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nixpkgs/nixos/tests/cloud-init.nix
Silvan Mosberger 4f0dadbf38 treewide: format all inactive Nix files
After final improvements to the official formatter implementation,
this commit now performs the first treewide reformat of Nix files using it.
This is part of the implementation of RFC 166.

Only "inactive" files are reformatted, meaning only files that
aren't being touched by any PR with activity in the past 2 months.
This is to avoid conflicts for PRs that might soon be merged.
Later we can do a full treewide reformat to get the rest,
which should not cause as many conflicts.

A CI check has already been running for some time to ensure that new and
already-formatted files are formatted, so the files being reformatted here
should also stay formatted.

This commit was automatically created and can be verified using

    nix-build a08b3a4d19.tar.gz \
      --argstr baseRev b32a094368
    result/bin/apply-formatting $NIXPKGS_PATH
2024-12-10 20:26:33 +01:00

127 lines
3.4 KiB
Nix

{
system ? builtins.currentSystem,
config ? { },
pkgs ? import ../.. { inherit system config; },
}:
with import ../lib/testing-python.nix { inherit system pkgs; };
with pkgs.lib;
let
inherit (import ./ssh-keys.nix pkgs)
snakeOilPrivateKey
snakeOilPublicKey
;
metadataDrive = pkgs.stdenv.mkDerivation {
name = "metadata";
buildCommand = ''
mkdir -p $out/iso
cat << EOF > $out/iso/user-data
#cloud-config
write_files:
- content: |
cloudinit
path: /tmp/cloudinit-write-file
users:
- default
- name: nixos
ssh_authorized_keys:
- "${snakeOilPublicKey}"
EOF
cat << EOF > $out/iso/meta-data
instance-id: iid-local01
local-hostname: "test"
public-keys:
- "${snakeOilPublicKey}"
EOF
cat << EOF > $out/iso/network-config
version: 1
config:
- type: physical
name: eth0
mac_address: '52:54:00:12:34:56'
subnets:
- type: static
address: '12.34.56.78'
netmask: '255.255.255.0'
gateway: '12.34.56.9'
- type: nameserver
address:
- '6.7.8.9'
search:
- 'example.com'
EOF
${pkgs.cdrkit}/bin/genisoimage -volid cidata -joliet -rock -o $out/metadata.iso $out/iso
'';
};
in
makeTest {
name = "cloud-init";
meta.maintainers = with pkgs.lib.maintainers; [
lewo
illustris
];
nodes.machine =
{ ... }:
{
virtualisation.qemu.options = [
"-cdrom"
"${metadataDrive}/metadata.iso"
];
services.cloud-init = {
enable = true;
network.enable = true;
};
services.openssh.enable = true;
networking.hostName = "";
networking.useDHCP = false;
};
testScript = ''
# To wait until cloud-init terminates its run
unnamed.wait_for_unit("cloud-init-local.service")
unnamed.wait_for_unit("cloud-final.service")
unnamed.succeed("cat /tmp/cloudinit-write-file | grep -q 'cloudinit'")
# install snakeoil ssh key and provision .ssh/config file
unnamed.succeed("mkdir -p ~/.ssh")
unnamed.succeed(
"cat ${snakeOilPrivateKey} > ~/.ssh/id_snakeoil"
)
unnamed.succeed("chmod 600 ~/.ssh/id_snakeoil")
unnamed.wait_for_unit("sshd.service")
# we should be able to log in as the root user, as well as the created nixos user
unnamed.succeed(
"timeout 10 ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/id_snakeoil root@localhost 'true'"
)
unnamed.succeed(
"timeout 10 ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/id_snakeoil nixos@localhost 'true'"
)
# test changing hostname via cloud-init worked
assert (
unnamed.succeed(
"timeout 10 ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/id_snakeoil nixos@localhost 'hostname'"
).strip()
== "test"
)
# check IP and route configs
assert "default via 12.34.56.9 dev eth0 proto static" in unnamed.succeed("ip route")
assert "12.34.56.0/24 dev eth0 proto kernel scope link src 12.34.56.78" in unnamed.succeed("ip route")
# check nameserver and search configs
assert "6.7.8.9" in unnamed.succeed("resolvectl status")
assert "example.com" in unnamed.succeed("resolvectl status")
'';
}