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Split Nix config in modules

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This commit is contained in:
Paul-Henri Froidmont 2021-07-15 17:09:32 +02:00
parent 380361eeeb
commit dd5b87f66e
Signed by: phfroidmont
GPG key ID: BE948AFD7E7873BE
7 changed files with 80 additions and 77 deletions
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34
db1.nix
View file

@ -1,34 +0,0 @@
{ modulesPath, pkgs, ... }:
{
imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
boot.loader.grub.device = "/dev/sda";
fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
# Set NIX_PATH to be the same as the Terraform module
# nix.nixPath = [ "nixpkgs=${pkgs}" ];
environment.systemPackages = with pkgs; [
htop
];
boot.cleanTmpDir = true;
networking.hostName = "db1";
networking.domain = "banditlair.com";
networking.firewall.allowPing = true;
networking.firewall.interfaces."enp7s0".allowedTCPPorts = [ 5432 ];
services.openssh.enable = true;
users.users.root.openssh.authorizedKeys.keyFiles = [
./ssh_keys/phfroidmont-desktop.pub
];
services.postgresql = {
enable = true;
package = pkgs.postgresql_12;
initialScript = "/var/keys/postgres-init.sql";
enableTCPIP = true;
authentication = ''
host all all 10.0.1.0/24 md5
'';
};
users.users.postgres.extraGroups = [ "keys" ];
}

46
flake.nix
View file

@ -5,23 +5,49 @@
let
pkgs = nixpkgs.legacyPackages.x86_64-linux;
inputs = with pkgs; [
common = {
modules = [
./hardware/hcloud.nix
./modules/openssh.nix
];
};
in {
devShell.x86_64-linux = pkgs.mkShell {
buildInputs = with pkgs; [
terraform_0_14
sops
];
in {
devShell.x86_64-linux = pkgs.mkShell {
buildInputs = inputs;
};
nixosConfigurations.db1 = nixpkgs.lib.nixosSystem {
nixosConfigurations = {
db1 = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [ { imports = [ ./db1.nix ]; } ];
modules = common.modules ++[
./modules/postgresql.nix
({
environment.systemPackages = with pkgs; [
htop
];
networking.hostName = "db1";
networking.domain = "banditlair.com";
networking.firewall.interfaces."enp7s0".allowedTCPPorts = [ 5432 ];
})
];
};
backend1 = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = common.modules ++[
./modules/murmur.nix
./modules/synapse.nix
({
networking.hostName = "backend1";
networking.domain = "banditlair.com";
networking.firewall.allowedTCPPorts = [ 80 443 64738 ];
networking.firewall.allowedUDPPorts = [ 64738 ];
})
];
};
};
nixosConfigurations.backend1 = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [ { imports = [ ./backend1.nix ]; } ];
};
};
}

10
hardware/hcloud.nix Normal file
View file

@ -0,0 +1,10 @@
{ modulesPath, config, pkgs, ... }:
{
imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
boot.loader.grub.device = "/dev/sda";
fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
boot.cleanTmpDir = true;
networking.firewall.allowPing = true;
}

11
modules/murmur.nix Normal file
View file

@ -0,0 +1,11 @@
{ config, lib, pkgs, ... }:
{
services.murmur = {
enable = true;
bandwidth = 128000;
password = "$MURMURD_PASSWORD";
environmentFile = "/var/keys/murmur.env";
};
users.users.murmur.extraGroups = [ "keys" ];
}

7
modules/openssh.nix Normal file
View file

@ -0,0 +1,7 @@
{ pkgs, lib, config, ... }:
{
services.openssh.enable = true;
users.users.root.openssh.authorizedKeys.keyFiles = [
../ssh_keys/phfroidmont-desktop.pub
];
}

13
modules/postgresql.nix Normal file
View file

@ -0,0 +1,13 @@
{ config, lib, pkgs, ... }:
{
services.postgresql = {
enable = true;
package = pkgs.postgresql_12;
initialScript = "/var/keys/postgres-init.sql";
enableTCPIP = true;
authentication = ''
host all all 10.0.1.0/24 md5
'';
};
users.users.postgres.extraGroups = [ "keys" ];
}

32
backend1.nix → modules/synapse.nix
View file

@ -1,31 +1,10 @@
{ modulesPath, pkgs, lib, config, ... }:
{ pkgs, lib, config, ... }:
let
fqdn =
let
join = hostName: domain: hostName + lib.optionalString (domain != null) ".${domain}";
in join "matrix" config.networking.domain;
in {
imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
boot.loader.grub.device = "/dev/sda";
fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
# Set NIX_PATH to be the same as the Terraform module
# nix.nixPath = [ "nixpkgs=${pkgs}" ];
boot.cleanTmpDir = true;
networking.hostName = "backend1";
networking.domain = "banditlair.com";
networking.firewall.allowPing = true;
networking.firewall.allowedTCPPorts = [ 80 443 64738 ];
networking.firewall.allowedUDPPorts = [ 64738 ];
services.openssh.enable = true;
users.users.root.openssh.authorizedKeys.keyFiles = [
./ssh_keys/phfroidmont-desktop.pub
];
security.acme.email = "letsencrypt.account@banditlair.com";
security.acme.acceptTerms = true;
@ -113,13 +92,4 @@ in {
extraConfigFiles = [ "/var/keys/synapse-extra-config.yaml" ];
};
users.users.matrix-synapse.extraGroups = [ "keys" ];
services.murmur = {
enable = true;
bandwidth = 128000;
password = "$MURMURD_PASSWORD";
environmentFile = "/var/keys/murmur.env";
};
users.users.murmur.extraGroups = [ "keys" ];
}