build.yml

spack:
  init: ""                                                # command to load spack environment, e.g. module load spack,
                                                          # use spack/setup-env.sh if empty
  url: https://github.com/spack/spack.git                 # url to download spack if necessary
  branch: develop                                         # if downloaded, branch name to use
  externals: ""                                           # list of packages we try to find with spack external find
                                                          # In LMU we need to include slurm to this list.
  compiler: "gcc@12.2.0"                                  # desired compiler for spack
  root: "%HPCROOTDIR%/spack"                              # path to a spack install, will be downloaded to if not present
  user_cache_path: "%HPCROOTDIR%/spack_user_cache_path"   # spack puts data here when bootstrapping, leave empty to use home folder
  user_config_path: "%HPCROOTDIR%/spack_user_config_path" # spack puts data here when bootstrapping, leave empty to use home folder
  disable_local_config: false                             # if true, spack installs into spack source dir
  upstreams: ""                                           # path to an spack upstream repo, e.g. to use a pre-existing system wide spack repo

icon:
  # The command that will be used to build icon-nwp with spack
  build_cmd: "icon-nwp@%ICON.VERSION%% %SPACK.COMPILER%"
  # In LRZ we used the following command to point to a specific versio of openmpi:
  # build_cmd: "icon-nwp@%ICON.VERSION%% %SPACK.COMPILER% ^openmpi/amct7nx"
  # In LMU we used the following command to build the appropriate a version of openmpi works with slurm:
  # build_cmd: "icon-nwp@%ICON.VERSION%% %SPACK.COMPILER% ^openmpi+pmi+legacylaunchers schedulers=slurm fabrics=ucx ucx+dc+dm+ib_hw_tm+mlx5_dv+rc+rdmacm+thread_multiple+ud+verbs"
  # On DKRZ levante:
  # spack.compiler: "gcc@11.2.0/bcn7mbu"
  # spack.upstreams: "/sw/spack-levante/"
  # build_cmd: "icon-nwp@%ICON.VERSION%%gcc@11.2.0 source=dkrz_https ^openmpi@4.1.2%gcc@11.2.0 ^hdf5%gcc@11.2.0+fortran+hl"

  # The load_cmd will be used to load icon-nwp with spack
  # in most cases it can be the same value as the build_cmd, but for some cases where using dependencies with a
  # specific hash it doesn't work anymore. For those cases, the default value can be replaced by the build_cmd without
  # the dependencies with hash.
  load_cmd: build_cmd
  version: master # The latest release at the moment of creating this file was 2.6.5-nwp0

  launch_cmd: "srun"
  # for LRZ
  #launch_cmd: "srun -K --mpi=pmi2 --cpu-freq=HighM1 --kill-on-bad-exit=1 --cpu_bind=verbose,cores --distribution=block:block"

dwdicontools:
  build_cmd: "dwd-icon-tools% %SPACK.COMPILER%"
  load_cmd: build_cmd


python_environment:
  # Name of the virtual environment in the remote platform experiment folder
  folder_name: python_environment
  python_version: "3.8:"   # In spack notation use x: to indicate at least x
  requirements:
    # Because there's an issue with numba, for now we need to keep a specific version of numpy
    - numpy==1.23
    # Using enstools-compression to compress the outputs.
    - enstools-compression
    # We are using the f90nml library to manipulate name lists.
    - f90nml