125 lines
3.6 KiB
Nix
125 lines
3.6 KiB
Nix
{ zentralwerk, hostRegistry, config, lib, ... }:
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let
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inherit (config.networking) hostName;
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# hydra does *not* use this module because it only runs a nomad
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# server but no client and no microvms
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servers = [ "server8" "server9" "server10" "hydra" ];
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microvmServers = [ "server8" "server9" "server10" ];
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storageServers = [ "server8" "server9" ];
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serverNet = server:
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builtins.foldl' (result: net:
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if result == null &&
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zentralwerk.lib.config.site.net.${net}.hosts4 ? ${server}
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then net
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else result
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) null [ "cluster" "serv" ];
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in {
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# Open firewall between cluster members
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networking.firewall.extraCommands = lib.concatMapStrings
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(server:
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let
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netConfig = zentralwerk.lib.config.site.net.${serverNet server};
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in
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lib.optionalString (server != hostName) ''
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iptables -A nixos-fw --source ${netConfig.hosts4.${server}} -j ACCEPT
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${lib.concatMapStrings (hosts6: ''
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ip6tables -A nixos-fw --source ${hosts6.${server}} -j ACCEPT
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'') (builtins.attrValues netConfig.hosts6)}
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''
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)
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servers;
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# Cluster configuration
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skyflake = {
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# debug = true;
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nodes = builtins.listToAttrs (
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map (name: {
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inherit name;
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value.address = hostRegistry.${name}.ip4;
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}) servers
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);
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# Extra nomad configuration
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nomad = {
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datacenter = "c3d2";
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inherit servers;
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# run tasks only on these:
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client.enable = builtins.elem hostName microvmServers;
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client.meta = lib.optionalAttrs (builtins.elem hostName storageServers) {
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"c3d2.storage" = "big";
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};
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};
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# The user that runs skyflake MicroVMs
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microvmUid = 997;
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users = {
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# Deployment user for hosts in this flake
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c3d2 = {
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uid = 1001;
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sshKeys = config.users.users.root.openssh.authorizedKeys.keys;
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};
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# Deployment user for leon who also uses this flake
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leon = {
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uid = 1002;
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sshKeys = with (import ../../ssh-public-keys.nix).users;
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leon ++
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astro;
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};
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};
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deploy.customizationModule = ./deployment.nix;
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# Ceph storage cluster configuration
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storage.ceph = rec {
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fsid = "a06b1061-ef09-46d6-a15f-2f8ce4d7d1bf";
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mons = [ "server8" "server9" "server10" ];
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mgrs = mons;
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mdss = mons;
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monKeyring = config.sops.secrets."ceph/monKeyring".path;
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adminKeyring = config.sops.secrets."ceph/adminKeyring".path;
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};
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};
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# Ceph keyrings
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sops.secrets = {
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"ceph/monKeyring" = {
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owner = "ceph";
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sopsFile = ../../config/ceph.yaml;
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};
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"ceph/adminKeyring" = {
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owner = "ceph";
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sopsFile = ../../config/ceph.yaml;
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};
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};
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# Collectd monitoring for ceph
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services.collectd.plugins.ceph = ''
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ConvertSpecialMetricTypes true
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${lib.concatMapStrings (hostName: ''
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<Daemon "mon.${hostName}">
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SocketPath "/var/run/ceph/ceph-mon.${hostName}.asok"
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</Daemon>
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'') config.services.ceph.mon.daemons}
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${lib.concatMapStrings (hostName: ''
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<Daemon "mgr.${hostName}">
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SocketPath "/var/run/ceph/ceph-mgr.${hostName}.asok"
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</Daemon>
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'') config.services.ceph.mgr.daemons}
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${lib.concatMapStrings (hostName: ''
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<Daemon "mds.${hostName}">
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SocketPath "/var/run/ceph/ceph-mds.${hostName}.asok"
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</Daemon>
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'') config.services.ceph.mds.daemons}
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${lib.concatMapStrings (id: ''
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<Daemon "osd.${id}">
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SocketPath "/var/run/ceph/ceph-osd.${id}.asok"
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</Daemon>
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'') config.services.ceph.osd.daemons}
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'';
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# HACK: let collectd access ceph sockets
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systemd.services.collectd.serviceConfig.User = lib.mkForce "ceph";
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}
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