mirror of
https://github.com/edgelesssys/constellation.git
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55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
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"""A rule to create an RPM mirror from a lockfile."""
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def _impl(ctx):
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contents = ctx.read(ctx.path(ctx.attr.lockfile))
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lines = contents.split("\n")
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package_hashes = {}
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for line in lines:
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components = line.split(" ")
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if len(components) != 2:
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continue
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package_hashes[components[1]] = components[0]
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for package in sorted(package_hashes.keys()):
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ctx.download(
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"%s%s" % (ctx.attr._cas_base_url, package_hashes[package]),
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output = package,
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sha256 = package_hashes[package],
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)
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ctx.execute([
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ctx.path(ctx.attr._createrepo_c),
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"--revision",
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"0",
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"--set-timestamp-to-revision",
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".",
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])
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ctx.template(
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"BUILD.bazel",
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ctx.attr._build_tpl,
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)
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rpm_repository = repository_rule(
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implementation = _impl,
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attrs = {
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"lockfile": attr.label(
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mandatory = True,
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allow_single_file = True,
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doc = "The lockfile (SHA256SUMS) to use.",
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),
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"_build_tpl": attr.label(
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default = Label(":BUILD.bazel.tpl"),
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allow_single_file = True,
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),
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"_cas_base_url": attr.string(
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default = "https://cdn.confidential.cloud/constellation/cas/sha256/",
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doc = "The base URL for the CAS.",
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),
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"_createrepo_c": attr.label(
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default = Label("@createrepo_c//:bin/createrepo_c"),
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executable = True,
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cfg = "exec",
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allow_single_file = True,
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doc = "The createrepo_c tool.",
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),
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},
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)
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