68 lines
2.2 KiB
Nix
68 lines
2.2 KiB
Nix
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{ config, lib, pkgs, ... }:
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let
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isVM = lib.any (mod: mod == "xen-blkfront" || mod == "virtio_console") config.boot.initrd.kernelModules;
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in {
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krebs.iptables.tables.filter.INPUT.rules = [
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{ predicate = "-i retiolum -p tcp --dport 9273"; target = "ACCEPT"; }
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];
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systemd.services.telegraf.path = [ pkgs.nvme-cli ];
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services.telegraf = {
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enable = true;
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extraConfig = {
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agent.interval = "60s";
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inputs = {
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prometheus.metric_version = 2;
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kernel_vmstat = { };
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# smart = lib.mkIf (!isVM) {
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# path = pkgs.writeShellScript "smartctl" ''
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# exec /run/wrappers/bin/sudo ${pkgs.smartmontools}/bin/smartctl "$@"
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# '';
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# };
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system = { };
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mem = { };
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file = [{
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data_format = "influx";
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file_tag = "name";
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files = [ "/var/log/telegraf/*" ];
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}] ++ lib.optional (lib.any (fs: fs == "ext4") config.boot.supportedFilesystems) {
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name_override = "ext4_errors";
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files = [ "/sys/fs/ext4/*/errors_count" ];
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data_format = "value";
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};
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exec = lib.optionalAttrs (lib.any (fs: fs == "zfs") config.boot.supportedFilesystems) {
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## Commands array
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commands = [
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(pkgs.writeScript "zpool-health" ''
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#!${pkgs.gawk}/bin/awk -f
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BEGIN {
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while ("${pkgs.zfs}/bin/zpool status" | getline) {
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if ($1 ~ /pool:/) { printf "zpool_status,name=%s ", $2 }
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if ($1 ~ /state:/) { printf " state=\"%s\",", $2 }
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if ($1 ~ /errors:/) {
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if (index($2, "No")) printf "errors=0i\n"; else printf "errors=%di\n", $2
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}
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}
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}
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'')
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];
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data_format = "influx";
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};
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systemd_units = { };
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swap = { };
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disk.tagdrop = {
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fstype = [ "tmpfs" "ramfs" "devtmpfs" "devfs" "iso9660" "overlay" "aufs" "squashfs" ];
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device = [ "rpc_pipefs" "lxcfs" "nsfs" "borgfs" ];
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};
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diskio = { };
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};
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outputs.prometheus_client = {
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listen = ":9273";
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metric_version = 2;
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};
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};
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};
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}
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