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* Drastically improve YamlFilesystemView file removal via batching
The `remove_file` routine has to check if the file is owned by multiple packages, so it doesn't
remove necessary files. This is done by the `get_all_specs` routine, which walks the entire
package tree. With large numbers of packages on shared file systems, this can take seconds
per file tree traversal, which adds up extremely quickly. For example, a single deactivate
of a largish python package in our software stack on GPFS took approximately 40 minutes.
This patch simply replaces `remove_file` with a batch `remove_files` routine. This routine
removes a list of files rather than a single file, requiring only one traversal per batch. In
practice this means a package can be removed in seconds time, rather than potentially hours,
essentially a ~100x speedup (ignoring initial deactivation logic, which takes about 3 minutes
in our test setup).
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* Fix sbang hook for non-writable files
PR #26793 seems to have broken the sbang hook for files with missing
write permissions. Installing perl now breaks with the following error:
```
==> [2021-10-28-12:09:26.832759] Error: PermissionError: [Errno 13] Permission denied: '$SPACK/opt/spack/linux-fedora34-zen2/gcc-11.2.1/perl-5.34.0-afuweplnhphcojcowsc2mb5ngncmczk4/bin/cpanm'
```
Temporarily add write permissions to the original file so it can be
overwritten with the patched one.
And test that file permissions are preserved in sbang even for non-writable files
Co-authored-by: Harmen Stoppels <harmenstoppels@gmail.com>
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When relocating a binary distribution, Spack only checks files to see
if they are a link that needs to be relocated. Directories can be
such links as well, however, and need to undergo the same checks
and potential relocation.
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We moved documentation tests to readthedocs since a while,
so remove the one on GitHub.
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`spack list` tests are not using mock packages for some reason, and many
are marked as potentially slow. This isn't really necessary; we don't need
6,000 packages to test the command.
- [x] update tests to use `mock_packages` fixture
- [x] remove `maybeslow` annotations
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Currently Spack reads full files containing shebangs to memory as
strings, meaning Spack would have to guess their encoding. Currently
Spack has a fixed guess of UTF-8.
This is unnecessary, since e.g. the Linux kernel does not assume an
encoding on paths at all, it's just bytes and some delimiters on the
byte level.
This commit does the following:
1. Shebangs are treated as bytes, so that e.g. latin1 encoded files do
not throw UnicodeEncoding errors, and adds a test for this.
2. No more bytes than necessary are read to memory, we only have to read
until the first newline, and from there on we an copy the file byte by
bytes instead of decoding and re-encoding text.
3. We cap the number of bytes read to 4096, if no newline is found
before that, we don't attempt to patch it.
4. Add support for luajit too.
This should make Spack both more efficient and usable for non-UTF8
files.
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* Add test
* Only extend with Git version when using Version
* xfail v.concrete test
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Spack's `system` and `user` scopes provide ways for administrators and
users to set global defaults for all Spack instances, but for use cases
where one wants a clean Spack installation, these scopes can be undesirable.
For example, users may want to opt out of global system configuration, or
they may want to ignore their own home directory settings when running in
a continuous integration environment.
Spack also, by default, keeps various caches and user data in `~/.spack`,
but users may want to override these locations.
Spack provides three environment variables that allow you to override or
opt out of configuration locations:
* `SPACK_USER_CONFIG_PATH`: Override the path to use for the
`user` (`~/.spack`) scope.
* `SPACK_SYSTEM_CONFIG_PATH`: Override the path to use for the
`system` (`/etc/spack`) scope.
* `SPACK_DISABLE_LOCAL_CONFIG`: set this environment variable to completely
disable *both* the system and user configuration directories. Spack will
only consider its own defaults and `site` configuration locations.
And one that allows you to move the default cache location:
* `SPACK_USER_CACHE_PATH`: Override the default path to use for user data
(misc_cache, tests, reports, etc.)
With these settings, if you want to isolate Spack in a CI environment, you can do this:
export SPACK_DISABLE_LOCAL_CONFIG=true
export SPACK_USER_CACHE_PATH=/tmp/spack
This is a stop-gap approach until we have figured out how to deal with
the system and user config scopes more generally, as there are plans to
potentially / eventually get rid of them.
**User config**
Spack is a bit of a pain when you have:
- a shared $HOME folder across different systems.
- multiple Spack versions on the same system.
**System config**
- On shared systems with a versioned programming environment / toolkit,
system administrators want to provide config for each version (e.g.
21.09, 21.10) of the programming environment, and the user Spack
instance should be able to pick this up without a steep learning
curve.
- On shared systems the user should be able to opt out of the
hard-coded config scope in /etc/spack, since it may be incompatible
with their particular instance. Currently Spack can only opt out of all
config scopes through overrides with `"config:":`, `"packages:":`, but that
also drops the defaults config, which would have to be repeated, which
is undesirable, especially the lengthy packages.yaml.
An example use case is: having config in this folder:
```
/path/to/programming/environment/{version}/{compilers,packages}.yaml
```
and have `module load spack-system-config` set the variable
```
SPACK_SYSTEM_CONFIG_PATH=/path/to/programming/environment/{version}
```
where the user no longer has to worry about what `{version}` they are
on.
**Continuous integration**
Finally, there is the use case of continuous integration, which may
clone an arbitrary Spack version, which optimally should not pick up
system or user config from the previous run (like may happen in
classical bare metal non-containerized filesystem side effect ridden
jenkins pipelines). In fact this is very similar to how spack itself
tries to avoid picking up system dependencies during builds...
**But environments solve this?**
- You could do `include`s in environment files to get similar behavior
to the spack_system_config_path example, but environments require you
to:
1) require paths to individual config files, not directories.
2) fail if the listed config file does not exist
- They allow you to override config scopes, but this is generally too
rigurous, as it requires you to repeat the default config, in
particular packages.yaml, and just defies the point of layered config.
Co-authored-by: Tom Scogland <tscogland@llnl.gov>
Co-authored-by: Tim Fuller <tjfulle@sandia.gov>
Co-authored-by: Steve Leak <sleak@lbl.gov>
Co-authored-by: Todd Gamblin <tgamblin@llnl.gov>
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* allow no arch-dir modules
* add tests for modules with no arch
* document arch-specific module roots
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Any spec satisfying a default will be symlinked to `default`
If multiple specs have modulefiles in the same directory and satisfy
configured module defaults, then whichever was written last will be
default.
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This PR permits to specify the `url` and `ref` of the Spack instance used in a container recipe simply by expanding the YAML schema as outlined in #20442:
```yaml
container:
images:
os: amazonlinux:2
spack:
ref: develop
resolve_sha: true
```
The `resolve_sha` option, if true, verifies the `ref` by cloning the Spack repository in a temporary directory and transforming any tag or branch name to a commit sha. When this new ability is leveraged an additional "bootstrap" stage is added, which builds an image with Spack setup and ready to install software. The Spack repository to be used can be customized with the `url` keyword under `spack`.
Modifications:
- [x] Permit to pin the version of Spack, either by branch or tag or sha
- [x] Added a few new OSes (centos:8, amazonlinux:2, ubuntu:20.04, alpine:3, cuda:11.2.1)
- [x] Permit to print the bootstrap image as a standalone
- [x] Add documentation on the new part of the schema
- [x] Add unit tests for different use cases
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* cuda: add 11.4.1, 11.4.2, 11.5.0.
Note that the curses dependency from cuda-gdb was dropped in 11.4.0.
* Update clang/gcc constraints.
* Address review, assume clang 12 is OK from 11.4.1 onwards.
* superlu-dist@7.1.0 conflicts with cuda@11.5.0.
* Update var/spack/repos/builtin/packages/superlu-dist/package.py
Co-authored-by: Harmen Stoppels <harmenstoppels@gmail.com>
Co-authored-by: Harmen Stoppels <harmenstoppels@gmail.com>
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1. Currently it prints not just the spec name, but the dependencies +
their variants + their compilers + their architectures + ...
2. It's clear from the context what spec the message applies to, so,
let's not print the spec at all.
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Co-authored-by: Ryan Krattiger <ryan.krattiger@kitware.com>
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These three rules in `concretize.lp` are overly complex:
```prolog
:- not provider(Package, Virtual),
provides_virtual(Package, Virtual),
virtual_node(Virtual).
```
```prolog
:- provides_virtual(Package, V1), provides_virtual(Package, V2), V1 != V2,
provider(Package, V1), not provider(Package, V2),
virtual_node(V1), virtual_node(V2).
```
```prolog
provider(Package, Virtual) :- root(Package), provides_virtual(Package, Virtual).
```
and they can be simplified to just:
```prolog
provider(Package, Virtual) :- node(Package), provides_virtual(Package, Virtual).
```
- [x] simplify virtual rules to just one implication
- [x] rename `provides_virtual` to `virtual_condition_holds`
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fixes #26866
This semantics fits with the way Spack currently treats providers of
virtual dependencies. It needs to be revisited when #15569 is reworked
with a new syntax.
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* py-vermin: add latest version 1.3.1
* Exclude line from Vermin since version is already being checked for
Vermin 1.3.1 finds that `encoding` kwarg of builtin `open()` requires Python 3+.
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The OS should only interpret shebangs, if a file is executable.
Thus, there should be no need to modify files where no execute bit is set.
This solves issues that are e.g. encountered while packaging software as
COVISE (https://github.com/hlrs-vis/covise), which includes example data
in Tecplot format. The sbang post-install hook is applied to every installed
file that starts with the two characters #!, but this fails on the binary Tecplot
files, as they happen to start with #!TDV. Decoding them with UTF-8 fails
and an exception is thrown during post_install.
Co-authored-by: Martin Aumüller <aumuell@reserv.at>
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Backports the relevant bits of https://github.com/pytest-dev/py/commit/0f77b6e66f79c07dbb657e2b4a7e94263eacc01b
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This commit contains changes to support Google Cloud Storage
buckets as mirrors, meant for hosting Spack build-caches. This
feature is beneficial for folks that are running infrastructure on
Google Cloud Platform. On public cloud systems, resources are
ephemeral and in many cases, installing compilers, MPI flavors,
and user packages from scratch takes up considerable time.
Giving users the ability to host a Spack mirror that can store build
caches in GCS buckets offers a clean solution for reducing
application rebuilds for Google Cloud infrastructure.
Co-authored-by: Joe Schoonover <joe@fluidnumerics.com>
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current env (#26654)
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With this commit stacktraces of subprocesses are shown only if debug mode is active
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* Update cray architecture detection for milan
Update the cray architecture module table with x86-milan -> zen3
Make cray architecture more robust to back off from frontend
architecture to a recent ancestor if necessary. This should make
future cray updates less paingful for users.
Co-authored-by: Gregory Becker <becker33.llnl.gov>
Co-authored-by: Todd Gamblin <gamblin2@llnl.gov>
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1. Don't use 16 digits of precision for the seconds, round to 2 digits after the comma
2. Don't print if we don't concretize (i.e. `spack concretize` without `-f` doesn't have to tell me it did nothing in `0.00` seconds)
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* Speed-up environment concretization with a process pool
We can exploit the fact that the environment is concretized
separately and use a pool of processes to concretize it.
* Add module spack.util.parallel
Module includes `pool` and `parallel_map` abstractions,
along with implementation details for both.
* Add a new hash type to pass specs across processes
* Add tty msg with concretization time
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- [x] Stage already concretized specs instead of abstract ones
- [x] Reduce number of network calls by reading naughty list up front
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We use POSIX `patch` to apply patches to files when building, but
`patch` by default prompts the user when it looks like a patch
has already been applied. This means that:
1. If a patch lands in upstream and we don't disable it
in a package, the build will start failing.
2. `spack develop` builds (which keep the stage around) will
fail the second time you try to use them.
To avoid that, we can run `patch` with `-N` (also called
`--forward`, but the long option is not in POSIX). `-N` causes
`patch` to just ignore patches that have already been applied.
This *almost* makes `patch` idempotent, except that it returns 1
when it detects already applied patches with `-N`, so we have to
look at the output of the command to see if it's safe to ignore
the error.
- [x] Remove non-POSIX `-s` option from `patch` call
- [x] Add `-N` option to `patch`
- [x] Ignore error status when `patch` returns 1 due to `-N`
- [x] Add tests for applying a patch twice and applying a bad patch
- [x] Tweak `spack.util.executable` so that it saves the error that
*would have been* raised with `fail_on_error=True`. This lets
us easily re-raise it.
Co-authored-by: Greg Becker <becker33@llnl.gov>
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* relocate: call install_name_tool less
* zstd: fix race condition
Multiple times on my mac, trying to install in parallel led to failures
from multiple tasks trying to simultaneously create `$PREFIX/lib`.
* PackageMeta: simplify callback flush
* Relocate: use spack.platforms instead of platform
* Relocate: code improvements
* fix zstd
* Automatically fix rpaths for packages on macOS
* Only change library IDs when the path is already in the rpath
This restores the hardcoded library path for GCC.
* Delete nonexistent rpaths and add more testing
* Relocate: Allow @executable_path and @loader_path
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* downgrade_docutils_version
* invalid version
* Update requirements.txt
* Improve spelling and shorten the reference link
* Update spack.yaml
* update version requirement
* update version to maximum of 0.16
Co-authored-by: bernhardkaindl <43588962+bernhardkaindl@users.noreply.github.com>
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* Fix ruby dependent extensions.
* Added Kerilk as maintainer.
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This reverts commit fcac95b0654a84151ad51a9123f74e8cdfcf8d26.
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Currently Spack keeps track of the origin in the code of any
modification to the environment variables. This is very slow
and enabled unconditionally even in code paths where the
origin of the modification is never queried.
The only place where we inspect the origins of environment
modifications is before we start a build, If there's an override
of the type `e.set(...)` after incremental changes like
`e.append_path(..)`, which is a "suspicious" change.
This is very rare though.
If an override like this ever happens, it might mean a package is
broken. If that leads to build errors, we can just ask the user to run
`spack -d install ...` and check the warnings issued by Spack to find
the origins of the problem.
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It can be frustrating to successfully run `spack test run --alias <name>` only to find you cannot get the results because you already use `<name>` in some previous stand-alone test execution. This PR prevents that from happening.
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fixes #26718
A virtual package may or may not have a version, but it
never has more than one. Previously we were missing a rule
for that.
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context manager (#26700)
Using the Spec.constrain method doesn't work since it might
trigger a repository lookup which could break our directives
and triggers a circular import error.
To fix that we introduce a function to merge abstract anonymous
specs, based only on package names, which does not perform any
lookup in the repository.
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Running `lsb_release` on Linux takes about 50ms because it is written in
Python. We do not use the output, so this change makes use not call it.
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The buildcache is now extracted in a temporary folder within the current store,
moved to its final place and relocated.
"spack clean -s" has been extended to also clean the temporary extraction directory.
Add hardlinks with absolute paths for libraries in the corge, garply and quux packages
to detect incorrect handling of hardlinks in tests.
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The `find` command was missing for the examples forcing colorized output. Without this (or another suitable) command, spack produces output that is not using any color. Thus, without the `find` command one does not see any difference between forced colorized and non-colorized output.
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* Make python 2 use 'from __future__ import absolute_import' to allow import spack.pkgkit
* Add Spack
* Improve ranges
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