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55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
"""数据库备份所需 Docker 运行时工具合同。"""
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import re
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from pathlib import Path
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def test_runtime_image_installs_postgresql_18_client_from_pgdg() -> None:
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"""Bookworm 镜像必须从签名的 PGDG 源安装固定主版本客户端。"""
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dockerfile = (
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Path(__file__).resolve().parents[1] / "docker" / "Dockerfile"
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).read_text(encoding="utf-8")
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assert re.search(
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r"^FROM python:[^\s]+-slim-bookworm AS base$", dockerfile, re.MULTILINE
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)
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assert "https://www.postgresql.org/media/keys/ACCC4CF8.asc" in dockerfile
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for curl_option in (
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"--connect-timeout 10",
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"--max-time 30",
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"--retry 3",
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"--retry-all-errors",
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"--retry-max-time 90",
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):
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assert curl_option in dockerfile
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keyring = "/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc"
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assert f"chmod 0644 {keyring}" in dockerfile
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assert f"signed-by={keyring}" in dockerfile
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assert "https://apt.postgresql.org/pub/repos/apt bookworm-pgdg main" in dockerfile
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assert re.search(r"^\s+postgresql-client-18 \\$", dockerfile, re.MULTILINE)
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assert not re.search(r"^\s+postgresql-client \\$", dockerfile, re.MULTILINE)
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def test_runtime_image_keeps_pgdg_setup_architecture_neutral_and_cleans_apt_cache(
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) -> None:
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"""PGDG 原生架构解析需同时适用于 amd64/arm64，且不得遗留 APT 索引。"""
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dockerfile = (
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Path(__file__).resolve().parents[1] / "docker" / "Dockerfile"
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).read_text(encoding="utf-8")
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pgdg_sources = [
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line for line in dockerfile.splitlines() if "apt.postgresql.org/pub/repos/apt" in line
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]
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assert len(pgdg_sources) == 1
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pgdg_source = pgdg_sources[0]
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assert "arch=" not in pgdg_source
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runtime_packages = dockerfile[
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dockerfile.index("FROM base AS prepare_package") :
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dockerfile.index("FROM base AS prepare_venv")
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]
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assert "/var/lib/apt/lists/*" in runtime_packages
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assert runtime_packages.index("postgresql-client-18") < runtime_packages.index(
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"/var/lib/apt/lists/*"
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)
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