prometheus-node-exporter-lua: add hostapd exporter
This exporter exposes information of the connected stations acquired from hostapd. These contain additional information compared to the existing station exporter, however they require a full build of hostapd / wpad. Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer
parent
696f5565f8
commit
af8f8f8046
2 changed files with 124 additions and 2 deletions
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@ -4,8 +4,8 @@
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include $(TOPDIR)/rules.mk
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PKG_NAME:=prometheus-node-exporter-lua
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PKG_VERSION:=2019.11.17
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PKG_RELEASE:=2
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PKG_VERSION:=2020.02.03
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PKG_RELEASE:=1
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PKG_MAINTAINER:=Etienne CHAMPETIER <champetier.etienne@gmail.com>
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PKG_LICENSE:=Apache-2.0
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@ -58,6 +58,12 @@ define Package/prometheus-node-exporter-lua-wifi_stations
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DEPENDS:=prometheus-node-exporter-lua +libiwinfo-lua +libubus-lua
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endef
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define Package/prometheus-node-exporter-lua-hostapd_stations
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$(call Package/prometheus-node-exporter-lua/Default)
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TITLE+= (hostapd_stations collector) - Requires a full hostapd / wpad build
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DEPENDS:=prometheus-node-exporter-lua +hostapd-utils +lua-bit32 +libubus-lua
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endef
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define Package/prometheus-node-exporter-lua-bmx6
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$(call Package/prometheus-node-exporter-lua/Default)
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TITLE+= (bmx6 links collector)
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@ -128,6 +134,11 @@ define Package/prometheus-node-exporter-lua-wifi_stations/install
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$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/wifi_stations.lua $(1)/usr/lib/lua/prometheus-collectors/
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endef
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define Package/prometheus-node-exporter-lua-hostapd_stations/install
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$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
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$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/hostapd_stations.lua $(1)/usr/lib/lua/prometheus-collectors/
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endef
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define Package/prometheus-node-exporter-lua-bmx6/install
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$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
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$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/bmx6.lua $(1)/usr/lib/lua/prometheus-collectors/
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@ -158,6 +169,7 @@ $(eval $(call BuildPackage,prometheus-node-exporter-lua-nat_traffic))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-netstat))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi_stations))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-hostapd_stations))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-bmx6))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-bmx7))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-textfile))
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@ -0,0 +1,110 @@
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local ubus = require "ubus"
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local bit32 = require "bit32"
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local function get_wifi_interfaces()
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local u = ubus.connect()
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local status = u:call("network.wireless", "status", {})
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local interfaces = {}
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for dev, dev_table in pairs(status) do
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for _, intf in ipairs(dev_table['interfaces']) do
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table.insert(interfaces, intf['config']['ifname'])
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end
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end
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return interfaces
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end
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local function scrape()
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local metric_hostapd_station_vht = metric("hostapd_station_vht", "gauge")
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local metric_hostapd_station_ht = metric("hostapd_station_ht", "gauge")
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local metric_hostapd_station_wmm = metric("hostapd_station_wmm", "gauge")
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local metric_hostapd_station_mfp = metric("hostapd_station_mfp", "gauge")
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local metric_hostapd_station_rx_packets = metric("hostapd_station_rx_packets", "counter")
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local metric_hostapd_station_rx_bytes = metric("hostapd_station_rx_bytes", "counter")
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local metric_hostapd_station_tx_packets = metric("hostapd_station_tx_packets", "counter")
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local metric_hostapd_station_tx_bytes = metric("hostapd_station_tx_bytes", "counter")
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local metric_hostapd_station_inactive_msec = metric("hostapd_station_inactive_msec", "counter")
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local metric_hostapd_station_signal = metric("hostapd_station_signal", "gauge")
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local metric_hostapd_station_connected_time = metric("hostapd_station_connected_time", "counter")
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local metric_hostapd_station_wpa = metric("hostapd_station_wpa", "gauge")
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local metric_hostapd_station_sae_group = metric("hostapd_station_sae_group", "gauge")
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local metric_hostapd_station_vht_capb_su_beamformee = metric("hostapd_station_vht_capb_su_beamformee", "gauge")
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local metric_hostapd_station_vht_capb_mu_beamformee = metric("hostapd_station_vht_capb_mu_beamformee", "gauge")
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local function evaluate_metrics(ifname, station, vals)
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local label_station = {
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ifname = ifname,
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station = station,
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}
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for k, v in pairs(vals) do
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if k == "flags" then
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if string.match(v, "[VHT]") then
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metric_hostapd_station_vht(label_station, 1)
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end
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if string.match(v, "[HT]") then
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metric_hostapd_station_ht(label_station, 1)
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end
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if string.match(v, "[WMM]") then
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metric_hostapd_station_wmm(label_station, 1)
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end
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if string.match(v, "[MFP]") then
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metric_hostapd_station_mfp(label_station, 1)
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end
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elseif k == "wpa" then
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metric_hostapd_station_wpa(label_station, v)
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elseif k == "rx_packets" then
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metric_hostapd_station_rx_packets(label_station, v)
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elseif k == "rx_bytes" then
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metric_hostapd_station_rx_bytes(label_station, v)
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elseif k == "tx_packets" then
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metric_hostapd_station_tx_packets(label_station, v)
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elseif k == "tx_bytes" then
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metric_hostapd_station_tx_bytes(label_station, v)
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elseif k == "inactive_msec" then
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metric_hostapd_station_inactive_msec(label_station, v)
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elseif k == "signal" then
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metric_hostapd_station_signal(label_station, v)
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elseif k == "connected_time" then
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metric_hostapd_station_connected_time(label_station, v)
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elseif k == "sae_group" then
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metric_hostapd_station_sae_group(label_station, v)
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elseif k == "vht_caps_info" then
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local caps = tonumber(string.gsub(v, "0x", ""), 16)
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metric_hostapd_station_vht_capb_su_beamformee(label_station, bit32.band(bit32.lshift(1, 12), caps) > 0 and 1 or 0)
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metric_hostapd_station_vht_capb_mu_beamformee(label_station, bit32.band(bit32.lshift(1, 20), caps) > 0 and 1 or 0)
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end
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end
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end
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for _, ifname in ipairs(get_wifi_interfaces()) do
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local handle = io.popen("hostapd_cli -i " .. ifname .." all_sta")
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local all_sta = handle:read("*a")
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handle:close()
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local current_station = nil
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local current_station_values = {}
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for line in all_sta:gmatch("[^\r\n]+") do
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if string.match(line, "^%x[0123456789aAbBcCdDeE]:%x%x:%x%x:%x%x:%x%x:%x%x$") then
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if current_station ~= nil then
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evaluate_metrics(ifname, current_station, current_station_values)
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end
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current_station = line
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current_station_values = {}
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else
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local name, value = string.match(line, "(.+)=(.+)")
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current_station_values[name] = value
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end
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end
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evaluate_metrics(ifname, current_station, current_station_values)
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end
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end
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return { scrape = scrape }
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