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-rw-r--r--mb/2configs/google-compute-config.nix231
1 files changed, 0 insertions, 231 deletions
diff --git a/mb/2configs/google-compute-config.nix b/mb/2configs/google-compute-config.nix
deleted file mode 100644
index b201bd4..0000000
--- a/mb/2configs/google-compute-config.nix
+++ /dev/null
@@ -1,231 +0,0 @@
-{ config, lib, pkgs, ... }:
-with lib;
-let
- gce = pkgs.google-compute-engine;
-in
-{
- imports = [
- ./headless.nix
- ./qemu-guest.nix
- ];
-
- fileSystems."/" = {
- device = "/dev/disk/by-label/nixos";
- autoResize = true;
- };
-
- boot.growPartition = true;
- boot.kernelParams = [ "console=ttyS0" "panic=1" "boot.panic_on_fail" ];
- boot.initrd.kernelModules = [ "virtio_scsi" ];
- boot.kernelModules = [ "virtio_pci" "virtio_net" ];
-
- # Generate a GRUB menu. Amazon's pv-grub uses this to boot our kernel/initrd.
- boot.loader.grub.device = "/dev/sda";
- boot.loader.timeout = 0;
-
- # Don't put old configurations in the GRUB menu. The user has no
- # way to select them anyway.
- boot.loader.grub.configurationLimit = 0;
-
- # Allow root logins only using the SSH key that the user specified
- # at instance creation time.
- #services.openssh.enable = true;
- #services.openssh.permitRootLogin = "prohibit-password";
- #services.openssh.passwordAuthentication = mkDefault false;
-
- # Use GCE udev rules for dynamic disk volumes
- services.udev.packages = [ gce ];
-
- # Force getting the hostname from Google Compute.
- networking.hostName = mkDefault "";
-
- # Always include cryptsetup so that NixOps can use it.
- environment.systemPackages = [ pkgs.cryptsetup ];
-
- # Make sure GCE image does not replace host key that NixOps sets
- environment.etc."default/instance_configs.cfg".text = lib.mkDefault ''
- [InstanceSetup]
- set_host_keys = false
- '';
-
- # Rely on GCP's firewall instead
- networking.firewall.enable = mkDefault false;
-
- # Configure default metadata hostnames
- networking.extraHosts = ''
- 169.254.169.254 metadata.google.internal metadata
- '';
-
- networking.timeServers = [ "metadata.google.internal" ];
-
- networking.usePredictableInterfaceNames = false;
-
- # GC has 1460 MTU
- networking.interfaces.eth0.mtu = 1460;
-
- security.googleOsLogin.enable = true;
-
- systemd.services.google-clock-skew-daemon = {
- description = "Google Compute Engine Clock Skew Daemon";
- after = [
- "network.target"
- "google-instance-setup.service"
- "google-network-setup.service"
- ];
- requires = ["network.target"];
- wantedBy = ["multi-user.target"];
- serviceConfig = {
- Type = "simple";
- ExecStart = "${gce}/bin/google_clock_skew_daemon --debug";
- };
- };
-
- systemd.services.google-instance-setup = {
- description = "Google Compute Engine Instance Setup";
- after = ["local-fs.target" "network-online.target" "network.target" "rsyslog.service"];
- before = ["sshd.service"];
- wants = ["local-fs.target" "network-online.target" "network.target"];
- wantedBy = [ "sshd.service" "multi-user.target" ];
- path = with pkgs; [ ethtool openssh ];
- serviceConfig = {
- ExecStart = "${gce}/bin/google_instance_setup --debug";
- Type = "oneshot";
- };
- };
-
- systemd.services.google-network-daemon = {
- description = "Google Compute Engine Network Daemon";
- after = ["local-fs.target" "network-online.target" "network.target" "rsyslog.service" "google-instance-setup.service"];
- wants = ["local-fs.target" "network-online.target" "network.target"];
- requires = ["network.target"];
- partOf = ["network.target"];
- wantedBy = [ "multi-user.target" ];
- path = with pkgs; [ iproute ];
- serviceConfig = {
- ExecStart = "${gce}/bin/google_network_daemon --debug";
- };
- };
-
- systemd.services.google-shutdown-scripts = {
- description = "Google Compute Engine Shutdown Scripts";
- after = [
- "local-fs.target"
- "network-online.target"
- "network.target"
- "rsyslog.service"
- "systemd-resolved.service"
- "google-instance-setup.service"
- "google-network-daemon.service"
- ];
- wants = [ "local-fs.target" "network-online.target" "network.target"];
- wantedBy = [ "multi-user.target" ];
- serviceConfig = {
- ExecStart = "${pkgs.coreutils}/bin/true";
- ExecStop = "${gce}/bin/google_metadata_script_runner --debug --script-type shutdown";
- Type = "oneshot";
- RemainAfterExit = true;
- TimeoutStopSec = "infinity";
- };
- };
-
- systemd.services.google-startup-scripts = {
- description = "Google Compute Engine Startup Scripts";
- after = [
- "local-fs.target"
- "network-online.target"
- "network.target"
- "rsyslog.service"
- "google-instance-setup.service"
- "google-network-daemon.service"
- ];
- wants = ["local-fs.target" "network-online.target" "network.target"];
- wantedBy = [ "multi-user.target" ];
- serviceConfig = {
- ExecStart = "${gce}/bin/google_metadata_script_runner --debug --script-type startup";
- KillMode = "process";
- Type = "oneshot";
- };
- };
-
-
- # Settings taken from https://github.com/GoogleCloudPlatform/compute-image-packages/blob/master/google_config/sysctl/11-gce-network-security.conf
- boot.kernel.sysctl = {
- # Turn on SYN-flood protections. Starting with 2.6.26, there is no loss
- # of TCP functionality/features under normal conditions. When flood
- # protections kick in under high unanswered-SYN load, the system
- # should remain more stable, with a trade off of some loss of TCP
- # functionality/features (e.g. TCP Window scaling).
- "net.ipv4.tcp_syncookies" = mkDefault "1";
-
- # ignores source-routed packets
- "net.ipv4.conf.all.accept_source_route" = mkDefault "0";
-
- # ignores source-routed packets
- "net.ipv4.conf.default.accept_source_route" = mkDefault "0";
-
- # ignores ICMP redirects
- "net.ipv4.conf.all.accept_redirects" = mkDefault "0";
-
- # ignores ICMP redirects
- "net.ipv4.conf.default.accept_redirects" = mkDefault "0";
-
- # ignores ICMP redirects from non-GW hosts
- "net.ipv4.conf.all.secure_redirects" = mkDefault "1";
-
- # ignores ICMP redirects from non-GW hosts
- "net.ipv4.conf.default.secure_redirects" = mkDefault "1";
-
- # don't allow traffic between networks or act as a router
- "net.ipv4.ip_forward" = mkDefault "0";
-
- # don't allow traffic between networks or act as a router
- "net.ipv4.conf.all.send_redirects" = mkDefault "0";
-
- # don't allow traffic between networks or act as a router
- "net.ipv4.conf.default.send_redirects" = mkDefault "0";
-
- # reverse path filtering - IP spoofing protection
- "net.ipv4.conf.all.rp_filter" = mkDefault "1";
-
- # reverse path filtering - IP spoofing protection
- "net.ipv4.conf.default.rp_filter" = mkDefault "1";
-
- # ignores ICMP broadcasts to avoid participating in Smurf attacks
- "net.ipv4.icmp_echo_ignore_broadcasts" = mkDefault "1";
-
- # ignores bad ICMP errors
- "net.ipv4.icmp_ignore_bogus_error_responses" = mkDefault "1";
-
- # logs spoofed, source-routed, and redirect packets
- "net.ipv4.conf.all.log_martians" = mkDefault "1";
-
- # log spoofed, source-routed, and redirect packets
- "net.ipv4.conf.default.log_martians" = mkDefault "1";
-
- # implements RFC 1337 fix
- "net.ipv4.tcp_rfc1337" = mkDefault "1";
-
- # randomizes addresses of mmap base, heap, stack and VDSO page
- "kernel.randomize_va_space" = mkDefault "2";
-
- # Reboot the machine soon after a kernel panic.
- "kernel.panic" = mkDefault "10";
-
- ## Not part of the original config
-
- # provides protection from ToCToU races
- "fs.protected_hardlinks" = mkDefault "1";
-
- # provides protection from ToCToU races
- "fs.protected_symlinks" = mkDefault "1";
-
- # makes locating kernel addresses more difficult
- "kernel.kptr_restrict" = mkDefault "1";
-
- # set ptrace protections
- "kernel.yama.ptrace_scope" = mkOverride 500 "1";
-
- # set perf only available to root
- "kernel.perf_event_paranoid" = mkDefault "2";
- };
-}