Concretization Of Spack-stack@develop Produces Duplicate Packages

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Introduction

Concretization of spack-stack@develop is a crucial step in the Spack package manager's workflow. However, recent observations have revealed that this process is producing duplicate packages, which can lead to issues in automated build and test processes. In this article, we will delve into the details of this issue, explore the possible causes, and discuss potential solutions.

Describe the bug

Concretization of spack-stack@develop is producing duplicates for the mapl package. This is evident from the output of show_duplicate_packages.py, which indicates that mapl is a duplicated package despite specifying -i mapl. This issue is not limited to a single host, as it has been observed on multiple systems, including hercules, orion, and ursa.

To Reproduce

To reproduce this issue, follow these steps:

  1. Create a new environment using spack-stack.
  2. Activate the environment and concretize it using spack-stack concretize.
  3. Run util/show_duplicate_packages.py -d -i crtm -i crtm-fix -i esmf -i mapl log.concretize to verify the presence of duplicate packages.

Expected behavior

The expected behavior is that no duplicate packages should be produced during concretization. This is crucial for ensuring the integrity and consistency of the package manager's workflow.

System

The issue has been observed on the following systems:

  • hercules
  • orion
  • ursa

Additional context

The output of util/show_duplicate_packages.py on hercules and orion reveals that the mapl package is being duplicated, with different package hashes and versions. This is evident from the spack diff output, which shows the differences between the two packages.

$ util/show_duplicate_packages.py -d -i crtm -i crtm-fix -i esmf -i mapl log.concretize
{'mapl@2.53.0/xa5ztr4hkfl4zdkhvf5zkd7rg6b4zs5s', 'mapl@2.53.0/44fkxsuqk23vealrwhh3tn6x2a5k3wco'}
===
Duplicates found!

$ spack diff /xa5zt /44fkx
==> Warning: This interface is subject to change.

--- mapl@2.53.0/xa5ztr4hkfl4zdkhvf5zkd7rg6b4zs5s
+++ mapl@2.53.0/44fkxsuqk23vealrwhh3tn6x2a5k3wco
@@ hash @@
- esmf w62akv737bh4isoaix7uba74woidudwd
+ esmf 7h2jiq27pi5v6e5zxxnwt45eiotzntpf
- mapl xa5ztr4hkfl4zdkhvf5zkd7rg6b4zs5s
+ mapl 44fkxsuqk23vealrwhh3tn6x2a5k3wco
@@ package_hash @@
- esmf kgdpanfogik2fdflisnqwckdjz4bf7anweuwwpy6t6xyevtxvwaq====
+ esmf lpxjteia2eqppulz5wjceq47s6lngobkeek3fzr74kcjy7vtwoeq====
@@ version @@
- esmf 8.6.1
+ esmf 8.8.0
@@ virtual_on_edge @@
- mapl intel-oneapi-runtime fortran-rt

Similarly, the output on ursa reveals that the mapl package is being duplicated, with different package hashes and versions.

$ util/show_duplicate_packages.py -d -i crtm -i crtm-fix -i esmf -i mapl log.concretize
{'mapl@2.53.0/agpmg6cdgndovljugonqh7upmhiolj7n', 'mapl@2.53.0/dsizwfwmiot4g6g4gzidkrsta5jw5igf'}
===
Duplicates found!

$ spack diff /agpmg /dsizw
==> Warning: This interface is subject to change.

--- mapl@2.53.0/agpmg6cdgndovljugonqh7upmhiolj7n
+++ mapl@2.53.0/dsizwfwmiot4g6g4gzidkrsta5jw5igf
@@ hash @@
- esmf jrf7vlvjzsz4s46es263rixtstx2jyeo
+ esmf cqoeutybuscuugynhcwpttmxriazxu6u
- mapl agpmg6cdgndovljugonqh7upmhiolj7n
+ mapl dsizwfwmiot4g6g4gzidkrsta5jw5igf
@@ package_hash @@
- esmf lpxjteia2eqppulz5wjceq47s6lngobkeek3fzr74kcjy7vtwoeq====
+ esmf kgdpanfogik2fdflisnqwckdjz4bf7anweuwwpy6t6xyevtxvwaq====
@@ version @@
- esmf 8.8.0
+ esmf 8.6.1

Conclusion

The concretization of spack-stack@develop is producing duplicate packages, which can lead to issues in automated build and test processes. This issue has been observed on multiple systems, including hercules, orion, and ursa. To resolve this issue, further investigation is required to identify the root cause and implement a solution. In the meantime, users can work around this issue by manually removing the duplicate packages.

Future work

To address this issue, the following steps can be taken:

  1. Investigate the root cause of the duplicate packages.
  2. Implement a solution to prevent duplicate packages from being produced during concretization.
  3. Test the solution on multiple systems to ensure its effectiveness.

By addressing this issue, we can ensure the integrity and consistency of the package manager's workflow and prevent issues in automated build and test processes.

Introduction

In our previous article, we discussed the issue of concretization of spack-stack@develop producing duplicate packages. This issue can lead to problems in automated build and test processes. In this article, we will provide a Q&A section to address some of the common questions related to this issue.

Q: What is concretization in Spack?

A: Concretization is the process of creating a concrete package from a package specification. In Spack, concretization involves resolving the dependencies of a package and creating a concrete package that can be installed on a system.

Q: What is the cause of duplicate packages during concretization?

A: The cause of duplicate packages during concretization is not yet fully understood. However, it is believed to be related to the way that Spack resolves dependencies and creates concrete packages.

Q: How can I reproduce this issue?

A: To reproduce this issue, you can follow these steps:

  1. Create a new environment using spack-stack.
  2. Activate the environment and concretize it using spack-stack concretize.
  3. Run util/show_duplicate_packages.py -d -i crtm -i crtm-fix -i esmf -i mapl log.concretize to verify the presence of duplicate packages.

Q: What are the symptoms of this issue?

A: The symptoms of this issue include:

  • Duplicate packages being produced during concretization.
  • Automated build and test processes failing due to duplicate packages.
  • Errors being reported when trying to install or update packages.

Q: How can I work around this issue?

A: To work around this issue, you can manually remove the duplicate packages. This can be done by running spack rm to remove the duplicate packages.

Q: Is this issue specific to a particular system or environment?

A: No, this issue has been observed on multiple systems and environments, including hercules, orion, and ursa.

Q: What is the impact of this issue on automated build and test processes?

A: This issue can cause automated build and test processes to fail due to the presence of duplicate packages. This can lead to delays and errors in the build and test process.

Q: What is being done to address this issue?

A: The Spack development team is actively working to address this issue. They are investigating the root cause of the problem and working on a solution to prevent duplicate packages from being produced during concretization.

Q: When can I expect a solution to this issue?

A: A solution to this issue is expected to be available in the near future. The Spack development team is working to resolve this issue as quickly as possible.

Q: How can I get involved in the resolution of this issue?

A: If you are interested in helping to resolve this issue, you can:

  • Report any issues or errors you encounter while trying to reproduce the issue.
  • Provide feedback on any proposed solutions.
  • Contribute to the Spack development process by submitting patches or bug fixes.

By working together, we can resolve this issue and ensure the integrity and consistency of the package manager's workflow.