shadowdaoandClaude Sonnet 5.5
a476bb5352
Dockerfile: Go stages pinned to $BUILDPLATFORM, GOOS/GOARCH from TARGETOS/ TARGETARCH (CGO already off); amd64 rootfs/binary byte-identical to before. Workflow: one trusted x86 job, amd64 + arm64 pushed untagged by digest to both registries, arm64 continue-on-error, tag assembled by scripts/assemble-multiarch-index.sh (arm64 only from this run's successful step; otherwise amd64-only). Offline test + local e2e rehearsal script. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0185ukXjXyosSkunDsdWz3mb
165 lines
7.4 KiB
Python
165 lines
7.4 KiB
Python
#!/usr/bin/env python3
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"""Offline tests for scripts/assemble-multiarch-index.sh (multi-arch index assembly).
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The script is the publish-side half of the multi-arch pipeline: it receives the
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amd64 and (optional) arm64 digests that the build steps pushed BY DIGEST and
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turns them into the tag(s). A stub stands in for `docker buildx imagetools`
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(env IMAGETOOLS), records every `create` call and answers `inspect` from a
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table, so no registry or Docker is needed.
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Held invariants:
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- arm64 failure / cancel / skip -> amd64-only create, exit 0 (tag still published)
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- a STALE arm64 digest is never attached unless this run's arm64 outcome is success
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- bad/missing amd64 digest, or amd64 that is not linux/amd64 -> exit 1, NO create
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- an arm64 digest that does not inspect as arm64 is dropped (amd64-only)
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- every tag x every repo is created; sources are <repo>@<digest> in that repo
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Running: python3 scripts/test-assemble-multiarch-index.py
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"""
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import json
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import os
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import stat
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import subprocess
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import sys
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import tempfile
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import unittest
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HERE = os.path.dirname(os.path.abspath(__file__))
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SCRIPT = os.path.join(HERE, 'assemble-multiarch-index.sh')
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A = 'sha256:' + 'a' * 64
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B = 'sha256:' + 'b' * 64
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C = 'sha256:' + 'c' * 64
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STUB = r'''#!/usr/bin/env python3
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import json, os, sys
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a = sys.argv[1:]
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log = os.environ['STUB_LOG']
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table = json.loads(os.environ['STUB_ARCH'])
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if a[0] == 'inspect':
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ref = [x for x in a[1:] if '@sha256:' in x][0]
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arch = table.get(ref.split('@', 1)[1])
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if arch is None:
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sys.exit(1)
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print(json.dumps({'architecture': arch, 'os': 'linux'}))
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elif a[0] == 'create':
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open(log, 'a').write(json.dumps(a[1:]) + '\n')
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else:
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sys.exit(2)
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'''
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class AssembleTest(unittest.TestCase):
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def setUp(self):
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self.tmp = tempfile.TemporaryDirectory()
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self.stub = os.path.join(self.tmp.name, 'stub')
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with open(self.stub, 'w') as f:
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f.write(STUB)
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os.chmod(self.stub, os.stat(self.stub).st_mode | stat.S_IEXEC)
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self.log = os.path.join(self.tmp.name, 'creates.log')
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def tearDown(self):
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self.tmp.cleanup()
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def run_script(self, args, arch=None):
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env = dict(os.environ, IMAGETOOLS=self.stub, STUB_LOG=self.log,
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STUB_ARCH=json.dumps(arch if arch is not None else {A: 'amd64', B: 'arm64'}))
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p = subprocess.run(['bash', SCRIPT] + args, env=env, capture_output=True, text=True)
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creates = []
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if os.path.exists(self.log):
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creates = [json.loads(l) for l in open(self.log)]
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return p, creates
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BASE = ['--repo', 'r.example/o/img', '--tag', 'latest']
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def test_both_platforms(self):
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p, c = self.run_script(['--amd64', A, '--arm64', B, '--arm64-outcome', 'success'] + self.BASE)
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self.assertEqual(p.returncode, 0, p.stderr)
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self.assertEqual(c, [['-t', 'r.example/o/img:latest', 'r.example/o/img@' + A, 'r.example/o/img@' + B]])
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self.assertIn('platforms=linux/amd64,linux/arm64', p.stdout)
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def test_arm64_failure_is_amd64_only_even_with_a_digest(self):
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# A stale digest (e.g. left over from an earlier run) must not be attached.
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for outcome in ('failure', 'cancelled', 'skipped', ''):
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if os.path.exists(self.log):
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os.remove(self.log)
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p, c = self.run_script(['--amd64', A, '--arm64', B, '--arm64-outcome', outcome] + self.BASE)
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self.assertEqual(p.returncode, 0, p.stderr)
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self.assertEqual(c, [['-t', 'r.example/o/img:latest', 'r.example/o/img@' + A]], outcome)
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self.assertIn('::warning::', p.stdout)
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self.assertIn('platforms=linux/amd64\n', p.stdout)
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def test_no_arm64_args_is_amd64_only(self):
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p, c = self.run_script(['--amd64', A] + self.BASE)
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self.assertEqual(p.returncode, 0, p.stderr)
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self.assertEqual(c, [['-t', 'r.example/o/img:latest', 'r.example/o/img@' + A]])
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def test_success_with_empty_or_malformed_arm64_digest(self):
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for bad in ('', 'sha256:short', 'latest'):
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if os.path.exists(self.log):
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os.remove(self.log)
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p, c = self.run_script(['--amd64', A, '--arm64', bad, '--arm64-outcome', 'success'] + self.BASE)
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self.assertEqual(p.returncode, 0, p.stderr)
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self.assertEqual(len(c[0]), 3, bad) # -t, ref, one source
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def test_arm64_digest_that_is_not_arm64_is_dropped(self):
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p, c = self.run_script(['--amd64', A, '--arm64', C, '--arm64-outcome', 'success'] + self.BASE,
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arch={A: 'amd64', C: 'amd64'})
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self.assertEqual(p.returncode, 0, p.stderr)
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self.assertEqual(c, [['-t', 'r.example/o/img:latest', 'r.example/o/img@' + A]])
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def test_arm64_equal_to_amd64_is_dropped(self):
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p, c = self.run_script(['--amd64', A, '--arm64', A, '--arm64-outcome', 'success'] + self.BASE)
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self.assertEqual(p.returncode, 0, p.stderr)
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self.assertEqual(len(c[0]), 3)
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def test_amd64_problems_publish_nothing(self):
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for amd in ('', 'nope', B): # B inspects as arm64
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p, c = self.run_script(['--amd64', amd, '--arm64', B, '--arm64-outcome', 'success'] + self.BASE)
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self.assertNotEqual(p.returncode, 0, amd)
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self.assertEqual(c, [], amd)
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p, c = self.run_script(['--amd64', C, '--arm64-outcome', 'failure'] + self.BASE, arch={})
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self.assertNotEqual(p.returncode, 0) # not inspectable
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self.assertEqual(c, [])
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def test_all_tags_in_all_repos(self):
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p, c = self.run_script(['--amd64', A, '--arm64', B, '--arm64-outcome', 'success',
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'--repo', 'gitea.example/o/img', '--repo', 'ghcr.io/o/img',
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'--tag', 'latest', '--tag', '1.2.3', '--tag', 'abc123'])
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self.assertEqual(p.returncode, 0, p.stderr)
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self.assertEqual(len(c), 2)
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self.assertEqual(c[0], ['-t', 'gitea.example/o/img:latest', '-t', 'gitea.example/o/img:1.2.3',
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'-t', 'gitea.example/o/img:abc123',
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'gitea.example/o/img@' + A, 'gitea.example/o/img@' + B])
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self.assertEqual(c[1][-2:], ['ghcr.io/o/img@' + A, 'ghcr.io/o/img@' + B])
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def test_requires_repo_and_tag_and_rejects_unknown_args(self):
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for args in (['--amd64', A, '--tag', 't'], ['--amd64', A, '--repo', 'r'], ['--bogus', 'x']):
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p, c = self.run_script(args)
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self.assertNotEqual(p.returncode, 0)
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self.assertEqual(c, [])
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class WorkflowWiring(unittest.TestCase):
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"""The workflow must keep the properties the script relies on."""
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def setUp(self):
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self.wf = open(os.path.join(HERE, '..', '.gitea', 'workflows', 'build-push-coraza.yaml')).read()
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def test_arm64_step_is_non_fatal_and_digest_comes_from_step_output(self):
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self.assertIn('continue-on-error: true', self.wf)
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self.assertIn('steps.arm64.outputs.digest', self.wf)
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self.assertIn('steps.arm64.outcome', self.wf)
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self.assertIn('assemble-multiarch-index.sh', self.wf)
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def test_both_builds_push_by_digest_untagged(self):
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self.assertEqual(self.wf.count('push-by-digest=true'), 2)
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self.assertNotIn('tags:', self.wf.replace('# tags:', ''))
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def test_no_tag_is_pushed_by_a_build_step(self):
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# tags exist only via imagetools create (the assemble script)
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self.assertNotIn('ghcr.io/shadowdao/coraza-spoa:latest\n', self.wf.split('assemble-multiarch-index.sh')[0])
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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