88 lines
2.4 KiB
Nix
88 lines
2.4 KiB
Nix
{pkgs, config, ...}:
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with import <stockholm/lib>;
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{
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services.influxdb.enable = true;
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services.influxdb.extraConfig = {
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meta.hostname = config.krebs.build.host.name;
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# meta.logging-enabled = true;
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http.bind-address = ":8086";
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admin.bind-address = ":8083";
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http.log-enabled = false;
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monitoring = {
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enabled = false;
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# write-interval = "24h";
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};
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collectd = [{
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enabled = true;
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typesdb = "${pkgs.collectd}/share/collectd/types.db";
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database = "collectd_db";
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port = 25826;
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}];
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};
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krebs.kapacitor =
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let
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db = "telegraf_db";
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echoToIrc = pkgs.writeDash "echo_irc" ''
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set -euf
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data="$(${pkgs.jq}/bin/jq -r .message)"
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export LOGNAME=prism-alarm
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${pkgs.irc-announce}/bin/irc-announce \
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ni.r 6667 prism-alarm \#noise "$data" >/dev/null
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'';
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in {
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enable = true;
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alarms = {
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cpu = {
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database = db;
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text = ''
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var data = batch
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|query(${"'''"}
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SELECT mean("usage_user") AS mean
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FROM "${db}"."default"."cpu"
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${"'''"})
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.period(10m)
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.every(1m)
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.groupBy('host')
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data |alert()
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.crit(lambda: "mean" > 90)
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.exec('${echoToIrc}')
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data |deadman(1.0,5m)
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.stateChangesOnly()
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.exec('${echoToIrc}')
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'';
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};
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ram = {
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database = db;
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text = ''
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var data = batch
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|query(${"'''"}
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SELECT mean("used_percent") AS mean
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FROM "${db}"."default"."mem"
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${"'''"})
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.period(10m)
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.every(1m)
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.groupBy('host')
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data |alert()
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.crit(lambda: "mean" > 90)
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.exec('${echoToIrc}')
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'';
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};
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};
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};
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services.grafana = {
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enable = true;
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addr = "0.0.0.0";
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auth.anonymous.enable = true;
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security = import <secrets/grafana_security.nix>; # { AdminUser = ""; adminPassword = ""}
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};
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krebs.iptables.tables.filter.INPUT.rules = [
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{ predicate = "-p tcp -i retiolum --dport 8086"; target = "ACCEPT"; }
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{ predicate = "-p tcp -i retiolum --dport 3000"; target = "ACCEPT"; }
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{ predicate = "-p udp -i retiolum --dport 25826"; target = "ACCEPT"; }
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];
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}
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