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Improve usage of roles. It should be much easier to read and use now.

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This commit is contained in:
Zuckerberg
2025-03-29 22:48:14 -07:00
parent 1f9fbd87ac
commit 8c4dc9cb74
8 changed files with 152 additions and 128 deletions
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191
common/machine-info/default.nix
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@@ -5,6 +5,90 @@
let
machines = config.machines.hosts;
hostOptionsSubmoduleType = lib.types.submodule {
options = {
hostNames = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = ''
List of hostnames for this machine. The first one is the default so it is the target of deployments.
Used for automatically trusting hosts for ssh connections.
'';
};
arch = lib.mkOption {
type = lib.types.enum [ "x86_64-linux" "aarch64-linux" ];
description = ''
The architecture of this machine.
'';
};
systemRoles = lib.mkOption {
type = lib.types.listOf lib.types.str; # TODO: maybe use an enum?
description = ''
The set of roles this machine holds. Affects secrets available. (TODO add service config as well using this info)
'';
};
hostKey = lib.mkOption {
type = lib.types.str;
description = ''
The system ssh host key of this machine. Used for automatically trusting hosts for ssh connections
and for decrypting secrets with agenix.
'';
};
remoteUnlock = lib.mkOption {
default = null;
type = lib.types.nullOr (lib.types.submodule {
options = {
hostKey = lib.mkOption {
type = lib.types.str;
description = ''
The system ssh host key of this machine used for luks boot unlocking only.
'';
};
clearnetHost = lib.mkOption {
default = null;
type = lib.types.nullOr lib.types.str;
description = ''
The hostname resolvable over clearnet used to luks boot unlock this machine
'';
};
onionHost = lib.mkOption {
default = null;
type = lib.types.nullOr lib.types.str;
description = ''
The hostname resolvable over tor used to luks boot unlock this machine
'';
};
};
});
};
userKeys = lib.mkOption {
default = [ ];
type = lib.types.listOf lib.types.str;
description = ''
The list of user keys. Each key here can be used to log into all other systems as `googlebot`.
TODO: consider auto populating other programs that use ssh keys such as gitea
'';
};
deployKeys = lib.mkOption {
default = [ ];
type = lib.types.listOf lib.types.str;
description = ''
The list of deployment keys. Each key here can be used to log into all other systems as `root`.
'';
};
configurationPath = lib.mkOption {
type = lib.types.path;
description = ''
The path to this machine's configuration directory.
'';
};
};
};
in
{
imports = [
@@ -13,104 +97,16 @@ in
];
options.machines = {
hosts = lib.mkOption {
type = lib.types.attrsOf
(lib.types.submodule {
options = {
hostNames = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = ''
List of hostnames for this machine. The first one is the default so it is the target of deployments.
Used for automatically trusting hosts for ssh connections.
'';
};
arch = lib.mkOption {
type = lib.types.enum [ "x86_64-linux" "aarch64-linux" ];
description = ''
The architecture of this machine.
'';
};
systemRoles = lib.mkOption {
type = lib.types.listOf lib.types.str; # TODO: maybe use an enum?
description = ''
The set of roles this machine holds. Affects secrets available. (TODO add service config as well using this info)
'';
};
hostKey = lib.mkOption {
type = lib.types.str;
description = ''
The system ssh host key of this machine. Used for automatically trusting hosts for ssh connections
and for decrypting secrets with agenix.
'';
};
remoteUnlock = lib.mkOption {
default = null;
type = lib.types.nullOr (lib.types.submodule {
options = {
hostKey = lib.mkOption {
type = lib.types.str;
description = ''
The system ssh host key of this machine used for luks boot unlocking only.
'';
};
clearnetHost = lib.mkOption {
default = null;
type = lib.types.nullOr lib.types.str;
description = ''
The hostname resolvable over clearnet used to luks boot unlock this machine
'';
};
onionHost = lib.mkOption {
default = null;
type = lib.types.nullOr lib.types.str;
description = ''
The hostname resolvable over tor used to luks boot unlock this machine
'';
};
};
});
};
userKeys = lib.mkOption {
default = [ ];
type = lib.types.listOf lib.types.str;
description = ''
The list of user keys. Each key here can be used to log into all other systems as `googlebot`.
TODO: consider auto populating other programs that use ssh keys such as gitea
'';
};
deployKeys = lib.mkOption {
default = [ ];
type = lib.types.listOf lib.types.str;
description = ''
The list of deployment keys. Each key here can be used to log into all other systems as `root`.
'';
};
configurationPath = lib.mkOption {
type = lib.types.path;
description = ''
The path to this machine's configuration directory.
'';
};
};
});
type = lib.types.attrsOf hostOptionsSubmoduleType;
};
};
options.thisMachine.config = lib.mkOption {
# For ease of use, a direct copy of the host config from machines.hosts.${hostName}
type = hostOptionsSubmoduleType;
};
config = {
assertions = (lib.concatLists (lib.mapAttrsToList
(
@@ -196,5 +192,12 @@ in
builtins.map (p: { "${dirName p}" = p; }) propFiles;
in
properties ../../machines;
# Don't try to evaluate "thisMachine" when reflecting using moduleless.nix.
# When evaluated by moduleless.nix this will fail due to networking.hostName not
# existing. This is because moduleless.nix is not intended for reflection from the
# perspective of a perticular machine but is instead intended for reflecting on
# the properties of all machines as a whole system.
thisMachine.config = config.machines.hosts.${config.networking.hostName};
};
}