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-rw-r--r--lass/2configs/blue-host.nix74
1 files changed, 66 insertions, 8 deletions
diff --git a/lass/2configs/blue-host.nix b/lass/2configs/blue-host.nix
index 2302c70ec..be9f68c08 100644
--- a/lass/2configs/blue-host.nix
+++ b/lass/2configs/blue-host.nix
@@ -1,11 +1,28 @@
{ 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 | ${pkgs.gnugrep}/bin/grep -q '^encfs on /var/lib/containers/blue'
+ '';
+ systemd.services."container@blue".preStop = ''
+ /run/wrappers/bin/fusermount -u /var/lib/containers/blue
+ '';
+ }
];
- systemd.services."container@blue".reloadIfChanged = mkForce false;
containers.blue = {
config = { ... }: {
environment.systemPackages = [
@@ -23,10 +40,56 @@ with import <stockholm/lib>;
hostAddress = "10.233.2.9";
localAddress = "10.233.2.10";
};
+
+
+ systemd.services = builtins.listToAttrs (map (host:
+ let
+ in nameValuePair "sync-blue-${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",
+ 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 ping -c1 blue.r; then
+ if ping -c1 blue.r >/dev/null; then
echo 'blue is already running. bailing out'
exit 23
fi
@@ -36,10 +99,5 @@ with import <stockholm/lib>;
nixos-container start blue
nixos-container run blue -- nixos-rebuild -I /var/src switch
'')
- (pkgs.writeDashBin "stop-blue" ''
- set -ef
- nixos-container stop blue
- fusermount -u /var/lib/containers/blue
- '')
];
}