83 lines
2.4 KiB
Nix
83 lines
2.4 KiB
Nix
{ pkgs, ... }:
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let
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sendEmailEvent = { event }: ''
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printf "Subject: phoenix ${event} ''$(${pkgs.coreutils}/bin/date --iso-8601=seconds)\n\nzpool status:\n\n''$(${pkgs.zfs}/bin/zpool status)" | ${pkgs.msmtp}/bin/msmtp -a default ciapa@lewd.wtf
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'';
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in
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{
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# ZFS remote unlocking
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boot.initrd.availableKernelModules = [ "igb" ];
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boot.kernelParams = [
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"ip=192.168.0.42::192.168.0.1:255.255.252.0:phoenix-initrd:eno2:off:192.168.0.1"
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];
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boot.initrd.network = {
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enable = true;
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ssh = {
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enable = true;
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port = 2222;
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hostKeys = [
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/boot-1/initrd-ssh-key
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/boot-2/initrd-ssh-key
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];
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authorizedKeys = [ config.users.users.root.openssh.authorizedKeys.keys ];
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};
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postCommands = ''
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cat <<EOF > /root/.profile
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if pgrep -x "zfs" > /dev/null
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then
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zfs load-key zroot
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zpool import -f zbigdata
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zfs load-key zbigdata
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zpool import -f zvault
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zfs load-key zvault
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killall zfs
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else
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echo "zfs not running -- maybe the pool is taking some time to load for some unforseen reason."
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fi
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EOF
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'';
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};
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# ZFS options from https://nixos.wiki/wiki/NixOS_on_ZFS
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networking.hostId = "42069420";
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boot.supportedFilesystems = [ "zfs" ];
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# ZFS notifications
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services.zfs.zed.enableMail = true;
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services.zfs.zed.settings = {
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ZED_EMAIL_ADDR = [ "ciapa@lewd.wtf" ];
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ZED_EMAIL_OPTS = "-a 'FROM:phoenix@lewd.wtf' -s '@SUBJECT@' @ADDRESS@";
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ZED_NOTIFY_VERBOSE = true;
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};
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# Timed status mails (Boot, Shutdown, Weekly)
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systemd.services."boot-mail-alert" = {
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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};
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script = sendEmailEvent { event = "just booted"; };
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};
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systemd.services."shutdown-mail-alert" = {
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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};
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script = "true";
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preStop = sendEmailEvent { event = "is shutting down"; };
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};
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systemd.services."weekly-mail-alert" = {
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serviceConfig.Type = "oneshot";
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script = sendEmailEvent { event = "is still alive"; };
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};
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systemd.timers."weekly-mail-alert" = {
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wantedBy = [ "timers.target" ];
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partOf = [ "weekly-mail-alert.service" ];
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timerConfig.OnCalendar = "weekly";
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};
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}
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