbEnabled()
+   return ts_utils_core.getDriverName() == "influxdb"
+end
+
+-- ##############################################
+
+function influxdb_export_api.isInfluxdbChecksEnabled()
+   return true -- TODO: Check if influxdb checks are enabled
+end
+
+-- ##############################################
+
+function influxdb_export_api.getExportStats()
+   local points_exported
+   local points_dropped
+   local exports
+   local ifnames = interface.getIfNames()
+
+   local influxdb = ts_utils_core.getQueryDriver()
+
+   points_exported = influxdb:get_exported_points()
+   exports = influxdb:get_exports()
+
+   local res = {
+      health = influxdb:get_health(),
+      points_exported = points_exported,
+      exports = exports,
+   }
+
+   return(res)
+end
+
+-- ##############################################
+
+function influxdb_export_api.measureRtt(when, influxdb)
+   local start_ms = ntop.gettimemsec()
+   local res = influxdb:getInfluxdbVersion()
+   local ifid = getSystemInterfaceId()
+
+   if res ~= nil then
+      local end_ms = ntop.gettimemsec()
+
+      ts_utils_core.append("influxdb:rtt", { ifid = ifid, millis_rtt = ((end_ms-start_ms)*1000) }, when)
+   end
+end
+
+-- ##############################################
+
+function influxdb_export_api.exportStats(when, influxdb)
+   local stats = influxdb_export_api.getExportStats()
+   local ifid = getSystemInterfaceId()
+
+   ts_utils_core.append("influxdb:exported_points", { ifid = ifid, points = stats.points_exported }, when)
+   ts_utils_core.append("influxdb:exports", { ifid = ifid, num_exports = stats.exports }, when)
+end
+
+-- ##############################################
+
+function influxdb_export_api.exportStorageSize(when, influxdb)
+   local disk_bytes = influxdb:getDiskUsage()
+   local ifid = getSystemInterfaceId()
+
+   if(disk_bytes ~= nil) then
+      ts_utils_core.append("influxdb:storage_size", { ifid = ifid, disk_bytes = disk_bytes }, when)
+   end
+end
+
+return influxdb_export_api