Merge pull request 'Move update.py to clan_lib/machines part 4' (#4073) from Qubasa/clan-core:move_to_clan_lib6 into main
Reviewed-on: https://git.clan.lol/clan/clan-core/pulls/4073
This commit is contained in:
Luis Hebendanz
@@ -1,19 +1,12 @@
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import argparse
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import json
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import logging
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import os
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import re
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import shlex
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import sys
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from contextlib import ExitStack
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from clan_lib.api import API
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from clan_lib.async_run import AsyncContext, AsyncOpts, AsyncRuntime, is_async_cancelled
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from clan_lib.cmd import Log, MsgColor, RunOpts, run
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from clan_lib.colors import AnsiColor
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from clan_lib.async_run import AsyncContext, AsyncOpts, AsyncRuntime
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from clan_lib.errors import ClanError
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from clan_lib.machines.machines import Machine
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from clan_lib.nix import nix_command, nix_config, nix_metadata
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from clan_lib.machines.update import deploy_machine
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from clan_lib.nix import nix_config
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from clan_lib.ssh.remote import Remote
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from clan_cli.completions import (
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@@ -21,192 +14,11 @@ from clan_cli.completions import (
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complete_machines,
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complete_tags,
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)
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from clan_cli.facts.generate import generate_facts
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from clan_cli.facts.upload import upload_secrets
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from clan_cli.machines.list import list_full_machines, query_machines_by_tags
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from clan_cli.vars.generate import generate_vars
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from clan_cli.vars.upload import upload_secret_vars
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log = logging.getLogger(__name__)
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def is_local_input(node: dict[str, dict[str, str]]) -> bool:
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locked = node.get("locked")
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if not locked:
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return False
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# matches path and git+file://
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local = (
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locked["type"] == "path"
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# local vcs inputs i.e. git+file:///
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or re.match(r"^file://", locked.get("url", "")) is not None
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)
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if local:
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print(f"[WARN] flake input has local node: {json.dumps(node)}")
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return local
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def upload_sources(machine: Machine, ssh: Remote) -> str:
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env = ssh.nix_ssh_env(os.environ.copy())
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flake_url = (
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str(machine.flake.path) if machine.flake.is_local else machine.flake.identifier
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)
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flake_data = nix_metadata(flake_url)
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has_path_inputs = any(
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is_local_input(node) for node in flake_data["locks"]["nodes"].values()
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)
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# Construct the remote URL with proper parameters for Darwin
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remote_url = f"ssh-ng://{ssh.target}"
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# 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
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if machine._class_ == "darwin":
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remote_url += "?remote-program=bash -lc 'exec nix-daemon --stdio'"
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if not has_path_inputs:
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# Just copy the flake to the remote machine, we can substitute other inputs there.
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path = flake_data["path"]
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cmd = nix_command(
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[
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"copy",
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"--to",
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remote_url,
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"--no-check-sigs",
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path,
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]
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)
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run(
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cmd,
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RunOpts(
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env=env,
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needs_user_terminal=True,
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error_msg="failed to upload sources",
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prefix=machine.name,
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),
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)
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return path
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# Slow path: we need to upload all sources to the remote machine
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cmd = nix_command(
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[
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"flake",
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"archive",
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"--to",
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remote_url,
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"--json",
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flake_url,
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]
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)
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proc = run(
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cmd,
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RunOpts(
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env=env, needs_user_terminal=True, error_msg="failed to upload sources"
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),
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)
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try:
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return json.loads(proc.stdout)["path"]
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except (json.JSONDecodeError, OSError) as e:
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msg = f"failed to parse output of {shlex.join(cmd)}: {e}\nGot: {proc.stdout}"
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raise ClanError(msg) from e
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@API.register
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def deploy_machine(
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machine: Machine, target_host: Remote, build_host: Remote | None
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) -> None:
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with ExitStack() as stack:
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target_host = stack.enter_context(target_host.ssh_control_master())
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if build_host is not None:
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build_host = stack.enter_context(build_host.ssh_control_master())
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host = build_host or target_host
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sudo_host = stack.enter_context(target_host.become_root())
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generate_facts([machine], service=None, regenerate=False)
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generate_vars([machine], generator_name=None, regenerate=False)
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upload_secrets(machine, sudo_host)
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upload_secret_vars(machine, sudo_host)
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path = upload_sources(machine, sudo_host)
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nix_options = [
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"--show-trace",
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"--option",
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"keep-going",
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"true",
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"--option",
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"accept-flake-config",
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"true",
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"-L",
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*machine.nix_options,
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"--flake",
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f"{path}#{machine.name}",
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]
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become_root = True
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if machine._class_ == "nixos":
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nix_options += [
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"--fast",
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"--build-host",
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"",
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]
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if build_host:
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become_root = False
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nix_options += ["--target-host", target_host.target]
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if target_host.user != "root":
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nix_options += ["--use-remote-sudo"]
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switch_cmd = ["nixos-rebuild", "switch", *nix_options]
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elif machine._class_ == "darwin":
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# use absolute path to darwin-rebuild
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switch_cmd = [
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"/run/current-system/sw/bin/darwin-rebuild",
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"switch",
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*nix_options,
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]
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if become_root:
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host = sudo_host
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remote_env = host.nix_ssh_env(control_master=False)
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ret = host.run(
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switch_cmd,
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RunOpts(
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check=False,
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log=Log.BOTH,
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msg_color=MsgColor(stderr=AnsiColor.DEFAULT),
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needs_user_terminal=True,
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),
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extra_env=remote_env,
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)
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if is_async_cancelled():
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return
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# retry nixos-rebuild switch if the first attempt failed
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if ret.returncode != 0:
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is_mobile = machine.deployment.get("nixosMobileWorkaround", False)
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# if the machine is mobile, we retry to deploy with the mobile workaround method
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if is_mobile:
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machine.info(
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"Mobile machine detected, applying workaround deployment method"
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)
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ret = host.run(
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["nixos--rebuild", "test", *nix_options] if is_mobile else switch_cmd,
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RunOpts(
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log=Log.BOTH,
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msg_color=MsgColor(stderr=AnsiColor.DEFAULT),
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needs_user_terminal=True,
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),
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extra_env=remote_env,
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)
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def update_command(args: argparse.Namespace) -> None:
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try:
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if args.flake is None:
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199
pkgs/clan-cli/clan_lib/machines/update.py
Normal file
199
pkgs/clan-cli/clan_lib/machines/update.py
Normal file
@@ -0,0 +1,199 @@
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import json
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import logging
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import os
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import re
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import shlex
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from contextlib import ExitStack
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from clan_cli.facts.generate import generate_facts
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from clan_cli.facts.upload import upload_secrets
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from clan_cli.vars.generate import generate_vars
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from clan_cli.vars.upload import upload_secret_vars
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from clan_lib.api import API
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from clan_lib.async_run import is_async_cancelled
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from clan_lib.cmd import Log, MsgColor, RunOpts, run
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from clan_lib.colors import AnsiColor
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from clan_lib.errors import ClanError
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from clan_lib.machines.machines import Machine
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from clan_lib.nix import nix_command, nix_metadata
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from clan_lib.ssh.remote import Remote
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log = logging.getLogger(__name__)
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def is_local_input(node: dict[str, dict[str, str]]) -> bool:
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locked = node.get("locked")
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if not locked:
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return False
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# matches path and git+file://
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local = (
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locked["type"] == "path"
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# local vcs inputs i.e. git+file:///
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or re.match(r"^file://", locked.get("url", "")) is not None
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)
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if local:
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print(f"[WARN] flake input has local node: {json.dumps(node)}")
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return local
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def upload_sources(machine: Machine, ssh: Remote) -> str:
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env = ssh.nix_ssh_env(os.environ.copy())
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flake_url = (
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str(machine.flake.path) if machine.flake.is_local else machine.flake.identifier
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)
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flake_data = nix_metadata(flake_url)
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has_path_inputs = any(
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is_local_input(node) for node in flake_data["locks"]["nodes"].values()
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)
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# Construct the remote URL with proper parameters for Darwin
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remote_url = f"ssh-ng://{ssh.target}"
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# 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
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if machine._class_ == "darwin":
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remote_url += "?remote-program=bash -lc 'exec nix-daemon --stdio'"
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if not has_path_inputs:
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# Just copy the flake to the remote machine, we can substitute other inputs there.
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path = flake_data["path"]
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cmd = nix_command(
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[
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"copy",
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"--to",
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remote_url,
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"--no-check-sigs",
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path,
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]
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)
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run(
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cmd,
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RunOpts(
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env=env,
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needs_user_terminal=True,
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error_msg="failed to upload sources",
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prefix=machine.name,
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),
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)
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return path
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# Slow path: we need to upload all sources to the remote machine
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cmd = nix_command(
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[
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"flake",
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"archive",
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"--to",
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remote_url,
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"--json",
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flake_url,
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]
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)
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proc = run(
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cmd,
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RunOpts(
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env=env, needs_user_terminal=True, error_msg="failed to upload sources"
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),
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)
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try:
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return json.loads(proc.stdout)["path"]
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except (json.JSONDecodeError, OSError) as e:
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msg = f"failed to parse output of {shlex.join(cmd)}: {e}\nGot: {proc.stdout}"
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raise ClanError(msg) from e
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@API.register
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def deploy_machine(
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machine: Machine, target_host: Remote, build_host: Remote | None
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) -> None:
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with ExitStack() as stack:
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target_host = stack.enter_context(target_host.ssh_control_master())
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if build_host is not None:
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build_host = stack.enter_context(build_host.ssh_control_master())
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host = build_host or target_host
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sudo_host = stack.enter_context(target_host.become_root())
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generate_facts([machine], service=None, regenerate=False)
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generate_vars([machine], generator_name=None, regenerate=False)
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upload_secrets(machine, sudo_host)
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upload_secret_vars(machine, sudo_host)
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path = upload_sources(machine, sudo_host)
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nix_options = [
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"--show-trace",
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"--option",
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"keep-going",
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"true",
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"--option",
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"accept-flake-config",
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"true",
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"-L",
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*machine.nix_options,
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"--flake",
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f"{path}#{machine.name}",
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]
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become_root = True
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if machine._class_ == "nixos":
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nix_options += [
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"--fast",
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"--build-host",
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"",
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]
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if build_host:
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become_root = False
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nix_options += ["--target-host", target_host.target]
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if target_host.user != "root":
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nix_options += ["--use-remote-sudo"]
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switch_cmd = ["nixos-rebuild", "switch", *nix_options]
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elif machine._class_ == "darwin":
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# use absolute path to darwin-rebuild
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switch_cmd = [
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"/run/current-system/sw/bin/darwin-rebuild",
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"switch",
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*nix_options,
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]
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if become_root:
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host = sudo_host
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remote_env = host.nix_ssh_env(control_master=False)
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ret = host.run(
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switch_cmd,
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RunOpts(
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check=False,
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log=Log.BOTH,
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msg_color=MsgColor(stderr=AnsiColor.DEFAULT),
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needs_user_terminal=True,
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),
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extra_env=remote_env,
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)
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if is_async_cancelled():
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return
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# retry nixos-rebuild switch if the first attempt failed
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if ret.returncode != 0:
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is_mobile = machine.deployment.get("nixosMobileWorkaround", False)
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# if the machine is mobile, we retry to deploy with the mobile workaround method
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if is_mobile:
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machine.info(
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"Mobile machine detected, applying workaround deployment method"
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)
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ret = host.run(
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["nixos--rebuild", "test", *nix_options] if is_mobile else switch_cmd,
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RunOpts(
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log=Log.BOTH,
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msg_color=MsgColor(stderr=AnsiColor.DEFAULT),
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needs_user_terminal=True,
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),
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extra_env=remote_env,
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)
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Reference in New Issue
Block a user