3346c0918b
Compilers and linker optimize string constants for space by aliasing them when one is a suffix of another. For gcc / binutils this happens already at -O1, due to -fmerge-constants. This means that we have to take care during relocation to always preserve a certain length of the suffix of those prefixes that are C-strings. In this commit we pick length 7 as a safe suffix length, assuming the suffix is typically the 7 characters from the hash (i.e. random), so it's unlikely to alias with any string constant used in the sources. In general we now pad shortened strings from the left with leading dir seperators, but in the case of C-strings that are much shorter and don't share a common suffix (due to projections), we do allow shrinking the C-string, appending a null, and retaining the old part of the prefix. Also when rewiring, we ensure that the new hash preserves the last 7 bytes of the old hash. Co-authored-by: Harmen Stoppels <harmenstoppels@gmail.com>
2341 lines
88 KiB
Python
2341 lines
88 KiB
Python
# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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import codecs
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import collections
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import hashlib
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import json
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import os
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import shutil
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import sys
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import tarfile
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import tempfile
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import time
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import traceback
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import warnings
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from contextlib import closing
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import ruamel.yaml as yaml
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from six.moves.urllib.error import HTTPError, URLError
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import llnl.util.filesystem as fsys
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import llnl.util.lang
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import llnl.util.tty as tty
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from llnl.util.filesystem import BaseDirectoryVisitor, mkdirp, visit_directory_tree
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import spack.cmd
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import spack.config as config
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import spack.database as spack_db
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import spack.hooks
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import spack.hooks.sbang
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import spack.mirror
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import spack.platforms
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import spack.relocate as relocate
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import spack.repo
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import spack.store
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import spack.util.file_cache as file_cache
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import spack.util.gpg
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import spack.util.spack_json as sjson
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import spack.util.spack_yaml as syaml
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import spack.util.url as url_util
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import spack.util.web as web_util
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from spack.caches import misc_cache_location
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from spack.relocate import utf8_paths_to_single_binary_regex
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from spack.spec import Spec
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from spack.stage import Stage
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_build_cache_relative_path = "build_cache"
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_build_cache_keys_relative_path = "_pgp"
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class FetchCacheError(Exception):
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"""Error thrown when fetching the cache failed, usually a composite error list."""
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def __init__(self, errors):
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if not isinstance(errors, list):
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raise TypeError("Expected a list of errors")
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self.errors = errors
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if len(errors) > 1:
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msg = " Error {0}: {1}: {2}"
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self.message = "Multiple errors during fetching:\n"
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self.message += "\n".join(
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(
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msg.format(i + 1, err.__class__.__name__, str(err))
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for (i, err) in enumerate(errors)
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)
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)
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else:
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err = errors[0]
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self.message = "{0}: {1}".format(err.__class__.__name__, str(err))
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super(FetchCacheError, self).__init__(self.message)
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class BinaryCacheIndex(object):
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"""
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The BinaryCacheIndex tracks what specs are available on (usually remote)
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binary caches.
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This index is "best effort", in the sense that whenever we don't find
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what we're looking for here, we will attempt to fetch it directly from
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configured mirrors anyway. Thus, it has the potential to speed things
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up, but cache misses shouldn't break any spack functionality.
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At the moment, everything in this class is initialized as lazily as
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possible, so that it avoids slowing anything in spack down until
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absolutely necessary.
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TODO: What's the cost if, e.g., we realize in the middle of a spack
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install that the cache is out of date, and we fetch directly? Does it
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mean we should have paid the price to update the cache earlier?
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"""
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def __init__(self, cache_root):
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self._index_cache_root = cache_root
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# the key associated with the serialized _local_index_cache
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self._index_contents_key = "contents.json"
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# a FileCache instance storing copies of remote binary cache indices
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self._index_file_cache = None
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# stores a map of mirror URL to index hash and cache key (index path)
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self._local_index_cache = None
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# hashes of remote indices already ingested into the concrete spec
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# cache (_mirrors_for_spec)
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self._specs_already_associated = set()
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# mapping from mirror urls to the time.time() of the last index fetch and a bool indicating
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# whether the fetch succeeded or not.
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self._last_fetch_times = {}
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# _mirrors_for_spec is a dictionary mapping DAG hashes to lists of
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# entries indicating mirrors where that concrete spec can be found.
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# Each entry is a dictionary consisting of:
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#
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# - the mirror where the spec is, keyed by ``mirror_url``
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# - the concrete spec itself, keyed by ``spec`` (including the
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# full hash, since the dag hash may match but we want to
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# use the updated source if available)
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self._mirrors_for_spec = {}
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def _init_local_index_cache(self):
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if not self._index_file_cache:
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self._index_file_cache = file_cache.FileCache(self._index_cache_root)
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cache_key = self._index_contents_key
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self._index_file_cache.init_entry(cache_key)
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cache_path = self._index_file_cache.cache_path(cache_key)
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self._local_index_cache = {}
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if os.path.isfile(cache_path):
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with self._index_file_cache.read_transaction(cache_key) as cache_file:
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self._local_index_cache = json.load(cache_file)
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def clear(self):
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"""For testing purposes we need to be able to empty the cache and
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clear associated data structures."""
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if self._index_file_cache:
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self._index_file_cache.destroy()
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self._index_file_cache = None
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self._local_index_cache = None
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self._specs_already_associated = set()
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self._last_fetch_times = {}
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self._mirrors_for_spec = {}
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def _write_local_index_cache(self):
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self._init_local_index_cache()
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cache_key = self._index_contents_key
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with self._index_file_cache.write_transaction(cache_key) as (old, new):
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json.dump(self._local_index_cache, new)
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def regenerate_spec_cache(self, clear_existing=False):
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"""Populate the local cache of concrete specs (``_mirrors_for_spec``)
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from the locally cached buildcache index files. This is essentially a
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no-op if it has already been done, as we keep track of the index
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hashes for which we have already associated the built specs."""
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self._init_local_index_cache()
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if clear_existing:
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self._specs_already_associated = set()
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self._mirrors_for_spec = {}
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for mirror_url in self._local_index_cache:
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cache_entry = self._local_index_cache[mirror_url]
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cached_index_path = cache_entry["index_path"]
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cached_index_hash = cache_entry["index_hash"]
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if cached_index_hash not in self._specs_already_associated:
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self._associate_built_specs_with_mirror(cached_index_path, mirror_url)
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self._specs_already_associated.add(cached_index_hash)
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def _associate_built_specs_with_mirror(self, cache_key, mirror_url):
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tmpdir = tempfile.mkdtemp()
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try:
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db_root_dir = os.path.join(tmpdir, "db_root")
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db = spack_db.Database(None, db_dir=db_root_dir, enable_transaction_locking=False)
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self._index_file_cache.init_entry(cache_key)
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cache_path = self._index_file_cache.cache_path(cache_key)
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with self._index_file_cache.read_transaction(cache_key):
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db._read_from_file(cache_path)
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spec_list = db.query_local(installed=False, in_buildcache=True)
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for indexed_spec in spec_list:
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dag_hash = indexed_spec.dag_hash()
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if dag_hash not in self._mirrors_for_spec:
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self._mirrors_for_spec[dag_hash] = []
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for entry in self._mirrors_for_spec[dag_hash]:
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# A binary mirror can only have one spec per DAG hash, so
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# if we already have an entry under this DAG hash for this
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# mirror url, we're done.
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if entry["mirror_url"] == mirror_url:
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break
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else:
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self._mirrors_for_spec[dag_hash].append(
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{
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"mirror_url": mirror_url,
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"spec": indexed_spec,
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}
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)
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finally:
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shutil.rmtree(tmpdir)
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def get_all_built_specs(self):
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spec_list = []
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for dag_hash in self._mirrors_for_spec:
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# in the absence of further information, all concrete specs
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# with the same DAG hash are equivalent, so we can just
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# return the first one in the list.
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if len(self._mirrors_for_spec[dag_hash]) > 0:
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spec_list.append(self._mirrors_for_spec[dag_hash][0]["spec"])
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return spec_list
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def find_built_spec(self, spec, mirrors_to_check=None):
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"""Look in our cache for the built spec corresponding to ``spec``.
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If the spec can be found among the configured binary mirrors, a
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list is returned that contains the concrete spec and the mirror url
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of each mirror where it can be found. Otherwise, ``None`` is
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returned.
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This method does not trigger reading anything from remote mirrors, but
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rather just checks if the concrete spec is found within the cache.
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The cache can be updated by calling ``update()`` on the cache.
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Args:
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spec (spack.spec.Spec): Concrete spec to find
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mirrors_to_check: Optional mapping containing mirrors to check. If
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None, just assumes all configured mirrors.
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Returns:
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An list of objects containing the found specs and mirror url where
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each can be found, e.g.:
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.. code-block:: python
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[
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{
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"spec": <concrete-spec>,
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"mirror_url": <mirror-root-url>
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}
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]
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"""
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return self.find_by_hash(spec.dag_hash(), mirrors_to_check=mirrors_to_check)
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def find_by_hash(self, find_hash, mirrors_to_check=None):
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"""Same as find_built_spec but uses the hash of a spec.
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Args:
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find_hash (str): hash of the spec to search
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mirrors_to_check: Optional mapping containing mirrors to check. If
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None, just assumes all configured mirrors.
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"""
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if find_hash not in self._mirrors_for_spec:
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# Not found in the cached index, pull the latest from the server.
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self.update(with_cooldown=True)
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if find_hash not in self._mirrors_for_spec:
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return None
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results = self._mirrors_for_spec[find_hash]
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if not mirrors_to_check:
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return results
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mirror_urls = mirrors_to_check.values()
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return [r for r in results if r["mirror_url"] in mirror_urls]
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def update_spec(self, spec, found_list):
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"""
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Take list of {'mirror_url': m, 'spec': s} objects and update the local
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built_spec_cache
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"""
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spec_dag_hash = spec.dag_hash()
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if spec_dag_hash not in self._mirrors_for_spec:
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self._mirrors_for_spec[spec_dag_hash] = found_list
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else:
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current_list = self._mirrors_for_spec[spec_dag_hash]
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for new_entry in found_list:
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for cur_entry in current_list:
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if new_entry["mirror_url"] == cur_entry["mirror_url"]:
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cur_entry["spec"] = new_entry["spec"]
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break
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else:
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current_list.append = {
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"mirror_url": new_entry["mirror_url"],
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"spec": new_entry["spec"],
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}
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def update(self, with_cooldown=False):
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"""Make sure local cache of buildcache index files is up to date.
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If the same mirrors are configured as the last time this was called
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and none of the remote buildcache indices have changed, calling this
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method will only result in fetching the index hash from each mirror
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to confirm it is the same as what is stored locally. Otherwise, the
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buildcache ``index.json`` and ``index.json.hash`` files are retrieved
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from each configured mirror and stored locally (both in memory and
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on disk under ``_index_cache_root``)."""
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self._init_local_index_cache()
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mirrors = spack.mirror.MirrorCollection()
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configured_mirror_urls = [m.fetch_url for m in mirrors.values()]
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items_to_remove = []
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spec_cache_clear_needed = False
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spec_cache_regenerate_needed = not self._mirrors_for_spec
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# First compare the mirror urls currently present in the cache to the
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# configured mirrors. If we have a cached index for a mirror which is
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# no longer configured, we should remove it from the cache. For any
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# cached indices corresponding to currently configured mirrors, we need
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# to check if the cache is still good, or needs to be updated.
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# Finally, if there are configured mirrors for which we don't have a
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# cache entry, we need to fetch and cache the indices from those
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# mirrors.
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# If, during this process, we find that any mirrors for which we
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# already have entries have either been removed, or their index
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# hash has changed, then our concrete spec cache (_mirrors_for_spec)
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# likely has entries that need to be removed, so we will clear it
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# and regenerate that data structure.
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# If, during this process, we find that there are new mirrors for
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# which do not yet have an entry in our index cache, then we simply
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# need to regenerate the concrete spec cache, but do not need to
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# clear it first.
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# Otherwise the concrete spec cache should not need to be updated at
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# all.
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fetch_errors = []
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all_methods_failed = True
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ttl = spack.config.get("config:binary_index_ttl", 600)
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now = time.time()
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for cached_mirror_url in self._local_index_cache:
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cache_entry = self._local_index_cache[cached_mirror_url]
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cached_index_hash = cache_entry["index_hash"]
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cached_index_path = cache_entry["index_path"]
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if cached_mirror_url in configured_mirror_urls:
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# Only do a fetch if the last fetch was longer than TTL ago
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if (
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with_cooldown
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and ttl > 0
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and cached_mirror_url in self._last_fetch_times
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and now - self._last_fetch_times[cached_mirror_url][0] < ttl
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):
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# We're in the cooldown period, don't try to fetch again
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# If the fetch succeeded last time, consider this update a success, otherwise
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# re-report the error here
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if self._last_fetch_times[cached_mirror_url][1]:
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all_methods_failed = False
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else:
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# May need to fetch the index and update the local caches
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try:
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needs_regen = self._fetch_and_cache_index(
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cached_mirror_url, expect_hash=cached_index_hash
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)
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self._last_fetch_times[cached_mirror_url] = (now, True)
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all_methods_failed = False
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except FetchCacheError as fetch_error:
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needs_regen = False
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fetch_errors.extend(fetch_error.errors)
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self._last_fetch_times[cached_mirror_url] = (now, False)
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# The need to regenerate implies a need to clear as well.
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spec_cache_clear_needed |= needs_regen
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spec_cache_regenerate_needed |= needs_regen
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else:
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# No longer have this mirror, cached index should be removed
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items_to_remove.append(
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{
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"url": cached_mirror_url,
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"cache_key": os.path.join(self._index_cache_root, cached_index_path),
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}
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)
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if cached_mirror_url in self._last_fetch_times:
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del self._last_fetch_times[cached_mirror_url]
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spec_cache_clear_needed = True
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spec_cache_regenerate_needed = True
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# Clean up items to be removed, identified above
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for item in items_to_remove:
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url = item["url"]
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cache_key = item["cache_key"]
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self._index_file_cache.remove(cache_key)
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del self._local_index_cache[url]
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# Iterate the configured mirrors now. Any mirror urls we do not
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# already have in our cache must be fetched, stored, and represented
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# locally.
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for mirror_url in configured_mirror_urls:
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if mirror_url not in self._local_index_cache:
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# Need to fetch the index and update the local caches
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try:
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needs_regen = self._fetch_and_cache_index(mirror_url)
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self._last_fetch_times[mirror_url] = (now, True)
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all_methods_failed = False
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except FetchCacheError as fetch_error:
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fetch_errors.extend(fetch_error.errors)
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needs_regen = False
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self._last_fetch_times[mirror_url] = (now, False)
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# Generally speaking, a new mirror wouldn't imply the need to
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# clear the spec cache, so leave it as is.
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if needs_regen:
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spec_cache_regenerate_needed = True
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self._write_local_index_cache()
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if all_methods_failed:
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raise FetchCacheError(fetch_errors)
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elif spec_cache_regenerate_needed:
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self.regenerate_spec_cache(clear_existing=spec_cache_clear_needed)
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def _fetch_and_cache_index(self, mirror_url, expect_hash=None):
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"""Fetch a buildcache index file from a remote mirror and cache it.
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If we already have a cached index from this mirror, then we first
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check if the hash has changed, and we avoid fetching it if not.
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Args:
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mirror_url (str): Base url of mirror
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expect_hash (str): If provided, this hash will be compared against
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the index hash we retrieve from the mirror, to determine if we
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need to fetch the index or not.
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Returns:
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True if this function thinks the concrete spec cache,
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``_mirrors_for_spec``, should be regenerated. Returns False
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otherwise.
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Throws:
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FetchCacheError: a composite exception.
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"""
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index_fetch_url = url_util.join(mirror_url, _build_cache_relative_path, "index.json")
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hash_fetch_url = url_util.join(mirror_url, _build_cache_relative_path, "index.json.hash")
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if not web_util.url_exists(index_fetch_url):
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# A binary mirror is not required to have an index, so avoid
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# raising FetchCacheError in that case.
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return False
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old_cache_key = None
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fetched_hash = None
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errors = []
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# Fetch the hash first so we can check if we actually need to fetch
|
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# the index itself.
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try:
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_, _, fs = web_util.read_from_url(hash_fetch_url)
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fetched_hash = codecs.getreader("utf-8")(fs).read()
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except (URLError, web_util.SpackWebError) as url_err:
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errors.append(
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RuntimeError(
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"Unable to read index hash {0} due to {1}: {2}".format(
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hash_fetch_url, url_err.__class__.__name__, str(url_err)
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)
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)
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)
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|
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# The only case where we'll skip attempting to fetch the buildcache
|
|
# index from the mirror is when we already have a hash for this
|
|
# mirror, we were able to retrieve one from the mirror, and
|
|
# the two hashes are the same.
|
|
if expect_hash and fetched_hash:
|
|
if fetched_hash == expect_hash:
|
|
tty.debug("Cached index for {0} already up to date".format(mirror_url))
|
|
return False
|
|
else:
|
|
# We expected a hash, we fetched a hash, and they were not the
|
|
# same. If we end up fetching an index successfully and
|
|
# replacing our entry for this mirror, we should clean up the
|
|
# existing cache file
|
|
if mirror_url in self._local_index_cache:
|
|
existing_entry = self._local_index_cache[mirror_url]
|
|
old_cache_key = existing_entry["index_path"]
|
|
|
|
tty.debug("Fetching index from {0}".format(index_fetch_url))
|
|
|
|
# Fetch index itself
|
|
try:
|
|
_, _, fs = web_util.read_from_url(index_fetch_url)
|
|
index_object_str = codecs.getreader("utf-8")(fs).read()
|
|
except (URLError, web_util.SpackWebError) as url_err:
|
|
errors.append(
|
|
RuntimeError(
|
|
"Unable to read index {0} due to {1}: {2}".format(
|
|
index_fetch_url, url_err.__class__.__name__, str(url_err)
|
|
)
|
|
)
|
|
)
|
|
raise FetchCacheError(errors)
|
|
|
|
locally_computed_hash = compute_hash(index_object_str)
|
|
|
|
if fetched_hash is not None and locally_computed_hash != fetched_hash:
|
|
msg = (
|
|
"Computed hash ({0}) did not match remote ({1}), "
|
|
"indicating error in index transmission"
|
|
).format(locally_computed_hash, expect_hash)
|
|
errors.append(RuntimeError(msg))
|
|
# We somehow got an index that doesn't match the remote one, maybe
|
|
# the next time we try we'll be successful.
|
|
raise FetchCacheError(errors)
|
|
|
|
url_hash = compute_hash(mirror_url)
|
|
|
|
cache_key = "{0}_{1}.json".format(url_hash[:10], locally_computed_hash[:10])
|
|
self._index_file_cache.init_entry(cache_key)
|
|
with self._index_file_cache.write_transaction(cache_key) as (old, new):
|
|
new.write(index_object_str)
|
|
|
|
self._local_index_cache[mirror_url] = {
|
|
"index_hash": locally_computed_hash,
|
|
"index_path": cache_key,
|
|
}
|
|
|
|
# clean up the old cache_key if necessary
|
|
if old_cache_key:
|
|
self._index_file_cache.remove(old_cache_key)
|
|
|
|
# We fetched an index and updated the local index cache, we should
|
|
# regenerate the spec cache as a result.
|
|
return True
|
|
|
|
|
|
def binary_index_location():
|
|
"""Set up a BinaryCacheIndex for remote buildcache dbs in the user's homedir."""
|
|
cache_root = os.path.join(misc_cache_location(), "indices")
|
|
return spack.util.path.canonicalize_path(cache_root)
|
|
|
|
|
|
def _binary_index():
|
|
"""Get the singleton store instance."""
|
|
return BinaryCacheIndex(binary_index_location())
|
|
|
|
|
|
#: Singleton binary_index instance
|
|
binary_index = llnl.util.lang.Singleton(_binary_index)
|
|
|
|
|
|
class NoOverwriteException(spack.error.SpackError):
|
|
"""
|
|
Raised when a file exists and must be overwritten.
|
|
"""
|
|
|
|
def __init__(self, file_path):
|
|
err_msg = "\n%s\nexists\n" % file_path
|
|
err_msg += "Use -f option to overwrite."
|
|
super(NoOverwriteException, self).__init__(err_msg)
|
|
|
|
|
|
class NoGpgException(spack.error.SpackError):
|
|
"""
|
|
Raised when gpg2 is not in PATH
|
|
"""
|
|
|
|
def __init__(self, msg):
|
|
super(NoGpgException, self).__init__(msg)
|
|
|
|
|
|
class NoKeyException(spack.error.SpackError):
|
|
"""
|
|
Raised when gpg has no default key added.
|
|
"""
|
|
|
|
def __init__(self, msg):
|
|
super(NoKeyException, self).__init__(msg)
|
|
|
|
|
|
class PickKeyException(spack.error.SpackError):
|
|
"""
|
|
Raised when multiple keys can be used to sign.
|
|
"""
|
|
|
|
def __init__(self, keys):
|
|
err_msg = "Multiple keys available for signing\n%s\n" % keys
|
|
err_msg += "Use spack buildcache create -k <key hash> to pick a key."
|
|
super(PickKeyException, self).__init__(err_msg)
|
|
|
|
|
|
class NoVerifyException(spack.error.SpackError):
|
|
"""
|
|
Raised if file fails signature verification.
|
|
"""
|
|
|
|
pass
|
|
|
|
|
|
class NoChecksumException(spack.error.SpackError):
|
|
"""
|
|
Raised if file fails checksum verification.
|
|
"""
|
|
|
|
pass
|
|
|
|
|
|
class NewLayoutException(spack.error.SpackError):
|
|
"""
|
|
Raised if directory layout is different from buildcache.
|
|
"""
|
|
|
|
def __init__(self, msg):
|
|
super(NewLayoutException, self).__init__(msg)
|
|
|
|
|
|
class UnsignedPackageException(spack.error.SpackError):
|
|
"""
|
|
Raised if installation of unsigned package is attempted without
|
|
the use of ``--no-check-signature``.
|
|
"""
|
|
|
|
|
|
def compute_hash(data):
|
|
return hashlib.sha256(data.encode("utf-8")).hexdigest()
|
|
|
|
|
|
def build_cache_relative_path():
|
|
return _build_cache_relative_path
|
|
|
|
|
|
def build_cache_keys_relative_path():
|
|
return _build_cache_keys_relative_path
|
|
|
|
|
|
def build_cache_prefix(prefix):
|
|
return os.path.join(prefix, build_cache_relative_path())
|
|
|
|
|
|
def buildinfo_file_name(prefix):
|
|
"""
|
|
Filename of the binary package meta-data file
|
|
"""
|
|
name = os.path.join(prefix, ".spack/binary_distribution")
|
|
return name
|
|
|
|
|
|
def read_buildinfo_file(prefix):
|
|
"""
|
|
Read buildinfo file
|
|
"""
|
|
filename = buildinfo_file_name(prefix)
|
|
with open(filename, "r") as inputfile:
|
|
content = inputfile.read()
|
|
buildinfo = yaml.load(content)
|
|
return buildinfo
|
|
|
|
|
|
class BuildManifestVisitor(BaseDirectoryVisitor):
|
|
"""Visitor that collects a list of files and symlinks
|
|
that can be checked for need of relocation. It knows how
|
|
to dedupe hardlinks and deal with symlinks to files and
|
|
directories."""
|
|
|
|
def __init__(self):
|
|
# Save unique identifiers of files to avoid
|
|
# relocating hardlink files for each path.
|
|
self.visited = set()
|
|
|
|
# Lists of files we will check
|
|
self.files = []
|
|
self.symlinks = []
|
|
|
|
def seen_before(self, root, rel_path):
|
|
stat_result = os.lstat(os.path.join(root, rel_path))
|
|
identifier = (stat_result.st_dev, stat_result.st_ino)
|
|
if identifier in self.visited:
|
|
return True
|
|
else:
|
|
self.visited.add(identifier)
|
|
return False
|
|
|
|
def visit_file(self, root, rel_path, depth):
|
|
if self.seen_before(root, rel_path):
|
|
return
|
|
self.files.append(rel_path)
|
|
|
|
def visit_symlinked_file(self, root, rel_path, depth):
|
|
# Note: symlinks *can* be hardlinked, but it is unclear if
|
|
# symlinks can be relinked in-place (preserving inode).
|
|
# Therefore, we do *not* de-dupe hardlinked symlinks.
|
|
self.symlinks.append(rel_path)
|
|
|
|
def before_visit_dir(self, root, rel_path, depth):
|
|
return os.path.basename(rel_path) not in (".spack", "man")
|
|
|
|
def before_visit_symlinked_dir(self, root, rel_path, depth):
|
|
# Treat symlinked directories simply as symlinks.
|
|
self.visit_symlinked_file(root, rel_path, depth)
|
|
# Never recurse into symlinked directories.
|
|
return False
|
|
|
|
|
|
def file_matches(path, regex):
|
|
with open(path, "rb") as f:
|
|
contents = f.read()
|
|
return bool(regex.search(contents))
|
|
|
|
|
|
def get_buildfile_manifest(spec):
|
|
"""
|
|
Return a data structure with information about a build, including
|
|
text_to_relocate, binary_to_relocate, binary_to_relocate_fullpath
|
|
link_to_relocate, and other, which means it doesn't fit any of previous
|
|
checks (and should not be relocated). We exclude docs (man) and
|
|
metadata (.spack). This can be used to find a particular kind of file
|
|
in spack, or to generate the build metadata.
|
|
"""
|
|
data = {
|
|
"text_to_relocate": [],
|
|
"binary_to_relocate": [],
|
|
"link_to_relocate": [],
|
|
"other": [],
|
|
"binary_to_relocate_fullpath": [],
|
|
"hardlinks_deduped": True,
|
|
}
|
|
|
|
# Guard against filesystem footguns of hardlinks and symlinks by using
|
|
# a visitor to retrieve a list of files and symlinks, so we don't have
|
|
# to worry about hardlinks of symlinked dirs and what not.
|
|
visitor = BuildManifestVisitor()
|
|
root = spec.prefix
|
|
visit_directory_tree(root, visitor)
|
|
|
|
# Collect a list of prefixes for this package and it's dependencies, Spack will
|
|
# look for them to decide if text file needs to be relocated or not
|
|
prefixes = [d.prefix for d in spec.traverse(root=True, deptype="all") if not d.external]
|
|
prefixes.append(spack.hooks.sbang.sbang_install_path())
|
|
prefixes.append(str(spack.store.layout.root))
|
|
|
|
# Create a giant regex that matches all prefixes
|
|
regex = utf8_paths_to_single_binary_regex(prefixes)
|
|
|
|
# Symlinks.
|
|
|
|
# Obvious bugs:
|
|
# 1. relative links are not relocated.
|
|
# 2. paths are used as strings.
|
|
for rel_path in visitor.symlinks:
|
|
abs_path = os.path.join(root, rel_path)
|
|
link = os.readlink(abs_path)
|
|
if os.path.isabs(link) and link.startswith(spack.store.layout.root):
|
|
data["link_to_relocate"].append(rel_path)
|
|
|
|
# Non-symlinks.
|
|
for rel_path in visitor.files:
|
|
abs_path = os.path.join(root, rel_path)
|
|
m_type, m_subtype = fsys.mime_type(abs_path)
|
|
|
|
if relocate.needs_binary_relocation(m_type, m_subtype):
|
|
# Why is this branch not part of needs_binary_relocation? :(
|
|
if (
|
|
(
|
|
m_subtype in ("x-executable", "x-sharedlib", "x-pie-executable")
|
|
and sys.platform != "darwin"
|
|
)
|
|
or (m_subtype in ("x-mach-binary") and sys.platform == "darwin")
|
|
or (not rel_path.endswith(".o"))
|
|
):
|
|
data["binary_to_relocate"].append(rel_path)
|
|
data["binary_to_relocate_fullpath"].append(abs_path)
|
|
continue
|
|
|
|
elif relocate.needs_text_relocation(m_type, m_subtype) and file_matches(abs_path, regex):
|
|
data["text_to_relocate"].append(rel_path)
|
|
continue
|
|
|
|
data["other"].append(abs_path)
|
|
|
|
return data
|
|
|
|
|
|
def write_buildinfo_file(spec, workdir, rel=False):
|
|
"""
|
|
Create a cache file containing information
|
|
required for the relocation
|
|
"""
|
|
manifest = get_buildfile_manifest(spec)
|
|
|
|
prefix_to_hash = dict()
|
|
prefix_to_hash[str(spec.package.prefix)] = spec.dag_hash()
|
|
deps = spack.build_environment.get_rpath_deps(spec.package)
|
|
for d in deps + spec.dependencies(deptype="run"):
|
|
prefix_to_hash[str(d.prefix)] = d.dag_hash()
|
|
|
|
# Create buildinfo data and write it to disk
|
|
buildinfo = {}
|
|
buildinfo["sbang_install_path"] = spack.hooks.sbang.sbang_install_path()
|
|
buildinfo["relative_rpaths"] = rel
|
|
buildinfo["buildpath"] = spack.store.layout.root
|
|
buildinfo["spackprefix"] = spack.paths.prefix
|
|
buildinfo["relative_prefix"] = os.path.relpath(spec.prefix, spack.store.layout.root)
|
|
buildinfo["relocate_textfiles"] = manifest["text_to_relocate"]
|
|
buildinfo["relocate_binaries"] = manifest["binary_to_relocate"]
|
|
buildinfo["relocate_links"] = manifest["link_to_relocate"]
|
|
buildinfo["hardlinks_deduped"] = manifest["hardlinks_deduped"]
|
|
buildinfo["prefix_to_hash"] = prefix_to_hash
|
|
filename = buildinfo_file_name(workdir)
|
|
with open(filename, "w") as outfile:
|
|
outfile.write(syaml.dump(buildinfo, default_flow_style=True))
|
|
|
|
|
|
def tarball_directory_name(spec):
|
|
"""
|
|
Return name of the tarball directory according to the convention
|
|
<os>-<architecture>/<compiler>/<package>-<version>/
|
|
"""
|
|
return "%s/%s/%s-%s" % (
|
|
spec.architecture,
|
|
str(spec.compiler).replace("@", "-"),
|
|
spec.name,
|
|
spec.version,
|
|
)
|
|
|
|
|
|
def tarball_name(spec, ext):
|
|
"""
|
|
Return the name of the tarfile according to the convention
|
|
<os>-<architecture>-<package>-<dag_hash><ext>
|
|
"""
|
|
return "%s-%s-%s-%s-%s%s" % (
|
|
spec.architecture,
|
|
str(spec.compiler).replace("@", "-"),
|
|
spec.name,
|
|
spec.version,
|
|
spec.dag_hash(),
|
|
ext,
|
|
)
|
|
|
|
|
|
def tarball_path_name(spec, ext):
|
|
"""
|
|
Return the full path+name for a given spec according to the convention
|
|
<tarball_directory_name>/<tarball_name>
|
|
"""
|
|
return os.path.join(tarball_directory_name(spec), tarball_name(spec, ext))
|
|
|
|
|
|
def checksum_tarball(file):
|
|
# calculate sha256 hash of tar file
|
|
block_size = 65536
|
|
hasher = hashlib.sha256()
|
|
with open(file, "rb") as tfile:
|
|
buf = tfile.read(block_size)
|
|
while len(buf) > 0:
|
|
hasher.update(buf)
|
|
buf = tfile.read(block_size)
|
|
return hasher.hexdigest()
|
|
|
|
|
|
def select_signing_key(key=None):
|
|
if key is None:
|
|
keys = spack.util.gpg.signing_keys()
|
|
if len(keys) == 1:
|
|
key = keys[0]
|
|
|
|
if len(keys) > 1:
|
|
raise PickKeyException(str(keys))
|
|
|
|
if len(keys) == 0:
|
|
raise NoKeyException(
|
|
"No default key available for signing.\n"
|
|
"Use spack gpg init and spack gpg create"
|
|
" to create a default key."
|
|
)
|
|
return key
|
|
|
|
|
|
def sign_specfile(key, force, specfile_path):
|
|
signed_specfile_path = "%s.sig" % specfile_path
|
|
if os.path.exists(signed_specfile_path):
|
|
if force:
|
|
os.remove(signed_specfile_path)
|
|
else:
|
|
raise NoOverwriteException(signed_specfile_path)
|
|
|
|
key = select_signing_key(key)
|
|
spack.util.gpg.sign(key, specfile_path, signed_specfile_path, clearsign=True)
|
|
|
|
|
|
def _fetch_spec_from_mirror(spec_url):
|
|
s = None
|
|
tty.debug("fetching {0}".format(spec_url))
|
|
_, _, spec_file = web_util.read_from_url(spec_url)
|
|
spec_file_contents = codecs.getreader("utf-8")(spec_file).read()
|
|
# Need full spec.json name or this gets confused with index.json.
|
|
if spec_url.endswith(".json.sig"):
|
|
specfile_json = Spec.extract_json_from_clearsig(spec_file_contents)
|
|
s = Spec.from_dict(specfile_json)
|
|
elif spec_url.endswith(".json"):
|
|
s = Spec.from_json(spec_file_contents)
|
|
elif spec_url.endswith(".yaml"):
|
|
s = Spec.from_yaml(spec_file_contents)
|
|
return s
|
|
|
|
|
|
def _read_specs_and_push_index(file_list, cache_prefix, db, db_root_dir):
|
|
for file_path in file_list:
|
|
try:
|
|
s = _fetch_spec_from_mirror(url_util.join(cache_prefix, file_path))
|
|
except (URLError, web_util.SpackWebError) as url_err:
|
|
tty.error("Error reading specfile: {0}".format(file_path))
|
|
tty.error(url_err)
|
|
|
|
if s:
|
|
db.add(s, None)
|
|
db.mark(s, "in_buildcache", True)
|
|
|
|
# Now generate the index, compute its hash, and push the two files to
|
|
# the mirror.
|
|
index_json_path = os.path.join(db_root_dir, "index.json")
|
|
with open(index_json_path, "w") as f:
|
|
db._write_to_file(f)
|
|
|
|
# Read the index back in and compute its hash
|
|
with open(index_json_path) as f:
|
|
index_string = f.read()
|
|
index_hash = compute_hash(index_string)
|
|
|
|
# Write the hash out to a local file
|
|
index_hash_path = os.path.join(db_root_dir, "index.json.hash")
|
|
with open(index_hash_path, "w") as f:
|
|
f.write(index_hash)
|
|
|
|
# Push the index itself
|
|
web_util.push_to_url(
|
|
index_json_path,
|
|
url_util.join(cache_prefix, "index.json"),
|
|
keep_original=False,
|
|
extra_args={"ContentType": "application/json"},
|
|
)
|
|
|
|
# Push the hash
|
|
web_util.push_to_url(
|
|
index_hash_path,
|
|
url_util.join(cache_prefix, "index.json.hash"),
|
|
keep_original=False,
|
|
extra_args={"ContentType": "text/plain"},
|
|
)
|
|
|
|
|
|
def generate_package_index(cache_prefix):
|
|
"""Create the build cache index page.
|
|
|
|
Creates (or replaces) the "index.json" page at the location given in
|
|
cache_prefix. This page contains a link for each binary package (.yaml or
|
|
.json) under cache_prefix.
|
|
"""
|
|
try:
|
|
file_list = [
|
|
entry
|
|
for entry in web_util.list_url(cache_prefix)
|
|
if entry.endswith(".yaml")
|
|
or entry.endswith("spec.json")
|
|
or entry.endswith("spec.json.sig")
|
|
]
|
|
except KeyError as inst:
|
|
msg = "No packages at {0}: {1}".format(cache_prefix, inst)
|
|
tty.warn(msg)
|
|
return
|
|
except Exception as err:
|
|
# If we got some kind of S3 (access denied or other connection
|
|
# error), the first non boto-specific class in the exception
|
|
# hierarchy is Exception. Just print a warning and return
|
|
msg = "Encountered problem listing packages at {0}: {1}".format(cache_prefix, err)
|
|
tty.warn(msg)
|
|
return
|
|
|
|
if any(x.endswith(".yaml") for x in file_list):
|
|
msg = (
|
|
"The mirror in '{}' contains specs in the deprecated YAML format.\n\n\tSupport for "
|
|
"this format will be removed in v0.20, please regenerate the build cache with a "
|
|
"recent Spack\n"
|
|
).format(cache_prefix)
|
|
warnings.warn(msg)
|
|
|
|
tty.debug("Retrieving spec descriptor files from {0} to build index".format(cache_prefix))
|
|
|
|
tmpdir = tempfile.mkdtemp()
|
|
db_root_dir = os.path.join(tmpdir, "db_root")
|
|
db = spack_db.Database(
|
|
None,
|
|
db_dir=db_root_dir,
|
|
enable_transaction_locking=False,
|
|
record_fields=["spec", "ref_count", "in_buildcache"],
|
|
)
|
|
|
|
try:
|
|
_read_specs_and_push_index(file_list, cache_prefix, db, db_root_dir)
|
|
except Exception as err:
|
|
msg = "Encountered problem pushing package index to {0}: {1}".format(cache_prefix, err)
|
|
tty.warn(msg)
|
|
tty.debug("\n" + traceback.format_exc())
|
|
finally:
|
|
shutil.rmtree(tmpdir)
|
|
|
|
|
|
def generate_key_index(key_prefix, tmpdir=None):
|
|
"""Create the key index page.
|
|
|
|
Creates (or replaces) the "index.json" page at the location given in
|
|
key_prefix. This page contains an entry for each key (.pub) under
|
|
key_prefix.
|
|
"""
|
|
|
|
tty.debug(
|
|
" ".join(
|
|
("Retrieving key.pub files from", url_util.format(key_prefix), "to build key index")
|
|
)
|
|
)
|
|
|
|
try:
|
|
fingerprints = (
|
|
entry[:-4]
|
|
for entry in web_util.list_url(key_prefix, recursive=False)
|
|
if entry.endswith(".pub")
|
|
)
|
|
except KeyError as inst:
|
|
msg = "No keys at {0}: {1}".format(key_prefix, inst)
|
|
tty.warn(msg)
|
|
return
|
|
except Exception as err:
|
|
# If we got some kind of S3 (access denied or other connection
|
|
# error), the first non boto-specific class in the exception
|
|
# hierarchy is Exception. Just print a warning and return
|
|
msg = "Encountered problem listing keys at {0}: {1}".format(key_prefix, err)
|
|
tty.warn(msg)
|
|
return
|
|
|
|
remove_tmpdir = False
|
|
|
|
keys_local = url_util.local_file_path(key_prefix)
|
|
if keys_local:
|
|
target = os.path.join(keys_local, "index.json")
|
|
else:
|
|
if not tmpdir:
|
|
tmpdir = tempfile.mkdtemp()
|
|
remove_tmpdir = True
|
|
target = os.path.join(tmpdir, "index.json")
|
|
|
|
index = {"keys": dict((fingerprint, {}) for fingerprint in sorted(set(fingerprints)))}
|
|
with open(target, "w") as f:
|
|
sjson.dump(index, f)
|
|
|
|
if not keys_local:
|
|
try:
|
|
web_util.push_to_url(
|
|
target,
|
|
url_util.join(key_prefix, "index.json"),
|
|
keep_original=False,
|
|
extra_args={"ContentType": "application/json"},
|
|
)
|
|
except Exception as err:
|
|
msg = "Encountered problem pushing key index to {0}: {1}".format(key_prefix, err)
|
|
tty.warn(msg)
|
|
finally:
|
|
if remove_tmpdir:
|
|
shutil.rmtree(tmpdir)
|
|
|
|
|
|
def _build_tarball(
|
|
spec,
|
|
outdir,
|
|
force=False,
|
|
relative=False,
|
|
unsigned=False,
|
|
allow_root=False,
|
|
key=None,
|
|
regenerate_index=False,
|
|
):
|
|
"""
|
|
Build a tarball from given spec and put it into the directory structure
|
|
used at the mirror (following <tarball_directory_name>).
|
|
"""
|
|
if not spec.concrete:
|
|
raise ValueError("spec must be concrete to build tarball")
|
|
|
|
# set up some paths
|
|
tmpdir = tempfile.mkdtemp()
|
|
cache_prefix = build_cache_prefix(tmpdir)
|
|
|
|
tarfile_name = tarball_name(spec, ".spack")
|
|
tarfile_dir = os.path.join(cache_prefix, tarball_directory_name(spec))
|
|
tarfile_path = os.path.join(tarfile_dir, tarfile_name)
|
|
spackfile_path = os.path.join(cache_prefix, tarball_path_name(spec, ".spack"))
|
|
|
|
remote_spackfile_path = url_util.join(outdir, os.path.relpath(spackfile_path, tmpdir))
|
|
|
|
mkdirp(tarfile_dir)
|
|
if web_util.url_exists(remote_spackfile_path):
|
|
if force:
|
|
web_util.remove_url(remote_spackfile_path)
|
|
else:
|
|
raise NoOverwriteException(url_util.format(remote_spackfile_path))
|
|
|
|
# need to copy the spec file so the build cache can be downloaded
|
|
# without concretizing with the current spack packages
|
|
# and preferences
|
|
|
|
spec_file = spack.store.layout.spec_file_path(spec)
|
|
specfile_name = tarball_name(spec, ".spec.json")
|
|
specfile_path = os.path.realpath(os.path.join(cache_prefix, specfile_name))
|
|
signed_specfile_path = "{0}.sig".format(specfile_path)
|
|
deprecated_specfile_path = specfile_path.replace(".spec.json", ".spec.yaml")
|
|
|
|
remote_specfile_path = url_util.join(
|
|
outdir, os.path.relpath(specfile_path, os.path.realpath(tmpdir))
|
|
)
|
|
remote_signed_specfile_path = "{0}.sig".format(remote_specfile_path)
|
|
remote_specfile_path_deprecated = url_util.join(
|
|
outdir, os.path.relpath(deprecated_specfile_path, os.path.realpath(tmpdir))
|
|
)
|
|
|
|
# If force and exists, overwrite. Otherwise raise exception on collision.
|
|
if force:
|
|
if web_util.url_exists(remote_specfile_path):
|
|
web_util.remove_url(remote_specfile_path)
|
|
if web_util.url_exists(remote_signed_specfile_path):
|
|
web_util.remove_url(remote_signed_specfile_path)
|
|
if web_util.url_exists(remote_specfile_path_deprecated):
|
|
web_util.remove_url(remote_specfile_path_deprecated)
|
|
elif (
|
|
web_util.url_exists(remote_specfile_path)
|
|
or web_util.url_exists(remote_signed_specfile_path)
|
|
or web_util.url_exists(remote_specfile_path_deprecated)
|
|
):
|
|
raise NoOverwriteException(url_util.format(remote_specfile_path))
|
|
|
|
# make a copy of the install directory to work with
|
|
workdir = os.path.join(tmpdir, os.path.basename(spec.prefix))
|
|
# install_tree copies hardlinks
|
|
# create a temporary tarfile from prefix and exract it to workdir
|
|
# tarfile preserves hardlinks
|
|
temp_tarfile_name = tarball_name(spec, ".tar")
|
|
temp_tarfile_path = os.path.join(tarfile_dir, temp_tarfile_name)
|
|
with closing(tarfile.open(temp_tarfile_path, "w")) as tar:
|
|
tar.add(name="%s" % spec.prefix, arcname=".")
|
|
with closing(tarfile.open(temp_tarfile_path, "r")) as tar:
|
|
tar.extractall(workdir)
|
|
os.remove(temp_tarfile_path)
|
|
|
|
# create info for later relocation and create tar
|
|
write_buildinfo_file(spec, workdir, relative)
|
|
|
|
# optionally make the paths in the binaries relative to each other
|
|
# in the spack install tree before creating tarball
|
|
if relative:
|
|
try:
|
|
make_package_relative(workdir, spec, allow_root)
|
|
except Exception as e:
|
|
shutil.rmtree(workdir)
|
|
shutil.rmtree(tarfile_dir)
|
|
shutil.rmtree(tmpdir)
|
|
tty.die(e)
|
|
else:
|
|
try:
|
|
check_package_relocatable(workdir, spec, allow_root)
|
|
except Exception as e:
|
|
shutil.rmtree(workdir)
|
|
shutil.rmtree(tarfile_dir)
|
|
shutil.rmtree(tmpdir)
|
|
tty.die(e)
|
|
|
|
# create gzip compressed tarball of the install prefix
|
|
# On AMD Ryzen 3700X and an SSD disk, we have the following on compression speed:
|
|
# compresslevel=6 gzip default: llvm takes 4mins, roughly 2.1GB
|
|
# compresslevel=9 python default: llvm takes 12mins, roughly 2.1GB
|
|
# So we follow gzip.
|
|
with closing(tarfile.open(tarfile_path, "w:gz", compresslevel=6)) as tar:
|
|
tar.add(name="%s" % workdir, arcname="%s" % os.path.basename(spec.prefix))
|
|
# remove copy of install directory
|
|
shutil.rmtree(workdir)
|
|
|
|
# get the sha256 checksum of the tarball
|
|
checksum = checksum_tarball(tarfile_path)
|
|
|
|
# add sha256 checksum to spec.json
|
|
|
|
with open(spec_file, "r") as inputfile:
|
|
content = inputfile.read()
|
|
if spec_file.endswith(".yaml"):
|
|
spec_dict = yaml.load(content)
|
|
elif spec_file.endswith(".json"):
|
|
spec_dict = sjson.load(content)
|
|
else:
|
|
raise ValueError("{0} not a valid spec file type (json or yaml)".format(spec_file))
|
|
spec_dict["buildcache_layout_version"] = 1
|
|
bchecksum = {}
|
|
bchecksum["hash_algorithm"] = "sha256"
|
|
bchecksum["hash"] = checksum
|
|
spec_dict["binary_cache_checksum"] = bchecksum
|
|
# Add original install prefix relative to layout root to spec.json.
|
|
# This will be used to determine is the directory layout has changed.
|
|
buildinfo = {}
|
|
buildinfo["relative_prefix"] = os.path.relpath(spec.prefix, spack.store.layout.root)
|
|
buildinfo["relative_rpaths"] = relative
|
|
spec_dict["buildinfo"] = buildinfo
|
|
|
|
with open(specfile_path, "w") as outfile:
|
|
outfile.write(sjson.dump(spec_dict))
|
|
|
|
# sign the tarball and spec file with gpg
|
|
if not unsigned:
|
|
key = select_signing_key(key)
|
|
sign_specfile(key, force, specfile_path)
|
|
|
|
# push tarball and signed spec json to remote mirror
|
|
web_util.push_to_url(spackfile_path, remote_spackfile_path, keep_original=False)
|
|
web_util.push_to_url(
|
|
signed_specfile_path if not unsigned else specfile_path,
|
|
remote_signed_specfile_path if not unsigned else remote_specfile_path,
|
|
keep_original=False,
|
|
)
|
|
|
|
tty.debug('Buildcache for "{0}" written to \n {1}'.format(spec, remote_spackfile_path))
|
|
|
|
try:
|
|
# push the key to the build cache's _pgp directory so it can be
|
|
# imported
|
|
if not unsigned:
|
|
push_keys(outdir, keys=[key], regenerate_index=regenerate_index, tmpdir=tmpdir)
|
|
|
|
# create an index.json for the build_cache directory so specs can be
|
|
# found
|
|
if regenerate_index:
|
|
generate_package_index(url_util.join(outdir, os.path.relpath(cache_prefix, tmpdir)))
|
|
finally:
|
|
shutil.rmtree(tmpdir)
|
|
|
|
return None
|
|
|
|
|
|
def nodes_to_be_packaged(specs, include_root=True, include_dependencies=True):
|
|
"""Return the list of nodes to be packaged, given a list of specs.
|
|
|
|
Args:
|
|
specs (List[spack.spec.Spec]): list of root specs to be processed
|
|
include_root (bool): include the root of each spec in the nodes
|
|
include_dependencies (bool): include the dependencies of each
|
|
spec in the nodes
|
|
"""
|
|
if not include_root and not include_dependencies:
|
|
return set()
|
|
|
|
def skip_node(current_node):
|
|
if current_node.external or current_node.virtual:
|
|
return True
|
|
return spack.store.db.query_one(current_node) is None
|
|
|
|
expanded_set = set()
|
|
for current_spec in specs:
|
|
if not include_dependencies:
|
|
nodes = [current_spec]
|
|
else:
|
|
nodes = [
|
|
n
|
|
for n in current_spec.traverse(
|
|
order="post", root=include_root, deptype=("link", "run")
|
|
)
|
|
]
|
|
|
|
for node in nodes:
|
|
if not skip_node(node):
|
|
expanded_set.add(node)
|
|
|
|
return expanded_set
|
|
|
|
|
|
def push(specs, push_url, specs_kwargs=None, **kwargs):
|
|
"""Create a binary package for each of the specs passed as input and push them
|
|
to a given push URL.
|
|
|
|
Args:
|
|
specs (List[spack.spec.Spec]): installed specs to be packaged
|
|
push_url (str): url where to push the binary package
|
|
specs_kwargs (dict): dictionary with two possible boolean keys, "include_root"
|
|
and "include_dependencies", which determine which part of each spec is
|
|
packaged and pushed to the mirror
|
|
**kwargs: TODO
|
|
|
|
"""
|
|
specs_kwargs = specs_kwargs or {"include_root": True, "include_dependencies": True}
|
|
nodes = nodes_to_be_packaged(specs, **specs_kwargs)
|
|
|
|
# TODO: This seems to be an easy target for task
|
|
# TODO: distribution using a parallel pool
|
|
for node in nodes:
|
|
try:
|
|
_build_tarball(node, push_url, **kwargs)
|
|
except NoOverwriteException as e:
|
|
warnings.warn(str(e))
|
|
|
|
|
|
def try_verify(specfile_path):
|
|
"""Utility function to attempt to verify a local file. Assumes the
|
|
file is a clearsigned signature file.
|
|
|
|
Args:
|
|
specfile_path (str): Path to file to be verified.
|
|
|
|
Returns:
|
|
``True`` if the signature could be verified, ``False`` otherwise.
|
|
"""
|
|
suppress = config.get("config:suppress_gpg_warnings", False)
|
|
|
|
try:
|
|
spack.util.gpg.verify(specfile_path, suppress_warnings=suppress)
|
|
except Exception:
|
|
return False
|
|
|
|
return True
|
|
|
|
|
|
def try_fetch(url_to_fetch):
|
|
"""Utility function to try and fetch a file from a url, stage it
|
|
locally, and return the path to the staged file.
|
|
|
|
Args:
|
|
url_to_fetch (str): Url pointing to remote resource to fetch
|
|
|
|
Returns:
|
|
Path to locally staged resource or ``None`` if it could not be fetched.
|
|
"""
|
|
stage = Stage(url_to_fetch, keep=True)
|
|
stage.create()
|
|
|
|
try:
|
|
stage.fetch()
|
|
except web_util.FetchError:
|
|
stage.destroy()
|
|
return None
|
|
|
|
return stage
|
|
|
|
|
|
def _delete_staged_downloads(download_result):
|
|
"""Clean up stages used to download tarball and specfile"""
|
|
download_result["tarball_stage"].destroy()
|
|
download_result["specfile_stage"].destroy()
|
|
|
|
|
|
def download_tarball(spec, unsigned=False, mirrors_for_spec=None):
|
|
"""
|
|
Download binary tarball for given package into stage area, returning
|
|
path to downloaded tarball if successful, None otherwise.
|
|
|
|
Args:
|
|
spec (spack.spec.Spec): Concrete spec
|
|
unsigned (bool): Whether or not to require signed binaries
|
|
mirrors_for_spec (list): Optional list of concrete specs and mirrors
|
|
obtained by calling binary_distribution.get_mirrors_for_spec().
|
|
These will be checked in order first before looking in other
|
|
configured mirrors.
|
|
|
|
Returns:
|
|
``None`` if the tarball could not be downloaded (maybe also verified,
|
|
depending on whether new-style signed binary packages were found).
|
|
Otherwise, return an object indicating the path to the downloaded
|
|
tarball, the path to the downloaded specfile (in the case of new-style
|
|
buildcache), and whether or not the tarball is already verified.
|
|
|
|
.. code-block:: JSON
|
|
|
|
{
|
|
"tarball_path": "path-to-locally-saved-tarfile",
|
|
"specfile_path": "none-or-path-to-locally-saved-specfile",
|
|
"signature_verified": "true-if-binary-pkg-was-already-verified"
|
|
}
|
|
"""
|
|
if not spack.mirror.MirrorCollection():
|
|
tty.die("Please add a spack mirror to allow " + "download of pre-compiled packages.")
|
|
|
|
tarball = tarball_path_name(spec, ".spack")
|
|
specfile_prefix = tarball_name(spec, ".spec")
|
|
|
|
mirrors_to_try = []
|
|
|
|
# Note on try_first and try_next:
|
|
# mirrors_for_spec mostly likely came from spack caching remote
|
|
# mirror indices locally and adding their specs to a local data
|
|
# structure supporting quick lookup of concrete specs. Those
|
|
# mirrors are likely a subset of all configured mirrors, and
|
|
# we'll probably find what we need in one of them. But we'll
|
|
# look in all configured mirrors if needed, as maybe the spec
|
|
# we need was in an un-indexed mirror. No need to check any
|
|
# mirror for the spec twice though.
|
|
try_first = [i["mirror_url"] for i in mirrors_for_spec] if mirrors_for_spec else []
|
|
try_next = [
|
|
i.fetch_url
|
|
for i in spack.mirror.MirrorCollection().values()
|
|
if i.fetch_url not in try_first
|
|
]
|
|
|
|
for url in try_first + try_next:
|
|
mirrors_to_try.append(
|
|
{
|
|
"specfile": url_util.join(url, _build_cache_relative_path, specfile_prefix),
|
|
"spackfile": url_util.join(url, _build_cache_relative_path, tarball),
|
|
}
|
|
)
|
|
|
|
tried_to_verify_sigs = []
|
|
|
|
# Assumes we care more about finding a spec file by preferred ext
|
|
# than by mirrory priority. This can be made less complicated as
|
|
# we remove support for deprecated spec formats and buildcache layouts.
|
|
for ext in ["json.sig", "json", "yaml"]:
|
|
for mirror_to_try in mirrors_to_try:
|
|
specfile_url = "{0}.{1}".format(mirror_to_try["specfile"], ext)
|
|
spackfile_url = mirror_to_try["spackfile"]
|
|
local_specfile_stage = try_fetch(specfile_url)
|
|
if local_specfile_stage:
|
|
local_specfile_path = local_specfile_stage.save_filename
|
|
signature_verified = False
|
|
|
|
if ext.endswith(".sig") and not unsigned:
|
|
# If we found a signed specfile at the root, try to verify
|
|
# the signature immediately. We will not download the
|
|
# tarball if we could not verify the signature.
|
|
tried_to_verify_sigs.append(specfile_url)
|
|
signature_verified = try_verify(local_specfile_path)
|
|
if not signature_verified:
|
|
tty.warn("Failed to verify: {0}".format(specfile_url))
|
|
|
|
if unsigned or signature_verified or not ext.endswith(".sig"):
|
|
# We will download the tarball in one of three cases:
|
|
# 1. user asked for --no-check-signature
|
|
# 2. user didn't ask for --no-check-signature, but we
|
|
# found a spec.json.sig and verified the signature already
|
|
# 3. neither of the first two cases are true, but this file
|
|
# is *not* a signed json (not a spec.json.sig file). That
|
|
# means we already looked at all the mirrors and either didn't
|
|
# find any .sig files or couldn't verify any of them. But it
|
|
# is still possible to find an old style binary package where
|
|
# the signature is a detached .asc file in the outer archive
|
|
# of the tarball, and in that case, the only way to know is to
|
|
# download the tarball. This is a deprecated use case, so if
|
|
# something goes wrong during the extraction process (can't
|
|
# verify signature, checksum doesn't match) we will fail at
|
|
# that point instead of trying to download more tarballs from
|
|
# the remaining mirrors, looking for one we can use.
|
|
tarball_stage = try_fetch(spackfile_url)
|
|
if tarball_stage:
|
|
if ext == "yaml":
|
|
msg = (
|
|
"Reading {} from mirror.\n\n\tThe YAML format for buildcaches is "
|
|
"deprecated and will be removed in v0.20\n"
|
|
).format(spackfile_url)
|
|
warnings.warn(msg)
|
|
|
|
return {
|
|
"tarball_stage": tarball_stage,
|
|
"specfile_stage": local_specfile_stage,
|
|
"signature_verified": signature_verified,
|
|
}
|
|
|
|
local_specfile_stage.destroy()
|
|
|
|
# Falling through the nested loops meeans we exhaustively searched
|
|
# for all known kinds of spec files on all mirrors and did not find
|
|
# an acceptable one for which we could download a tarball.
|
|
|
|
if tried_to_verify_sigs:
|
|
raise NoVerifyException(
|
|
(
|
|
"Spack found new style signed binary packages, "
|
|
"but was unable to verify any of them. Please "
|
|
"obtain and trust the correct public key. If "
|
|
"these are public spack binaries, please see the "
|
|
"spack docs for locations where keys can be found."
|
|
)
|
|
)
|
|
|
|
tty.warn(
|
|
"download_tarball() was unable to download "
|
|
+ "{0} from any configured mirrors".format(spec)
|
|
)
|
|
return None
|
|
|
|
|
|
def make_package_relative(workdir, spec, allow_root):
|
|
"""
|
|
Change paths in binaries to relative paths. Change absolute symlinks
|
|
to relative symlinks.
|
|
"""
|
|
prefix = spec.prefix
|
|
buildinfo = read_buildinfo_file(workdir)
|
|
old_layout_root = buildinfo["buildpath"]
|
|
orig_path_names = list()
|
|
cur_path_names = list()
|
|
for filename in buildinfo["relocate_binaries"]:
|
|
orig_path_names.append(os.path.join(prefix, filename))
|
|
cur_path_names.append(os.path.join(workdir, filename))
|
|
|
|
platform = spack.platforms.by_name(spec.platform)
|
|
if "macho" in platform.binary_formats:
|
|
relocate.make_macho_binaries_relative(cur_path_names, orig_path_names, old_layout_root)
|
|
|
|
if "elf" in platform.binary_formats:
|
|
relocate.make_elf_binaries_relative(cur_path_names, orig_path_names, old_layout_root)
|
|
|
|
relocate.raise_if_not_relocatable(cur_path_names, allow_root)
|
|
orig_path_names = list()
|
|
cur_path_names = list()
|
|
for linkname in buildinfo.get("relocate_links", []):
|
|
orig_path_names.append(os.path.join(prefix, linkname))
|
|
cur_path_names.append(os.path.join(workdir, linkname))
|
|
relocate.make_link_relative(cur_path_names, orig_path_names)
|
|
|
|
|
|
def check_package_relocatable(workdir, spec, allow_root):
|
|
"""
|
|
Check if package binaries are relocatable.
|
|
Change links to placeholder links.
|
|
"""
|
|
buildinfo = read_buildinfo_file(workdir)
|
|
cur_path_names = list()
|
|
for filename in buildinfo["relocate_binaries"]:
|
|
cur_path_names.append(os.path.join(workdir, filename))
|
|
relocate.raise_if_not_relocatable(cur_path_names, allow_root)
|
|
|
|
|
|
def dedupe_hardlinks_if_necessary(root, buildinfo):
|
|
"""Updates a buildinfo dict for old archives that did
|
|
not dedupe hardlinks. De-duping hardlinks is necessary
|
|
when relocating files in parallel and in-place. This
|
|
means we must preserve inodes when relocating."""
|
|
|
|
# New archives don't need this.
|
|
if buildinfo.get("hardlinks_deduped", False):
|
|
return
|
|
|
|
# Clearly we can assume that an inode is either in the
|
|
# textfile or binary group, but let's just stick to
|
|
# a single set of visited nodes.
|
|
visited = set()
|
|
|
|
# Note: we do *not* dedupe hardlinked symlinks, since
|
|
# it seems difficult or even impossible to relink
|
|
# symlinks while preserving inode.
|
|
for key in ("relocate_textfiles", "relocate_binaries"):
|
|
if key not in buildinfo:
|
|
continue
|
|
new_list = []
|
|
for rel_path in buildinfo[key]:
|
|
stat_result = os.lstat(os.path.join(root, rel_path))
|
|
identifier = (stat_result.st_dev, stat_result.st_ino)
|
|
if identifier in visited:
|
|
continue
|
|
visited.add(identifier)
|
|
new_list.append(rel_path)
|
|
buildinfo[key] = new_list
|
|
|
|
|
|
def relocate_package(spec, allow_root):
|
|
"""
|
|
Relocate the given package
|
|
"""
|
|
workdir = str(spec.prefix)
|
|
buildinfo = read_buildinfo_file(workdir)
|
|
new_layout_root = str(spack.store.layout.root)
|
|
new_prefix = str(spec.prefix)
|
|
new_rel_prefix = str(os.path.relpath(new_prefix, new_layout_root))
|
|
new_spack_prefix = str(spack.paths.prefix)
|
|
|
|
old_sbang_install_path = None
|
|
if "sbang_install_path" in buildinfo:
|
|
old_sbang_install_path = str(buildinfo["sbang_install_path"])
|
|
old_layout_root = str(buildinfo["buildpath"])
|
|
old_spack_prefix = str(buildinfo.get("spackprefix"))
|
|
old_rel_prefix = buildinfo.get("relative_prefix")
|
|
old_prefix = os.path.join(old_layout_root, old_rel_prefix)
|
|
rel = buildinfo.get("relative_rpaths")
|
|
prefix_to_hash = buildinfo.get("prefix_to_hash", None)
|
|
if old_rel_prefix != new_rel_prefix and not prefix_to_hash:
|
|
msg = "Package tarball was created from an install "
|
|
msg += "prefix with a different directory layout and an older "
|
|
msg += "buildcache create implementation. It cannot be relocated."
|
|
raise NewLayoutException(msg)
|
|
# older buildcaches do not have the prefix_to_hash dictionary
|
|
# need to set an empty dictionary and add one entry to
|
|
# prefix_to_prefix to reproduce the old behavior
|
|
if not prefix_to_hash:
|
|
prefix_to_hash = dict()
|
|
hash_to_prefix = dict()
|
|
hash_to_prefix[spec.format("{hash}")] = str(spec.package.prefix)
|
|
new_deps = spack.build_environment.get_rpath_deps(spec.package)
|
|
for d in new_deps + spec.dependencies(deptype="run"):
|
|
hash_to_prefix[d.format("{hash}")] = str(d.prefix)
|
|
# Spurious replacements (e.g. sbang) will cause issues with binaries
|
|
# For example, the new sbang can be longer than the old one.
|
|
# Hence 2 dictionaries are maintained here.
|
|
prefix_to_prefix_text = collections.OrderedDict()
|
|
prefix_to_prefix_bin = collections.OrderedDict()
|
|
|
|
if old_sbang_install_path:
|
|
install_path = spack.hooks.sbang.sbang_install_path()
|
|
prefix_to_prefix_text[old_sbang_install_path] = install_path
|
|
|
|
# First match specific prefix paths. Possibly the *local* install prefix
|
|
# of some dependency is in an upstream, so we cannot assume the original
|
|
# spack store root can be mapped uniformly to the new spack store root.
|
|
for orig_prefix, hash in prefix_to_hash.items():
|
|
prefix_to_prefix_text[orig_prefix] = hash_to_prefix.get(hash, None)
|
|
prefix_to_prefix_bin[orig_prefix] = hash_to_prefix.get(hash, None)
|
|
|
|
# Only then add the generic fallback of install prefix -> install prefix.
|
|
prefix_to_prefix_text[old_prefix] = new_prefix
|
|
prefix_to_prefix_bin[old_prefix] = new_prefix
|
|
prefix_to_prefix_text[old_layout_root] = new_layout_root
|
|
prefix_to_prefix_bin[old_layout_root] = new_layout_root
|
|
|
|
# This is vestigial code for the *old* location of sbang. Previously,
|
|
# sbang was a bash script, and it lived in the spack prefix. It is
|
|
# now a POSIX script that lives in the install prefix. Old packages
|
|
# will have the old sbang location in their shebangs.
|
|
orig_sbang = "#!/bin/bash {0}/bin/sbang".format(old_spack_prefix)
|
|
new_sbang = spack.hooks.sbang.sbang_shebang_line()
|
|
prefix_to_prefix_text[orig_sbang] = new_sbang
|
|
|
|
tty.debug("Relocating package from", "%s to %s." % (old_layout_root, new_layout_root))
|
|
|
|
# Old archives maybe have hardlinks repeated.
|
|
dedupe_hardlinks_if_necessary(workdir, buildinfo)
|
|
|
|
def is_backup_file(file):
|
|
return file.endswith("~")
|
|
|
|
# Text files containing the prefix text
|
|
text_names = list()
|
|
for filename in buildinfo["relocate_textfiles"]:
|
|
text_name = os.path.join(workdir, filename)
|
|
# Don't add backup files generated by filter_file during install step.
|
|
if not is_backup_file(text_name):
|
|
text_names.append(text_name)
|
|
|
|
# If we are not installing back to the same install tree do the relocation
|
|
if old_prefix != new_prefix:
|
|
files_to_relocate = [
|
|
os.path.join(workdir, filename) for filename in buildinfo.get("relocate_binaries")
|
|
]
|
|
# If the buildcache was not created with relativized rpaths
|
|
# do the relocation of path in binaries
|
|
platform = spack.platforms.by_name(spec.platform)
|
|
if "macho" in platform.binary_formats:
|
|
relocate.relocate_macho_binaries(
|
|
files_to_relocate,
|
|
old_layout_root,
|
|
new_layout_root,
|
|
prefix_to_prefix_bin,
|
|
rel,
|
|
old_prefix,
|
|
new_prefix,
|
|
)
|
|
elif "elf" in platform.binary_formats and not rel:
|
|
# The new ELF dynamic section relocation logic only handles absolute to
|
|
# absolute relocation.
|
|
relocate.new_relocate_elf_binaries(files_to_relocate, prefix_to_prefix_bin)
|
|
elif "elf" in platform.binary_formats and rel:
|
|
relocate.relocate_elf_binaries(
|
|
files_to_relocate,
|
|
old_layout_root,
|
|
new_layout_root,
|
|
prefix_to_prefix_bin,
|
|
rel,
|
|
old_prefix,
|
|
new_prefix,
|
|
)
|
|
|
|
# Relocate links to the new install prefix
|
|
links = [os.path.join(workdir, f) for f in buildinfo.get("relocate_links", [])]
|
|
relocate.relocate_links(links, prefix_to_prefix_bin)
|
|
|
|
# For all buildcaches
|
|
# relocate the install prefixes in text files including dependencies
|
|
relocate.unsafe_relocate_text(text_names, prefix_to_prefix_text)
|
|
|
|
# relocate the install prefixes in binary files including dependencies
|
|
relocate.unsafe_relocate_text_bin(files_to_relocate, prefix_to_prefix_bin)
|
|
|
|
# If we are installing back to the same location
|
|
# relocate the sbang location if the spack directory changed
|
|
else:
|
|
if old_spack_prefix != new_spack_prefix:
|
|
relocate.unsafe_relocate_text(text_names, prefix_to_prefix_text)
|
|
|
|
|
|
def _extract_inner_tarball(spec, filename, extract_to, unsigned, remote_checksum):
|
|
stagepath = os.path.dirname(filename)
|
|
spackfile_name = tarball_name(spec, ".spack")
|
|
spackfile_path = os.path.join(stagepath, spackfile_name)
|
|
tarfile_name = tarball_name(spec, ".tar.gz")
|
|
tarfile_path = os.path.join(extract_to, tarfile_name)
|
|
deprecated_yaml_name = tarball_name(spec, ".spec.yaml")
|
|
deprecated_yaml_path = os.path.join(extract_to, deprecated_yaml_name)
|
|
json_name = tarball_name(spec, ".spec.json")
|
|
json_path = os.path.join(extract_to, json_name)
|
|
with closing(tarfile.open(spackfile_path, "r")) as tar:
|
|
tar.extractall(extract_to)
|
|
# some buildcache tarfiles use bzip2 compression
|
|
if not os.path.exists(tarfile_path):
|
|
tarfile_name = tarball_name(spec, ".tar.bz2")
|
|
tarfile_path = os.path.join(extract_to, tarfile_name)
|
|
|
|
if os.path.exists(json_path):
|
|
specfile_path = json_path
|
|
elif os.path.exists(deprecated_yaml_path):
|
|
specfile_path = deprecated_yaml_path
|
|
else:
|
|
raise ValueError("Cannot find spec file for {0}.".format(extract_to))
|
|
|
|
if not unsigned:
|
|
if os.path.exists("%s.asc" % specfile_path):
|
|
suppress = config.get("config:suppress_gpg_warnings", False)
|
|
try:
|
|
spack.util.gpg.verify("%s.asc" % specfile_path, specfile_path, suppress)
|
|
except Exception:
|
|
raise NoVerifyException(
|
|
"Spack was unable to verify package "
|
|
"signature, please obtain and trust the "
|
|
"correct public key."
|
|
)
|
|
else:
|
|
raise UnsignedPackageException(
|
|
"To install unsigned packages, use the --no-check-signature option."
|
|
)
|
|
# get the sha256 checksum of the tarball
|
|
local_checksum = checksum_tarball(tarfile_path)
|
|
|
|
# if the checksums don't match don't install
|
|
if local_checksum != remote_checksum["hash"]:
|
|
raise NoChecksumException(
|
|
"Package tarball failed checksum verification.\n" "It cannot be installed."
|
|
)
|
|
|
|
return tarfile_path
|
|
|
|
|
|
def extract_tarball(spec, download_result, allow_root=False, unsigned=False, force=False):
|
|
"""
|
|
extract binary tarball for given package into install area
|
|
"""
|
|
if os.path.exists(spec.prefix):
|
|
if force:
|
|
shutil.rmtree(spec.prefix)
|
|
else:
|
|
raise NoOverwriteException(str(spec.prefix))
|
|
|
|
specfile_path = download_result["specfile_stage"].save_filename
|
|
|
|
with open(specfile_path, "r") as inputfile:
|
|
content = inputfile.read()
|
|
if specfile_path.endswith(".json.sig"):
|
|
spec_dict = Spec.extract_json_from_clearsig(content)
|
|
elif specfile_path.endswith(".json"):
|
|
spec_dict = sjson.load(content)
|
|
else:
|
|
spec_dict = syaml.load(content)
|
|
|
|
bchecksum = spec_dict["binary_cache_checksum"]
|
|
filename = download_result["tarball_stage"].save_filename
|
|
signature_verified = download_result["signature_verified"]
|
|
tmpdir = None
|
|
|
|
if (
|
|
"buildcache_layout_version" not in spec_dict
|
|
or int(spec_dict["buildcache_layout_version"]) < 1
|
|
):
|
|
# Handle the older buildcache layout where the .spack file
|
|
# contains a spec json/yaml, maybe an .asc file (signature),
|
|
# and another tarball containing the actual install tree.
|
|
tmpdir = tempfile.mkdtemp()
|
|
try:
|
|
tarfile_path = _extract_inner_tarball(spec, filename, tmpdir, unsigned, bchecksum)
|
|
except Exception as e:
|
|
_delete_staged_downloads(download_result)
|
|
shutil.rmtree(tmpdir)
|
|
raise e
|
|
else:
|
|
# Newer buildcache layout: the .spack file contains just
|
|
# in the install tree, the signature, if it exists, is
|
|
# wrapped around the spec.json at the root. If sig verify
|
|
# was required, it was already done before downloading
|
|
# the tarball.
|
|
tarfile_path = filename
|
|
|
|
if not unsigned and not signature_verified:
|
|
raise UnsignedPackageException(
|
|
"To install unsigned packages, use the --no-check-signature option."
|
|
)
|
|
|
|
# compute the sha256 checksum of the tarball
|
|
local_checksum = checksum_tarball(tarfile_path)
|
|
|
|
# if the checksums don't match don't install
|
|
if local_checksum != bchecksum["hash"]:
|
|
_delete_staged_downloads(download_result)
|
|
raise NoChecksumException(
|
|
"Package tarball failed checksum verification.\n" "It cannot be installed."
|
|
)
|
|
|
|
new_relative_prefix = str(os.path.relpath(spec.prefix, spack.store.layout.root))
|
|
# if the original relative prefix is in the spec file use it
|
|
buildinfo = spec_dict.get("buildinfo", {})
|
|
old_relative_prefix = buildinfo.get("relative_prefix", new_relative_prefix)
|
|
rel = buildinfo.get("relative_rpaths")
|
|
info = "old relative prefix %s\nnew relative prefix %s\nrelative rpaths %s"
|
|
tty.debug(info % (old_relative_prefix, new_relative_prefix, rel), level=2)
|
|
|
|
# Extract the tarball into the store root, presumably on the same filesystem.
|
|
# The directory created is the base directory name of the old prefix.
|
|
# Moving the old prefix name to the new prefix location should preserve
|
|
# hard links and symbolic links.
|
|
extract_tmp = os.path.join(spack.store.layout.root, ".tmp")
|
|
mkdirp(extract_tmp)
|
|
extracted_dir = os.path.join(extract_tmp, old_relative_prefix.split(os.path.sep)[-1])
|
|
|
|
with closing(tarfile.open(tarfile_path, "r")) as tar:
|
|
try:
|
|
tar.extractall(path=extract_tmp)
|
|
except Exception as e:
|
|
_delete_staged_downloads(download_result)
|
|
shutil.rmtree(extracted_dir)
|
|
raise e
|
|
try:
|
|
shutil.move(extracted_dir, spec.prefix)
|
|
except Exception as e:
|
|
_delete_staged_downloads(download_result)
|
|
shutil.rmtree(extracted_dir)
|
|
raise e
|
|
os.remove(tarfile_path)
|
|
os.remove(specfile_path)
|
|
|
|
try:
|
|
relocate_package(spec, allow_root)
|
|
except Exception as e:
|
|
shutil.rmtree(spec.prefix)
|
|
raise e
|
|
else:
|
|
manifest_file = os.path.join(
|
|
spec.prefix, spack.store.layout.metadata_dir, spack.store.layout.manifest_file_name
|
|
)
|
|
if not os.path.exists(manifest_file):
|
|
spec_id = spec.format("{name}/{hash:7}")
|
|
tty.warn("No manifest file in tarball for spec %s" % spec_id)
|
|
finally:
|
|
if tmpdir:
|
|
shutil.rmtree(tmpdir)
|
|
if os.path.exists(filename):
|
|
os.remove(filename)
|
|
_delete_staged_downloads(download_result)
|
|
|
|
|
|
def install_root_node(spec, allow_root, unsigned=False, force=False, sha256=None):
|
|
"""Install the root node of a concrete spec from a buildcache.
|
|
|
|
Checking the sha256 sum of a node before installation is usually needed only
|
|
for software installed during Spack's bootstrapping (since we might not have
|
|
a proper signature verification mechanism available).
|
|
|
|
Args:
|
|
spec: spec to be installed (note that only the root node will be installed)
|
|
allow_root (bool): allows the root directory to be present in binaries
|
|
(may affect relocation)
|
|
unsigned (bool): if True allows installing unsigned binaries
|
|
force (bool): force installation if the spec is already present in the
|
|
local store
|
|
sha256 (str): optional sha256 of the binary package, to be checked
|
|
before installation
|
|
"""
|
|
# Early termination
|
|
if spec.external or spec.virtual:
|
|
warnings.warn("Skipping external or virtual package {0}".format(spec.format()))
|
|
return
|
|
elif spec.concrete and spec.installed and not force:
|
|
warnings.warn("Package for spec {0} already installed.".format(spec.format()))
|
|
return
|
|
|
|
download_result = download_tarball(spec, unsigned)
|
|
if not download_result:
|
|
msg = 'download of binary cache file for spec "{0}" failed'
|
|
raise RuntimeError(msg.format(spec.format()))
|
|
|
|
if sha256:
|
|
checker = spack.util.crypto.Checker(sha256)
|
|
msg = 'cannot verify checksum for "{0}" [expected={1}]'
|
|
tarball_path = download_result["tarball_stage"].save_filename
|
|
msg = msg.format(tarball_path, sha256)
|
|
if not checker.check(tarball_path):
|
|
_delete_staged_downloads(download_result)
|
|
raise spack.binary_distribution.NoChecksumException(msg)
|
|
tty.debug("Verified SHA256 checksum of the build cache")
|
|
|
|
# don't print long padded paths while extracting/relocating binaries
|
|
with spack.util.path.filter_padding():
|
|
tty.msg('Installing "{0}" from a buildcache'.format(spec.format()))
|
|
extract_tarball(spec, download_result, allow_root, unsigned, force)
|
|
spack.hooks.post_install(spec)
|
|
spack.store.db.add(spec, spack.store.layout)
|
|
|
|
|
|
def install_single_spec(spec, allow_root=False, unsigned=False, force=False):
|
|
"""Install a single concrete spec from a buildcache.
|
|
|
|
Args:
|
|
spec (spack.spec.Spec): spec to be installed
|
|
allow_root (bool): allows the root directory to be present in binaries
|
|
(may affect relocation)
|
|
unsigned (bool): if True allows installing unsigned binaries
|
|
force (bool): force installation if the spec is already present in the
|
|
local store
|
|
"""
|
|
for node in spec.traverse(root=True, order="post", deptype=("link", "run")):
|
|
install_root_node(node, allow_root=allow_root, unsigned=unsigned, force=force)
|
|
|
|
|
|
def try_direct_fetch(spec, mirrors=None):
|
|
"""
|
|
Try to find the spec directly on the configured mirrors
|
|
"""
|
|
deprecated_specfile_name = tarball_name(spec, ".spec.yaml")
|
|
specfile_name = tarball_name(spec, ".spec.json")
|
|
signed_specfile_name = tarball_name(spec, ".spec.json.sig")
|
|
specfile_is_signed = False
|
|
specfile_is_json = True
|
|
found_specs = []
|
|
|
|
for mirror in spack.mirror.MirrorCollection(mirrors=mirrors).values():
|
|
buildcache_fetch_url_yaml = url_util.join(
|
|
mirror.fetch_url, _build_cache_relative_path, deprecated_specfile_name
|
|
)
|
|
buildcache_fetch_url_json = url_util.join(
|
|
mirror.fetch_url, _build_cache_relative_path, specfile_name
|
|
)
|
|
buildcache_fetch_url_signed_json = url_util.join(
|
|
mirror.fetch_url, _build_cache_relative_path, signed_specfile_name
|
|
)
|
|
try:
|
|
_, _, fs = web_util.read_from_url(buildcache_fetch_url_signed_json)
|
|
specfile_is_signed = True
|
|
except (URLError, web_util.SpackWebError, HTTPError) as url_err:
|
|
try:
|
|
_, _, fs = web_util.read_from_url(buildcache_fetch_url_json)
|
|
except (URLError, web_util.SpackWebError, HTTPError) as url_err_x:
|
|
try:
|
|
_, _, fs = web_util.read_from_url(buildcache_fetch_url_yaml)
|
|
specfile_is_json = False
|
|
except (URLError, web_util.SpackWebError, HTTPError) as url_err_y:
|
|
tty.debug(
|
|
"Did not find {0} on {1}".format(
|
|
specfile_name, buildcache_fetch_url_signed_json
|
|
),
|
|
url_err,
|
|
level=2,
|
|
)
|
|
tty.debug(
|
|
"Did not find {0} on {1}".format(specfile_name, buildcache_fetch_url_json),
|
|
url_err_x,
|
|
level=2,
|
|
)
|
|
tty.debug(
|
|
"Did not find {0} on {1}".format(specfile_name, buildcache_fetch_url_yaml),
|
|
url_err_y,
|
|
level=2,
|
|
)
|
|
continue
|
|
specfile_contents = codecs.getreader("utf-8")(fs).read()
|
|
|
|
# read the spec from the build cache file. All specs in build caches
|
|
# are concrete (as they are built) so we need to mark this spec
|
|
# concrete on read-in.
|
|
if specfile_is_signed:
|
|
specfile_json = Spec.extract_json_from_clearsig(specfile_contents)
|
|
fetched_spec = Spec.from_dict(specfile_json)
|
|
elif specfile_is_json:
|
|
fetched_spec = Spec.from_json(specfile_contents)
|
|
else:
|
|
fetched_spec = Spec.from_yaml(specfile_contents)
|
|
fetched_spec._mark_concrete()
|
|
|
|
found_specs.append(
|
|
{
|
|
"mirror_url": mirror.fetch_url,
|
|
"spec": fetched_spec,
|
|
}
|
|
)
|
|
|
|
return found_specs
|
|
|
|
|
|
def get_mirrors_for_spec(spec=None, mirrors_to_check=None, index_only=False):
|
|
"""
|
|
Check if concrete spec exists on mirrors and return a list
|
|
indicating the mirrors on which it can be found
|
|
|
|
Args:
|
|
spec (spack.spec.Spec): The spec to look for in binary mirrors
|
|
mirrors_to_check (dict): Optionally override the configured mirrors
|
|
with the mirrors in this dictionary.
|
|
index_only (bool): Do not attempt direct fetching of ``spec.json``
|
|
files from remote mirrors, only consider the indices.
|
|
|
|
Return:
|
|
A list of objects, each containing a ``mirror_url`` and ``spec`` key
|
|
indicating all mirrors where the spec can be found.
|
|
"""
|
|
if spec is None:
|
|
return []
|
|
|
|
if not spack.mirror.MirrorCollection(mirrors=mirrors_to_check):
|
|
tty.debug("No Spack mirrors are currently configured")
|
|
return {}
|
|
|
|
results = binary_index.find_built_spec(spec, mirrors_to_check=mirrors_to_check)
|
|
|
|
# The index may be out-of-date. If we aren't only considering indices, try
|
|
# to fetch directly since we know where the file should be.
|
|
if not results and not index_only:
|
|
results = try_direct_fetch(spec, mirrors=mirrors_to_check)
|
|
# We found a spec by the direct fetch approach, we might as well
|
|
# add it to our mapping.
|
|
if results:
|
|
binary_index.update_spec(spec, results)
|
|
|
|
return results
|
|
|
|
|
|
def update_cache_and_get_specs():
|
|
"""
|
|
Get all concrete specs for build caches available on configured mirrors.
|
|
Initialization of internal cache data structures is done as lazily as
|
|
possible, so this method will also attempt to initialize and update the
|
|
local index cache (essentially a no-op if it has been done already and
|
|
nothing has changed on the configured mirrors.)
|
|
|
|
Throws:
|
|
FetchCacheError
|
|
"""
|
|
binary_index.update()
|
|
return binary_index.get_all_built_specs()
|
|
|
|
|
|
def clear_spec_cache():
|
|
binary_index.clear()
|
|
|
|
|
|
def get_keys(install=False, trust=False, force=False, mirrors=None):
|
|
"""Get pgp public keys available on mirror with suffix .pub"""
|
|
mirror_collection = mirrors or spack.mirror.MirrorCollection()
|
|
|
|
if not mirror_collection:
|
|
tty.die("Please add a spack mirror to allow " + "download of build caches.")
|
|
|
|
for mirror in mirror_collection.values():
|
|
fetch_url = mirror.fetch_url
|
|
keys_url = url_util.join(
|
|
fetch_url, _build_cache_relative_path, _build_cache_keys_relative_path
|
|
)
|
|
keys_index = url_util.join(keys_url, "index.json")
|
|
|
|
tty.debug("Finding public keys in {0}".format(url_util.format(fetch_url)))
|
|
|
|
try:
|
|
_, _, json_file = web_util.read_from_url(keys_index)
|
|
json_index = sjson.load(codecs.getreader("utf-8")(json_file))
|
|
except (URLError, web_util.SpackWebError) as url_err:
|
|
if web_util.url_exists(keys_index):
|
|
err_msg = [
|
|
"Unable to find public keys in {0},",
|
|
" caught exception attempting to read from {1}.",
|
|
]
|
|
|
|
tty.error(
|
|
"".join(err_msg).format(
|
|
url_util.format(fetch_url), url_util.format(keys_index)
|
|
)
|
|
)
|
|
|
|
tty.debug(url_err)
|
|
|
|
continue
|
|
|
|
for fingerprint, key_attributes in json_index["keys"].items():
|
|
link = os.path.join(keys_url, fingerprint + ".pub")
|
|
|
|
with Stage(link, name="build_cache", keep=True) as stage:
|
|
if os.path.exists(stage.save_filename) and force:
|
|
os.remove(stage.save_filename)
|
|
if not os.path.exists(stage.save_filename):
|
|
try:
|
|
stage.fetch()
|
|
except web_util.FetchError:
|
|
continue
|
|
|
|
tty.debug("Found key {0}".format(fingerprint))
|
|
if install:
|
|
if trust:
|
|
spack.util.gpg.trust(stage.save_filename)
|
|
tty.debug("Added this key to trusted keys.")
|
|
else:
|
|
tty.debug(
|
|
"Will not add this key to trusted keys."
|
|
"Use -t to install all downloaded keys"
|
|
)
|
|
|
|
|
|
def push_keys(*mirrors, **kwargs):
|
|
"""
|
|
Upload pgp public keys to the given mirrors
|
|
"""
|
|
keys = kwargs.get("keys")
|
|
regenerate_index = kwargs.get("regenerate_index", False)
|
|
tmpdir = kwargs.get("tmpdir")
|
|
remove_tmpdir = False
|
|
|
|
keys = spack.util.gpg.public_keys(*(keys or []))
|
|
|
|
try:
|
|
for mirror in mirrors:
|
|
push_url = getattr(mirror, "push_url", mirror)
|
|
keys_url = url_util.join(
|
|
push_url, _build_cache_relative_path, _build_cache_keys_relative_path
|
|
)
|
|
keys_local = url_util.local_file_path(keys_url)
|
|
|
|
verb = "Writing" if keys_local else "Uploading"
|
|
tty.debug("{0} public keys to {1}".format(verb, url_util.format(push_url)))
|
|
|
|
if keys_local: # mirror is local, don't bother with the tmpdir
|
|
prefix = keys_local
|
|
mkdirp(keys_local)
|
|
else:
|
|
# A tmp dir is created for the first mirror that is non-local.
|
|
# On the off-hand chance that all the mirrors are local, then
|
|
# we can avoid the need to create a tmp dir.
|
|
if tmpdir is None:
|
|
tmpdir = tempfile.mkdtemp()
|
|
remove_tmpdir = True
|
|
prefix = tmpdir
|
|
|
|
for fingerprint in keys:
|
|
tty.debug(" " + fingerprint)
|
|
filename = fingerprint + ".pub"
|
|
|
|
export_target = os.path.join(prefix, filename)
|
|
|
|
# Export public keys (private is set to False)
|
|
spack.util.gpg.export_keys(export_target, [fingerprint])
|
|
|
|
# If mirror is local, the above export writes directly to the
|
|
# mirror (export_target points directly to the mirror).
|
|
#
|
|
# If not, then export_target is a tmpfile that needs to be
|
|
# uploaded to the mirror.
|
|
if not keys_local:
|
|
spack.util.web.push_to_url(
|
|
export_target, url_util.join(keys_url, filename), keep_original=False
|
|
)
|
|
|
|
if regenerate_index:
|
|
if keys_local:
|
|
generate_key_index(keys_url)
|
|
else:
|
|
generate_key_index(keys_url, tmpdir)
|
|
finally:
|
|
if remove_tmpdir:
|
|
shutil.rmtree(tmpdir)
|
|
|
|
|
|
def needs_rebuild(spec, mirror_url):
|
|
if not spec.concrete:
|
|
raise ValueError("spec must be concrete to check against mirror")
|
|
|
|
pkg_name = spec.name
|
|
pkg_version = spec.version
|
|
pkg_hash = spec.dag_hash()
|
|
|
|
tty.debug("Checking {0}-{1}, dag_hash = {2}".format(pkg_name, pkg_version, pkg_hash))
|
|
tty.debug(spec.tree())
|
|
|
|
# Try to retrieve the specfile directly, based on the known
|
|
# format of the name, in order to determine if the package
|
|
# needs to be rebuilt.
|
|
cache_prefix = build_cache_prefix(mirror_url)
|
|
specfile_name = tarball_name(spec, ".spec.json")
|
|
specfile_path = os.path.join(cache_prefix, specfile_name)
|
|
|
|
# Only check for the presence of the json version of the spec. If the
|
|
# mirror only has the yaml version, or doesn't have the spec at all, we
|
|
# need to rebuild.
|
|
return not web_util.url_exists(specfile_path)
|
|
|
|
|
|
def check_specs_against_mirrors(mirrors, specs, output_file=None):
|
|
"""Check all the given specs against buildcaches on the given mirrors and
|
|
determine if any of the specs need to be rebuilt. Specs need to be rebuilt
|
|
when their hash doesn't exist in the mirror.
|
|
|
|
Arguments:
|
|
mirrors (dict): Mirrors to check against
|
|
specs (typing.Iterable): Specs to check against mirrors
|
|
output_file (str): Path to output file to be written. If provided,
|
|
mirrors with missing or out-of-date specs will be formatted as a
|
|
JSON object and written to this file.
|
|
|
|
Returns: 1 if any spec was out-of-date on any mirror, 0 otherwise.
|
|
|
|
"""
|
|
rebuilds = {}
|
|
for mirror in spack.mirror.MirrorCollection(mirrors).values():
|
|
tty.debug("Checking for built specs at {0}".format(mirror.fetch_url))
|
|
|
|
rebuild_list = []
|
|
|
|
for spec in specs:
|
|
if needs_rebuild(spec, mirror.fetch_url):
|
|
rebuild_list.append({"short_spec": spec.short_spec, "hash": spec.dag_hash()})
|
|
|
|
if rebuild_list:
|
|
rebuilds[mirror.fetch_url] = {
|
|
"mirrorName": mirror.name,
|
|
"mirrorUrl": mirror.fetch_url,
|
|
"rebuildSpecs": rebuild_list,
|
|
}
|
|
|
|
if output_file:
|
|
with open(output_file, "w") as outf:
|
|
outf.write(json.dumps(rebuilds))
|
|
|
|
return 1 if rebuilds else 0
|
|
|
|
|
|
def _download_buildcache_entry(mirror_root, descriptions):
|
|
for description in descriptions:
|
|
path = description["path"]
|
|
mkdirp(path)
|
|
fail_if_missing = description["required"]
|
|
for url in description["url"]:
|
|
description_url = os.path.join(mirror_root, url)
|
|
stage = Stage(description_url, name="build_cache", path=path, keep=True)
|
|
try:
|
|
stage.fetch()
|
|
break
|
|
except web_util.FetchError as e:
|
|
tty.debug(e)
|
|
else:
|
|
if fail_if_missing:
|
|
tty.error("Failed to download required url {0}".format(description_url))
|
|
return False
|
|
return True
|
|
|
|
|
|
def download_buildcache_entry(file_descriptions, mirror_url=None):
|
|
if not mirror_url and not spack.mirror.MirrorCollection():
|
|
tty.die(
|
|
"Please provide or add a spack mirror to allow " + "download of buildcache entries."
|
|
)
|
|
|
|
if mirror_url:
|
|
mirror_root = os.path.join(mirror_url, _build_cache_relative_path)
|
|
return _download_buildcache_entry(mirror_root, file_descriptions)
|
|
|
|
for mirror in spack.mirror.MirrorCollection().values():
|
|
mirror_root = os.path.join(mirror.fetch_url, _build_cache_relative_path)
|
|
|
|
if _download_buildcache_entry(mirror_root, file_descriptions):
|
|
return True
|
|
else:
|
|
continue
|
|
|
|
return False
|
|
|
|
|
|
def download_single_spec(concrete_spec, destination, mirror_url=None):
|
|
"""Download the buildcache files for a single concrete spec.
|
|
|
|
Args:
|
|
concrete_spec: concrete spec to be downloaded
|
|
destination (str): path where to put the downloaded buildcache
|
|
mirror_url (str): url of the mirror from which to download
|
|
"""
|
|
tarfile_name = tarball_name(concrete_spec, ".spack")
|
|
tarball_dir_name = tarball_directory_name(concrete_spec)
|
|
tarball_path_name = os.path.join(tarball_dir_name, tarfile_name)
|
|
local_tarball_path = os.path.join(destination, tarball_dir_name)
|
|
|
|
files_to_fetch = [
|
|
{
|
|
"url": [tarball_path_name],
|
|
"path": local_tarball_path,
|
|
"required": True,
|
|
},
|
|
{
|
|
"url": [
|
|
tarball_name(concrete_spec, ".spec.json.sig"),
|
|
tarball_name(concrete_spec, ".spec.json"),
|
|
tarball_name(concrete_spec, ".spec.yaml"),
|
|
],
|
|
"path": destination,
|
|
"required": True,
|
|
},
|
|
]
|
|
|
|
return download_buildcache_entry(files_to_fetch, mirror_url)
|
|
|
|
|
|
class BinaryCacheQuery(object):
|
|
"""Callable object to query if a spec is in a binary cache"""
|
|
|
|
def __init__(self, all_architectures):
|
|
"""
|
|
Args:
|
|
all_architectures (bool): if True consider all the spec for querying,
|
|
otherwise restrict to the current default architecture
|
|
"""
|
|
self.all_architectures = all_architectures
|
|
|
|
specs = update_cache_and_get_specs()
|
|
|
|
if not self.all_architectures:
|
|
arch = spack.spec.Spec.default_arch()
|
|
specs = [s for s in specs if s.satisfies(arch)]
|
|
|
|
self.possible_specs = specs
|
|
|
|
def __call__(self, spec, **kwargs):
|
|
matches = []
|
|
if spec.startswith("/"):
|
|
# Matching a DAG hash
|
|
query_hash = spec.replace("/", "")
|
|
for candidate_spec in self.possible_specs:
|
|
if candidate_spec.dag_hash().startswith(query_hash):
|
|
matches.append(candidate_spec)
|
|
else:
|
|
# Matching a spec constraint
|
|
matches = [s for s in self.possible_specs if s.satisfies(spec)]
|
|
return matches
|