forked from clan/clan-core
clan_vm_manager: Rewrite of Machine Class Part 1
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2532c780ab
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068f89e453
@ -16,24 +16,24 @@ class ClanUrl(Enum):
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@member
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@dataclass
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class REMOTE:
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url: str # The url field holds the HTTP URL
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value: str # The url field holds the HTTP URL
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def __str__(self) -> str:
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return f"{self.url}" # The __str__ method returns a custom string representation
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return f"{self.value}" # The __str__ method returns a custom string representation
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def __repr__(self) -> str:
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return f"ClanUrl.REMOTE({self.url})"
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return f"ClanUrl.REMOTE({self.value})"
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@member
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@dataclass
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class LOCAL:
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path: Path # The path field holds the local path
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value: Path # The path field holds the local path
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def __str__(self) -> str:
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return f"{self.path}" # The __str__ method returns a custom string representation
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return f"{self.value}" # The __str__ method returns a custom string representation
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def __repr__(self) -> str:
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return f"ClanUrl.LOCAL({self.path})"
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return f"ClanUrl.LOCAL({self.value})"
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# Parameters defined here will be DELETED from the nested uri
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@ -86,7 +86,6 @@ def inspect_flake(flake_url: str | Path, machine_name: str) -> FlakeConfig:
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# Get the flake metadata
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meta = nix_metadata(flake_url)
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return FlakeConfig(
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vm=vm,
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flake_url=flake_url,
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@ -6,6 +6,7 @@ from pathlib import Path
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from tempfile import NamedTemporaryFile
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from typing import Any
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from clan_cli.clan_uri import ClanURI, ClanUrl, MachineData
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from clan_cli.dirs import vm_state_dir
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from qemu.qmp import QEMUMonitorProtocol
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@ -17,7 +18,7 @@ from ..ssh import Host, parse_deployment_address
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log = logging.getLogger(__name__)
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class VMAttr:
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class QMPWrapper:
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def __init__(self, state_dir: Path) -> None:
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# These sockets here are just symlinks to the real sockets which
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# are created by the run.py file. The reason being that we run into
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@ -45,6 +46,7 @@ class Machine:
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name: str,
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flake: Path | str,
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deployment_info: dict | None = None,
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machine: MachineData | None = None,
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) -> None:
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"""
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Creates a Machine
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@ -52,20 +54,26 @@ class Machine:
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@clan_dir: the directory of the clan, optional, if not set it will be determined from the current working directory
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@machine_json: can be optionally used to skip evaluation of the machine, location of the json file with machine data
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"""
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self.name: str = name
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self.flake: str | Path = flake
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if machine is None:
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uri = ClanURI.from_str(str(flake), name)
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machine = uri.machine
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self.flake = str(machine.url.value)
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self.name = machine.name
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self.data = machine
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else:
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self.data = machine
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self.eval_cache: dict[str, str] = {}
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self.build_cache: dict[str, Path] = {}
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self._flake_path: Path | None = None
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self._deployment_info: None | dict[str, str] = deployment_info
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state_dir = vm_state_dir(flake_url=str(self.flake), vm_name=self.name)
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state_dir = vm_state_dir(flake_url=str(self.data.url), vm_name=self.data.name)
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self.vm: VMAttr = VMAttr(state_dir)
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self.vm: QMPWrapper = QMPWrapper(state_dir)
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def __str__(self) -> str:
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return f"Machine(name={self.name}, flake={self.flake})"
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return f"Machine(name={self.data.name}, flake={self.data.url})"
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def __repr__(self) -> str:
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return str(self)
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@ -86,7 +94,7 @@ class Machine:
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"deploymentAddress"
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)
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if val is None:
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msg = f"the 'clan.networking.targetHost' nixos option is not set for machine '{self.name}'"
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msg = f"the 'clan.networking.targetHost' nixos option is not set for machine '{self.data.name}'"
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raise ClanError(msg)
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return val
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@ -109,7 +117,7 @@ class Machine:
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return json.loads(Path(self.deployment_info["secretsData"]).read_text())
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except json.JSONDecodeError as e:
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raise ClanError(
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f"Failed to parse secretsData for machine {self.name} as json"
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f"Failed to parse secretsData for machine {self.data.name} as json"
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) from e
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return {}
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@ -119,19 +127,22 @@ class Machine:
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@property
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def flake_dir(self) -> Path:
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if isinstance(self.flake, Path):
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return self.flake
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if self._flake_path:
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return self._flake_path
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if hasattr(self, "flake_path"):
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return Path(self.flake_path)
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match self.data.url:
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case ClanUrl.LOCAL.value(path):
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self._flake_path = path
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case ClanUrl.REMOTE.value(url):
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self._flake_path = Path(nix_metadata(url)["path"])
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self.flake_path: str = nix_metadata(self.flake)["path"]
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return Path(self.flake_path)
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assert self._flake_path is not None
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return self._flake_path
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@property
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def target_host(self) -> Host:
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return parse_deployment_address(
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self.name, self.target_host_address, meta={"machine": self}
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self.data.name, self.target_host_address, meta={"machine": self}
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)
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@property
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@ -145,7 +156,7 @@ class Machine:
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return self.target_host
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# enable ssh agent forwarding to allow the build host to access the target host
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return parse_deployment_address(
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self.name,
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self.data.name,
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build_host,
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forward_agent=True,
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meta={"machine": self, "target_host": self.target_host},
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@ -204,7 +215,7 @@ class Machine:
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args += [
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"--expr",
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f"""
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((builtins.getFlake "{url}").clanInternals.machinesFunc."{system}"."{self.name}" {{
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((builtins.getFlake "{url}").clanInternals.machinesFunc."{system}"."{self.data.name}" {{
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extraConfig = builtins.fromJSON (builtins.readFile (builtins.fetchTree {{
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type = "file";
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url = if (builtins.compareVersions builtins.nixVersion "2.19") == -1 then "{file_info["path"]}" else "file:{file_info["path"]}";
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@ -214,15 +225,13 @@ class Machine:
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""",
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]
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else:
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if isinstance(self.flake, Path):
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if (self.flake / ".git").exists():
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flake = f"git+file://{self.flake}"
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else:
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flake = f"path:{self.flake}"
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if (self.flake_dir / ".git").exists():
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flake = f"git+file://{self.flake_dir}"
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else:
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flake = self.flake
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flake = f"path:{self.flake_dir}"
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args += [
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f'{flake}#clanInternals.machines."{system}".{self.name}.{attr}',
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f'{flake}#clanInternals.machines."{system}".{self.data.name}.{attr}',
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*nix_options,
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]
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