nixpkgs/nixos/tests/systemd-sysupdate.nix

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# Tests downloading a signed update aritfact from a server to a target machine.
# This test does not rely on the `systemd.timer` units provided by the
# `systemd-sysupdate` module but triggers the `systemd-sysupdate` service
# manually to make the test more robust.
{ lib, pkgs, ... }:
let
gpgKeyring = import ./common/gpg-keyring.nix { inherit pkgs; };
in
{
name = "systemd-sysupdate";
meta.maintainers = with lib.maintainers; [ nikstur ];
nodes = {
server = { pkgs, ... }: {
networking.firewall.enable = false;
services.nginx = {
enable = true;
virtualHosts."server" = {
root = pkgs.runCommand "sysupdate-artifacts" { buildInputs = [ pkgs.gnupg ]; } ''
mkdir -p $out
cd $out
echo "nixos" > nixos_1.txt
sha256sum nixos_1.txt > SHA256SUMS
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export GNUPGHOME="$(mktemp -d)"
cp -R ${gpgKeyring}/* $GNUPGHOME
gpg --batch --sign --detach-sign --output SHA256SUMS.gpg SHA256SUMS
'';
};
};
};
target = {
systemd.sysupdate = {
enable = true;
transfers = {
"text-file" = {
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Source = {
Type = "url-file";
Path = "http://server/";
MatchPattern = "nixos_@v.txt";
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};
Target = {
Path = "/";
MatchPattern = [ "nixos_@v.txt" ];
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};
};
};
};
environment.etc."systemd/import-pubring.gpg".source = "${gpgKeyring}/pubkey.gpg";
};
};
testScript = ''
server.wait_for_unit("nginx.service")
target.succeed("systemctl start systemd-sysupdate")
assert "nixos" in target.wait_until_succeeds("cat /nixos_1.txt", timeout=5)
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'';
}