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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 json
import jsonschema
import jsonschema.exceptions
import llnl.util.tty as tty
import spack.cmd
import spack.error
import spack.hash_types as hash_types
import spack.platforms
import spack.repo
import spack.spec
from spack.schema.cray_manifest import schema as manifest_schema
#: Cray systems can store a Spack-compatible description of system
#: packages here.
default_path = "/opt/cray/pe/cpe-descriptive-manifest/"
compiler_name_translation = {"nvidia": "nvhpc", "rocm": "rocmcc"}
def translated_compiler_name(manifest_compiler_name):
"""
When creating a Compiler object, Spack expects a name matching
one of the classes in `spack.compilers`. Names in the Cray manifest
may differ; for cases where we know the name refers to a compiler in
Spack, this function translates it automatically.
This function will raise an error if there is no recorded translation
and the name doesn't match a known compiler name.
"""
if manifest_compiler_name in compiler_name_translation:
return compiler_name_translation[manifest_compiler_name]
elif manifest_compiler_name in spack.compilers.supported_compilers():
return manifest_compiler_name
else:
raise spack.compilers.UnknownCompilerError(
"Manifest parsing - unknown compiler: {0}".format(manifest_compiler_name)
)
def compiler_from_entry(entry):
compiler_name = translated_compiler_name(entry["name"])
paths = entry["executables"]
# to instantiate a compiler class we may need a concrete version:
version = "={}".format(entry["version"])
arch = entry["arch"]
operating_system = arch["os"]
target = arch["target"]
compiler_cls = spack.compilers.class_for_compiler_name(compiler_name)
spec = spack.spec.CompilerSpec(compiler_cls.name, version)
paths = [paths.get(x, None) for x in ("cc", "cxx", "f77", "fc")]
return compiler_cls(spec, operating_system, target, paths)
def spec_from_entry(entry):
arch_str = ""
if "arch" in entry:
local_platform = spack.platforms.host()
spec_platform = entry["arch"]["platform"]
# Note that Cray systems are now treated as Linux. Specs
# in the manifest which specify "cray" as the platform
# should be registered in the DB as "linux"
if local_platform.name == "linux" and spec_platform.lower() == "cray":
spec_platform = "linux"
arch_format = "arch={platform}-{os}-{target}"
arch_str = arch_format.format(
platform=spec_platform,
os=entry["arch"]["platform_os"],
target=entry["arch"]["target"]["name"],
)
compiler_str = ""
if "compiler" in entry:
compiler_format = "%{name}@={version}"
compiler_str = compiler_format.format(
name=translated_compiler_name(entry["compiler"]["name"]),
version=entry["compiler"]["version"],
)
spec_format = "{name}@={version} {compiler} {arch}"
spec_str = spec_format.format(
name=entry["name"], version=entry["version"], compiler=compiler_str, arch=arch_str
)
pkg_cls = spack.repo.path.get_pkg_class(entry["name"])
if "parameters" in entry:
variant_strs = list()
for name, value in entry["parameters"].items():
# TODO: also ensure that the variant value is valid?
if not (name in pkg_cls.variants):
tty.debug(
"Omitting variant {0} for entry {1}/{2}".format(
name, entry["name"], entry["hash"][:7]
)
)
continue
# Value could be a list (of strings), boolean, or string
if isinstance(value, str):
variant_strs.append("{0}={1}".format(name, value))
else:
try:
iter(value)
variant_strs.append("{0}={1}".format(name, ",".join(value)))
continue
except TypeError:
# Not an iterable
pass
# At this point not a string or collection, check for boolean
if value in [True, False]:
bool_symbol = "+" if value else "~"
variant_strs.append("{0}{1}".format(bool_symbol, name))
else:
raise ValueError(
"Unexpected value for {0} ({1}): {2}".format(
name, str(type(value)), str(value)
)
)
spec_str += " " + " ".join(variant_strs)
(spec,) = spack.cmd.parse_specs(spec_str.split())
for ht in [hash_types.dag_hash, hash_types.build_hash, hash_types.full_hash]:
setattr(spec, ht.attr, entry["hash"])
spec._concrete = True
spec._hashes_final = True
spec.external_path = entry["prefix"]
spec.origin = "external-db"
spack.spec.Spec.ensure_valid_variants(spec)
return spec
def entries_to_specs(entries):
spec_dict = {}
for entry in entries:
try:
spec = spec_from_entry(entry)
spec_dict[spec._hash] = spec
except spack.repo.UnknownPackageError:
tty.debug("Omitting package {0}: no corresponding repo package".format(entry["name"]))
except spack.error.SpackError:
raise
except Exception:
tty.warn("Could not parse entry: " + str(entry))
for entry in filter(lambda x: "dependencies" in x, entries):
dependencies = entry["dependencies"]
for name, properties in dependencies.items():
dep_hash = properties["hash"]
deptypes = properties["type"]
if dep_hash in spec_dict:
if entry["hash"] not in spec_dict:
continue
parent_spec = spec_dict[entry["hash"]]
dep_spec = spec_dict[dep_hash]
parent_spec._add_dependency(dep_spec, deptypes=deptypes, virtuals=())
for spec in spec_dict.values():
spack.spec.reconstruct_virtuals_on_edges(spec)
return spec_dict
def read(path, apply_updates):
decode_exception_type = json.decoder.JSONDecodeError
try:
with open(path, "r") as json_file:
json_data = json.load(json_file)
jsonschema.validate(json_data, manifest_schema)
except (jsonschema.exceptions.ValidationError, decode_exception_type) as e:
raise ManifestValidationError("error parsing manifest JSON:", str(e)) from e
specs = entries_to_specs(json_data["specs"])
tty.debug("{0}: {1} specs read from manifest".format(path, str(len(specs))))
compilers = list()
if "compilers" in json_data:
compilers.extend(compiler_from_entry(x) for x in json_data["compilers"])
tty.debug("{0}: {1} compilers read from manifest".format(path, str(len(compilers))))
# Filter out the compilers that already appear in the configuration
compilers = spack.compilers.select_new_compilers(compilers)
if apply_updates and compilers:
spack.compilers.add_compilers_to_config(compilers, init_config=False)
if apply_updates:
for spec in specs.values():
spack.store.db.add(spec, directory_layout=None)
class ManifestValidationError(spack.error.SpackError):
def __init__(self, msg, long_msg=None):
super().__init__(msg, long_msg)
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