Custom repos in benchpark

config/repos.yaml

@@ -0,0 +1,5 @@
+repos:
+  experiments: [../experiments, ../experiments/test]
+  systems: [../systems]
+  applications: [../repo]
+  packages: [../repo]

experiments/test/repo.yaml

@@ -0,0 +1,7 @@
+# Copyright 2023 Lawrence Livermore National Security, LLC and other
+# Benchpark Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: Apache-2.0
+repo:
+  namespace: test
+  subdirectory: ''

lib/benchpark/cmd/setup.py

@@ -12,6 +12,7 @@
 
 import ruamel.yaml as yaml
 
+import benchpark.config
 import benchpark.paths
 from benchpark.debug import debug_print
 from benchpark.runtime import RuntimeResources
@@ -203,6 +204,8 @@ def include_fn(fname):
         experiments_root, upstream=RuntimeResources(benchpark.paths.benchpark_home)
     )
 
+    repos_cfg = benchpark.config.configuration().repos
+
     pkg_str = ""
     if pkg_manager == "spack":
         spack_build_stage = experiments_root / "builds"
@@ -212,14 +215,18 @@ def include_fn(fname):
             site_repos = (
                 per_workspace_setup.spack_location / "etc" / "spack" / "repos.yaml"
             )
+            repos = {}
+            for repo_dir in reversed(repos_cfg.packages):
+                repo_dir = repos_cfg.resolve_path(repo_dir)
+                with open(repo_dir / "repo.yaml", "r") as f:
+                    repo_data = yaml.safe_load(f)
+                    namespace = repo_data["repo"]["namespace"]
+                    repos[namespace] = str(repo_dir)
+            repos["builtin"] = (
+                f"{per_workspace_setup.pkgs_location}/repos/spack_repo/builtin/"
+            )
             with open(site_repos, "w") as f:
-                f.write(
-                    f"""\
-repos::
-  benchpark: {source_dir}/repo
-  builtin: {per_workspace_setup.pkgs_location}/repos/spack_repo/builtin/
-"""
-                )
+                yaml.dump({"repos:": repos}, f, default_flow_style=False)
             spack(
                 f"config --scope=site add \"config:build_stage:['{spack_build_stage}']\""
             )
@@ -232,7 +239,9 @@ def include_fn(fname):
 
     ramble, first_time_ramble = per_workspace_setup.ramble_first_time_setup()
     if first_time_ramble:
-        ramble(f"repo add --scope=site {source_dir}/repo")
+        for repo_dir in reversed(repos_cfg.applications):
+            repo_dir = repos_cfg.resolve_path(repo_dir)
+            ramble(f"repo add --scope=site {repo_dir}")
         ramble('config --scope=site add "config:disable_progress_bar:true"')
         ramble(f"repo add -t modifiers --scope=site {source_dir}/modifiers")
         ramble("config --scope=site add \"config:spack:global:args:'-d'\"")

lib/benchpark/config.py

@@ -0,0 +1,118 @@
+# Copyright 2023 Lawrence Livermore National Security, LLC and other
+# Benchpark Project Developers. See the top-level COPYRIGHT file for details.
+#
+# Copyright 2022-2024 The Ramble Authors
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import pathlib
+
+import yaml
+
+import benchpark.paths
+
+
+class RequiredClassAttr:
+    def __init__(self, name):
+        self.name = name
+
+    def __get__(self, obj, owner):
+        raise NotImplementedError(
+            f"{owner.__name__} must define class attribute '{self.name}'"
+        )
+
+
+class ConfigSection:
+    def __init__(self, data, path):
+        self.data = data
+        self.path = pathlib.Path(path)
+
+    filename = RequiredClassAttr("filename")
+    name = RequiredClassAttr("name")
+
+    @classmethod
+    def try_load(cls, cfg_dir):
+        cfg_path = pathlib.Path(cfg_dir) / cls.filename
+        if cfg_path.exists():
+            with open(cfg_path, "r") as f:
+                data = yaml.safe_load(f)
+                return cls(data[cls.name], cfg_path)
+
+    def resolve_path(self, value):
+        path = pathlib.Path(value)
+        if not path.is_absolute():
+            return (self.path.parents[0] / path).resolve()
+
+
+class PropertyDict:
+    def __getattr__(self, name):
+        val = self.data[name]
+        if isinstance(val, dict):
+            return PropertyDict(val)
+        return val
+
+
+class Repos(ConfigSection, PropertyDict):
+    filename = "repos.yaml"
+    name = "repos"
+
+
+_section_types = [Repos]
+
+
+class Configuration:
+    section_names = [st.name for st in _section_types]
+
+    def __init__(self, cfg_dir):
+        self.sections = {}
+        for st in _section_types:
+            attempt = st.try_load(cfg_dir)
+            if attempt:
+                self.sections[st.name] = attempt
+
+    def __getattr__(self, name):
+        if name in self.sections:
+            return self.sections[name]
+        elif name in Configuration.section_names:
+            raise Exception("This section is not present in this config")
+        else:
+            raise AttributeError("No such section")
+
+
+_unset = object()
+
+
+_user_input_cfg = _unset
+
+
+def determine_config():
+    """
+    Benchpark configs don't merge or override like Spack/Ramble. You
+    just point it at a directory and that's where all your config is.
+    """
+    if _user_input_cfg is _unset:
+        raise Exception("Internal error: config initialization")
+    elif _user_input_cfg:
+        if not _user_input_cfg.exists():
+            raise Exception(f"Specific config dir does not exist: {_user_input_cfg}")
+        else:
+            return Configuration(_user_input_cfg)
+
+    possible_dirs = [
+        benchpark.paths.invocation_working_dir / "benchpark-config",
+        benchpark.paths.benchpark_root / "config",
+    ]
+    for pd in possible_dirs:
+        if pd.exists():
+            return Configuration(pd)
+
+
+_configuration = None
+
+
+def configuration():
+    global _configuration
+    if not _configuration:
+        _configuration = determine_config()
+
+    return _configuration

lib/benchpark/paths.py

@@ -35,3 +35,5 @@ def _source_location() -> pathlib.Path:
 hardware_descriptions = benchpark_root / "systems" / "all_hardware_descriptions"
 checkout_versions = benchpark_root / "checkout-versions.yaml"
 remote_urls = benchpark_root / "remote-urls.yaml"
+
+invocation_working_dir = None

lib/benchpark/repo.py

@@ -9,6 +9,7 @@
 import sys
 from enum import Enum
 
+import benchpark.config
 import benchpark.paths
 
 # isort: off
@@ -74,34 +75,25 @@ def override_ramble_hardcoded_globals():
     ramble.language.language_base.namespaces = _old[2]
 
 
-# Experiments
-def _exprs():
-    """Get the singleton RepoPath instance for Ramble.
-
-    Create a RepoPath, add it to sys.meta_path, and return it.
-
-    TODO: consider not making this a singleton.
-    """
-    experiments_repo = benchpark.paths.benchpark_root / "experiments"
-    return _add_repo(experiments_repo, ObjectTypes.experiments)
-
-
-def _add_repo(repo_dir, obj_type):
-    if repo_dir.exists():
-        repo_dirs = [str(repo_dir)]
-    else:
-        raise ValueError(f"Repo dir does not exist: {repo_dir}")
+def _add_repo(repo_dirs, obj_type):
+    repo_dirs = [str(x) for x in repo_dirs]
 
     with override_ramble_hardcoded_globals():
         path = ramble.repository.RepoPath(*repo_dirs, object_type=obj_type)
     sys.meta_path.append(path)
     return path
 
 
-# Systems
+def _exprs():
+    cfg = benchpark.config.configuration().repos
+    exp_repos = [cfg.resolve_path(x) for x in cfg.experiments]
+    return _add_repo(exp_repos, ObjectTypes.experiments)
+
+
 def _systems():
-    systems_repo = benchpark.paths.benchpark_root / "systems"
-    return _add_repo(systems_repo, ObjectTypes.systems)
+    cfg = benchpark.config.configuration().repos
+    sys_repos = [cfg.resolve_path(x) for x in cfg.systems]
+    return _add_repo(sys_repos, ObjectTypes.systems)
 
 
 paths = {

lib/main.py

@@ -7,48 +7,23 @@
 
 import argparse
 import inspect
+import os
+import pathlib
 import shlex
 import subprocess
 import sys
 
 import yaml
 
 __version__ = "0.1.0"
-if "-V" in sys.argv or "--version" in sys.argv:
-    print(__version__)
-    exit()
-helpstr = """usage: main.py [-h] [-V] {tags,system,experiment,setup,unit-test,audit,mirror,info,show-build,list,bootstrap,analyze,configure} ...
-
-Benchpark
-
-options:
-  -h, --help            show this help message and exit
-  -V, --version         show version number and exit
-
-Subcommands:
-  {tags,system,experiment,setup,unit-test,audit,mirror,info,show-build,list,bootstrap,analyze,configure}
-    tags                Tags in Benchpark experiments
-    system              Initialize a system config
-    experiment          Interact with experiments
-    setup               Set up an experiment and prepare it to build/run
-    unit-test           Run benchpark unit tests
-    audit               Look for problems in System/Experiment repos
-    mirror              Copy a benchpark workspace
-    info                Get information about Systems and Experiments
-    show-build          Show how spack built a benchmark
-    list                List experiments, systems, benchmarks, and modifiers
-    bootstrap           Bootstrap benchpark or update an existing bootstrap
-    analyze             Perform pre-defined analysis on the performance data (caliper files) after 'ramble on'
-    configure           Configure options relating to the Benchpark environment
-    """
-if len(sys.argv) == 1 or "-h" == sys.argv[1] or "--help" == sys.argv[1]:
-    print(helpstr)
-    exit()
 
+import benchpark.config
 import benchpark.paths  # noqa: E402
 from benchpark.runtime import RuntimeResources  # noqa: E402
 
-if sys.argv[1] == "configure":
+# TODO: because this is not integrated as a subcommand, no help is
+# auto-generated for it
+if len(sys.argv) > 1 and sys.argv[1] == "configure":
     import benchpark.cmd.configure  # noqa: E402
 
     parser = argparse.ArgumentParser(description="Benchpark")
@@ -86,13 +61,22 @@
 
 
 def main():
+    benchpark.paths.invocation_working_dir = (
+        pathlib.Path(os.getcwd()).absolute().resolve()
+    )
+
     if sys.version_info[:2] < (3, 8):
         raise Exception("Benchpark requires at least python 3.8+.")
 
     parser = argparse.ArgumentParser(description="Benchpark")
     parser.add_argument(
         "-V", "--version", action="store_true", help="show version number and exit"
     )
+    parser.add_argument(
+        "-C",
+        "--config",
+        help="use config related to system/experiment/workspace generation",
+    )
 
     subparsers = parser.add_subparsers(title="Subcommands", dest="subcommand")
 
@@ -106,6 +90,14 @@ def main():
     if no_args:
         parser.print_help()
         return 1
+    if args.version:
+        print(__version__)
+        return 0
+
+    if args.config:
+        benchpark.config._user_input_cfg = pathlib.path(args.config)
+    else:
+        benchpark.config._user_input_cfg = None
 
     exit_code = 0