100 lines
3.6 KiB
Nix
100 lines
3.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with import <stockholm/lib>;
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let
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cname = "green";
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cryfs = pkgs.cryfs.overrideAttrs (old: {
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patches = [
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(pkgs.writeText "file_mode.patch" ''
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--- a/src/cryfs/filesystem/CryNode.cpp
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+++ b/src/cryfs/filesystem/CryNode.cpp
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@@ -171,7 +171,7 @@ CryNode::stat_info CryNode::stat() const {
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result.uid = fspp::uid_t(getuid());
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result.gid = fspp::gid_t(getgid());
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#endif
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- result.mode = fspp::mode_t().addDirFlag().addUserReadFlag().addUserWriteFlag().addUserExecFlag();
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+ result.mode = fspp::mode_t().addDirFlag().addUserReadFlag().addUserWriteFlag().addUserExecFlag().addGroupReadFlag().addGroupExecFlag().addOtherReadFlag().addOtherExecFlag();;
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result.size = fsblobstore::DirBlob::DIR_LSTAT_SIZE;
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//TODO If possible without performance loss, then for a directory, st_nlink should return number of dir entries (including "." and "..")
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result.nlink = 1;
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'')
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] ++ old.patches;
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});
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in {
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imports = [
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<stockholm/lass/2configs/container-networking.nix>
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<stockholm/lass/2configs/syncthing.nix>
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];
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programs.fuse.userAllowOther = true;
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services.syncthing.declarative.folders."/var/lib/sync-containers/${cname}".devices = [ "icarus" "skynet" "littleT" "shodan" ];
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# krebs.permown."/var/lib/sync-containers/${cname}" = {
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# owner = "root";
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# group = "syncthing";
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# umask = "0007";
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# };
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systemd.services."container@green".reloadIfChanged = mkForce false;
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containers.${cname} = {
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config = { ... }: {
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environment.systemPackages = [
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pkgs.git
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pkgs.rxvt_unicode.terminfo
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];
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services.openssh.enable = true;
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users.users.root.openssh.authorizedKeys.keys = [
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config.krebs.users.lass.pubkey
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];
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system.activationScripts.fuse = {
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text = ''
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${pkgs.coreutils}/bin/mknod /dev/fuse c 10 229
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'';
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deps = [];
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};
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};
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allowedDevices = [
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{ modifier = "rwm"; node = "/dev/fuse"; }
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];
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autoStart = false;
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enableTun = true;
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privateNetwork = true;
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hostAddress = "10.233.2.15"; # TODO find way to automatically calculate IPs
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localAddress = "10.233.2.16"; # TODO find way to automatically calculate IPs
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};
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environment.systemPackages = [
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(pkgs.writeDashBin "start-${cname}" ''
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set -euf
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mkdir -p /var/lib/containers/${cname}/var/state
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chown ${config.services.syncthing.user}: /var/lib/containers/${cname}/var/state
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if ! ${pkgs.mount}/bin/mount | grep -q '^cryfs@/var/lib/sync-containers/${cname} on /var/lib/containers/${cname}/var/state '; then
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/run/wrappers/bin/sudo -u "${config.services.syncthing.user}" \
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${cryfs}/bin/cryfs /var/lib/sync-containers/${cname} /var/lib/containers/${cname}/var/state -o allow_other -o default_permissions
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fi
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STATE=$(${pkgs.nixos-container}/bin/nixos-container status ${cname})
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if [ "$STATE" = 'down' ]; then
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${pkgs.nixos-container}/bin/nixos-container start ${cname}
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fi
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if ! ping -c1 -q -w5 ${cname}.r && [ -d /var/lib/containers/${cname}/var/src ]; then
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${pkgs.nixos-container}/bin/nixos-container run ${cname} -- ${pkgs.writeDash "deploy-${cname}" ''
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mkdir -p /var/state/var_src
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ln -sf state/var_Src /var/src
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nixos-rebuild -I /var/src switch
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''}
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fi
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'')
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(pkgs.writeDashBin "stop-${cname}" ''
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set -euf
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${pkgs.nixos-container}/bin/nixos-container stop ${cname}
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${cryfs}/bin/cryfs-unmount /var/lib/containers/${cname}/var/state
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'')
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];
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}
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