Initial attempt at new server on nocix

I'm not sure if this will work - I'm running it now - but I want to
commit it so I can see what changes I ended up needing after
establishing a baseline reading through the nixos-anywhere getting
started instructions.
This commit is contained in:
Eli Ribble 2025-09-04 16:15:15 +00:00
parent 1cd29c96c5
commit da2947b293
10 changed files with 279 additions and 133 deletions

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@ -1,70 +0,0 @@
{ lib, modulesPath, ... }:
{
imports = [
"${modulesPath}/virtualisation/digital-ocean-config.nix"
];
# do not use DHCP, as DigitalOcean provisions IPs using cloud-init
networking.useDHCP = lib.mkForce false;
# Disables all modules that do not work with NixOS
services.cloud-init = {
enable = true;
network.enable = true;
settings = {
datasource_list = [
"ConfigDrive"
"Digitalocean"
];
datasource.ConfigDrive = { };
datasource.Digitalocean = { };
# Based on https://github.com/canonical/cloud-init/blob/main/config/cloud.cfg.tmpl
cloud_init_modules = [
"seed_random"
"bootcmd"
"write_files"
"growpart"
"resizefs"
"set_hostname"
"update_hostname"
# Not support on NixOS
#"update_etc_hosts"
# throws error
#"users-groups"
# tries to edit /etc/ssh/sshd_config
#"ssh"
"set_password"
];
cloud_config_modules = [
"ssh-import-id"
"keyboard"
# doesn't work with nixos
#"locale"
"runcmd"
"disable_ec2_metadata"
];
## The modules that run in the 'final' stage
cloud_final_modules = [
"write_files_deferred"
"puppet"
"chef"
"ansible"
"mcollective"
"salt_minion"
"reset_rmc"
# install dotty agent fails
#"scripts_vendor"
"scripts_per_once"
"scripts_per_boot"
# /var/lib/cloud/scripts/per-instance/machine_id.sh has broken shebang
#"scripts_per_instance"
"scripts_user"
"ssh_authkey_fingerprints"
"keys_to_console"
"install_hotplug"
"phone_home"
"final_message"
];
};
};
}

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@ -20,9 +20,4 @@
pkgs.dig
];
myModules = {
# Disable standard cloud-init, use nixos-anywhere special cloud-init instead
cloud-init.enable = false;
do-agent.enable = true;
};
}

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@ -0,0 +1,77 @@
{ lib, modulesPath, ... }:
{
imports = [
"${modulesPath}/virtualisation/digital-ocean-config.nix"
./configuration.nix
];
myModules = {
# Disable standard cloud-init, use nixos-anywhere special cloud-init instead
cloud-init.enable = false;
do-agent.enable = true;
};
# do not use DHCP, as DigitalOcean provisions IPs using cloud-init
networking.useDHCP = lib.mkForce false;
# Disables all modules that do not work with NixOS
services.cloud-init = {
enable = true;
network.enable = true;
settings = {
datasource_list = [
"ConfigDrive"
"Digitalocean"
];
datasource.ConfigDrive = { };
datasource.Digitalocean = { };
# Based on https://github.com/canonical/cloud-init/blob/main/config/cloud.cfg.tmpl
cloud_init_modules = [
"seed_random"
"bootcmd"
"write_files"
"growpart"
"resizefs"
"set_hostname"
"update_hostname"
# Not support on NixOS
#"update_etc_hosts"
# throws error
#"users-groups"
# tries to edit /etc/ssh/sshd_config
#"ssh"
"set_password"
];
cloud_config_modules = [
"ssh-import-id"
"keyboard"
# doesn't work with nixos
#"locale"
"runcmd"
"disable_ec2_metadata"
];
## The modules that run in the 'final' stage
cloud_final_modules = [
"write_files_deferred"
"puppet"
"chef"
"ansible"
"mcollective"
"salt_minion"
"reset_rmc"
# install dotty agent fails
#"scripts_vendor"
"scripts_per_once"
"scripts_per_boot"
# /var/lib/cloud/scripts/per-instance/machine_id.sh has broken shebang
#"scripts_per_instance"
"scripts_user"
"ssh_authkey_fingerprints"
"keys_to_console"
"install_hotplug"
"phone_home"
"final_message"
];
};
};
}

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@ -0,0 +1,56 @@
# Example to create a bios compatible gpt partition
{ lib, ... }:
{
disko.devices = {
disk.disk1 = {
device = lib.mkDefault "/dev/sda";
type = "disk";
content = {
type = "gpt";
partitions = {
boot = {
name = "boot";
size = "1M";
type = "EF02";
};
esp = {
name = "ESP";
size = "500M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
};
root = {
name = "root";
size = "100%";
content = {
type = "lvm_pv";
vg = "pool";
};
};
};
};
};
lvm_vg = {
pool = {
type = "lvm_vg";
lvs = {
root = {
size = "100%FREE";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/";
mountOptions = [
"defaults"
];
};
};
};
};
};
};
}

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@ -1,56 +0,0 @@
# Example to create a bios compatible gpt partition
{ lib, ... }:
{
disko.devices = {
disk.disk1 = {
device = lib.mkDefault "/dev/sda";
type = "disk";
content = {
type = "gpt";
partitions = {
boot = {
name = "boot";
size = "1M";
type = "EF02";
};
esp = {
name = "ESP";
size = "500M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
};
root = {
name = "root";
size = "100%";
content = {
type = "lvm_pv";
vg = "pool";
};
};
};
};
};
lvm_vg = {
pool = {
type = "lvm_vg";
lvs = {
root = {
size = "100%FREE";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/";
mountOptions = [
"defaults"
];
};
};
};
};
};
};
}

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@ -42,8 +42,7 @@
# tested with 2GB/2CPU droplet, 1GB droplets do not have enough RAM for kexec
nixosConfigurations.digitalocean = nixpkgs.lib.nixosSystem {
modules = [
./configuration.nix
./digitalocean.nix
./digitalocean
disko.nixosModules.disko
{ disko.devices.disk.disk1.device = "/dev/vda"; }
home-manager.nixosModules.home-manager {
@ -71,5 +70,34 @@
};
system = "${system}";
};
nixosConfigurations.nocix = nixpkgs.lib.nixosSystem {
modules = [
../modules
../users
./nocix
disko.nixosModules.disko
home-manager.nixosModules.home-manager {
home-manager.extraSpecialArgs = { inherit configFiles; };
home-manager.sharedModules = [
nixvim.homeManagerModules.nixvim
../modules/home/nixvim.nix
];
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
}
sops-nix.nixosModules.sops {
sops = {
age.generateKey = true;
age.keyFile = "/var/libs/sops-nix/key.txt";
age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
defaultSopsFile = ./secrets/secrets.yaml;
};
}
];
specialArgs = {
inherit configFiles;
};
system = "${system}";
};
};
}

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@ -0,0 +1,36 @@
{
modulesPath,
lib,
pkgs,
...
} @ args:
{
imports = [
(modulesPath + "/installer/scan/not-detected.nix")
(modulesPath + "/profiles/qemu-guest.nix")
./disk-config.nix
];
boot.loader.grub = {
# no need to set devices, disko will add all devices that have a EF02 partition to the list already
# devices = [ ];
efiSupport = true;
efiInstallAsRemovable = true;
};
environment.systemPackages = map lib.lowPrio [
pkgs.dig
];
networking = {
defaultGateway = {
address = "107.150.59.201";
interface = "enp2s0";
};
interfaces.enp2s0 = {
ipv4.addresses = [{
address = "107.150.59.202";
prefixLength = 29;
}];
};
nameservers = ["192.187.107.16"];
search = ["nocix.net"];
};
}

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@ -0,0 +1,6 @@
{
imports = [
./configuration.nix
./hardware-configuration.nix
];
}

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@ -0,0 +1,56 @@
# Example to create a bios compatible gpt partition
{ lib, ... }:
{
disko.devices = {
disk.disk1 = {
device = lib.mkDefault "/dev/sda";
type = "disk";
content = {
type = "gpt";
partitions = {
boot = {
name = "boot";
size = "1M";
type = "EF02";
};
esp = {
name = "ESP";
size = "500M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
};
root = {
name = "root";
size = "100%";
content = {
type = "lvm_pv";
vg = "pool";
};
};
};
};
};
lvm_vg = {
pool = {
type = "lvm_vg";
lvs = {
root = {
size = "100%FREE";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/";
mountOptions = [
"defaults"
];
};
};
};
};
};
};
}

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@ -0,0 +1,18 @@
# Do not modify this file! It was generated by nixos-generate-config
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/installer/scan/not-detected.nix")
];
boot.initrd.availableKernelModules = [ "ahci" "ohci_pci" "ehci_pci" "xhci_pci" "sd_mod" ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ "kvm-amd" ];
boot.extraModulePackages = [ ];
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
}