diff options
Diffstat (limited to 'nixos/tests/common/ec2.nix')
-rw-r--r-- | nixos/tests/common/ec2.nix | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/nixos/tests/common/ec2.nix b/nixos/tests/common/ec2.nix new file mode 100644 index 00000000000..64b0a91ac1f --- /dev/null +++ b/nixos/tests/common/ec2.nix @@ -0,0 +1,66 @@ +{ pkgs, makeTest }: + +with pkgs.lib; + +{ + makeEc2Test = { name, image, userData, script, hostname ? "ec2-instance", sshPublicKey ? null, meta ? {} }: + let + metaData = pkgs.stdenv.mkDerivation { + name = "metadata"; + buildCommand = '' + mkdir -p $out/1.0/meta-data + ln -s ${pkgs.writeText "userData" userData} $out/1.0/user-data + echo "${hostname}" > $out/1.0/meta-data/hostname + echo "(unknown)" > $out/1.0/meta-data/ami-manifest-path + '' + optionalString (sshPublicKey != null) '' + mkdir -p $out/1.0/meta-data/public-keys/0 + ln -s ${pkgs.writeText "sshPublicKey" sshPublicKey} $out/1.0/meta-data/public-keys/0/openssh-key + ''; + }; + in makeTest { + name = "ec2-" + name; + nodes = {}; + testScript = '' + import os + import subprocess + import tempfile + + image_dir = os.path.join( + os.environ.get("TMPDIR", tempfile.gettempdir()), "tmp", "vm-state-machine" + ) + os.makedirs(image_dir, mode=0o700, exist_ok=True) + disk_image = os.path.join(image_dir, "machine.qcow2") + subprocess.check_call( + [ + "qemu-img", + "create", + "-f", + "qcow2", + "-o", + "backing_file=${image}", + disk_image, + ] + ) + subprocess.check_call(["qemu-img", "resize", disk_image, "10G"]) + + # Note: we use net=169.0.0.0/8 rather than + # net=169.254.0.0/16 to prevent dhcpcd from getting horribly + # confused. (It would get a DHCP lease in the 169.254.* + # range, which it would then configure and prompty delete + # again when it deletes link-local addresses.) Ideally we'd + # turn off the DHCP server, but qemu does not have an option + # to do that. + start_command = ( + "qemu-kvm -m 1024" + + " -device virtio-net-pci,netdev=vlan0" + + " -netdev 'user,id=vlan0,net=169.0.0.0/8,guestfwd=tcp:169.254.169.254:80-cmd:${pkgs.micro-httpd}/bin/micro_httpd ${metaData}'" + + f" -drive file={disk_image},if=virtio,werror=report" + + " $QEMU_OPTS" + ) + + machine = create_machine({"startCommand": start_command}) + '' + script; + + inherit meta; + }; +} |