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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import re
from spack.package import *
class Lustre(Package):
"""Lustre is a type of parallel distributed file system,
generally used for large-scale cluster computing."""
homepage = "http://lustre.org/"
has_code = False
executables = [r"^lfs$"]
version("2.12")
@classmethod
def determine_version(cls, exe):
output = Executable(exe)("--version", output=str, error=str)
match = re.search(r"lfs (\d\S*)", output)
return match.group(1) if match else None
# Lustre is filesystem and needs to be installed on system.
# To have it as external package in SPACK, follow below:
# config file packages.yaml needs to be adjusted:
#
# packages:
# lustre:
# buildable: False
# externals:
# - spec: lustre@2.12
# prefix: /usr (Usual Lustre library path)
def install(self, spec, prefix):
raise InstallError(
self.spec.format(
"{name} is not installable, you need to specify "
"it as an external package in packages.yaml"
)
)
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