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nixfiles/hosts/monitoring-3/configuration.nix

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{ config, pkgs, lib, ... }:
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with lib;
let
hosts = (import ../../lib/hosts.nix { inherit pkgs; }).hosts;
monitoringHosts = filterAttrs (name: host:
attrByPath ["clerie" "monitoring" "enable"] false host.config)
hosts;
monitoringHostsNames = mapAttrs' (name: host:
nameValuePair "fd00:327:327:327::${host.config.clerie.monitoring.id}" ["${host.config.networking.hostName}.mon.clerie.de"])
monitoringHosts;
monitoringPeers = mapAttrsToList (name: host: {
allowedIPs = [ "fd00:327:327:327::${host.config.clerie.monitoring.id}/128" ];
publicKey = host.config.clerie.monitoring.pubkey;
})
monitoringHosts;
monitoringTargets = mapAttrsToList (name: host:
"${host.config.networking.hostName}.mon.clerie.de:9100")
monitoringHosts;
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birdMonitoringTargets = mapAttrsToList (name: host:
"${host.config.networking.hostName}.mon.clerie.de:9324")
(filterAttrs (name: host:
attrByPath ["clerie" "monitoring" "bird"] false host.config)
monitoringHosts);
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in {
imports =
[
./hardware-configuration.nix
../../configuration/common
../../configuration/proxmox-vm
];
boot.loader.grub.enable = true;
boot.loader.grub.version = 2;
boot.loader.grub.device = "/dev/sda";
networking.hostName = "monitoring-3";
networking.useDHCP = false;
networking.interfaces.ens18.ipv4.addresses = [ { address = "192.168.10.32"; prefixLength = 24; } ];
networking.interfaces.ens19.ipv6.addresses = [ { address = "2001:638:904:ffca::7"; prefixLength = 64; } ];
networking.defaultGateway = { address = "192.168.10.1"; interface = "ens18"; };
networking.defaultGateway6 = { address = "2001:638:904:ffca::1"; interface = "ens19"; };
networking.nameservers = [ "2001:638:904:ffcc::3" "2001:638:904:ffcc::4" "141.24.40.3" "141.24.40.4" ];
networking.hosts = {
"::1" = [ "monitoring-3.mon.clerie.de" ]; # fd00:327:327:327::1
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}
// monitoringHostsNames;
networking.wireguard.enable = true;
networking.wireguard.interfaces = {
wg-monitoring = {
ips = [ "fd00:327:327:327::1/64" ];
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listenPort = 54523;
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peers = monitoringPeers;
privateKeyFile = "/var/src/secrets/wireguard/wg-monitoring";
};
};
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networking.firewall.allowedUDPPorts = [ 54523 ];
services.prometheus.exporters.node.enable = true;
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services.prometheus.exporters.smokeping = {
enable = true;
listenAddress = "[::1]";
port = 9374;
hosts = [
"clerie.de"
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"fluorine.net.clerie.de"
"www.fem.tu-ilmenau.de"
"www.heise.de"
"212.218.154.100" # ie10-ffm1
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"matrix.bau-ha.us"
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];
};
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services.prometheus.xmpp-alerts = {
enable = true;
settings = {
jid = "feuer@fem-net.de";
password_command = "cat /var/src/secrets/xmpp-alert/password";
listen_address = "::1";
listen_port = 9199;
to_jid = "clerie@fem-net.de";
format = "short";
};
};
services.prometheus.alertmanager = {
enable = true;
listenAddress = "[::1]";
port = 9093;
configuration = {
route = {
receiver = "xmpp-receiver";
group_by = [ "instance" ];
};
receivers = [
{
name = "xmpp-receiver";
webhook_configs = [
{
url = "http://[::1]:9199/alert";
}
];
}
];
};
};
services.prometheus = {
enable = true;
listenAddress = "[::1]";
scrapeConfigs = [
{
job_name = "prometheus";
scrape_interval = "20s";
scheme = "http";
static_configs = [
{
targets = [
"monitoring-3.mon.clerie.de:9090"
];
}
];
}
{
job_name = "node-exporter";
scrape_interval = "20s";
static_configs = [
{
targets = [
"monitoring-3.mon.clerie.de:9100"
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]
++ monitoringTargets;
}
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];
}
{
job_name = "bird-exporter";
scrape_interval = "20s";
static_configs = [
{
targets = birdMonitoringTargets;
}
];
}
{
job_name = "zimmer-temp";
scrape_interval = "20s";
scheme = "https";
metrics_path = "/data/zimmer-temp/";
static_configs = [
{
targets = [
"iot-data.clerie.de"
];
}
];
}
{
job_name = "outdoor-temp";
scrape_interval = "20s";
scheme = "https";
metrics_path = "/data/outdoor-temp/";
static_configs = [
{
targets = [
"iot-data.clerie.de"
];
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}
];
}
{
job_name = "xmpp-alerts";
scrape_interval = "20s";
static_configs = [
{
targets = [
"monitoring-3.mon.clerie.de:9199"
];
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}
];
}
{
job_name = "smokeping";
scrape_interval = "20s";
static_configs = [
{
targets = [
"monitoring-3.mon.clerie.de:9374"
];
}
];
}
];
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alertmanagers = [
{
static_configs = [ {
targets = [
"[::1]:9093"
];
} ];
}
];
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rules = [ (readFile ./rules.yml) ];
};
services.grafana = {
enable = true;
domain = "grafana.monitoring.clerie.de";
rootUrl = "https://grafana.monitoring.clerie.de";
port = 3001;
addr = "::1";
auth.anonymous.enable = true;
provision = {
enable = true;
datasources = [
{
type = "prometheus";
name = "Prometheus";
url = "http://[::1]:9090";
isDefault = true;
}
];
dashboards = [
{
options.path = ./dashboards;
}
];
};
};
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users.users.uptimestatus = {
description = "Uptime Status Service";
group = "uptimestatus";
home = "/var/lib/uptimestatus/";
useDefaultShell = true;
isSystemUser = true;
};
users.groups.uptimestatus = {};
systemd.services.uptimestatus = {
wantedBy = [ "multi-user.target" ];
serviceConfig = {
RuntimeDirectory = "uptimestatus";
StateDirectory = "uptimestatus";
User = "uptimestatus";
Group = "uptimestatus";
};
script = "gunicorn -w 4 -b [::1]:8235 uptimestatus:app";
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path = with pkgs; [ (python3.withPackages (ps: [ ps.gunicorn uptimestatus ])) ];
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};
services.nginx = {
enable = true;
virtualHosts = {
"prometheus.monitoring.clerie.de" = {
enableACME = true;
forceSSL = true;
locations."/".proxyPass = "http://[::1]:9090/";
};
"grafana.monitoring.clerie.de" = {
enableACME = true;
forceSSL = true;
locations."/".proxyPass = "http://[::1]:3001/";
};
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"status.monitoring.clerie.de" = {
enableACME = true;
forceSSL = true;
locations."/".proxyPass = "http://[::1]:8235/";
};
};
};
networking.firewall.allowedTCPPorts = [ 80 443 ];
system.stateVersion = "21.03";
}