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