Test whether EC2 root volume resizing works
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@ -13,6 +13,13 @@ let
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../../nixos/modules/testing/test-instrumentation.nix
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{ boot.initrd.kernelModules = [ "virtio" "virtio_blk" "virtio_pci" "virtio_ring" ];
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ec2.hvm = true;
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# Hack to make the partition resizing work in QEMU.
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boot.initrd.postDeviceCommands = mkBefore
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''
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ln -s vda /dev/xvda
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ln -s vda1 /dev/xvda1
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'';
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}
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];
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}).config.system.build.amazonImage;
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@ -40,6 +47,7 @@ let
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mkdir $imageDir, 0700;
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my $diskImage = "$imageDir/machine.qcow2";
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system("qemu-img create -f qcow2 -o backing_file=${image}/nixos.img $diskImage") == 0 or die;
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system("qemu-img resize $diskImage 10G") == 0 or die;
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# Note: we use net=169.0.0.0/8 rather than
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# net=169.254.0.0/16 to prevent dhcpcd from getting horribly
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@ -100,7 +108,16 @@ in {
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$machine->succeed("echo localhost,127.0.0.1 ${snakeOilPublicKey} > ~/.ssh/known_hosts");
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$machine->succeed("ssh -o BatchMode=yes localhost exit");
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# Test whether the root disk was resized.
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my $blocks = $machine->succeed("stat -c %b -f /");
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my $bsize = $machine->succeed("stat -c %S -f /");
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my $size = $blocks * $bsize;
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die "wrong free space $size" if $size < 9.7 * 1024 * 1024 * 1024 || $size > 10 * 1024 * 1024 * 1024;
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# Just to make sure resizing is idempotent.
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$machine->shutdown;
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$machine->start;
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$machine->waitForFile("/root/user-data");
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'';
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};
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