tv: RIP xu-qemu0
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tv
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@ -1,28 +0,0 @@
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{ config, lib, pkgs, ... }:
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{
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krebs.hosts.xu-qemu0 = {
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cores = 1;
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ssh.privkey.path = <secrets/ssh.id_ed25519>;
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# cannot define ssh.pubkey without at least one addr or alias
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#ssh.pubkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFe51rD0ZqlMXNi/YpapnRzvdzCjI0icmxfCyBLSKG04";
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};
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krebs.build.host = config.krebs.hosts.xu-qemu0;
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imports = [
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../.
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<nixpkgs/nixos/modules/profiles/qemu-guest.nix>
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];
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boot.loader.grub.device = "/dev/sda";
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fileSystems = {
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"/boot" = {
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device = "/dev/sda1";
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};
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"/" = {
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device = "/dev/sda2";
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fsType = "btrfs";
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};
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};
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}
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@ -1,250 +0,0 @@
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{ config, lib, pkgs, ... }:
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let
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# XXX cannot use config.build.host.name here because infinite recursion when
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# defining krebs.hosts.${host-name}.nets.retiolum.aliases below.
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host-name = "xu";
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in
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# usage:
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# echo set_password vnc correcthorze | xu-qemu0-monitor
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#
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# vncdo -s xu:1 type 'curl init.xu.r' key shift-\\ type sh key return
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#
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# http://vnc.xu/vnc_auto.html?port=5701&host=xu&password=correcthorze
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#
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# make [install] system=xu-qemu0 target_host=10.56.0.101
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with import <stockholm/lib>;
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{
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networking.dhcpcd.denyInterfaces = [ "qemubr0" ];
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tv.iptables.extra = {
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nat.POSTROUTING = ["-j MASQUERADE"];
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filter.FORWARD = [
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"-m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT"
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"-i qemubr0 -s 10.56.0.1/24 -m conntrack --ctstate NEW -j ACCEPT"
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];
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filter.INPUT = [
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"-i qemubr0 -p udp -m udp --dport bootps -j ACCEPT"
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"-i qemubr0 -p udp -m udp --dport domain -j ACCEPT"
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];
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};
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systemd.network.enable = true;
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systemd.services.systemd-networkd-wait-online.enable = false;
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services.resolved.enable = mkForce false;
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boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
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systemd.network.networks.qemubr0 = {
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matchConfig.Name = "qemubr0";
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address = ["10.56.0.1/24"];
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routes = [{
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routeConfig = {
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Gateway = "*";
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Destination = "10.56.0.0";
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};
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}];
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};
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systemd.network.netdevs.qemubr0 = {
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netdevConfig = {
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Name = "qemubr0";
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Kind = "bridge";
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};
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};
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users.groups.qemu-users.gid = genid "qemu-users";
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environment.etc."qemu/bridge.conf".text = ''
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allow qemubr0
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'';
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krebs.per-user.tv.packages = [
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];
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users.users.xu-qemu0 = {
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createHome = true;
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group = "qemu-users";
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home = "/home/xu-qemu0";
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uid = genid "xu-qemu0";
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};
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systemd.services.xu-qemu0 = let
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in {
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after = [ "network.target" "systemd-resolved.service" ];
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serviceConfig = {
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User = "xu-qemu0";
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SyslogIdentifier = "xu-qemu0";
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ExecStart = pkgs.writeDash "xu-qemu0" ''
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set -efu
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${pkgs.coreutils}/bin/mkdir -p "$HOME/tmp"
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img=$HOME/tmp/xu-qemu0.raw
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if ! test -e "$img"; then
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${pkgs.kvm}/bin/qemu-img create "$img" 10G
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fi
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exec ${pkgs.kvm}/bin/qemu-kvm \
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-monitor unix:$HOME/tmp/xu-qemu0-monitor.sock,server,nowait \
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-boot order=cd \
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-cdrom ${pkgs.fetchurl {
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url = https://nixos.org/releases/nixos/15.09/nixos-15.09.1012.9fe0c23/nixos-minimal-15.09.1012.9fe0c23-x86_64-linux.iso;
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sha256 = "18bc9wrsrjnhj9rya75xliqkl99gxbsk4dmwqivhvwfzb5qb5yp9";
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}} \
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-m 1024 \
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-netdev bridge,br=qemubr0,id=hn0,helper=/var/setuid-wrappers/qemu-bridge-helper \
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-net nic,netdev=hn0,id=nic1,macaddr=52:54:00:12:34:56 \
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-drive file="$img",format=raw \
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-display vnc=:1,websocket=5701,password,lossy \
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-name xu-qemu0 \
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'';
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};
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};
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krebs.setuid.xu-qemu0-monitor = {
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filename = pkgs.writeDash "xu-qemu0-monitor" ''
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exec ${pkgs.socat}/bin/socat \
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stdio \
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UNIX-CONNECT:${config.users.users.xu-qemu0.home}/tmp/xu-qemu0-monitor.sock \
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'';
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owner = "xu-qemu0";
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group = "tv";
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};
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krebs.setuid.qemu-bridge-helper = {
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filename = "${pkgs.qemu}/libexec/qemu-bridge-helper";
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group = "qemu-users";
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};
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users.users.qemu-dnsmasq.uid = genid "qemu-dnsmasq";
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# TODO need custom etc/dbus-1/system.d/dnsmasq.conf for different BusName
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services.dbus.packages = [ pkgs.dnsmasq ];
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systemd.services.qemu-dnsmasq = let
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# bind-interfaces
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conf = pkgs.writeText "qemu-dnsmasq.conf" ''
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listen-address=10.56.0.1
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interface=qemubr0
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dhcp-range=10.56.0.200,10.56.0.250
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dhcp-no-override
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dhcp-leasefile=/tmp/qemu-dnsmasq.leases
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domain=${host-name}.local
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dhcp-host=52:54:00:12:34:56,xu-qemu0,10.56.0.101,1440m
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'';
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in {
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after = [ "network.target" "systemd-resolved.service" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "dbus";
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BusName = "uk.org.thekelleys.dnsmasq";
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# -1 --enable-dbus[=uk.org.thekelleys.dnsmasq]
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SyslogIdentifier = "qemu-dnsmasq";
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ExecStart = "${pkgs.dnsmasq}/bin/dnsmasq -1k -u qemu-dnsmasq -C ${conf}";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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PrivateTmp = "true";
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};
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restartTriggers = [ config.environment.etc.hosts.source ];
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};
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krebs.nginx.servers.init = {
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server-names = [
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"init.${host-name}"
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"init.${host-name}.r"
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"init.${host-name}.retiolum"
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];
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extraConfig = ''
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index init.txt;
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root ${pkgs.writeTextFile {
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name = "init-pages";
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text = ''
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#! /bin/sh
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set -efu
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dev=/dev/sda
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pttype=dos # gpt
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case $pttype in
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dos)
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if ! test "$(blkid -o value -s PTTYPE "$dev")" = dos; then
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parted -s "$dev" mklabel msdos
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fi
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if ! test "$(blkid -o value -s PARTLABEL "$dev"1)" = primary; then
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parted -s "$dev" mkpart primary ext4 1MiB 513MiB
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parted -s "$dev" set 1 boot on
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fi
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;;
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gpt)
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if ! test "$(blkid -o value -s PTTYPE "$dev")" = gpt; then
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parted -s "$dev" mklabel gpt
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fi
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if ! test "$(blkid -o value -s PARTLABEL "$dev"1)" = ESP; then
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parted -s "$dev" mkpart ESP fat32 1MiB 513MiB
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parted -s "$dev" set 1 boot on
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fi
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;;
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*)
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echo "Error: bad pttype: $pttype" >&2
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exit -1
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esac
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if ! test "$(blkid -o value -s PARTLABEL "$dev"2)" = primary; then
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parted -s "$dev" mkpart primary btrfs 513MiB 100%
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fi
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if ! test "$(blkid -o value -s TYPE "$dev"1)" = vfat; then
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mkfs.vfat "$dev"1
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fi
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if ! test "$(blkid -o value -s TYPE "$dev"2)" = btrfs; then
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mkfs.btrfs "$dev"2
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fi
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parted "$dev" print
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if ! test "$(lsblk -n -o MOUNTPOINT "$dev"2)" = /mnt; then
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mount "$dev"2 /mnt
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fi
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if ! test "$(lsblk -n -o MOUNTPOINT "$dev"1)" = /mnt/boot; then
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mkdir -m 0000 -p /mnt/boot
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mount "$dev"1 /mnt/boot
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fi
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lsblk "$dev"
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key=${shell.escape config.krebs.users.tv-xu.pubkey}
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if [ "$(cat /root/.ssh/authorized_keys 2>/dev/null)" != "$key" ]; then
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mkdir -p /root/.ssh
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echo "$key" > /root/.ssh/authorized_keys
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fi
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systemctl start sshd
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ip route
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echo READY.
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'';
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destination = "/init.txt";
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}};
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'';
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};
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krebs.hosts.${host-name}.nets.retiolum.aliases = [
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"init.${host-name}.r"
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"init.${host-name}.retiolum"
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"vnc.${host-name}.r"
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"vnc.${host-name}.retiolum"
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];
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krebs.nginx.servers.noVNC = {
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server-names = [
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"vnc.${host-name}"
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"vnc.${host-name}.r"
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"vnc.${host-name}.retiolum"
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];
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#rewrite ^([^.]*)$ /vnc_auto.html?host=localhost&port=5701;
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locations = singleton (nameValuePair "/" ''
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index vnc.html;
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root ${pkgs.noVNC};
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'');
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};
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}
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