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authortv <tv@krebsco.de>2018-11-27 11:47:54 +0100
committertv <tv@krebsco.de>2018-11-27 11:47:54 +0100
commitc4fabb0bc40e270f7d34a06115b121ef879fc2d1 (patch)
treed745b162ca3fed36057a1d6aa7d4b4b591d76107 /lass/2configs/blue-host.nix
parent09144f173677ed33850e484cf46876d13bb37c9e (diff)
parenteef1d7877defd7c310dc20f62bf96c7b8f408044 (diff)
Merge remote-tracking branch 'prism/master'
Diffstat (limited to 'lass/2configs/blue-host.nix')
-rw-r--r--lass/2configs/blue-host.nix99
1 files changed, 95 insertions, 4 deletions
diff --git a/lass/2configs/blue-host.nix b/lass/2configs/blue-host.nix
index 83c235f3e..fba996743 100644
--- a/lass/2configs/blue-host.nix
+++ b/lass/2configs/blue-host.nix
@@ -1,23 +1,114 @@
{ config, lib, pkgs, ... }:
with import <stockholm/lib>;
+let
+ all_hosts = [
+ "icarus"
+ "shodan"
+ "daedalus"
+ "skynet"
+ "prism"
+ ];
+ remote_hosts = filter (h: h != config.networking.hostName) all_hosts;
-{
+in {
imports = [
<stockholm/lass/2configs/container-networking.nix>
+ { #hack for already defined
+ systemd.services."container@blue".reloadIfChanged = mkForce false;
+ systemd.services."container@blue".preStart = ''
+ ${pkgs.mount}/bin/mount | ${pkgs.gnugrep}/bin/grep -q '^encfs on /var/lib/containers/blue'
+ '';
+ systemd.services."container@blue".preStop = ''
+ /run/wrappers/bin/fusermount -u /var/lib/containers/blue
+ '';
+ }
];
- systemd.services."container@blue".reloadIfChanged = mkForce false;
+
+ system.activationScripts.containerPermissions = ''
+ mkdir -p /var/lib/containers
+ chmod 711 /var/lib/containers
+ '';
+
containers.blue = {
config = { ... }: {
- environment.systemPackages = [ pkgs.git ];
+ environment.systemPackages = [
+ pkgs.git
+ pkgs.rxvt_unicode.terminfo
+ ];
services.openssh.enable = true;
users.users.root.openssh.authorizedKeys.keys = [
config.krebs.users.lass.pubkey
];
};
- autoStart = true;
+ autoStart = false;
enableTun = true;
privateNetwork = true;
hostAddress = "10.233.2.9";
localAddress = "10.233.2.10";
};
+
+
+ systemd.services = builtins.listToAttrs (map (host:
+ let
+ in nameValuePair "sync-blue-${host}" {
+ bindsTo = [ "container@blue.service" ];
+ wantedBy = [ "container@blue.service" ];
+ # ssh needed for rsync
+ path = [ pkgs.openssh ];
+ serviceConfig = {
+ Restart = "always";
+ RestartSec = 10;
+ ExecStart = pkgs.writeDash "sync-blue-${host}" ''
+ set -efu
+ #make sure blue is running
+ /run/wrappers/bin/ping -c1 blue.r > /dev/null
+
+ #make sure the container is unlocked
+ ${pkgs.mount}/bin/mount | ${pkgs.gnugrep}/bin/grep -q '^encfs on /var/lib/containers/blue'
+
+ #make sure our target is reachable
+ ${pkgs.untilport}/bin/untilport ${host}.r 22 2>/dev/null
+
+ #start sync
+ ${pkgs.lsyncd}/bin/lsyncd -log scarce ${pkgs.writeText "lsyncd-config.lua" ''
+ settings {
+ nodaemon = true,
+ inotifyMode = "CloseWrite or Modify",
+ }
+ sync {
+ default.rsyncssh,
+ source = "/var/lib/containers/.blue",
+ host = "${host}.r",
+ targetdir = "/var/lib/containers/.blue",
+ rsync = {
+ owner = true,
+ group = true,
+ };
+ ssh = {
+ binary = "${pkgs.openssh}/bin/ssh";
+ identityFile = "/var/lib/containers/blue/home/lass/.ssh/id_rsa",
+ },
+ }
+ ''}
+ '';
+ };
+ unitConfig.ConditionPathExists = "!/var/run/ppp0.pid";
+ }
+ ) remote_hosts);
+
+ environment.systemPackages = [
+ (pkgs.writeDashBin "start-blue" ''
+ set -ef
+ if ! $(mount | ${pkgs.gnugrep}/bin/grep -qi '^encfs on /var/lib/containers/blue'); then
+ ${pkgs.encfs}/bin/encfs --public /var/lib/containers/.blue /var/lib/containers/blue
+ fi
+ nixos-container start blue
+ nixos-container run blue -- nixos-rebuild -I /var/src dry-build
+ if ping -c1 blue.r >/dev/null; then
+ echo 'blue is already running. bailing out'
+ exit 23
+ fi
+ nixos-container run blue -- nixos-rebuild -I /var/src switch
+ '')
+ ];
}