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nixos/cloud-init: fix hostname and resolvconf configuration

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- Fix hostname configuration on proxmox, which uses "hostname" in user-data
  instead of "local-hostname" in meta-data.
- Allow setting resolv.conf through cloud-init
- Add tests for new changes
- Add timeouts to make tests fail faster
This commit is contained in:
illustris
2022-09-30 19:38:49 +05:30
committed by Rick van Schijndel
parent 5561dcbe94
commit 79cf21151e
4 changed files with 61 additions and 9 deletions
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20
nixos/tests/cloud-init.nix
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@@ -49,19 +49,17 @@ let
gateway: '12.34.56.9'
- type: nameserver
address:
- '8.8.8.8'
- '6.7.8.9'
search:
- 'example.com'
EOF
${pkgs.cdrkit}/bin/genisoimage -volid cidata -joliet -rock -o $out/metadata.iso $out/iso
'';
};
in makeTest {
name = "cloud-init";
meta = with pkgs.lib.maintainers; {
maintainers = [ lewo ];
broken = true; # almost always times out after spending many hours
};
meta.maintainers = with pkgs.lib.maintainers; [ lewo illustris ];
nodes.machine = { ... }:
{
virtualisation.qemu.options = [ "-cdrom" "${metadataDrive}/metadata.iso" ];
@@ -90,21 +88,27 @@ in makeTest {
# we should be able to log in as the root user, as well as the created nixos user
unnamed.succeed(
"ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/id_snakeoil root@localhost 'true'"
"timeout 10 ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/id_snakeoil root@localhost 'true'"
)
unnamed.succeed(
"ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/id_snakeoil nixos@localhost 'true'"
"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(
"ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/id_snakeoil nixos@localhost 'hostname'"
"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")
'';
}