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clan-cli machines: cache machines_func via store

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This commit is contained in:
lassulus 2024-03-01 07:37:47 +01:00
parent 8c7db195ab
commit 108a37b0a3
1 changed files with 47 additions and 46 deletions
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93
pkgs/clan-cli/clan_cli/machines/machines.py
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@ -166,6 +166,7 @@ class Machine:
config = nix_config()
system = config["system"]
file_info = dict()
with NamedTemporaryFile(mode="w") as config_json:
if extra_config is not None:
json.dump(extra_config, config_json, indent=2)
@ -173,66 +174,66 @@ class Machine:
json.dump({}, config_json)
config_json.flush()
nar_hash = json.loads(
file_info = json.loads(
run(
nix_eval(
[
"--impure",
"--expr",
f'(builtins.fetchTree {{ type = "file"; url = "file://{config_json.name}"; }}).narHash',
f'let x = (builtins.fetchTree {{ type = "file"; url = "file://{config_json.name}"; }}); in {{ narHash = x.narHash; path = x.outPath; }}',
]
)
).stdout.strip()
)
args = []
args = []
# get git commit from flake
if extra_config is not None:
metadata = nix_metadata(self.flake_dir)
url = metadata["url"]
if "dirtyRevision" in metadata:
# if not impure:
# raise ClanError(
# "The machine has a dirty revision, and impure mode is not allowed"
# )
# else:
# args += ["--impure"]
args += ["--impure"]
# get git commit from flake
if extra_config is not None:
metadata = nix_metadata(self.flake_dir)
url = metadata["url"]
if "dirtyRevision" in metadata:
# if not impure:
# raise ClanError(
# "The machine has a dirty revision, and impure mode is not allowed"
# )
# else:
# args += ["--impure"]
args += ["--impure"]
args += [
"--expr",
f"""
((builtins.getFlake "{url}").clanInternals.machinesFunc."{system}"."{self.name}" {{
extraConfig = builtins.fromJSON (builtins.readFile (builtins.fetchTree {{
type = "file";
url = if (builtins.compareVersions builtins.nixVersion "2.19") == -1 then "{config_json.name}" else "file:{config_json.name}";
narHash = "{nar_hash}";
}}));
}}).{attr}
""",
]
else:
if isinstance(self.flake, Path):
if (self.flake / ".git").exists():
flake = f"git+file://{self.flake}"
else:
flake = f"path:{self.flake}"
args += [
"--expr",
f"""
((builtins.getFlake "{url}").clanInternals.machinesFunc."{system}"."{self.name}" {{
extraConfig = builtins.fromJSON (builtins.readFile (builtins.fetchTree {{
type = "file";
url = if (builtins.compareVersions builtins.nixVersion "2.19") == -1 then "{file_info["path"]}" else "file:{file_info["path"]}";
narHash = "{file_info["narHash"]}";
}}));
}}).{attr}
""",
]
else:
if isinstance(self.flake, Path):
if (self.flake / ".git").exists():
flake = f"git+file://{self.flake}"
else:
flake = self.flake
args += [
f'{flake}#clanInternals.machines."{system}".{self.name}.{attr}',
*nix_options,
]
if method == "eval":
output = run(nix_eval(args)).stdout.strip()
return output
elif method == "build":
outpath = run(nix_build(args)).stdout.strip()
return Path(outpath)
flake = f"path:{self.flake}"
else:
raise ValueError(f"Unknown method {method}")
flake = self.flake
args += [
f'{flake}#clanInternals.machines."{system}".{self.name}.{attr}',
*nix_options,
]
if method == "eval":
output = run(nix_eval(args)).stdout.strip()
return output
elif method == "build":
outpath = run(nix_build(args)).stdout.strip()
return Path(outpath)
else:
raise ValueError(f"Unknown method {method}")
def eval_nix(
self,