skynet-webportal/docker/nginx/conf.d/include/track-registry

log_by_lua_block {
    local skynet_account = require("skynet.account")

    -- tracking runs only when request comes from authenticated user
    if skynet_account.is_authenticated() then
        local function track(premature, request_method, auth_headers)
            if premature then return end

            local httpc = require("resty.http").new()

            -- based on request method we assign a registry action string used
            -- in track endpoint namely "read" for GET and "write" for POST
            local registry_action = request_method == "GET" and "read" or "write"

            -- 10.10.10.70 points to accounts service (alias not available when using resty-http)
            local res, err = httpc:request_uri("http://10.10.10.70:3000/track/registry/" .. registry_action, {
                method = "POST",
                headers = auth_headers,
            })

            if err or (res and res.status ~= ngx.HTTP_NO_CONTENT) then
                local error_response = err or ("[HTTP " .. res.status .. "] " .. res.body)
                ngx.log(ngx.ERR, "Failed accounts service request /track/registry/" .. registry_action .. ": ", error_response)
            end
        end

        if ngx.status == ngx.HTTP_OK or ngx.status == ngx.HTTP_NOT_FOUND then
            local auth_headers = skynet_account.get_auth_headers()
            local ok, err = ngx.timer.at(0, track, ngx.req.get_method(), auth_headers)
            if err then ngx.log(ngx.ERR, "Failed to create timer: ", err) end
        end
    end
}