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prometheus-node-exporter-lua: add realtek-poe exporter

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exposes PoE metrics obtained from realtek-poe

 # HELP realtek_poe_switch_info information about the poe controller
 # TYPE realtek_poe_switch_info gauge
 realtek_poe_switch_info{mcu="ST Micro ST32F100 Microcontroller",firmware="v22.4"} 1

 # HELP realtek_poe_switch_budget_watts overall power budget
 # TYPE realtek_poe_switch_budget_watts gauge
 realtek_poe_switch_budget_watts 77

 # HELP realtek_poe_switch_consumption_watts overall power consumption
 # TYPE realtek_poe_switch_consumption_watts gauge
 realtek_poe_switch_consumption_watts 5

 # HELP realtek_poe_port_priority poe priority of port
 # TYPE realtek_poe_port_priority gauge
 realtek_poe_port_priority{device="lan1"} 1
 realtek_poe_port_priority{device="lan2"} 1
 [...]

 # HELP realtek_poe_port_consumption_watts per port power consumption
 # TYPE realtek_poe_port_consumption_watts gauge
 realtek_poe_port_consumption_watts{device="lan1"} 0
 realtek_poe_port_consumption_watts{device="lan2"} 0
 [...]

 # HELP realtek_poe_port_state per port poe state
 # TYPE realtek_poe_port_state gauge
 realtek_poe_port_state{device="lan1",state="Disabled"} 0
 realtek_poe_port_state{device="lan1",state="Searching"} 1
 [...]
 (states: Disabled, Searching, Delivering power, Fault, Other fault, Requesting power)

 # HELP realtek_poe_port_mode per port poe mode
 # TYPE realtek_poe_port_mode gauge
 realtek_poe_port_mode{device="lan1",mode="PoE"} 0
 realtek_poe_port_mode{device="lan1",mode="PoE+"} 1
 [...]
 (modes: PoE, Legacy, pre-PoE+, PoE+)

Signed-off-by: Gregor Michels <hirnpfirsich@brainpeach.de>
This commit is contained in:
Gregor Michels 2022-05-18 23:59:46 +02:00
parent e27b2655c8
commit 201457c17a
2 changed files with 100 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
utils/prometheus-node-exporter-lua/Makefile
View File

@ -4,7 +4,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=prometheus-node-exporter-lua
PKG_VERSION:=2022.08.07
PKG_VERSION:=2022.08.08
PKG_RELEASE:=1
PKG_MAINTAINER:=Etienne CHAMPETIER <champetier.etienne@gmail.com>
@ -224,6 +224,17 @@ define Package/prometheus-node-exporter-lua-snmp6/install
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/snmp6.lua $(1)/usr/lib/lua/prometheus-collectors/
endef
define Package/prometheus-node-exporter-lua-realtek-poe
$(call Package/prometheus-node-exporter-lua/Default)
TITLE+= (realtek-poe collector)
DEPENDS:=prometheus-node-exporter-lua +libubus-lua +realtek-poe
endef
define Package/prometheus-node-exporter-lua-realtek-poe/install
$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/realtek-poe.lua $(1)/usr/lib/lua/prometheus-collectors/
endef
$(eval $(call BuildPackage,prometheus-node-exporter-lua))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-bmx6))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-bmx7))
@ -240,3 +251,4 @@ $(eval $(call BuildPackage,prometheus-node-exporter-lua-uci_dhcp_host))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi_stations))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-snmp6))
$(eval $(call BuildPackage,prometheus-node-exporter-lua-realtek-poe))

87
utils/prometheus-node-exporter-lua/files/usr/lib/lua/prometheus-collectors/realtek-poe.lua Normal file
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@ -0,0 +1,87 @@
require "ubus"
local METRIC_NAMESPACE = "realtek_poe"
-- possible poe modes for a port
-- realtek-poe/src/main.c
-- static int poe_reply_port_ext_config()
local POE_MODES = {
"PoE",
"Legacy",
"pre-PoE+",
"PoE+"
}
-- possible poe states for a port
-- realtek-poe/src/main.c
-- static int poe_reply_4_port_status()
local POE_STATES = {
"Disabled",
"Searching",
"Delivering power",
"Fault",
"Other fault",
"Requesting power"
}
-- --
-- scraping function
-- --
local function scrape()
-- connect to ubus
local conn = ubus.connect()
if not conn then
error("Failed to connect to ubusd")
end
-- call poe info
local poe_info = conn:call("poe", "info", {})
if not poe_info then
error("Failed to call 'poe info'. Is realtek-poe installed and running ?")
end
-- close ubus handle
conn:close()
-- helper vars
local mcu = poe_info["mcu"]
local ports = poe_info["ports"]
local budget = poe_info["budget"]
local firmware = poe_info["firmware"]
local consumption = poe_info["consumption"]
-- push info, budget and consumption metric
metric(METRIC_NAMESPACE .. "_switch_info", "gauge", { mcu=mcu, firmware=firmware }, 1)
metric(METRIC_NAMESPACE .. "_switch_budget_watts", "gauge", nil, budget)
metric(METRIC_NAMESPACE .. "_switch_consumption_watts", "gauge", nil, consumption)
-- push per port priority metrics
local priority_metric = metric(METRIC_NAMESPACE .. "_port_priority", "gauge")
for port, values in pairs(ports) do
priority_metric({ device=port }, values["priority"])
end
-- push per port consumption metrics
local consumption_metric = metric(METRIC_NAMESPACE .. "_port_consumption_watts", "gauge")
for port, values in pairs(ports) do
consumption_metric({ device=port }, (values["consumption"] ~= nil and values["consumption"] or 0))
end
-- push per port state metrics
local state_metric = metric(METRIC_NAMESPACE .. "_port_state", "gauge")
for _, state in ipairs(POE_STATES) do
for port, values in pairs(ports) do
state_metric({ device=port, state=state }, (values["status"] == state and 1 or 0))
end
end
-- push per port mode metrics
local mode_metric = metric(METRIC_NAMESPACE .. "_port_mode", "gauge")
for _, mode in ipairs(POE_MODES) do
for port, values in pairs(ports) do
mode_metric({ device=port, mode=mode }, (values["mode"] == mode and 1 or 0))
end
end
end
return { scrape = scrape }