mb: add rofl.r
This commit is contained in:
parent
02ab710568
commit
08b8105196
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@ -36,6 +36,32 @@ in {
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};
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};
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};
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};
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};
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};
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rofl = {
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nets = {
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retiolum = {
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ip4.addr = "10.243.42.43";
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aliases = [
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"rofl.r"
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];
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tinc.pubkey = ''
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-----BEGIN PUBLIC KEY-----
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MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnysdVVwxkmSroNUleYZm
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xdaIB9EdZYCo2xj3WyhsD2lWMpj51FzSH6Y052Vy1V1TCuIXIwjidpmMohBvflG8
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txKCaBGQOZbVqRgzyCDXsNisbr05ayYuHcRrXTpn5ask4HN0Vtx2uJOn8YmOxA0D
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VhyEnf8xWu+vi8dwDqRVR17QnPBYqgenzIBmAuRngvNqg6WZg+E9X2e1Dco/PMzb
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VW0AgC2+zFCl4+G7dEW7uhsI6IJLy4LsJuEN4TlvWAf7tfdFEnBzTfODW8quGdts
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1Yzah4svPNNt9F1ZhOR/1bDsfVoOjI76BgB0G+ZZPQAGV1zxgn8DXSKi/tJTLNu1
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vj/n9sUJfXMYQdTAOkABghCyEDFUspPKCffQqUXUcJbLKY9fNssGGBeanMsobUQC
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Ch9z7kIJ52JDcP/D58z9Yf62P5ENqXzeVPCcodIOey1EizOu/FH3jVo52we1M5sp
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1iM4hMc3ZINUBI9AA1nLWWlB3lBnErAXrhmMMHjcO4nO7/M0YU+EalkDB5eIhqiH
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QJx7VnOE2UZYU9Y0vVNSWfYocU12aABK98T7lr5Tde4dI1J81sk2MUZcbNHger3f
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NxpvNzOBpeC5xvq/ENCRR7MDf/59xWW5P5N7PbGprLQAi8cfdSoIEhSPz17Taq1f
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3aAAePgBsZvRQozxXZfqp58CAwEAAQ==
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-----END PUBLIC KEY-----
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'';
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};
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};
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};
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p1nk = {
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p1nk = {
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nets = {
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nets = {
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retiolum = {
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retiolum = {
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103
mb/1systems/rofl/configuration.nix
Normal file
103
mb/1systems/rofl/configuration.nix
Normal file
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@ -0,0 +1,103 @@
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{ config, pkgs, callPackage, ... }: let
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unstable = import <nixpkgs-unstable> { config = { allowUnfree = true; }; };
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in {
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imports =
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[ # Include the results of the hardware scan.
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<stockholm/mb/2configs/google-compute-config.nix>
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<stockholm/mb>
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];
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krebs.build.host = config.krebs.hosts.rofl;
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i18n = {
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consoleFont = "Lat2-Terminus16";
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consoleKeyMap = "de";
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defaultLocale = "en_US.UTF-8";
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};
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time.timeZone = "Europe/Berlin";
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nixpkgs.config.allowUnfree = true;
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environment.shellAliases = {
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ll = "ls -alh";
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ls = "ls --color=tty";
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};
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environment.systemPackages = with pkgs; [
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curl
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fish
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git
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htop
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nmap
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ranger
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tcpdump
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tmux
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traceroute
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tree
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vim
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xz
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zbackup
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];
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sound.enable = false;
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services.openssh.enable = true;
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services.openssh.passwordAuthentication = false;
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networking.wireless.enable = false;
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networking.networkmanager.enable = false;
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krebs.iptables.enable = true;
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networking.enableIPv6 = false;
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programs.fish = {
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enable = true;
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shellInit = ''
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function ssh_agent --description 'launch the ssh-agent and add the id_rsa identity'
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if begin
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set -q SSH_AGENT_PID
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and kill -0 $SSH_AGENT_PID
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and grep -q '^ssh-agent' /proc/$SSH_AGENT_PID/cmdline
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end
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echo "ssh-agent running on pid $SSH_AGENT_PID"
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else
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eval (command ssh-agent -c | sed 's/^setenv/set -Ux/')
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end
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set -l identity $HOME/.ssh/id_rsa
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set -l fingerprint (ssh-keygen -lf $identity | awk '{print $2}')
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ssh-add -l | grep -q $fingerprint
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or ssh-add $identity
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end
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'';
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promptInit = ''
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function fish_prompt --description 'Write out the prompt'
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set -l color_cwd
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set -l suffix
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set -l nix_shell_info (
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if test "$IN_NIX_SHELL" != ""
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echo -n " <nix-shell>"
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end
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)
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switch "$USER"
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case root toor
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if set -q fish_color_cwd_root
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set color_cwd $fish_color_cwd_root
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else
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set color_cwd $fish_color_cwd
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end
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set suffix '#'
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case '*'
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set color_cwd $fish_color_cwd
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set suffix '>'
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end
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echo -n -s "$USER" @ (set_color green) (prompt_hostname) (set_color normal) "$nix_shell_info" ' ' (set_color $color_cwd) (prompt_pwd) (set_color normal) "$suffix "
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end
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'';
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};
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system.autoUpgrade.enable = false;
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system.autoUpgrade.channel = "https://nixos.org/channels/nixos-19.03";
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system.stateVersion = "19.03";
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}
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231
mb/2configs/google-compute-config.nix
Normal file
231
mb/2configs/google-compute-config.nix
Normal file
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{ config, lib, pkgs, ... }:
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with lib;
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let
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gce = pkgs.google-compute-engine;
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in
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{
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imports = [
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./headless.nix
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./qemu-guest.nix
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];
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fileSystems."/" = {
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device = "/dev/disk/by-label/nixos";
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autoResize = true;
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};
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boot.growPartition = true;
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boot.kernelParams = [ "console=ttyS0" "panic=1" "boot.panic_on_fail" ];
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boot.initrd.kernelModules = [ "virtio_scsi" ];
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boot.kernelModules = [ "virtio_pci" "virtio_net" ];
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# Generate a GRUB menu. Amazon's pv-grub uses this to boot our kernel/initrd.
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boot.loader.grub.device = "/dev/sda";
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boot.loader.timeout = 0;
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# Don't put old configurations in the GRUB menu. The user has no
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# way to select them anyway.
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boot.loader.grub.configurationLimit = 0;
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# Allow root logins only using the SSH key that the user specified
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# at instance creation time.
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#services.openssh.enable = true;
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#services.openssh.permitRootLogin = "prohibit-password";
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#services.openssh.passwordAuthentication = mkDefault false;
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# Use GCE udev rules for dynamic disk volumes
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services.udev.packages = [ gce ];
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# Force getting the hostname from Google Compute.
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networking.hostName = mkDefault "";
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# Always include cryptsetup so that NixOps can use it.
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environment.systemPackages = [ pkgs.cryptsetup ];
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# Make sure GCE image does not replace host key that NixOps sets
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environment.etc."default/instance_configs.cfg".text = lib.mkDefault ''
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[InstanceSetup]
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set_host_keys = false
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'';
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# Rely on GCP's firewall instead
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networking.firewall.enable = mkDefault false;
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# Configure default metadata hostnames
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networking.extraHosts = ''
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169.254.169.254 metadata.google.internal metadata
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'';
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networking.timeServers = [ "metadata.google.internal" ];
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networking.usePredictableInterfaceNames = false;
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# GC has 1460 MTU
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networking.interfaces.eth0.mtu = 1460;
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security.googleOsLogin.enable = true;
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systemd.services.google-clock-skew-daemon = {
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description = "Google Compute Engine Clock Skew Daemon";
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after = [
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"network.target"
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"google-instance-setup.service"
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"google-network-setup.service"
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];
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requires = ["network.target"];
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wantedBy = ["multi-user.target"];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${gce}/bin/google_clock_skew_daemon --debug";
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};
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};
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systemd.services.google-instance-setup = {
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description = "Google Compute Engine Instance Setup";
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after = ["local-fs.target" "network-online.target" "network.target" "rsyslog.service"];
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before = ["sshd.service"];
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wants = ["local-fs.target" "network-online.target" "network.target"];
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wantedBy = [ "sshd.service" "multi-user.target" ];
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path = with pkgs; [ ethtool openssh ];
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serviceConfig = {
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ExecStart = "${gce}/bin/google_instance_setup --debug";
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Type = "oneshot";
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};
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};
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systemd.services.google-network-daemon = {
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description = "Google Compute Engine Network Daemon";
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after = ["local-fs.target" "network-online.target" "network.target" "rsyslog.service" "google-instance-setup.service"];
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wants = ["local-fs.target" "network-online.target" "network.target"];
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requires = ["network.target"];
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partOf = ["network.target"];
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wantedBy = [ "multi-user.target" ];
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path = with pkgs; [ iproute ];
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serviceConfig = {
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ExecStart = "${gce}/bin/google_network_daemon --debug";
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};
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};
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systemd.services.google-shutdown-scripts = {
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description = "Google Compute Engine Shutdown Scripts";
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after = [
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"local-fs.target"
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"network-online.target"
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"network.target"
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"rsyslog.service"
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"systemd-resolved.service"
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"google-instance-setup.service"
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"google-network-daemon.service"
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];
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wants = [ "local-fs.target" "network-online.target" "network.target"];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${pkgs.coreutils}/bin/true";
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ExecStop = "${gce}/bin/google_metadata_script_runner --debug --script-type shutdown";
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Type = "oneshot";
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RemainAfterExit = true;
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TimeoutStopSec = "infinity";
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};
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};
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systemd.services.google-startup-scripts = {
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description = "Google Compute Engine Startup Scripts";
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after = [
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"local-fs.target"
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"network-online.target"
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"network.target"
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"rsyslog.service"
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"google-instance-setup.service"
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"google-network-daemon.service"
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];
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wants = ["local-fs.target" "network-online.target" "network.target"];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${gce}/bin/google_metadata_script_runner --debug --script-type startup";
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KillMode = "process";
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Type = "oneshot";
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};
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};
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# Settings taken from https://github.com/GoogleCloudPlatform/compute-image-packages/blob/master/google_config/sysctl/11-gce-network-security.conf
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boot.kernel.sysctl = {
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# Turn on SYN-flood protections. Starting with 2.6.26, there is no loss
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# of TCP functionality/features under normal conditions. When flood
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# protections kick in under high unanswered-SYN load, the system
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# should remain more stable, with a trade off of some loss of TCP
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# functionality/features (e.g. TCP Window scaling).
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"net.ipv4.tcp_syncookies" = mkDefault "1";
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# ignores source-routed packets
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"net.ipv4.conf.all.accept_source_route" = mkDefault "0";
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# ignores source-routed packets
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||||||
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"net.ipv4.conf.default.accept_source_route" = mkDefault "0";
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# ignores ICMP redirects
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"net.ipv4.conf.all.accept_redirects" = mkDefault "0";
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# ignores ICMP redirects
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||||||
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"net.ipv4.conf.default.accept_redirects" = mkDefault "0";
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# ignores ICMP redirects from non-GW hosts
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||||||
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"net.ipv4.conf.all.secure_redirects" = mkDefault "1";
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# ignores ICMP redirects from non-GW hosts
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"net.ipv4.conf.default.secure_redirects" = mkDefault "1";
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# don't allow traffic between networks or act as a router
|
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"net.ipv4.ip_forward" = mkDefault "0";
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||||||
|
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||||||
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# don't allow traffic between networks or act as a router
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||||||
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"net.ipv4.conf.all.send_redirects" = mkDefault "0";
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|
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||||||
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# don't allow traffic between networks or act as a router
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"net.ipv4.conf.default.send_redirects" = mkDefault "0";
|
||||||
|
|
||||||
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# reverse path filtering - IP spoofing protection
|
||||||
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"net.ipv4.conf.all.rp_filter" = mkDefault "1";
|
||||||
|
|
||||||
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# reverse path filtering - IP spoofing protection
|
||||||
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"net.ipv4.conf.default.rp_filter" = mkDefault "1";
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||||||
|
|
||||||
|
# ignores ICMP broadcasts to avoid participating in Smurf attacks
|
||||||
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"net.ipv4.icmp_echo_ignore_broadcasts" = mkDefault "1";
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||||||
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|
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# ignores bad ICMP errors
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"net.ipv4.icmp_ignore_bogus_error_responses" = mkDefault "1";
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||||||
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# logs spoofed, source-routed, and redirect packets
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"net.ipv4.conf.all.log_martians" = mkDefault "1";
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||||||
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|
||||||
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# log spoofed, source-routed, and redirect packets
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||||||
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"net.ipv4.conf.default.log_martians" = mkDefault "1";
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||||||
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|
||||||
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# implements RFC 1337 fix
|
||||||
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"net.ipv4.tcp_rfc1337" = mkDefault "1";
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||||||
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|
||||||
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# randomizes addresses of mmap base, heap, stack and VDSO page
|
||||||
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"kernel.randomize_va_space" = mkDefault "2";
|
||||||
|
|
||||||
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# Reboot the machine soon after a kernel panic.
|
||||||
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"kernel.panic" = mkDefault "10";
|
||||||
|
|
||||||
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## Not part of the original config
|
||||||
|
|
||||||
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# provides protection from ToCToU races
|
||||||
|
"fs.protected_hardlinks" = mkDefault "1";
|
||||||
|
|
||||||
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# provides protection from ToCToU races
|
||||||
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"fs.protected_symlinks" = mkDefault "1";
|
||||||
|
|
||||||
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# makes locating kernel addresses more difficult
|
||||||
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"kernel.kptr_restrict" = mkDefault "1";
|
||||||
|
|
||||||
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# set ptrace protections
|
||||||
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"kernel.yama.ptrace_scope" = mkOverride 500 "1";
|
||||||
|
|
||||||
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# set perf only available to root
|
||||||
|
"kernel.perf_event_paranoid" = mkDefault "2";
|
||||||
|
};
|
||||||
|
}
|
25
mb/2configs/headless.nix
Normal file
25
mb/2configs/headless.nix
Normal file
|
@ -0,0 +1,25 @@
|
||||||
|
# Common configuration for headless machines (e.g., Amazon EC2
|
||||||
|
# instances).
|
||||||
|
|
||||||
|
{ lib, ... }:
|
||||||
|
|
||||||
|
with lib;
|
||||||
|
|
||||||
|
{
|
||||||
|
boot.vesa = false;
|
||||||
|
|
||||||
|
# Don't start a tty on the serial consoles.
|
||||||
|
systemd.services."serial-getty@ttyS0".enable = false;
|
||||||
|
systemd.services."serial-getty@hvc0".enable = false;
|
||||||
|
systemd.services."getty@tty1".enable = false;
|
||||||
|
systemd.services."autovt@".enable = false;
|
||||||
|
|
||||||
|
# Since we can't manually respond to a panic, just reboot.
|
||||||
|
boot.kernelParams = [ "panic=1" "boot.panic_on_fail" ];
|
||||||
|
|
||||||
|
# Don't allow emergency mode, because we don't have a console.
|
||||||
|
systemd.enableEmergencyMode = false;
|
||||||
|
|
||||||
|
# Being headless, we don't need a GRUB splash image.
|
||||||
|
boot.loader.grub.splashImage = null;
|
||||||
|
}
|
19
mb/2configs/qemu-guest.nix
Normal file
19
mb/2configs/qemu-guest.nix
Normal file
|
@ -0,0 +1,19 @@
|
||||||
|
# Common configuration for virtual machines running under QEMU (using
|
||||||
|
# virtio).
|
||||||
|
|
||||||
|
{ ... }:
|
||||||
|
|
||||||
|
{
|
||||||
|
boot.initrd.availableKernelModules = [ "virtio_net" "virtio_pci" "virtio_mmio" "virtio_blk" "virtio_scsi" "9p" "9pnet_virtio" ];
|
||||||
|
boot.initrd.kernelModules = [ "virtio_balloon" "virtio_console" "virtio_rng" ];
|
||||||
|
|
||||||
|
boot.initrd.postDeviceCommands =
|
||||||
|
''
|
||||||
|
# Set the system time from the hardware clock to work around a
|
||||||
|
# bug in qemu-kvm > 1.5.2 (where the VM clock is initialised
|
||||||
|
# to the *boot time* of the host).
|
||||||
|
hwclock -s
|
||||||
|
'';
|
||||||
|
|
||||||
|
security.rngd.enable = false;
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user