Merge pull request #244093 from adamcstephens/lxd/vm

lxd: Add VM image and server support for QEMU VMs

3 files changed, 70 insertions, 5 deletions

diff --git a/nixos/tests/lxd/container.nix b/nixos/tests/lxd/container.nix
index 9e56f6e41e054..a2b61b78f7d69 100644
--- a/nixos/tests/lxd/container.nix
+++ b/nixos/tests/lxd/container.nix
@@ -1,7 +1,7 @@
 import ../make-test-python.nix ({ pkgs, lib, ... } :
 
 let
-  lxd-image = import ../../release.nix {
+  releases = import ../../release.nix {
     configuration = {
       # Building documentation makes the test unnecessarily take a longer time:
       documentation.enable = lib.mkForce false;
@@ -11,14 +11,14 @@ let
     };
   };
 
-  lxd-image-metadata = lxd-image.lxdMeta.${pkgs.stdenv.hostPlatform.system};
-  lxd-image-rootfs = lxd-image.lxdImage.${pkgs.stdenv.hostPlatform.system};
+  lxd-image-metadata = releases.lxdContainerMeta.${pkgs.stdenv.hostPlatform.system};
+  lxd-image-rootfs = releases.lxdContainerImage.${pkgs.stdenv.hostPlatform.system};
 
 in {
-  name = "lxd";
+  name = "lxd-container";
 
   meta = with pkgs.lib.maintainers; {
-    maintainers = [ patryk27 ];
+    maintainers = [ patryk27 adamcstephens ];
   };
 
   nodes.machine = { lib, ... }: {
diff --git a/nixos/tests/lxd/default.nix b/nixos/tests/lxd/default.nix
index 2e34907d79369..8ca591211a061 100644
--- a/nixos/tests/lxd/default.nix
+++ b/nixos/tests/lxd/default.nix
@@ -6,4 +6,5 @@
   container = import ./container.nix {inherit system pkgs;};
   nftables = import ./nftables.nix {inherit system pkgs;};
   ui = import ./ui.nix {inherit system pkgs;};
+  virtual-machine = import ./virtual-machine.nix { inherit system pkgs; };
 }
diff --git a/nixos/tests/lxd/virtual-machine.nix b/nixos/tests/lxd/virtual-machine.nix
new file mode 100644
index 0000000000000..93705e9350c5a
--- /dev/null
+++ b/nixos/tests/lxd/virtual-machine.nix
@@ -0,0 +1,64 @@
+import ../make-test-python.nix ({ pkgs, lib, ... }:
+
+let
+  releases = import ../../release.nix {
+    configuration = {
+      # Building documentation makes the test unnecessarily take a longer time:
+      documentation.enable = lib.mkForce false;
+
+      # Our tests require `grep` & friends:
+      environment.systemPackages = with pkgs; [busybox];
+    };
+  };
+
+  lxd-image-metadata = releases.lxdVirtualMachineImageMeta.${pkgs.stdenv.hostPlatform.system};
+  lxd-image-disk = releases.lxdVirtualMachineImage.${pkgs.stdenv.hostPlatform.system};
+
+  instance-name = "instance1";
+in {
+  name = "lxd-virtual-machine";
+
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [adamcstephens];
+  };
+
+  nodes.machine = {lib, ...}: {
+    virtualisation = {
+      diskSize = 4096;
+
+      cores = 2;
+
+      # Ensure we have enough memory for the nested virtual machine
+      memorySize = 1024;
+
+      lxc.lxcfs.enable = true;
+      lxd.enable = true;
+    };
+  };
+
+  testScript = ''
+    def instance_is_up(_) -> bool:
+      status, _ = machine.execute("lxc exec ${instance-name} --disable-stdin --force-interactive /run/current-system/sw/bin/true")
+      return status == 0
+
+    machine.wait_for_unit("sockets.target")
+    machine.wait_for_unit("lxd.service")
+    machine.wait_for_file("/var/lib/lxd/unix.socket")
+
+    # Wait for lxd to settle
+    machine.succeed("lxd waitready")
+
+    machine.succeed("lxd init --minimal")
+
+    with subtest("virtual-machine image can be imported"):
+        machine.succeed("lxc image import ${lxd-image-metadata}/*/*.tar.xz ${lxd-image-disk}/nixos.qcow2 --alias nixos")
+
+    with subtest("virtual-machine can be launched and become available"):
+        machine.succeed("lxc launch nixos ${instance-name} --vm --config limits.memory=512MB --config security.secureboot=false")
+        with machine.nested("Waiting for instance to start and be usable"):
+          retry(instance_is_up)
+
+    with subtest("lxd-agent is started"):
+        machine.succeed("lxc exec ${instance-name} systemctl is-active lxd-agent")
+  '';
+})