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-rw-r--r--lass/2configs/monitoring/telegraf.nix72
1 files changed, 72 insertions, 0 deletions
diff --git a/lass/2configs/monitoring/telegraf.nix b/lass/2configs/monitoring/telegraf.nix
new file mode 100644
index 000000000..5258b87ed
--- /dev/null
+++ b/lass/2configs/monitoring/telegraf.nix
@@ -0,0 +1,72 @@
+{ config, lib, pkgs, ... }:
+let
+ isVM = lib.any (mod: mod == "xen-blkfront" || mod == "virtio_console") config.boot.initrd.kernelModules;
+in {
+
+ krebs.iptables.tables.filter.INPUT.rules = [
+ { predicate = "-i retiolum -p tcp --dport 9273"; target = "ACCEPT"; }
+ ];
+
+ systemd.services.telegraf.path = [ pkgs.nvme-cli ];
+
+ services.telegraf = {
+ enable = true;
+ extraConfig = {
+ agent.interval = "60s";
+ inputs = {
+ http_response = [
+ { urls = [
+ "http://localhost:8080/about/health/"
+ ]; }
+ ];
+ prometheus.metric_version = 2;
+ kernel_vmstat = { };
+ # smart = lib.mkIf (!isVM) {
+ # path = pkgs.writeShellScript "smartctl" ''
+ # exec /run/wrappers/bin/sudo ${pkgs.smartmontools}/bin/smartctl "$@"
+ # '';
+ # };
+ system = { };
+ mem = { };
+ file = [{
+ data_format = "influx";
+ file_tag = "name";
+ files = [ "/var/log/telegraf/*" ];
+ }] ++ lib.optional (lib.any (fs: fs == "ext4") config.boot.supportedFilesystems) {
+ name_override = "ext4_errors";
+ files = [ "/sys/fs/ext4/*/errors_count" ];
+ data_format = "value";
+ };
+ exec = lib.optionalAttrs (lib.any (fs: fs == "zfs") config.boot.supportedFilesystems) {
+ ## Commands array
+ commands = [
+ (pkgs.writeScript "zpool-health" ''
+ #!${pkgs.gawk}/bin/awk -f
+ BEGIN {
+ while ("${pkgs.zfs}/bin/zpool status" | getline) {
+ if ($1 ~ /pool:/) { printf "zpool_status,name=%s ", $2 }
+ if ($1 ~ /state:/) { printf " state=\"%s\",", $2 }
+ if ($1 ~ /errors:/) {
+ if (index($2, "No")) printf "errors=0i\n"; else printf "errors=%di\n", $2
+ }
+ }
+ }
+ '')
+ ];
+ data_format = "influx";
+ };
+ systemd_units = { };
+ swap = { };
+ disk.tagdrop = {
+ fstype = [ "tmpfs" "ramfs" "devtmpfs" "devfs" "iso9660" "overlay" "aufs" "squashfs" ];
+ device = [ "rpc_pipefs" "lxcfs" "nsfs" "borgfs" ];
+ };
+ diskio = { };
+ };
+ outputs.prometheus_client = {
+ listen = ":9273";
+ metric_version = 2;
+ };
+ };
+ };
+}