annotate mod_statistics_statsd/mod_statistics_statsd.lua @ 4250:8b489203e4d3

mod_rest: Ensure no attempt is made to reply to an error stanza Previously it was possible to return an error reply from a callback.
author Kim Alvefur <zash@zash.se>
date Sun, 15 Nov 2020 16:29:48 +0100
parents 98a186874806
children
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b59812aaabad mod_statistics_statsd: Module for pushing from util.statistics (0.10) to statsd
Matthew Wild <mwild1@gmail.com>
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1 local statsmanager = require "core.statsmanager";
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2 local udp = require "socket".udp();
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4 local server = module:get_option_string("statsd_server_ip", "127.0.0.1");
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5 local server_port = module:get_option_number("statsd_server_port", 8124);
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6 local max_datagram_size = module:get_option_number("statds_packet_size", 512);
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8 function push_stats(stats, meta)
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9 local metric_strings, remaining_bytes = {}, max_datagram_size;
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10 for name, value in pairs(stats) do
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11 local value_meta = meta[name];
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98a186874806 mod_statistics_statsd: Use module:log()
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12 module:log("warn", "%s %s", name, tostring(value_meta));
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13 --if not value_meta then
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14 -- Simple value (gauge)
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15 local metric_string = ("%s|%d|g"):format(name, value);
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16 if #metric_string > remaining_bytes then
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17 udp:sendto(table.concat(metric_strings, "\n"), server, server_port);
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18 metric_strings, remaining_bytes = {}, max_datagram_size;
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19 end
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20 table.insert(metric_strings, metric_string);
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21 remaining_bytes = remaining_bytes - (#metric_string + 1); -- +1 for newline
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22 --end
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23 end
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24 if #metric_strings > 0 then
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25 udp:sendto(table.concat(metric_strings, "\n"), server, server_port);
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26 end
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27 end
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29 module:hook_global("stats-updated", function (event)
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30 push_stats(event.changed_stats, event.stats_extra);
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31 end);
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33 function module.load()
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34 local all, changed, extra = statsmanager.get_stats();
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35 push_stats(all, extra);
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36 end