prometheus-node-exporter-lua: add bmx6/7 scraper
scrapes bmx6 status and connected links.
example output:
bmx6_status{id="qMp-LibreMesh-1706",version="BMX6-0.1-alpha",address="fd66:66:66🅰️6670:2ff:fe3e:9d28"} 1
bmx6_link_rxRate{target="UPC-CN-C6-E104-Alix",source="qMp-LibreMesh-1706",dev="wlan0-mesh_12"} 100
bmx6_link_txRate{target="UPC-CN-C6-E104-Alix",source="qMp-LibreMesh-1706",dev="wlan0-mesh_12"} 100
bmx6_link_rxRate{target="UPC-CN-C6-E104-Alix-Paul",source="qMp-LibreMesh-1706",dev="wlan1-adhoc_12"} 100
bmx6_link_txRate{target="UPC-CN-C6-E104-Alix-Paul",source="qMp-LibreMesh-1706",dev="wlan1-adhoc_12"} 100
bmx6_link_rxRate{target="UPC-CN-C6-E104-Turoffner",source="qMp-LibreMesh-1706",dev="wlan0-mesh_12"} 97
bmx6_link_txRate{target="UPC-CN-C6-E104-Turoffner",source="qMp-LibreMesh-1706",dev="wlan0-mesh_12"} 100
node_scrape_collector_duration_seconds{collector="bmx6"} 0.0025260448455811
node_scrape_collector_success{collector="bmx6"} 1
scrapes bmx7 status and connected links.
example output:
bmx7_status{id="C68791D2",revision="3a52f89",name="smpl-18f4ce",address="fd70:c687:91d2:8ab3:1a88:6b14:bad0:2b18"} 1
bmx7_cpu_usage 0.7
bmx7_mem_usage 3204000
bmx7_link_rxRate{target="F48239CD",dev="wlan0-mesh_13",source="C68791D2",name="smpl-07889a"} 54000
bmx7_link_txRate{target="F48239CD",dev="wlan0-mesh_13",source="C68791D2",name="smpl-07889a"} 52729
node_scrape_collector_duration_seconds{collector="bmx7"} 0.0020999908447266
node_scrape_collector_success{collector="bmx7"} 1
prometheus-node-exporter-lua: bmx6/7 netjson format
adds labels called source and target to links instead of only the target
previously called "id".
Retrieving all *links* from prometheus now makes it easier to create
a valid netjson(.org) graph.
It's not feasible to use *instance* as *source* as for instance likely
the name is used for dns, instead of the ID. Using the *name* instead of
*id* for netjson linking results in a bad graph when two devices have
the same (default) hostname.
Signed-off-by: Paul Spooren <spooren@informatik.uni-leipzig.de>
This commit is contained in:
Paul Spooren
parent
faa8ce7690
commit
f7093021f9
3 changed files with 108 additions and 0 deletions
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@ -58,6 +58,18 @@ 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-bmx6
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$(call Package/prometheus-node-exporter-lua/Default)
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TITLE+= (bmx6 links collector)
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DEPENDS:=prometheus-node-exporter-lua bmx6 +lua-cjson +bmx6-json
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endef
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define Package/prometheus-node-exporter-lua-bmx7
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$(call Package/prometheus-node-exporter-lua/Default)
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TITLE+= (bmx7 links collector)
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DEPENDS:=prometheus-node-exporter-lua bmx7 +lua-cjson +bmx7-json
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endef
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Build/Compile=
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define Package/prometheus-node-exporter-lua/install
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@ -97,8 +109,20 @@ define Package/prometheus-node-exporter-lua-wifi_stations/install
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$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/wifi_stations.lua $(1)/usr/lib/lua/prometheus-collectors/
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endef
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define Package/prometheus-node-exporter-lua-bmx6/install
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$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
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$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/bmx6.lua $(1)/usr/lib/lua/prometheus-collectors/
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endef
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define Package/prometheus-node-exporter-lua-bmx7/install
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$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
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$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/bmx7.lua $(1)/usr/lib/lua/prometheus-collectors/
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endef
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$(eval $(call BuildPackage,prometheus-node-exporter-lua))
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$(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 $(call BuildPackage,prometheus-node-exporter-lua-bmx6))
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$(eval $(call BuildPackage,prometheus-node-exporter-lua-bmx7))
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@ -0,0 +1,39 @@
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#!/usr/bin/lua
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local json = require "cjson"
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local function interpret_suffix(rate)
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local value = string.sub(rate, 1, -2)
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local suffix = string.sub(rate, -1)
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if suffix == "K" then return tonumber(value) * 10^3 end
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if suffix == "M" then return tonumber(value) * 10^6 end
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if suffix == "G" then return tonumber(value) * 10^9 end
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return rate
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end
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local function scrape()
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local status = json.decode(get_contents("/var/run/bmx6/json/status")).status
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local labels = {
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version = status.version,
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id = status.name,
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address = status.primaryIp
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}
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metric("bmx6_status", "gauge", labels, 1)
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local links = json.decode(get_contents("/var/run/bmx6/json/links")).links
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local metric_bmx6_rxRate = metric("bmx6_link_rxRate","gauge")
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local metric_bmx6_txRate = metric("bmx6_link_txRate","gauge")
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for _, link in pairs(links) do
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local labels = {
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source = status.name,
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target = link.name,
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dev = link.viaDev
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}
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metric_bmx6_rxRate(labels, interpret_suffix(link.rxRate))
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metric_bmx6_txRate(labels, interpret_suffix(link.txRate))
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end
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end
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return { scrape = scrape }
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@ -0,0 +1,45 @@
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#!/usr/bin/lua
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local json = require "cjson"
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local function interpret_suffix(rate)
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if rate ~= nil then
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local value = string.sub(rate, 1, -2)
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local suffix = string.sub(rate, -1)
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if suffix == "K" then return tonumber(value) * 10^3 end
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if suffix == "M" then return tonumber(value) * 10^6 end
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if suffix == "G" then return tonumber(value) * 10^9 end
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end
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return rate
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end
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local function scrape()
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local status = json.decode(get_contents("/var/run/bmx7/json/status")).status
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local labels = {
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id = status.shortId,
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name = status.name,
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address = status.primaryIp,
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revision = status.revision,
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}
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metric("bmx7_status", "gauge", labels, 1)
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metric("bmx7_cpu_usage", "gauge", nil, status.cpu)
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metric("bmx7_mem_usage", "gauge", nil, interpret_suffix(status.mem))
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local links = json.decode(get_contents("/var/run/bmx7/json/links")).links
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local metric_bmx7_rxRate = metric("bmx7_link_rxRate","gauge")
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local metric_bmx7_txRate = metric("bmx7_link_txRate","gauge")
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for _, link in pairs(links) do
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local labels = {
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source = status.shortId,
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target = link.shortId,
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name = link.name,
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dev = link.dev
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}
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metric_bmx7_rxRate(labels, interpret_suffix(link.rxRate))
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metric_bmx7_txRate(labels, interpret_suffix(link.txRate))
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end
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end
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return { scrape = scrape }
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