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Merge pull request #161253 from flokli/kexec-boot

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nixos/installer: add kexec-boot
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Florian Klink 2022-04-14 15:30:30 +02:00 • committed by GitHub
commit e97fc37e55
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2 changed files with 89 additions and 14 deletions
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52
nixos/tests/kexec.nix
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@ -1,22 +1,46 @@
# Test whether fast reboots via kexec work.
import ./make-test-python.nix ({ pkgs, lib, ...} : {
import ./make-test-python.nix ({ pkgs, lib, ... }: {
name = "kexec";
meta = with lib.maintainers; {
maintainers = [ eelco ];
maintainers = [ flokli lassulus ];
};
nodes.machine = { ... }:
{ virtualisation.vlans = [ ]; };
nodes = {
node1 = { ... }: {
virtualisation.vlans = [ ];
virtualisation.memorySize = 4 * 1024;
virtualisation.useBootLoader = true;
virtualisation.useEFIBoot = true;
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
};
testScript =
''
machine.wait_for_unit("multi-user.target")
machine.succeed('kexec --load /run/current-system/kernel --initrd /run/current-system/initrd --command-line "$(</proc/cmdline)"')
machine.execute("systemctl kexec >&2 &", check_return=False)
machine.connected = False
machine.connect()
machine.wait_for_unit("multi-user.target")
machine.shutdown()
'';
node2 = { modulesPath, ... }: {
virtualisation.vlans = [ ];
imports = [
"${modulesPath}/installer/kexec/kexec-boot.nix"
];
};
};
testScript = { nodes, ... }: ''
node1.wait_for_unit("multi-user.target")
node1.succeed('kexec --load /run/current-system/kernel --initrd /run/current-system/initrd --command-line "$(</proc/cmdline)"')
node1.execute("systemctl kexec >&2 &", check_return=False)
node1.connected = False
node1.connect()
node1.wait_for_unit("multi-user.target")
# Check the machine with kexec-boot.nix profile boots up
node2.wait_for_unit("multi-user.target")
node2.shutdown()
# Kexec node1 to the toplevel of node2 via the kexec-boot script
node1.succeed('touch /run/foo')
node1.execute('${nodes.node2.config.system.build.kexecBoot}/kexec-boot', check_return=False)
node1.succeed('! test -e /run/foo')
node1.shutdown()
'';
})