remove legacy nexus

This commit is contained in:
do butterflies cry? 2026-02-22 02:39:44 +10:00
parent 45c53f025a
commit be45d2a4d4
4 changed files with 3 additions and 421 deletions

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@ -17,15 +17,15 @@
...
} @ args:
mix.newMixture args (mixture: {
includes.public = [
./nexus
];
submods.public = [
./snow
];
version = "0.2.3";
# WARNING: legacy
mkFlake = mixture.snow.flake;
overlays = [
# build deploy-rs as a package not from the flake input,
# hence we can rely on a nixpkg binary cache.

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@ -1,20 +0,0 @@
# Copyright 2025-2026 _cry64 (Emile Clark-Boman)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
{mix, ...} @ args:
mix.newMixture args (mixture: {
includes.public = [
./nodes.nix
./nexus.nix
];
})

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@ -1,297 +0,0 @@
# Copyright 2025-2026 _cry64 (Emile Clark-Boman)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
{
self,
this,
nt,
inputs,
...
}: let
inherit
(builtins)
all
attrNames
concatLists
concatStringsSep
elem
filter
getAttr
isAttrs
isFunction
isList
mapAttrs
pathExists
typeOf
;
inherit
(this)
mapNodes
;
inherit
(nt)
findImport
;
templateNexus = let
inherit
(nt.naive.terminal)
Terminal
;
in {
base = null;
modules = [];
args = Terminal {};
homeManager = null;
groups = Terminal {};
nodes = Terminal {};
};
ROOT_GROUP_NAME = "all";
parseGroupDecl = groups: let
validGroup = g:
isAttrs g
|| throw ''
Cerulean Nexus groups must be provided as attribute sets, got "${typeOf g}" instead!
Ensure all the group definitions are attribute sets under your call to `cerulean.mkNexus`.
NOTE: Groups can be accessed via `self.groups.PATH.TO.YOUR.GROUP`
'';
delegate = parent: gName: g: let
result =
(g
// {
_name = gName;
_parent = parent;
})
|> mapAttrs (name: value:
if elem name ["_name" "_parent"]
# ignore metadata fields
then value
else assert validGroup value; (delegate result name value));
in
result;
in
assert validGroup groups;
delegate null ROOT_GROUP_NAME groups;
parseNexus = nexus:
assert isAttrs nexus
|| abort ''
Cerulean Nexus config must be provided as an attribute set, got "${typeOf nexus}" instead!
Ensure the `nexus` declaration is an attribute set under your call to `cerulean.mkNexus`.
''; let
decl = nt.projectOnto templateNexus nexus;
in
# XXX: TODO: create a different version of nt.projectOnto that can actually
# XXX: TODO: handle applying a transformation to the result of each datapoint
decl
// {
groups = parseGroupDecl decl.groups;
};
parseDecl = outputsBuilder: let
decl = (
if isFunction outputsBuilder
then outputsBuilder final # provide `self`
else
assert (isAttrs outputsBuilder)
|| abort ''
Cerulean declaration must be provided as an attribute set, got "${typeOf outputsBuilder}" instead!
Ensure your declaration is an attribute set or function under your call to `cerulean.mkNexus`.
''; outputsBuilder
);
final =
decl
// {
nexus = parseNexus (decl.nexus or {});
};
in
final;
getGroupModules = root: nodeName: node:
assert isList node.groups
|| throw ''
Cerulean Nexus node "${nodeName}" does not declare group membership as a list, got "${typeOf node.groups}" instead!
Ensure `nexus.nodes.${nodeName}.groups` is a list under your call to `cerulean.mkNexus`.
'';
# ensure root group is always added
(node.groups
++ [
{
_parent = null;
_name = ROOT_GROUP_NAME;
}
])
# ensure all members are actually groups
|> map (group: let
got =
if ! isAttrs group
then toString group
else
group
|> attrNames
|> map (name: "${name} = <${typeOf (getAttr name group)}>;")
|> concatStringsSep " "
|> (x: "{ ${x} }");
in
if group ? _name
then group
else
throw ''
Cerulean Nexus node "${nodeName}" is a member of an incorrectly structured group.
Got "${got}" of primitive type "${typeOf group}".
NOTE: Groups can be accessed via `self.groups.PATH.TO.YOUR.GROUP`
'')
# add all inherited groups via _parent
|> map (let
delegate = g:
if g._parent == null
then [g]
else [g] ++ delegate (g._parent);
in
delegate)
# flatten recursion result
|> concatLists
# find import location
|> map (group: findImport (root + "/groups/${group._name}"))
# filter by uniqueness
|> nt.prim.unique
# ignore missing groups
|> filter pathExists;
in {
mkNexus = root: outputsBuilder: let
decl = parseDecl outputsBuilder;
inherit
(decl)
nexus
;
customOutputs = removeAttrs decl ["nexus"];
outputs = rec {
nixosConfigurations = mapNodes nexus (
{
base,
lib,
nodeName,
node,
...
}: let
nixosDecl = let
homeManager =
if node.homeManager != null
then node.homeManager
else nexus.homeManager;
userArgs = nexus.args // node.args;
ceruleanArgs = {
inherit root base;
inherit (node) system;
_cerulean = {
inherit inputs userArgs ceruleanArgs homeManager;
specialArgs = userArgs // ceruleanArgs;
};
};
specialArgs = assert (userArgs
|> attrNames
|> all (argName:
! ceruleanArgs ? argName
|| abort ''
`specialArgs` are like super important to Cerulean my love... </3
But `args.${argName}` is a reserved argument name :(
''));
ceruleanArgs._cerulean.specialArgs;
in
lib.nixosSystem {
inherit (node) system;
inherit specialArgs;
modules =
[
self.nixosModules.default
(findImport (root + "/hosts/${nodeName}"))
# inputs.microvm.nixosModules.microvm
]
++ (homeManager.nixosModules.default or [])
++ (getGroupModules root nodeName node)
++ node.modules
++ nexus.modules;
};
in
nixosDecl
);
deploy.nodes = mapNodes nexus ({
nodeName,
node,
...
}: let
inherit
(node.deploy)
activationTimeout
autoRollback
confirmTimeout
interactiveSudo
magicRollback
remoteBuild
ssh
sudo
user
;
nixosFor = system: inputs.deploy-rs.lib.${system}.activate.nixos;
in {
hostname = ssh.host;
profilesOrder = ["default"]; # profiles priority
profiles.default = {
path = nixosFor node.system nixosConfigurations.${nodeName};
user = user;
sudo = sudo;
interactiveSudo = interactiveSudo;
fastConnection = false;
autoRollback = autoRollback;
magicRollback = magicRollback;
activationTimeout = activationTimeout;
confirmTimeout = confirmTimeout;
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"]
);
};
});
checks = mapAttrs (system: deployLib: deployLib.deployChecks deploy) inputs.deploy-rs.lib;
};
in
outputs // customOutputs;
}

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@ -1,101 +0,0 @@
# Copyright 2025-2026 _cry64 (Emile Clark-Boman)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
{nt, ...}: let
inherit
(builtins)
isAttrs
mapAttrs
typeOf
;
in rec {
# abstract node instance that stores all default values
templateNode = name: system: let
inherit
(nt.naive.terminal)
Terminal
;
missing = msg: path:
Terminal (abort ''
Each Cerulean Nexus node is required to specify ${msg}!
Ensure `nexus.${path}` exists under your call to `cerulean.mkNexus`.
'');
in {
enabled = true;
system = missing "its system architecture" "system";
groups = [];
modules = [];
args = Terminal {};
homeManager = null;
base = null;
deploy = {
user = "root";
sudo = "sudo -u";
interactiveSudo = false;
remoteBuild = false; # prefer local builds for remote deploys
autoRollback = true; # reactivate previous profile if activation fails
magicRollback = true;
activationTimeout = 500; # timeout in seconds for profile activation
confirmTimeout = 30; # timeout in seconds for profile activation confirmation
ssh = {
host = name;
user = "ceru-build"; # ceru-build is the default connection user
port = 22;
opts = [];
};
};
};
parseNode = name: nodeAttrs:
if !(isAttrs nodeAttrs)
then
# fail if node is not an attribute set
abort ''
Cerulean Nexus nodes must be provided as an attribute set, got "${typeOf nodeAttrs}" instead!
Ensure all `cerulean.nexus.nodes.${name}` declarations are attribute sets under your call to `cerulean.mkNexus`.
''
else let
templateAttrs = templateNode name nodeAttrs.system;
in
nt.projectOnto templateAttrs nodeAttrs;
mapNodes = nexus: f:
nexus.nodes
|> mapAttrs (nodeName: nodeAttrs: let
node = parseNode nodeName nodeAttrs;
# use per-node base or default to nexus base
base =
if node.base != null
then node.base
else if nexus.base != null
then nexus.base
else
abort ''
Cerulean cannot construct nexus node "${nodeName}" without a base package source.
Ensure `nexus.nodes.*.base` or `nexus.base` is a flake reference to the github:NixOS/nixpkgs repository.
'';
in
f {
inherit nodeName node base;
inherit (base) lib;
});
}