mirror of
https://github.com/kevinveenbirkenbach/docker-volume-backup.git
synced 2025-12-29 11:43:17 +00:00
test(e2e): add dump-only-sql mixed-run + CLI contract coverage
- rename dump-only flag to --dump-only-sql across docs and tests - update backup logic: skip files/ only for DB volumes when dumps succeed; fallback to files when dumps fail - extend e2e helpers to support dump_only_sql - add e2e mixed-run regression test (DB dump => no files/, non-DB => files/) - add e2e CLI/argparse contract test (--dump-only-sql present, --dump-only rejected) - fix e2e files test to expect file backups for non-DB volumes in dump-only-sql mode and verify restore - update changelog + README flag table https://chatgpt.com/share/69522d9c-ce08-800f-9070-71df3bd779ae
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182
tests/e2e/test_e2e_dump_only_sql_mixed_run.py
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182
tests/e2e/test_e2e_dump_only_sql_mixed_run.py
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import unittest
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from .helpers import (
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backup_path,
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cleanup_docker,
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create_minimal_compose_dir,
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ensure_empty_dir,
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latest_version_dir,
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require_docker,
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run,
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unique,
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wait_for_postgres,
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write_databases_csv,
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)
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class TestE2EDumpOnlySqlMixedRun(unittest.TestCase):
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@classmethod
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def setUpClass(cls) -> None:
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require_docker()
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cls.prefix = unique("baudolo-e2e-dump-only-sql-mixed-run")
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cls.backups_dir = f"/tmp/{cls.prefix}/Backups"
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ensure_empty_dir(cls.backups_dir)
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cls.compose_dir = create_minimal_compose_dir(f"/tmp/{cls.prefix}")
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cls.repo_name = cls.prefix
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# --- Volumes ---
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cls.db_volume = f"{cls.prefix}-vol-db"
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cls.files_volume = f"{cls.prefix}-vol-files"
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# Track for cleanup
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cls.containers: list[str] = []
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cls.volumes = [cls.db_volume, cls.files_volume]
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# Create volumes
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run(["docker", "volume", "create", cls.db_volume])
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run(["docker", "volume", "create", cls.files_volume])
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# Put a marker into the non-db volume
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run(
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[
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"docker",
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"run",
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"--rm",
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"-v",
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f"{cls.files_volume}:/data",
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"alpine:3.20",
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"sh",
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"-lc",
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"echo 'hello-non-db' > /data/hello.txt",
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]
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)
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# --- Start Postgres container using the DB volume ---
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cls.pg_container = f"{cls.prefix}-pg"
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cls.containers.append(cls.pg_container)
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cls.pg_password = "postgres"
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cls.pg_db = "testdb"
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cls.pg_user = "postgres"
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run(
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[
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"docker",
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"run",
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"-d",
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"--name",
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cls.pg_container,
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"-e",
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f"POSTGRES_PASSWORD={cls.pg_password}",
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"-v",
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f"{cls.db_volume}:/var/lib/postgresql/data",
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"postgres:16-alpine",
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]
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)
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wait_for_postgres(cls.pg_container, user="postgres", timeout_s=90)
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# Create deterministic content in DB so dump is non-empty
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run(
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[
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"docker",
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"exec",
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cls.pg_container,
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"sh",
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"-lc",
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f'psql -U postgres -c "CREATE DATABASE {cls.pg_db};" || true',
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],
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check=True,
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)
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run(
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[
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"docker",
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"exec",
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cls.pg_container,
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"sh",
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"-lc",
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(
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f'psql -U postgres -d {cls.pg_db} -c '
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'"CREATE TABLE IF NOT EXISTS t (id INT PRIMARY KEY, v TEXT);'
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"INSERT INTO t(id,v) VALUES (1,'hello-db') "
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"ON CONFLICT (id) DO UPDATE SET v=EXCLUDED.v;\""
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),
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],
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check=True,
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)
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# databases.csv with an entry => dump should succeed
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cls.databases_csv = f"/tmp/{cls.prefix}/databases.csv"
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write_databases_csv(
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cls.databases_csv,
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[(cls.pg_container, cls.pg_db, cls.pg_user, cls.pg_password)],
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)
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# Run baudolo with dump-only-sql
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cmd = [
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"baudolo",
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"--compose-dir",
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cls.compose_dir,
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"--databases-csv",
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cls.databases_csv,
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"--database-containers",
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cls.pg_container,
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"--images-no-stop-required",
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"alpine",
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"postgres",
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"mariadb",
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"mysql",
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"--dump-only-sql",
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"--backups-dir",
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cls.backups_dir,
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"--repo-name",
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cls.repo_name,
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]
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cp = run(cmd, capture=True, check=True)
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cls.stdout = cp.stdout
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cls.stderr = cp.stderr
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cls.hash, cls.version = latest_version_dir(cls.backups_dir, cls.repo_name)
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@classmethod
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def tearDownClass(cls) -> None:
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cleanup_docker(containers=cls.containers, volumes=cls.volumes)
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def test_db_volume_has_dump_and_no_files_dir(self) -> None:
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base = backup_path(self.backups_dir, self.repo_name, self.version, self.db_volume)
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dumps = base / "dumps"
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files = base / "files"
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self.assertTrue(dumps.exists(), f"Expected dumps dir for DB volume at: {dumps}")
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self.assertFalse(
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files.exists(),
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f"Did not expect files dir for DB volume when dump succeeded at: {files}",
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)
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# Optional: at least one dump file exists
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dump_files = list(dumps.glob("*.sql")) + list(dumps.glob("*.sql.gz"))
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self.assertTrue(
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dump_files,
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f"Expected at least one SQL dump file in {dumps}, found none.",
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)
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def test_non_db_volume_has_files_dir(self) -> None:
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base = backup_path(
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self.backups_dir, self.repo_name, self.version, self.files_volume
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)
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files = base / "files"
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self.assertTrue(
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files.exists(),
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f"Expected files dir for non-DB volume at: {files}",
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)
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def test_dump_only_sql_does_not_disable_non_db_files_backup(self) -> None:
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# Regression guard: even with --dump-only-sql, non-DB volumes must still be backed up as files
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base = backup_path(
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self.backups_dir, self.repo_name, self.version, self.files_volume
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)
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self.assertTrue(
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(base / "files").exists(),
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f"Expected non-DB volume files backup to exist at: {base / 'files'}",
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)
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