Files
kubeinvaders/scripts/metrics.lua
Eugenio Marzo d8c4eeb62e fix logs tail
2023-01-12 18:31:45 +01:00

47 lines
1.7 KiB
Lua

local redis = require "resty.redis"
local arg = ngx.req.get_uri_args()
local incr = 0
-- TO DO put all metrics into this metrics.lua. Actually in pod.lua are written other metrics in Redis
if ngx.var.request_method == "GET" and string.match(ngx.var.request_uri, "^.*/chaos[-]node.*$") then
ngx.log(ngx.INFO, "[kinv][get-metrics] Find metrics ^.*/chaos[-]node.*$ in Redis")
local red = redis:new()
local okredis, errredis = red:connect("unix:/tmp/redis.sock")
if okredis then
ngx.log(ngx.INFO, "Connection to Redis is ok")
else
ngx.log(ngx.INFO, "Connection to Redis is not ok")
ngx.log(ngx.INFO, errredis)
end
-- Count the total of chaos jobs launched against nodes
local chaos_node_res, err = red:get("chaos_node_jobs_total")
if chaos_node_res == ngx.null then
ngx.say(err)
red:set("chaos_node_jobs_total", 1)
else
local incr = chaos_node_res + 1
local res, err = red:set("chaos_node_jobs_total",incr)
end
-- Count the total of chaos jobs launched against nodes per node
local node_name = arg['node_name']
local chaos_node_res, err = red:get("chaos_node_jobs_total_on_" .. node_name)
if chaos_node_res == ngx.null then
ngx.say(err)
red:set("chaos_node_jobs_total_on_" .. node_name, 1)
else
local incr = chaos_node_res + 1
local res, err = red:set("chaos_node_jobs_total_on_" .. node_name,incr)
end
elseif ngx.var.request_method == "GET" and ngx.var.request_uri == "/metrics" then
ngx.log(ngx.INFO, "[kinv][get-metrics] Find metrics globally in Redis")
for i, res in ipairs(red:keys("*")) do
ngx.log(ngx.INFO, "[kinv][get-metrics] Sending this res: " .. res)
ngx.say(res .. " " .. red:get(res))
end
end