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54 lines
1.5 KiB
Python
Executable File
54 lines
1.5 KiB
Python
Executable File
#!/usr/bin/python3
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"""
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Usage: snap-seed-add-providers $SEED_DIR
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Check the snaps referenced by the $SEED_DIR/seed.yaml and print any
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missing providers.
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"""
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import contextlib
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import pathlib
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import subprocess
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import sys
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import tempfile
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import yaml
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@contextlib.contextmanager
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def mounted(thing, target):
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subprocess.run(["mount", "-r", thing, target], check=True)
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try:
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yield
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finally:
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subprocess.run(["umount", target], check=True)
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def main(argv):
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seed_dir = pathlib.Path(argv[0])
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assert seed_dir.is_dir()
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with seed_dir.joinpath("seed.yaml").open() as fp:
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seed = yaml.safe_load(fp)
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snap_files = set()
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snap_names = set()
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for snap_info in seed["snaps"]:
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snap_files.add(snap_info["file"])
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snap_names.add(snap_info["name"])
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tempdir = pathlib.Path(tempfile.mkdtemp())
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for snap_file in snap_files:
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snap = seed_dir.joinpath("snaps", snap_file)
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with mounted(snap, tempdir):
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with tempdir.joinpath("meta/snap.yaml").open() as fp:
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metadata = yaml.safe_load(fp)
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for plug_name, plug_info in metadata.get("plugs", {}).items():
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if plug_info.get("interface") == "content":
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default_provider = plug_info.get("default-provider")
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if default_provider and default_provider not in snap_names:
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print(default_provider)
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snap_names.add(default_provider)
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if __name__ == "__main__":
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main(sys.argv[1:])
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