108 lines
3.7 KiB
Python
108 lines
3.7 KiB
Python
#
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# Copyright(c) 2022 Intel Corporation
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import os
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import re
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import pytest
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from api.cas.installer import clean_opencas_repo, rsync_opencas_sources
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from core.test_run import TestRun
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from test_tools.fs_utils import (
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check_if_regular_file_exists,
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check_if_symlink_exists,
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readlink,
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remove,
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)
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from api.cas.packaging import Packages
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modules_links_dir = "/lib/modules/$(uname -r)/weak-updates/block/opencas"
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modules_names = ["cas_cache.ko"]
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@pytest.mark.os_dependent
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def test_weak_modules():
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"""
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title: Test for weak-modules symlinks handling.
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description: |
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Test if symlinks for CAS modules in kernels's weak-updates directory
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are properly created and removed during RPM package install/uninstall.
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pass_criteria:
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- working symlinks for CAS modules are created after installation
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- no broken symlinks are left after uninstallation
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"""
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with TestRun.step("Check for supported RPM based OS distribution"):
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distro_id_like = TestRun.executor.run_expect_success(
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"grep -i ID_LIKE /etc/os-release"
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).stdout
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if not re.search("rhel|fedora", distro_id_like):
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distro_id_like = distro_id_like.split("=")[1].strip("\"'")
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TestRun.LOGGER.error(
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f"OS type - {distro_id_like}: this distribution "
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f"does not support weak-modules mechanism"
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)
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return
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with TestRun.step("Create RPM packages"):
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rsync_opencas_sources()
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clean_opencas_repo()
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cas_pkg = Packages()
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cas_pkg.create(TestRun.usr.working_dir)
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with TestRun.step("Remove any previous installations and cleanup"):
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cas_pkg.uninstall_all_matching("open-cas-linux")
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remove(modules_links_dir, recursive=True, force=True)
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with TestRun.step("Install RPM packages and check for module symlinks"):
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cas_pkg.install()
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missing_links = []
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for module in modules_names:
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module_link = os.path.join(modules_links_dir, module)
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if not check_if_symlink_exists(module_link):
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resolved_path = TestRun.executor.run_expect_success(f"echo {module_link}").stdout
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missing_links.append(resolved_path)
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if missing_links:
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TestRun.fail(
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f"No CAS modules links found in weak-updates directory "
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f"after installation:\n{', '.join(missing_links)}"
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)
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broken_links = []
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for module in modules_names:
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module_link = os.path.join(modules_links_dir, module)
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module_file = readlink(module_link)
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if not check_if_regular_file_exists(module_file):
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resolved_path = TestRun.executor.run_expect_success(f"echo {module_link}").stdout
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broken_links.append(resolved_path)
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if broken_links:
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TestRun.fail(
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f"Broken CAS modules links found in weak-updates directory "
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f"after installation:\n{', '.join(broken_links)}"
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)
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with TestRun.step("Uninstall RPM packages and check if symlinks were removed"):
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cas_pkg.uninstall()
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existing_links = []
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for module in modules_names:
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module_link = os.path.join(modules_links_dir, module)
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if check_if_symlink_exists(module_link):
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resolved_path = TestRun.executor.run_expect_success(f"echo {module_link}").stdout
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existing_links.append(resolved_path)
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if existing_links:
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TestRun.fail(
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f"CAS modules links found in weak-updates directory "
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f"after uninstallation:\n{', '.join(existing_links)}"
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)
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