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86 lines
4.3 KiB
Nix
86 lines
4.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.virtualisation.azure;
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mlxDrivers = [ "mlx4_en" "mlx4_core" "mlx5_core" ];
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in
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{
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options.virtualisation.azure = {
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acceleratedNetworking = mkOption {
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default = false;
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description = "Whether the machine's network interface has enabled accelerated networking.";
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};
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};
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imports = [
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../profiles/headless.nix
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./azure-agent.nix
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];
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config = {
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virtualisation.azure.agent.enable = true;
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boot.kernelParams = [ "console=ttyS0" "earlyprintk=ttyS0" "rootdelay=300" "panic=1" "boot.panic_on_fail" ];
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boot.initrd.kernelModules = [ "hv_vmbus" "hv_netvsc" "hv_utils" "hv_storvsc" ];
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boot.initrd.availableKernelModules = lib.optionals cfg.acceleratedNetworking mlxDrivers;
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# Accelerated networking
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systemd.network.networks."99-azure-unmanaged-devices.network" = lib.mkIf cfg.acceleratedNetworking {
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matchConfig.Driver = mlxDrivers;
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linkConfig.Unmanaged = "yes";
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};
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networking.networkmanager.unmanaged = lib.mkIf cfg.acceleratedNetworking
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(builtins.map (drv: "driver:${drv}") mlxDrivers);
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# Generate a GRUB menu.
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boot.loader.grub.device = "/dev/sda";
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boot.growPartition = true;
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fileSystems."/" = {
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device = "/dev/disk/by-label/nixos";
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fsType = "ext4";
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autoResize = true;
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};
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# Allow root logins only using the SSH key that the user specified
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# at instance creation time, ping client connections to avoid timeouts
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services.openssh.enable = true;
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services.openssh.settings.PermitRootLogin = "prohibit-password";
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services.openssh.settings.ClientAliveInterval = 180;
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# Force getting the hostname from Azure
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networking.hostName = mkDefault "";
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# Always include cryptsetup so that NixOps can use it.
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# sg_scan is needed to finalize disk removal on older kernels
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environment.systemPackages = [ pkgs.cryptsetup pkgs.sg3_utils ];
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networking.usePredictableInterfaceNames = false;
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services.udev.extraRules = ''
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:0", ATTR{removable}=="0", SYMLINK+="disk/by-lun/0",
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:1", ATTR{removable}=="0", SYMLINK+="disk/by-lun/1",
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:2", ATTR{removable}=="0", SYMLINK+="disk/by-lun/2"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:3", ATTR{removable}=="0", SYMLINK+="disk/by-lun/3"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:4", ATTR{removable}=="0", SYMLINK+="disk/by-lun/4"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:5", ATTR{removable}=="0", SYMLINK+="disk/by-lun/5"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:6", ATTR{removable}=="0", SYMLINK+="disk/by-lun/6"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:7", ATTR{removable}=="0", SYMLINK+="disk/by-lun/7"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:8", ATTR{removable}=="0", SYMLINK+="disk/by-lun/8"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:9", ATTR{removable}=="0", SYMLINK+="disk/by-lun/9"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:10", ATTR{removable}=="0", SYMLINK+="disk/by-lun/10"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:11", ATTR{removable}=="0", SYMLINK+="disk/by-lun/11"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:12", ATTR{removable}=="0", SYMLINK+="disk/by-lun/12"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:13", ATTR{removable}=="0", SYMLINK+="disk/by-lun/13"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:14", ATTR{removable}=="0", SYMLINK+="disk/by-lun/14"
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ENV{DEVTYPE}=="disk", KERNEL!="sda" SUBSYSTEM=="block", SUBSYSTEMS=="scsi", KERNELS=="?:0:0:15", ATTR{removable}=="0", SYMLINK+="disk/by-lun/15"
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'';
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};
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}
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