Merge pull request 'Fix deploying to macOS as root' (#3700) from nix-darwin into main

Reviewed-on: https://git.clan.lol/clan/clan-core/pulls/3700
This commit is contained in:
Mic92
2025-05-20 09:08:04 +00:00
4 changed files with 33 additions and 43 deletions

6
flake.lock generated
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@@ -74,11 +74,11 @@
]
},
"locked": {
"lastModified": 1747365160,
"narHash": "sha256-4ZVr0x+ry6ybym/VhVYACj0HlJo44YxAaPGOxiS88Hg=",
"lastModified": 1747521943,
"narHash": "sha256-GMAJcB8oB9cC+TbYTE7QDfw9fwHZyloxUWnUpHnQRko=",
"owner": "nix-darwin",
"repo": "nix-darwin",
"rev": "8817b00b0011750381d0d44bb94d61087349b6ba",
"rev": "b9b927dd1f24094b271e8ec5277a672dc4fc860d",
"type": "github"
},
"original": {

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@@ -9,10 +9,9 @@ from functools import cached_property
from pathlib import Path
from typing import TYPE_CHECKING, Any
from clan_lib.cmd import Log, RunOpts, run
from clan_lib.errors import ClanCmdError, ClanError
from clan_lib.flake import Flake
from clan_lib.nix import nix_config, nix_eval, nix_test_store
from clan_lib.nix import nix_config, nix_test_store
from clan_cli.facts import public_modules as facts_public_modules
from clan_cli.facts import secret_modules as facts_secret_modules
@@ -179,27 +178,6 @@ class Machine:
) as build_host:
yield build_host
@cached_property
def deploy_as_root(self) -> bool:
if self._class_ == "nixos":
return True
# Currently nix-darwin HEAD requires you to deploy as a non-root user
# however there is a soon to be merged PR that requires deployment
# as root to match NixOS: https://github.com/nix-darwin/nix-darwin/pull/1341
return json.loads(
run(
nix_eval(
[
f"{self.flake}#darwinConfigurations.{self.name}.options.system",
"--apply",
"system: system ? primaryUser",
]
),
RunOpts(log=Log.NONE),
).stdout.strip()
)
def nix(
self,
attr: str,

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@@ -58,11 +58,18 @@ def upload_sources(machine: Machine, host: Host) -> str:
if not has_path_inputs:
# Just copy the flake to the remote machine, we can substitute other inputs there.
path = flake_data["path"]
remote_url = f"ssh-ng://{host.target}"
# MacOS doesn't come with a proper login shell for ssh and therefore doesn't have nix in $PATH as it doesn't source /etc/profile
if machine._class_ == "darwin":
remote_url += "?remote-program=bash -lc 'exec nix-daemon --stdio'"
cmd = nix_command(
[
"copy",
"--to",
f"ssh://{host.target}",
remote_url,
"--no-check-sigs",
path,
]
@@ -109,11 +116,6 @@ def deploy_machine(machine: Machine) -> None:
target_host = stack.enter_context(machine.target_host())
build_host = stack.enter_context(machine.build_host())
if machine._class_ == "darwin":
if not machine.deploy_as_root and target_host.user == "root":
msg = f"'targetHost' should be set to a non-root user for deploying to nix-darwin on machine '{machine.name}'"
raise ClanError(msg)
host = build_host or target_host
generate_facts([machine], service=None, regenerate=False)
@@ -138,9 +140,10 @@ def deploy_machine(machine: Machine) -> None:
f"{path}#{machine.name}",
]
become_root = machine.deploy_as_root
become_root = True
if machine._class_ == "nixos":
switch_cmd = ["nixos-rebuild", "switch", *nix_options]
nix_options += [
"--fast",
"--build-host",
@@ -153,9 +156,13 @@ def deploy_machine(machine: Machine) -> None:
if target_host.user != "root":
nix_options += ["--use-remote-sudo"]
switch_cmd = [f"{machine._class_}-rebuild", "switch", *nix_options]
test_cmd = [f"{machine._class_}-rebuild", "test", *nix_options]
elif machine._class_ == "darwin":
# use absolute path to darwin-rebuild
switch_cmd = [
"/run/current-system/sw/bin/darwin-rebuild",
"switch",
*nix_options,
]
remote_env = host.nix_ssh_env(None, local_ssh=False)
ret = host.run(
@@ -182,7 +189,7 @@ def deploy_machine(machine: Machine) -> None:
"Mobile machine detected, applying workaround deployment method"
)
ret = host.run(
test_cmd if is_mobile else switch_cmd,
["nixos--rebuild", "test", *nix_options] if is_mobile else switch_cmd,
RunOpts(
log=Log.BOTH,
msg_color=MsgColor(stderr=AnsiColor.DEFAULT),

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@@ -140,16 +140,16 @@ class Host:
if opts is None:
opts = RunOpts()
# If we are not root and we need to become root, prepend sudo
sudo = ""
if become_root and self.user != "root":
sudo = "sudo -- "
# Quote all added environment variables
env_vars = []
for k, v in extra_env.items():
env_vars.append(f"{shlex.quote(k)}={shlex.quote(v)}")
sudo = []
if become_root and self.user != "root":
# If we are not root and we need to become root, prepend sudo
sudo = ["sudo", "--"]
if opts.prefix is None:
opts.prefix = self.command_prefix
# always set needs_user_terminal to True because ssh asks for passwords
@@ -185,7 +185,12 @@ class Host:
ssh_cmd = [
*self.ssh_cmd(verbose_ssh=verbose_ssh, tty=tty),
"--",
f"{sudo}bash -c {quote(bash_cmd)} -- {' '.join(map(quote, cmd))}",
*sudo,
"bash",
"-c",
quote(bash_cmd),
"--",
" ".join(map(quote, cmd)),
]
# Run the ssh command