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prometheus: beginnings

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This commit is contained in:
Motiejus Jakštys 2023-08-05 18:28:59 +03:00
parent f4e04faef3
commit 665e79a984
3 changed files with 48 additions and 6 deletions
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8
data.nix
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@ -7,6 +7,14 @@ rec {
updaterbot-deployee = 502;
};
ports = {
grafana = 3000;
prometheus = 9001;
exporters = {
node = 9002;
};
};
people_pubkeys = {
motiejus = "ssh-rsa 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";
};

42
hosts/vno1-oh2/configuration.nix
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@ -63,6 +63,9 @@
};
services = {
# TODO move to grafana service lib
friendlyport.ports = [myData.ports.grafana];
deployerbot = {
main = {
enable = true;
@ -106,11 +109,40 @@
services = {
tailscale.enable = true;
#grafana = {
# enable = true;
# domain = "vno1-oh2.servers.jakst"; # TODO tailscale service?
# addr = myData.hosts."vno1-oh2.servers.jakst".jakstIP;
#};
grafana = {
enable = true;
settings = {
server = {
# TODO tailscale service?
domain = "${config.networking.hostName}.${config.networking.domain}";
http_addr = myData.hosts."${config.networking.hostName}.${config.networking.domain}".jakstIP;
http_port = myData.ports.grafana;
};
};
};
prometheus = {
enable = true;
port = myData.ports.prometheus;
exporters = {
node = {
enable = true;
enabledCollectors = ["systemd"];
port = myData.ports.exporters.node;
};
};
scrapeConfigs = [
{
job_name = "${config.networking.hostName}.${config.networking.domain}";
static_configs = [
{
targets = ["127.0.0.1:${toString config.services.prometheus.exporters.node.port}"];
}
];
}
];
};
nsd = {
enable = true;

4
modules/services/friendlyport/default.nix
View File

@ -16,7 +16,9 @@
hosts = lib.attrVals ["mxp10.motiejus.jakst" "fwmine.motiejus.jakst"] myData.hosts;
ips = lib.catAttrs "jakstIP" hosts;
startLines = map (ip: "iptables -A INPUT -p tcp --match multiport --dports ${ports} --source ${ip} -j ACCEPT") ips;
stopLines = map (ip: "iptables -D INPUT -p tcp --match multiport --dports ${ports} --source ${ip} -j ACCEPT") ips;
# TODO: when stopping the firewall, systemd uses the old ports. So this is a two-phase process.
# How to stop the old one and start the new one?
stopLines = map (ip: "iptables -D INPUT -p tcp --match multiport --dports ${ports} --source ${ip} -j ACCEPT || :") ips;
in {
networking.firewall.extraCommands = lib.concatLines startLines;
networking.firewall.extraStopCommands = lib.concatLines stopLines;