/usr/local/openresty/nginx/conf/nginx.conf
location = /api/loadaverage {
add_header 'Content-Type' 'text/plain';
content_by_lua_block {
local file = "/proc/loadavg"
local f = io.open(file, "rb")
if f == nil then
ngx.say()
return
end
local content = f:read("*all")
f:close()
local l = string.sub( content, 1, 14 )
ngx.say(l)
}
}
Example: http://162.250.190.40/api/loadaverage
1.15 1.26 0.59
