Commit graph

10 commits

Author SHA1 Message Date
Etienne Champetier
ea5b7492fe prometheus-node-exporter-lua: rework cpu collector
replace 2 string.match and 1 string.gmatch (space_split)
by 1 string.match

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
ed7d60d871 prometheus-node-exporter-lua: use io.lines(), remove line_split
Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
fba739d32d prometheus-node-exporter-lua: put wifi collector in 2 separate packages
this allow to remove libubus-lua/libiwinfo-lua dependency from main package
this also allow to have different scrape_interval

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

split stations

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
32e1baeddd prometheus-node-exporter-lua: make it modular
As prometheus-node-exporter-lua is a reimplementation of node_exporter,
I'm using "collector" instead of "scraper" and renaming some collectors

put each collector in a separate file

report collector success/failure and duration per scrape
(follow https://github.com/prometheus/node_exporter/pull/516)

allow to filter collectors using "collect[]" params
(see https://github.com/prometheus/node_exporter#filtering-enabled-collectors)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
7b1b69ca6c prometheus-node-exporter-lua: rewrite wifi scraper
On my bullet m2, scrape duration goes from between 0.2 and 0.5 to a stable 0.025
We also don't depend on luci anymore

This remove wifi_network_up metric, but this metric was buggy
wifi_network_up{ifname="wlan0-1",ssid="test1",channel="11",mode="Master",bssid="12:34:56:78:9A:BC",country="FR",frequency="2.462"} 1
wifi_network_up{ifname="radio0.network2",ssid="test1",channel="11",mode="Master",country="US",frequency="2.462"} 0

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
747f4ce7af prometheus-node-exporter-lua: fix nat scraper
Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
58c136a521 prometheus-node-exporter-lua: improve node_uname_info
Testing on a bullet m2, uname collector was taking on average 0.12
it now takes 0.0007

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
c79e75d0c1 prometheus-node-exporter-lua: respond with HTTP/1.0
also reduce calls to output()

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Etienne Champetier
4e94edce51 prometheus-node-exporter-lua: send stdout/stderr to logread
Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2017-12-08 21:22:16 -08:00
Christian Simon
d27d9e566a prometheus-node-exporter-lua: adds node metrics exporter
Signed-off-by: Christian Simon <simon@swine.de>
2017-05-08 14:27:43 +01:00