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25 lines
735 B
Nix
25 lines
735 B
Nix
# This module automatically grows the root partition on Amazon EC2 HVM
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# instances. This allows an instance to be created with a bigger root
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# filesystem than provided by the AMI.
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{ config, lib, pkgs, ... }:
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{
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config = lib.mkIf config.ec2.hvm {
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boot.initrd.extraUtilsCommands = ''
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copy_bin_and_libs ${pkgs.gawk}/bin/gawk
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copy_bin_and_libs ${pkgs.gnused}/bin/sed
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copy_bin_and_libs ${pkgs.utillinux}/sbin/sfdisk
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cp -v ${pkgs.cloud-utils}/bin/growpart $out/bin/growpart
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ln -s sed $out/bin/gnused
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'';
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boot.initrd.postDeviceCommands = ''
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if [ -e /dev/xvda ] && [ -e /dev/xvda1 ]; then
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TMPDIR=/run sh $(type -P growpart) /dev/xvda 1
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udevadm settle
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fi
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'';
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};
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}
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