nixpkgs/nixos/modules/virtualisation/azure-common.nix

85 lines
4.3 KiB
Nix

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