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chore: move topology to subfolder

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oddlama 2024-03-14 13:07:05 +01:00
parent 76ec1d9c51
commit fd0069c626
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5 changed files with 3 additions and 2 deletions
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2
modules/default.nix
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@ -40,7 +40,7 @@
./wireguard-proxy.nix
./wireguard.nix
./topology.nix
../topology/module.nix
];
nixpkgs.overlays = [

157
modules/topology.nix
View file

@ -1,157 +0,0 @@
{
config,
lib,
...
}: let
inherit
(lib)
flip
filterAttrs
mapAttrs
mapAttrs'
mapAttrsToList
mkMerge
mkOption
nameValuePair
types
;
in {
options.topology = {
id = mkOption {
description = ''
The attribute name in the given `nodes` which corresponds to this host.
Please overwrite it with a unique identifier if your hostnames are not
unique or don't reflect the name you use to refer to that node.
'';
default = config.networking.hostName;
# TODO ensure unique across the board
type = types.str;
};
type = mkOption {
description = "TODO";
default = "normal";
type = types.enum ["normal" "microvm" "nixos-container"];
};
guests = mkOption {
description = "TODO guests ids (topology.node.<name>.id) ensure exists";
default = [];
type = types.listOf types.str;
};
disks = mkOption {
default = {};
type = types.attrsOf (types.submodule (submod: {
options = {
name = mkOption {
description = "The name of this disk";
default = submod.config._module.args.name;
readOnly = true;
type = types.str;
};
};
}));
};
interfaces = mkOption {
description = "TODO";
default = {};
type = types.attrsOf (types.submodule (submod: {
options = {
name = mkOption {
description = "The name of this interface";
type = types.str;
readOnly = true;
default = submod.config._module.args.name;
};
mac = mkOption {
description = "The MAC address of this interface, if known.";
default = null;
type = types.nullOr types.str;
};
addresses = mkOption {
description = "The configured address(es), or a descriptive string (like DHCP).";
type = types.listOf types.str;
};
network = mkOption {
description = ''
The global name of the attached/spanned network.
If this is given, this interface can be shown in the network graph.
'';
default = null;
type = types.nullOr types.str;
};
};
}));
};
firewallRules = mkOption {
description = "TODO";
default = {};
type = types.attrsOf (types.submodule (submod: {
options = {
name = mkOption {
description = "The name of this firewall rule";
type = types.str;
readOnly = true;
default = submod.config._module.args.name;
};
contents = mkOption {
description = "A human readable summary of this rule's effects";
type = types.lines;
};
};
}));
};
};
config.topology = mkMerge [
{
################### TODO user config! #################
id = config.node.name;
################### END user config #################
guests =
flip mapAttrsToList (config.microvm.vms or {})
(_: vmCfg: vmCfg.config.config.topology.id);
# TODO: container
disks =
flip mapAttrs (config.disko.devices.disk or {})
(_: _: {});
# TODO: zfs pools from disko / fileSystems
# TODO: microvm shares
# TODO: container shares
# TODO: OCI containers shares
interfaces = let
isNetwork = netDef: (netDef.matchConfig != {}) && (netDef.address != [] || netDef.DHCP != null);
macsByName = mapAttrs' (flip nameValuePair) (config.networking.renameInterfacesByMac or {});
netNameFor = netName: netDef:
netDef.matchConfig.Name
or (
if netDef ? matchConfig.MACAddress && macsByName ? ${netDef.matchConfig.MACAddress}
then macsByName.${netDef.matchConfig.MACAddress}
else lib.trace "Could not derive network name for systemd network ${netName} on host ${config.node.name}, using unit name as fallback." netName
);
netMACFor = netDef: netDef.matchConfig.MACAddress or null;
networks = filterAttrs (_: isNetwork) (config.systemd.network.networks or {});
in
flip mapAttrs' networks (netName: netDef:
nameValuePair (netNameFor netName netDef) {
mac = netMACFor netDef;
addresses =
if netDef.address != []
then netDef.address
else ["DHCP"];
});
# TODO: for each nftable zone show open ports
}
];
}