155 lines
5.0 KiB
Python
155 lines
5.0 KiB
Python
import argparse
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import logging
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import re
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from dataclasses import dataclass
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from clan_lib.api import API
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from clan_lib.dirs import get_clan_flake_toplevel_or_env
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from clan_lib.errors import ClanError
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from clan_lib.flake import Flake
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from clan_lib.git import commit_file
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from clan_lib.nix_models.clan import InventoryMachine
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from clan_lib.nix_models.clan import InventoryMachineDeploy as MachineDeploy
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from clan_lib.persist.inventory_store import InventoryStore
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from clan_lib.persist.util import set_value_by_path
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from clan_lib.templates.handler import machine_template
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from clan_cli.completions import add_dynamic_completer, complete_tags
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log = logging.getLogger(__name__)
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@dataclass
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class CreateOptions:
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clan_dir: Flake
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machine: InventoryMachine
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template: str = "new-machine"
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target_host: str | None = None
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@API.register
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def create_machine(
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opts: CreateOptions,
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commit: bool = True,
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) -> None:
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"""
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Create a new machine in the clan directory.
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This function will create a new machine based on a template.
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:param opts: Options for creating the machine, including clan directory, machine details, and template name.
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:param commit: Whether to commit the changes to the git repository.
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:param _persist: Temporary workaround for 'morph'. Whether to persist the changes to the inventory store.
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"""
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if not opts.clan_dir.is_local:
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msg = f"Clan {opts.clan_dir} is not a local clan."
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description = "Import machine only works on local clans"
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raise ClanError(msg, description=description)
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clan_dir = opts.clan_dir.path
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machine_name = opts.machine.get("name")
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if not machine_name:
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msg = "Machine name is required"
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raise ClanError(msg, location="Create Machine")
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# TODO: Move this into nix code
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hostname_regex = r"^(?!-)[A-Za-z0-9-]{1,63}(?<!-)$"
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if not re.match(hostname_regex, machine_name):
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msg = "Machine name must be a valid hostname"
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raise ClanError(msg, location="Create Machine")
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with machine_template(
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flake=opts.clan_dir,
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template_ident=opts.template,
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dst_machine_name=machine_name,
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) as _machine_dir:
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# Write to the inventory if persist is true
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target_host = opts.target_host
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new_machine = opts.machine
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new_machine["deploy"] = {"targetHost": target_host} # type: ignore
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inventory_store = InventoryStore(opts.clan_dir)
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inventory = inventory_store.read()
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if machine_name in inventory.get("machines", {}):
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msg = f"Machine {machine_name} already exists in inventory"
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description = (
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"Please delete the existing machine or import with a different name"
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)
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raise ClanError(msg, description=description)
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set_value_by_path(
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inventory,
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f"machines.{machine_name}",
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new_machine,
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)
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inventory_store.write(inventory, message=f"machine '{machine_name}'")
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if commit:
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commit_file(
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clan_dir / "machines" / machine_name,
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repo_dir=clan_dir,
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commit_message=f"Add machine {machine_name}",
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)
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# Invalidate the cache since this modified the flake
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opts.clan_dir.invalidate_cache()
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def create_command(args: argparse.Namespace) -> None:
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if args.flake:
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clan_dir = args.flake
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else:
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tmp = get_clan_flake_toplevel_or_env()
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clan_dir = Flake(str(tmp)) if tmp else None
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if not clan_dir:
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msg = "No clan found."
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description = (
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"Run this command in a clan directory or specify the --flake option"
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)
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raise ClanError(msg, description=description)
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machine = InventoryMachine(
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name=args.machine_name,
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tags=args.tags,
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deploy=MachineDeploy(targetHost=args.target_host),
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)
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opts = CreateOptions(
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clan_dir=clan_dir,
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machine=machine,
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template=args.template,
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)
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create_machine(opts)
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def register_create_parser(parser: argparse.ArgumentParser) -> None:
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parser.set_defaults(func=create_command)
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parser.add_argument(
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"machine_name",
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type=str,
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help="The name of the machine to create",
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)
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tag_parser = parser.add_argument(
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"--tags",
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nargs="+",
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default=[],
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help="Tags to associate with the machine. Can be used to assign multiple machines to services.",
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)
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add_dynamic_completer(tag_parser, complete_tags)
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parser.add_argument(
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"--target-host",
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type=str,
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help="Address of the machine to install and update, in the format of user@host:1234",
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)
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parser.add_argument(
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"-t",
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"--template",
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type=str,
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help="""Reference to the template to use for the machine. default="new-machine". In the format '<flake_ref>#template_name' Where <flake_ref> is a flake reference (e.g. github:org/repo) or a local path (e.g. '.' ).
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Omitting '<flake_ref>#' will use the builtin templates (e.g. just 'new-machine' from clan-core ).
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""",
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default="new-machine",
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)
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