+++ /dev/null
-{ config, pkgs, lib, ... }:
-{
- deployment = {
- targetUser = "root";
- targetHost = config.hostEnv.ips.main.ip4;
- substituteOnDestination = true;
- };
- # ssh-keyscan eldiron | nix-shell -p ssh-to-age --run ssh-to-age
- secrets.ageKeys = [ "age1dxr5lhvtnjssfaqpnf6qx80h8gfwkxg3tdf35m6n9wljmk7wadfs3kmahj" ];
- boot = {
- kernelModules = [ "kvm-intel" ];
- blacklistedKernelModules = [ "nvidiafb" ];
- loader.timeout = 1;
- loader.grub.devices = [ "/dev/sda" "/dev/sdb" ];
- kernel.sysctl = {
- # https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md
- "net.ipv4.tcp_sack" = 0;
- };
- supportedFilesystems = [ "zfs" ];
- kernelParams = ["zfs.zfs_arc_max=6442450944"];
- kernelPackages = pkgs.linuxPackages_latest;
- initrd.availableKernelModules = [ "ahci" "sd_mod" ];
- initrd.secrets = {
- "/boot/pass.key" = "/boot/pass.key";
- };
- };
- services.udev.extraRules = ''
- ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="c8:60:00:56:a0:88", NAME="eth0"
- '';
- nix.maxJobs = 8;
- powerManagement.cpuFreqGovernor = "powersave";
- myEnv = import ../../../nixops/secrets/environment.nix;
-
- fileSystems = {
- # pools:
- # zpool: ashift=12
- # zfast: ashift=12
- # zfs:
- # zpool/: acltype=posixacl ; xattr=sa ; atime=off ; mountpoint=legacy
- # zpool/root: encryption=on ; keyformat=passphrase ; keylocation=file:///boot/pass.key
- # zpool/root/var: atime=on
- # zfast/: acltype=posixacl ; xattr=sa ; atime=off ; mountpoint=legacy
- # zfast/root: encryption=on ; keyformat=passphrase ; keylocation=file:///boot/pass.key
- # zfast/root/etc: ø
- # zfast/root/nix: ø
- # zfast/root/tmp: async=disabled
- # zfast/root/var: atime=on
- # zfast/root/var/lib: ø
- # zfast/root/var/lib/mysql: logbias=throughput ; atime=off ; primarycache=metadata
- # zfast/root/var/lib/postgresql: recordsize=8K ; atime=off ; logbias=throughput
- # zfast/root/var/lib/postgresql/11.0: ø
- # zfast/root/var/lib/postgresql/11.0/pg_wal: ø
- "/" = { fsType = "zfs"; device = "zpool/root"; };
- "/boot" = { fsType = "ext4"; device = "/dev/disk/by-uuid/e6bb18fb-ff56-4b5f-ae9f-e60d40dc0622"; };
- "/etc" = { fsType = "zfs"; device = "zpool/root/etc"; };
- "/nix" = { fsType = "zfs"; device = "zfast/root/nix"; };
- "/tmp" = { fsType = "zfs"; device = "zfast/root/tmp"; };
- "/var" = { fsType = "zfs"; device = "zpool/root/var"; };
- "/var/lib/mysql" = { fsType = "zfs"; device = "zfast/root/var/lib/mysql"; };
- "/var/lib/postgresql" = { fsType = "zfs"; device = "zfast/root/var/lib/postgresql"; };
- "/var/lib/postgresql/11.0" = { fsType = "zfs"; device = "zfast/root/var/lib/postgresql/11.0"; };
- "/var/lib/postgresql/11.0/pg_wal" = { fsType = "zfs"; device = "zfast/root/var/lib/postgresql/11.0/pg_wal"; };
- };
- swapDevices = [ { label = "swap1"; } { label = "swap2"; } ];
- hardware.enableRedistributableFirmware = true;
-
- services.zfs = {
- autoScrub = {
- enable = false;
- };
- };
- networking = {
- hostId = "8262ca33"; # generated with head -c4 /dev/urandom | od -A none -t x4
- firewall.enable = true;
- # FIXME: on next reboot, remove the /27 and the localCommands
- interfaces."eth0".ipv4.addresses =
- pkgs.lib.attrsets.mapAttrsToList
- (n: ips: { address = ips.ip4; prefixLength = 32; })
- (pkgs.lib.attrsets.filterAttrs (n: v: n != "main") config.hostEnv.ips)
- ++ [ { address = config.hostEnv.ips.main.ip4; prefixLength = 27; } ];
- interfaces."eth0".ipv6.addresses = pkgs.lib.flatten (pkgs.lib.attrsets.mapAttrsToList
- (n: ips: map (ip: { address = ip; prefixLength = (if n == "main" && ip == pkgs.lib.head ips.ip6 then 64 else 128); }) (ips.ip6 or []))
- config.hostEnv.ips);
- defaultGateway = "176.9.151.65";
- localCommands = ''
- # FIXME: Those commands were added by nixops and may not be
- # actually needed
- ip -6 addr add '2a01:4f8:160:3445::/64' dev 'eth0' || true
- ip -4 route change '176.9.151.64/27' via '176.9.151.65' dev 'eth0' || true
- ip -6 route add default via 'fe80::1' dev eth0 || true
- '';
- nameservers = [
- "213.133.98.98"
- "213.133.99.99"
- "213.133.100.100"
- "2a01:4f8:0:a0a1::add:1010"
- "2a01:4f8:0:a102::add:9999"
- "2a01:4f8:0:a111::add:9898"
- ];
- };
-
- imports = builtins.attrValues (import ../..);
-
- myServices.buildbot.enable = true;
- myServices.databases.enable = true;
- myServices.gitolite.enable = true;
- myServices.monitoring.enable = true;
- myServices.irc.enable = true;
- myServices.pub.enable = true;
- myServices.tasks.enable = true;
- myServices.mpd.enable = true;
- myServices.dns.enable = true;
- myServices.certificates.enable = true;
- myServices.websites.enable = true;
- myServices.gemini.enable = true;
- myServices.mail.enable = true;
- myServices.ejabberd.enable = true;
- myServices.vpn.enable = true;
- myServices.ftp.enable = true;
-
- services.netdata.enable = true;
- services.netdata.config.global."memory mode" = "none";
- services.netdata.config.health."enabled" = "no";
- services.netdata.config.web.mode = "none";
- users.users."${config.services.netdata.user}".extraGroups = [ "keys" ];
- environment.etc."netdata/stream.conf".source = config.secrets.fullPaths."netdata-stream.conf";
- secrets.keys = {
- "netdata-stream.conf" = {
- user = config.services.netdata.user;
- group = config.services.netdata.group;
- permissions = "0400";
- text = ''
- [stream]
- enabled = yes
- destination = ${config.myEnv.monitoring.netdata_aggregator}
- api key = ${config.myEnv.monitoring.netdata_keys.eldiron}
- '';
- };
- "zrepl_backup/identity" = {
- user = "root";
- group = "root";
- permissions = "0400";
- text = config.myEnv.zrepl_backup.ssh_key.private;
- };
- };
- programs.ssh.knownHosts.dilion = {
- hostNames = ["dilion.immae.eu"];
- publicKey = let
- profile = config.myEnv.rsync_backup.profiles.dilion;
- in
- "${profile.host_key_type} ${profile.host_key}";
- };
-
- services.cron = {
- enable = true;
- mailto = "cron@immae.eu";
- systemCronJobs = [
- ''
- 0 0 * * * root journalctl -q --since="25 hours ago" -u postfix -t postfix/smtpd -g "immae.eu.*Recipient address rejected"
- # Need a way to blacklist properly
- # 0 0 * * * root journalctl -q --since="25 hours ago" -u postfix -t postfix/smtpd -g "NOQUEUE:"
- 0 0 * * * root journalctl -q --since="25 hours ago" -u postfix -t postfix/smtp -g "status=bounced"
- ''
- ];
- };
-
- environment.systemPackages = [ pkgs.bindfs ];
-
- services.zrepl = {
- enable = true;
- config = let
- redis_dump = pkgs.writeScript "redis-dump" ''
- #! ${pkgs.stdenv.shell}
- ${pkgs.redis}/bin/redis-cli bgsave
- '';
- in ''
- jobs:
- - type: push
- # must not change
- name: "backup-to-dilion"
- filesystems:
- "zpool/root": true
- "zpool/root/etc": true
- "zpool/root/var<": true
- connect:
- type: ssh+stdinserver
- host: dilion.immae.eu
- user: backup
- port: 22
- identity_file: ${config.secrets.fullPaths."zrepl_backup/identity"}
- snapshotting:
- type: periodic
- prefix: zrepl_
- interval: 1h
- #hooks:
- # - type: mysql-lock-tables
- # dsn: "${config.myEnv.zrepl_backup.mysql.user}:${config.myEnv.zrepl_backup.mysql.password}@tcp(localhost)/"
- # filesystems:
- # "zpool/root/var": true
- # - type: command
- # path: ${redis_dump}
- # err_is_fatal: false
- # filesystems:
- # "zpool/root/var": true
- send:
- encrypted: true
- pruning:
- keep_sender:
- - type: regex
- regex: "^manual_.*"
- - type: grid
- grid: 24x1h | 7x1d | 4x7d | 6x30d
- regex: "^zrepl_.*"
- keep_receiver:
- - type: regex
- regex: "^manual_.*"
- - type: grid
- grid: 6x4h | 7x1d | 4x7d | 6x30d
- regex: "^zrepl_.*"
- '';
- };
- # This value determines the NixOS release with which your system is
- # to be compatible, in order to avoid breaking some software such as
- # database servers. You should change this only after NixOS release
- # notes say you should.
- # https://nixos.org/nixos/manual/release-notes.html
- system.stateVersion = "20.03"; # Did you read the comment?
-}
projects / perso / Immae / Config / Nix.git / blobdiff