338 lines
9.4 KiB
Nix
338 lines
9.4 KiB
Nix
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{ config, lib, ... }@args:
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let
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inherit (lib)
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mkEnableOption
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mkDefault
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mkIf
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mkOption
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;
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inherit (lib.types)
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attrs
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attrsOf
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ints
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listOf
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nullOr
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str
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submodule
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unspecified
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;
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addressType =
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max:
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submodule {
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options = {
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address = mkOption {
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type = str;
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description = "IP address.";
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};
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prefixLength = mkOption {
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type = ints.between 8 max;
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description = "Length of the prefix used in the local network.";
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};
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};
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};
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org = config.organization;
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in
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{
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options = {
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organization = {
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members = mkOption {
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type = attrsOf (submodule {
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options = {
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name = mkOption {
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type = str;
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description = ''
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Name of the member.
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'';
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};
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email = mkOption {
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type = str;
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description = ''
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Main e-mail address of the member.
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'';
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};
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};
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});
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description = ''
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Members of the DGNum organization.
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'';
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};
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groups = mkOption {
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type = attrsOf (listOf str);
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description = ''
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Groups of the DGNum organization.
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'';
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};
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};
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nodes = mkOption {
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type = attrsOf (
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submodule (
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{ config, name, ... }:
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{
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options = {
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deployment = mkOption {
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type = attrs;
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default = { };
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};
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stateVersion = mkOption {
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type = str;
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description = ''
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State version of the node.
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'';
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};
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nixpkgs = mkOption {
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type = str;
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inherit (import ./nixpkgs.nix) default;
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description = ''
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Version of nixpkgs to use.
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'';
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};
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nix-modules = mkOption {
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type = listOf str;
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default = [ ];
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description = ''
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List of modules to import from [nix-modules](https://git.hubrecht.ovh/hubrecht/nix-modules).
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'';
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};
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hashedPassword = mkOption {
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type = str;
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description = ''
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The hashed password for the root account.
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'';
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};
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admins = mkOption {
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type = listOf str;
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default = [ ];
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description = ''
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List of members to be given root access to this node.
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'';
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};
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adminGroups = mkOption {
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type = listOf str;
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default = [ ];
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description = ''
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List of groups to be given root access to this node.
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'';
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};
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site = mkOption {
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type = str;
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description = ''
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Geographical site where the node is located.
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'';
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};
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vm-cluster = mkOption {
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type = nullOr str;
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default = null;
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description = "VM cluster where the VM is located";
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};
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};
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config = {
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deployment = {
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tags = [ "infra-${config.site}" ];
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targetHost =
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let
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ip = with args.config.network.${name}.addresses; ipv4 ++ ipv6;
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in
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mkIf (ip != [ ]) (mkDefault (builtins.head ip));
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};
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};
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}
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)
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);
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description = ''
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Nodes of the infrastructure.
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'';
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};
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network = mkOption {
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type = attrsOf (
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submodule (
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{ config, ... }:
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{
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options = {
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interfaces = mkOption {
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type = attrsOf (
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submodule (
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{ config, ... }:
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{
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options = {
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ipv4 = mkOption {
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type = listOf (addressType 32);
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default = [ ];
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description = ''
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List of ipv4 addresses assigned to the interface.
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'';
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};
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ipv6 = mkOption {
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type = listOf (addressType 64);
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default = [ ];
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description = ''
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List of ipv6 addresses assigned to the interface.
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'';
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};
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gateways = mkOption {
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type = listOf str;
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description = ''
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List of gateways used by the interface.
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'';
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};
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DHCP = mkOption {
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type = nullOr str;
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default = null;
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description = "Whether to enable DHCP on the interface.";
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};
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dns = mkOption {
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type = listOf str;
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default = [ ];
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};
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enableDefaultDNS = mkEnableOption "default DNS servers.";
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};
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config.dns = mkIf config.enableDefaultDNS [
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"1.1.1.1#cloudflare-dns.com"
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"8.8.8.8#dns.google"
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"1.0.0.1#cloudflare-dns.com"
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"8.8.4.4#dns.google"
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"2606:4700:4700::1111#cloudflare-dns.com"
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"2001:4860:4860::8888#dns.google"
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"2606:4700:4700::1001#cloudflare-dns.com"
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"2001:4860:4860::8844#dns.google"
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];
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}
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)
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);
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};
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addresses = {
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ipv4 = mkOption {
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type = listOf str;
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default = [ ];
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description = ''
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List of public ipv4 addresses of the node.
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'';
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};
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ipv6 = mkOption {
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type = listOf str;
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default = [ ];
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description = ''
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List of public ipv6 addresses of the node.
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'';
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};
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};
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hostId = mkOption {
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type = str;
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description = ''
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Network Id of the node.
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'';
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};
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netbirdIp = mkOption {
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type = nullOr str;
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description = ''
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IP address of the node in the netbird network.
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'';
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};
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};
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config =
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let
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getAddresses =
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version: builtins.concatMap (int: builtins.map (builtins.getAttr "address") int.${version});
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in
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{
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addresses = {
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ipv4 = builtins.filter (ip: builtins.substring 0 7 ip != "192.168") (
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getAddresses "ipv4" (builtins.attrValues config.interfaces)
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);
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ipv6 = builtins.filter (_: true) ((getAddresses "ipv6") (builtins.attrValues config.interfaces));
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};
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};
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}
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)
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);
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description = ''
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Network configuration for the different machines.
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'';
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};
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assertions = mkOption {
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type = listOf unspecified;
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internal = true;
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default = [ ];
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description = ''
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This option allows modules to express conditions that must
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hold for the evaluation of the system configuration to
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succeed, along with associated error messages for the user.
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'';
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};
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};
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config =
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let
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members = builtins.attrNames org.members;
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groups = builtins.attrNames org.groups;
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nameExists =
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list: f: groups:
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builtins.attrValues (
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builtins.mapAttrs (name: members: {
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assertion = builtins.all (x: builtins.elem x list) members;
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message = f name;
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}) groups
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);
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membersExists = nameExists members;
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groupsExists = nameExists groups;
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extract = name: builtins.mapAttrs (_: builtins.getAttr name);
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in
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{
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assertions = builtins.concatLists [
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# Check that all group members exist
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(membersExists (
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name: "A member of the ${name} group was not found in the members list."
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) org.groups)
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# Check that all node admins exist
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(membersExists (name: "A member of the node ${name} admins was not found in the members list.") (
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extract "admins" config.nodes
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))
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# Check that all node adminGroups exist
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(groupsExists (name: "A member of the node ${name} adminGroups was not found in the groups list.") (
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extract "adminGroups" config.nodes
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))
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# Check that all members have ssh keys
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(builtins.map (name: {
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assertion = ((import ../keys)._keys.${name} or [ ]) != [ ];
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message = "No ssh keys found for ${name}.";
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}) members)
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];
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};
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}
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