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node inheritance + group parsing

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This commit is contained in:
do butterflies cry? 2026-03-15 01:10:36 +10:00
parent d891a92357
commit f819933c8d
Signed by: cry
GPG key ID: F68745A836CA0412
12 changed files with 422 additions and 253 deletions
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15
nix/snow/flake/outputs/checks.nix
View file

@ -1,5 +1,10 @@
checks =
inputs.deploy-rs.lib
|> mapAttrs (system: deployLib:
deployLib.deployChecks deploy);
{
config,
_snow,
...
}: {
outputs.checks =
_snow.inputs.deploy-rs.lib
|> builtins.mapAttrs (system: deployLib:
deployLib.deployChecks config.outputs.deploy);
}

133
nix/snow/flake/outputs/deploy.nix
View file

@ -1,57 +1,90 @@
deploy.nodes = mapNodes nodes ({
name,
node,
...
}: let
inherit
(node.deploy)
ssh
user
interactiveSudo
remoteBuild
rollback
autoRollback
magicRollback
activationTimeout
confirmTimeout
;
{
_snow,
config,
...
}: let
inherit
(builtins)
mapAttrs
;
nixosFor = system: inputs.deploy-rs.lib.${system}.activate.nixos;
in {
hostname =
if ssh.host != null
then ssh.host
else "";
mapNodes = nodes: f:
nodes.nodes
|> mapAttrs (name: node: let
# use per-node base or default to nodes' base
base =
if node.base != null
then node.base
else if nodes.base != null
then nodes.base
else
abort ''
snow cannot construct nodes node "${name}" without a base package source.
Ensure `nodes.nodes.*.base` or `nodes.base` is a flake reference to the github:NixOS/nixpkgs repository.
'';
in
f rec {
inherit name node base;
inherit (base) lib;
profilesOrder = ["default"]; # profiles priority
profiles.default = {
path = nixosFor node.system nixosConfigurations.${name};
groups = node.groups (parseGroupsDecl nodes.groups);
groupModules = root: getGroupModules root groups;
});
in {
outputs.deploy.nodes = mapNodes config.nodes ({
name,
node,
...
}: let
inherit
(node.deploy)
ssh
user
interactiveSudo
remoteBuild
rollback
autoRollback
magicRollback
activationTimeout
confirmTimeout
;
user = user;
sudo = "sudo -u";
interactiveSudo = interactiveSudo;
nixosFor = system: _snow.inputs.deploy-rs.lib.${system}.activate.nixos;
in {
hostname =
if ssh.host != null
then ssh.host
else "";
fastConnection = false;
profilesOrder = ["default"]; # profiles priority
profiles.default = {
path = nixosFor node.system config.outputs.nixosConfigurations.${name};
autoRollback = autoRollback -> rollback;
magicRollback = magicRollback -> rollback;
activationTimeout = activationTimeout;
confirmTimeout = confirmTimeout;
user = user;
sudo = "sudo -u";
interactiveSudo = interactiveSudo;
remoteBuild = remoteBuild;
sshUser = ssh.user;
sshOpts =
ssh.opts
++ (
if elem "-p" ssh.opts
then []
else ["-p" (toString ssh.port)]
)
++ (
if elem "-A" ssh.opts
then []
else ["-A"]
);
};
});
fastConnection = false;
autoRollback = autoRollback -> rollback;
magicRollback = magicRollback -> rollback;
activationTimeout = activationTimeout;
confirmTimeout = confirmTimeout;
remoteBuild = remoteBuild;
sshUser = ssh.user;
sshOpts =
ssh.opts
++ (
if builtins.elem "-p" ssh.opts
then []
else ["-p" (toString ssh.port)]
)
++ (
if builtins.elem "-A" ssh.opts
then []
else ["-A"]
);
};
});
}

126
nix/snow/flake/outputs/nixosConfigurations.nix
View file

@ -8,60 +8,78 @@
# options = { ... };
# type = { ... };
# }
nixosConfigurations = mapNodes nodes (
{
base,
lib,
name,
node,
groupModules,
...
}: let
homeManager =
if node.homeManager != null
then node.homeManager
else if nodes.homeManager != null
then nodes.homeManager
else
warn ''
[snowflake] Neither `nodes.homeManager` nor `nodes.nodes.${name}.homeManager` were specified!
[snowflake] home-manager will NOT be used! User configuration will be ignored!
''
null;
{
snow,
config,
systems,
root,
...
}: let
inherit
(builtins)
all
attrNames
warn
;
userArgs = nodes.args // node.args;
ceruleanArgs = {
inherit systems root base nodes node;
inherit (node) system;
inherit (this) snow;
hostname = name;
inherit
(config)
nodes
;
in {
outputs.nixosConfigurations = mapNodes nodes (
{
base,
lib,
name,
node,
groupModules,
...
}: let
homeManager =
if node.homeManager != null
then node.homeManager
else if nodes.homeManager != null
then nodes.homeManager
else
warn ''
[snowflake] Neither `nodes.homeManager` nor `nodes.nodes.${name}.homeManager` were specified!
[snowflake] home-manager will NOT be used! User configuration will be ignored!
''
null;
_cerulean = {
inherit inputs userArgs ceruleanArgs homeManager;
specialArgs = userArgs // ceruleanArgs;
};
userArgs = nodes.args // node.args;
snowArgs = {
inherit systems snow root base nodes node;
inherit (node) system;
hostname = name;
_snow = {
inherit inputs userArgs snowArgs homeManager;
specialArgs = userArgs // snowArgs;
};
specialArgs = assert (userArgs
|> attrNames
|> all (argName:
! ceruleanArgs ? argName
|| abort ''
`specialArgs` are like super important to Cerulean my love... </3
But `args.${argName}` is a reserved argument name :(
''));
ceruleanArgs._cerulean.specialArgs;
in
lib.nixosSystem {
inherit (node) system;
inherit specialArgs;
modules =
[
self.nixosModules.default
(this.findImport /${root}/hosts/${name})
]
++ (groupModules root)
++ node.modules
++ nodes.modules;
}
);
};
specialArgs = assert (userArgs
|> attrNames
|> all (argName:
! snowArgs ? argName
|| abort ''
`specialArgs` are like super important to Snow my love... </3
But `args.${argName}` is a reserved argument name :(
''));
snowArgs._snow.specialArgs;
in
lib.nixosSystem {
inherit (node) system;
inherit specialArgs;
modules =
[
snow.nixosModules.default
(snow.findImport /${root}/hosts/${name})
]
++ (groupModules root)
++ node.modules
++ nodes.modules;
}
);
}