test: Dump coredumps from journal in the integration test wrapper

Fixes #35277

.github/workflows/linter.yml

@@ -37,7 +37,7 @@ jobs:
           VALIDATE_GITHUB_ACTIONS: true
 
       - name: Check that tabs are not used in Python code
-        run: sh -c '! git grep -P "\\t" -- src/ukify/ukify.py'
+        run: sh -c '! git grep -P "\\t" -- src/ukify/ukify.py test/integration-test-wrapper.py'
 
       - name: Install ruff and mypy
         run: |
@@ -47,14 +47,14 @@ jobs:
       - name: Run mypy
         run: |
           python3 -m mypy --version
-          python3 -m mypy src/ukify/ukify.py
+          python3 -m mypy src/ukify/ukify.py test/integration-test-wrapper.py
 
       - name: Run ruff check
         run: |
           ruff --version
-          ruff check src/ukify/ukify.py
+          ruff check src/ukify/ukify.py test/integration-test-wrapper.py
 
       - name: Run ruff format
         run: |
           ruff --version
-          ruff format --check src/ukify/ukify.py
+          ruff format --check src/ukify/ukify.py test/integration-test-wrapper.py

man/coredumpctl.xml

@@ -391,7 +391,7 @@
     <title>Exit status</title>
     <para>On success, 0 is returned; otherwise, a non-zero failure
     code is returned. Not finding any matching core dumps is treated as
-    failure.
+    failure unless JSON output is enabled.
     </para>
   </refsect1>
 

src/coredump/coredumpctl.c

@@ -965,7 +965,9 @@ static int dump_list(int argc, char **argv, void *userdata) {
                 if (!arg_field && n_found <= 0) {
                         if (!arg_quiet)
                                 log_notice("No coredumps found.");
-                        return -ESRCH;
+
+                        if (!sd_json_format_enabled(arg_json_format_flags))
+                                return -ESRCH;
                 }
         }
 

test/integration-test-wrapper.py

@@ -1,20 +1,18 @@
 #!/usr/bin/python3
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-'''Test wrapper command for driving integration tests.
+"""Test wrapper command for driving integration tests."""
-'''
 
 import argparse
 import json
 import os
+import re
 import shlex
 import subprocess
 import sys
 import textwrap
-import re
 from pathlib import Path
 
-
 EMERGENCY_EXIT_DROPIN = """\
 [Unit]
 Wants=emergency-exit.service
@@ -42,16 +40,20 @@ def dump_coredumps(args: argparse.Namespace, journal_file: Path) -> bool:
     #   systemd-notify - intermittent (and intentional) SIGABRT caused by TEST-59
     #   test-execute - intentional coredump in TEST-02
     #   test(-usr)?-dump - intentional coredumps from systemd-coredump tests in TEST-74
-    exclude_regex = re.compile("/(bash|sleep|systemd-notify|test-execute|test(-usr)?-dump)")
+    exclude_regex = re.compile('/(bash|sleep|systemd-notify|test-execute|test(-usr)?-dump)')
 
     coredumps = json.loads(
         subprocess.run(
             [
                 args.mkosi,
-                "--directory", os.fspath(args.meson_source_dir),
+                '--directory',
-                "--forward-journal", journal_file,
+                os.fspath(args.meson_source_dir),
-                "coredumpctl",
+                '--extra-search-path',
-                "--json=short",
+                os.fspath(args.meson_build_dir),
+                '--forward-journal',
+                journal_file,
+                'coredumpctl',
+                '--json=short',
             ],
             check=True,
             stdout=subprocess.PIPE,
@@ -59,7 +61,7 @@ def dump_coredumps(args: argparse.Namespace, journal_file: Path) -> bool:
         ).stdout
     )
 
-    coredumps = [coredump for coredump in coredumps if not exclude_regex.search(coredump["exe"])]
+    coredumps = [coredump for coredump in coredumps if not exclude_regex.search(coredump['exe'])]
 
     if not coredumps:
         return False
@@ -70,11 +72,13 @@ def dump_coredumps(args: argparse.Namespace, journal_file: Path) -> bool:
         subprocess.run(
             [
                 args.mkosi,
-                "--directory", os.fspath(args.meson_source_dir),
+                '--directory',
-                "--forward-journal", journal_file,
+                os.fspath(args.meson_source_dir),
-                "coredumpctl",
+                '--forward-journal',
-                "info",
+                journal_file,
-                coredump["exe"],
+                'coredumpctl',
+                'info',
+                coredump['exe'],
             ],
             check=True,
         )
@@ -84,7 +88,7 @@ def dump_coredumps(args: argparse.Namespace, journal_file: Path) -> bool:
     return True
 
 
-def main():
+def main() -> None:
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument('--mkosi', required=True)
     parser.add_argument('--meson-source-dir', required=True, type=Path)
@@ -96,34 +100,43 @@ def main():
     parser.add_argument('--slow', action=argparse.BooleanOptionalAction)
     parser.add_argument('--vm', action=argparse.BooleanOptionalAction)
     parser.add_argument('--exit-code', required=True, type=int)
-    parser.add_argument('mkosi_args', nargs="*")
+    parser.add_argument('mkosi_args', nargs='*')
     args = parser.parse_args()
 
-    if not bool(int(os.getenv("SYSTEMD_INTEGRATION_TESTS", "0"))):
+    if not bool(int(os.getenv('SYSTEMD_INTEGRATION_TESTS', '0'))):
-        print(f"SYSTEMD_INTEGRATION_TESTS=1 not found in environment, skipping {args.name}", file=sys.stderr)
+        print(
+            f'SYSTEMD_INTEGRATION_TESTS=1 not found in environment, skipping {args.name}',
+            file=sys.stderr,
+        )
         exit(77)
 
-    if args.slow and not bool(int(os.getenv("SYSTEMD_SLOW_TESTS", "0"))):
+    if args.slow and not bool(int(os.getenv('SYSTEMD_SLOW_TESTS', '0'))):
-        print(f"SYSTEMD_SLOW_TESTS=1 not found in environment, skipping {args.name}", file=sys.stderr)
+        print(
+            f'SYSTEMD_SLOW_TESTS=1 not found in environment, skipping {args.name}',
+            file=sys.stderr,
+        )
         exit(77)
 
-    if args.vm and bool(int(os.getenv("TEST_NO_QEMU", "0"))):
+    if args.vm and bool(int(os.getenv('TEST_NO_QEMU', '0'))):
-        print(f"TEST_NO_QEMU=1, skipping {args.name}", file=sys.stderr)
+        print(f'TEST_NO_QEMU=1, skipping {args.name}', file=sys.stderr)
         exit(77)
 
-    for s in os.getenv("TEST_SKIP", "").split():
+    for s in os.getenv('TEST_SKIP', '').split():
         if s in args.name:
-            print(f"Skipping {args.name} due to TEST_SKIP", file=sys.stderr)
+            print(f'Skipping {args.name} due to TEST_SKIP', file=sys.stderr)
             exit(77)
 
-    keep_journal = os.getenv("TEST_SAVE_JOURNAL", "fail")
+    keep_journal = os.getenv('TEST_SAVE_JOURNAL', 'fail')
-    shell = bool(int(os.getenv("TEST_SHELL", "0")))
+    shell = bool(int(os.getenv('TEST_SHELL', '0')))
 
     if shell and not sys.stderr.isatty():
-        print("--interactive must be passed to meson test to use TEST_SHELL=1", file=sys.stderr)
+        print(
+            '--interactive must be passed to meson test to use TEST_SHELL=1',
+            file=sys.stderr,
+        )
         exit(1)
 
-    name = args.name + (f"-{i}" if (i := os.getenv("MESON_TEST_ITERATION")) else "")
+    name = args.name + (f'-{i}' if (i := os.getenv('MESON_TEST_ITERATION')) else '')
 
     dropin = textwrap.dedent(
         """\
@@ -141,7 +154,7 @@ def main():
             """
         )
 
-    if os.getenv("TEST_MATCH_SUBTEST"):
+    if os.getenv('TEST_MATCH_SUBTEST'):
         dropin += textwrap.dedent(
             f"""
             [Service]
@@ -149,7 +162,7 @@ def main():
             """
         )
 
-    if os.getenv("TEST_MATCH_TESTCASE"):
+    if os.getenv('TEST_MATCH_TESTCASE'):
         dropin += textwrap.dedent(
             f"""
             [Service]
@@ -157,7 +170,7 @@ def main():
             """
         )
 
-    journal_file = (args.meson_build_dir / (f"test/journal/{name}.journal")).absolute()
+    journal_file = (args.meson_build_dir / (f'test/journal/{name}.journal')).absolute()
     journal_file.unlink(missing_ok=True)
 
     if not sys.stderr.isatty():
@@ -177,47 +190,55 @@ def main():
 
     cmd = [
         args.mkosi,
-        '--directory', os.fspath(args.meson_source_dir),
+        '--directory',
-        '--output-dir', os.fspath(args.meson_build_dir / 'mkosi.output'),
+        os.fspath(args.meson_source_dir),
-        '--extra-search-path', os.fspath(args.meson_build_dir),
+        '--output-dir',
-        '--machine', name,
+        os.fspath(args.meson_build_dir / 'mkosi.output'),
+        '--extra-search-path',
+        os.fspath(args.meson_build_dir),
+        '--machine',
+        name,
         '--ephemeral',
         *(['--forward-journal', journal_file] if journal_file else []),
         *(
             [
                 '--credential',
-                f"systemd.extra-unit.emergency-exit.service={shlex.quote(EMERGENCY_EXIT_SERVICE)}",
+                f'systemd.extra-unit.emergency-exit.service={shlex.quote(EMERGENCY_EXIT_SERVICE)}',
                 '--credential',
-                f"systemd.unit-dropin.emergency.target={shlex.quote(EMERGENCY_EXIT_DROPIN)}",
+                f'systemd.unit-dropin.emergency.target={shlex.quote(EMERGENCY_EXIT_DROPIN)}',
             ]
             if not sys.stderr.isatty()
             else []
         ),
         '--credential',
-        f"systemd.unit-dropin.{args.unit}={shlex.quote(dropin)}",
+        f'systemd.unit-dropin.{args.unit}={shlex.quote(dropin)}',
         '--runtime-network=none',
         '--runtime-scratch=no',
         *args.mkosi_args,
-        '--qemu-firmware', args.firmware,
+        '--qemu-firmware',
-        *(['--qemu-kvm', 'no'] if int(os.getenv("TEST_NO_KVM", "0")) else []),
+        args.firmware,
+        *(['--qemu-kvm', 'no'] if int(os.getenv('TEST_NO_KVM', '0')) else []),
         '--kernel-command-line-extra',
-        ' '.join([
+        ' '.join(
-            'systemd.hostname=H',
+            [
-            f"SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/{args.name}.units:/usr/lib/systemd/tests/testdata/units:",
+                'systemd.hostname=H',
-            *([f"systemd.unit={args.unit}"] if not shell else []),
+                f'SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/{args.name}.units:/usr/lib/systemd/tests/testdata/units:',
-            'systemd.mask=systemd-networkd-wait-online.service',
+                *([f'systemd.unit={args.unit}'] if not shell else []),
-            *(
+                'systemd.mask=systemd-networkd-wait-online.service',
-                [
+                *(
-                    "systemd.mask=serial-getty@.service",
+                    [
-                    "systemd.show_status=error",
+                        'systemd.mask=serial-getty@.service',
-                    "systemd.crash_shell=0",
+                        'systemd.show_status=error',
-                    "systemd.crash_action=poweroff",
+                        'systemd.crash_shell=0',
-                ]
+                        'systemd.crash_action=poweroff',
-                if not sys.stderr.isatty()
+                    ]
-                else []
+                    if not sys.stderr.isatty()
-            ),
+                    else []
-        ]),
+                ),
-        '--credential', f"journal.storage={'persistent' if sys.stderr.isatty() else args.storage}",
+            ]
+        ),
+        '--credential',
+        f"journal.storage={'persistent' if sys.stderr.isatty() else args.storage}",
         *(['--runtime-build-sources=no'] if not sys.stderr.isatty() else []),
         'qemu' if args.vm or os.getuid() != 0 else 'boot',
     ]
@@ -226,15 +247,21 @@ def main():
 
     # On Debian/Ubuntu we get a lot of random QEMU crashes. Retry once, and then skip if it fails again.
     if args.vm and result.returncode == 247 and args.exit_code != 247:
-        journal_file.unlink(missing_ok=True)
+        if journal_file:
+            journal_file.unlink(missing_ok=True)
         result = subprocess.run(cmd)
         if args.vm and result.returncode == 247 and args.exit_code != 247:
-            print(f"Test {args.name} failed due to QEMU crash (error 247), ignoring", file=sys.stderr)
+            print(
+                f'Test {args.name} failed due to QEMU crash (error 247), ignoring',
+                file=sys.stderr,
+            )
             exit(77)
 
     coredumps = dump_coredumps(args, journal_file)
 
-    if keep_journal == "0" or (keep_journal == "fail" and result.returncode in (args.exit_code, 77) and not coredumps):
+    if keep_journal == '0' or (
+        keep_journal == 'fail' and result.returncode in (args.exit_code, 77) and not coredumps
+    ):
         journal_file.unlink(missing_ok=True)
 
     if shell or (result.returncode in (args.exit_code, 77) and not coredumps):
@@ -242,31 +269,31 @@ def main():
 
     ops = []
 
-    if os.getenv("GITHUB_ACTIONS"):
+    if os.getenv('GITHUB_ACTIONS'):
-        id = os.environ["GITHUB_RUN_ID"]
+        id = os.environ['GITHUB_RUN_ID']
-        iteration = os.environ["GITHUB_RUN_ATTEMPT"]
+        iteration = os.environ['GITHUB_RUN_ATTEMPT']
         j = json.loads(
             subprocess.run(
                 [
                     args.mkosi,
-                    "--directory", os.fspath(args.meson_source_dir),
+                    '--directory',
-                    "--json",
+                    os.fspath(args.meson_source_dir),
-                    "summary",
+                    '--json',
+                    'summary',
                 ],
                 stdout=subprocess.PIPE,
                 text=True,
             ).stdout
         )
-        distribution = j["Images"][-1]["Distribution"]
+        distribution = j['Images'][-1]['Distribution']
-        release = j["Images"][-1]["Release"]
+        release = j['Images'][-1]['Release']
-        artifact = f"ci-mkosi-{id}-{iteration}-{distribution}-{release}-failed-test-journals"
+        artifact = f'ci-mkosi-{id}-{iteration}-{distribution}-{release}-failed-test-journals'
-        ops += [f"gh run download {id} --name {artifact} -D ci/{artifact}"]
+        ops += [f'gh run download {id} --name {artifact} -D ci/{artifact}']
-        journal_file = Path(f"ci/{artifact}/test/journal/{name}.journal")
+        journal_file = Path(f'ci/{artifact}/test/journal/{name}.journal')
 
-    ops += [f"journalctl --file {journal_file} --no-hostname -o short-monotonic -u {args.unit} -p info"]
+    ops += [f'journalctl --file {journal_file} --no-hostname -o short-monotonic -u {args.unit} -p info']
 
-    print("Test failed, relevant logs can be viewed with: \n\n"
+    print("Test failed, relevant logs can be viewed with: \n\n" f"{(' && '.join(ops))}\n", file=sys.stderr)
-            f"{(' && '.join(ops))}\n", file=sys.stderr)
 
     # 0 also means we failed so translate that to a non-zero exit code to mark the test as failed.
     exit(result.returncode or 1)