From 5dbb36955870955f643c89d65430d2440e747e3a Mon Sep 17 00:00:00 2001 From: lassulus Date: Sun, 5 Sep 2021 20:22:06 +0200 Subject: l prism.r: add telegraf.nix --- lass/1systems/prism/config.nix | 3 +- lass/2configs/telegraf.nix | 67 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 69 insertions(+), 1 deletion(-) create mode 100644 lass/2configs/telegraf.nix (limited to 'lass') diff --git a/lass/1systems/prism/config.nix b/lass/1systems/prism/config.nix index 421afab2a..6ce4332da 100644 --- a/lass/1systems/prism/config.nix +++ b/lass/1systems/prism/config.nix @@ -7,11 +7,12 @@ with import ; + + { services.nginx.enable = true; imports = [ - ]; # needed by domsen.nix ^^ lass.usershadow = { diff --git a/lass/2configs/telegraf.nix b/lass/2configs/telegraf.nix new file mode 100644 index 000000000..4f46cd721 --- /dev/null +++ b/lass/2configs/telegraf.nix @@ -0,0 +1,67 @@ +{ 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 = { + 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; + }; + }; + }; +} -- cgit v1.2.3