nixpkgs/nixos/tests/cloud-init-hostname.nix

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{ system ? builtins.currentSystem,
config ? {},
pkgs ? import ../.. { inherit system config; }
}:
with import ../lib/testing-python.nix { inherit system pkgs; };
with pkgs.lib;
let
# Hostname can also be set through "hostname" in user-data.
# This is how proxmox configures hostname through cloud-init.
metadataDrive = pkgs.stdenv.mkDerivation {
name = "metadata";
buildCommand = ''
mkdir -p $out/iso
cat << EOF > $out/iso/user-data
#cloud-config
hostname: testhostname
EOF
cat << EOF > $out/iso/meta-data
instance-id: iid-local02
EOF
${pkgs.cdrkit}/bin/genisoimage -volid cidata -joliet -rock -o $out/metadata.iso $out/iso
'';
};
in makeTest {
name = "cloud-init-hostname";
meta = with pkgs.lib.maintainers; {
maintainers = [ lewo illustris ];
};
nodes.machine2 = { ... }: {
virtualisation.qemu.options = [ "-cdrom" "${metadataDrive}/metadata.iso" ];
services.cloud-init.enable = true;
networking.hostName = "";
};
testScript = ''
unnamed.wait_for_unit("cloud-final.service")
assert "testhostname" in unnamed.succeed("hostname")
'';
}