Import sanity test for plugins (#72497)

changelogs/fragments/72497-ansible-test-import-plugins.yml

@@ -0,0 +1,2 @@
+minor_changes:
+- "ansible-test - the ``import`` sanity test now also tries to import all non-module and non-module_utils Python files in ``lib/ansible/`` resp. ``plugins/`` (https://github.com/ansible/ansible/pull/72497)."

docs/docsite/rst/dev_guide/testing/sanity/ansible-requirements.rst

@@ -0,0 +1,4 @@
+ansible-requirements
+====================
+
+``test/lib/ansible_test/_data/requirements/sanity.import-plugins.txt`` must be an identical copy of ``requirements.txt`` found in the project's root.

test/lib/ansible_test/_data/requirements/sanity.import-plugins.txt

@@ -0,0 +1,13 @@
+# Note: this requirements.txt file is used to specify what dependencies are
+# needed to make the package run rather than for deployment of a tested set of
+# packages.  Thus, this should be the loosest set possible (only required
+# packages, not optional ones, and with the widest range of versions that could
+# be suitable)
+jinja2
+PyYAML
+cryptography
+packaging
+# NOTE: resolvelib 0.x version bumps should be considered major/breaking
+# NOTE: and we should update the upper cap with care, at least until 1.0
+# NOTE: Ref: https://github.com/sarugaku/resolvelib/issues/69
+resolvelib >= 0.5.3, < 0.6.0  # dependency resolver used by ansible-galaxy

test/lib/ansible_test/_data/sanity/import/importer.py

@@ -27,6 +27,7 @@ def main():
     external_python = os.environ.get('SANITY_EXTERNAL_PYTHON') or sys.executable
     collection_full_name = os.environ.get('SANITY_COLLECTION_FULL_NAME')
     collection_root = os.environ.get('ANSIBLE_COLLECTIONS_PATH')
+    import_type = os.environ.get('SANITY_IMPORTER_TYPE')
 
     try:
         # noinspection PyCompatibility
@@ -103,6 +104,7 @@ def main():
     # remove all modules under the ansible package
     list(map(sys.modules.pop, [m for m in sys.modules if m.partition('.')[0] == ansible.__name__]))
 
+    if import_type == 'module':
         # pre-load an empty ansible package to prevent unwanted code in __init__.py from loading
         # this more accurately reflects the environment that AnsiballZ runs modules under
         # it also avoids issues with imports in the ansible package that are not allowed
@@ -123,10 +125,11 @@ def main():
 
     class RestrictedModuleLoader:
         """Python module loader that restricts inappropriate imports."""
-        def __init__(self, path, name):
+        def __init__(self, path, name, restrict_to_module_paths):
             self.path = path
             self.name = name
             self.loaded_modules = set()
+            self.restrict_to_module_paths = restrict_to_module_paths
 
         def find_module(self, fullname, path=None):
             """Return self if the given fullname is restricted, otherwise return None.
@@ -138,6 +141,9 @@ def main():
                 return None  # ignore modules that are already being loaded
 
             if is_name_in_namepace(fullname, ['ansible']):
+                if not self.restrict_to_module_paths:
+                    return None  # for non-modules, everything in the ansible namespace is allowed
+
                 if fullname in ('ansible.module_utils.basic', 'ansible.module_utils.common.removed'):
                     return self  # intercept loading so we can modify the result
 
@@ -153,6 +159,9 @@ def main():
                 if not collection_loader:
                     return self  # restrict access to collections when we are not testing a collection
 
+                if not self.restrict_to_module_paths:
+                    return None  # for non-modules, everything in the ansible namespace is allowed
+
                 if is_name_in_namepace(fullname, ['ansible_collections...plugins.module_utils', self.name]):
                     return None  # module_utils and module under test are always allowed
 
@@ -196,24 +205,25 @@ def main():
             self.loaded_modules.add(fullname)
             return import_module(fullname)
 
-    def run():
+    def run(restrict_to_module_paths):
         """Main program function."""
         base_dir = os.getcwd()
         messages = set()
 
         for path in sys.argv[1:] or sys.stdin.read().splitlines():
             name = convert_relative_path_to_name(path)
-            test_python_module(path, name, base_dir, messages)
+            test_python_module(path, name, base_dir, messages, restrict_to_module_paths)
 
         if messages:
             sys.exit(10)
 
-    def test_python_module(path, name, base_dir, messages):
+    def test_python_module(path, name, base_dir, messages, restrict_to_module_paths):
         """Test the given python module by importing it.
         :type path: str
         :type name: str
         :type base_dir: str
         :type messages: set[str]
+        :type restrict_to_module_paths: bool
         """
         if name in sys.modules:
             return  # cannot be tested because it has already been loaded
@@ -230,13 +240,13 @@ def main():
 
         try:
             with monitor_sys_modules(path, messages):
-                with restrict_imports(path, name, messages):
+                with restrict_imports(path, name, messages, restrict_to_module_paths):
                     with capture_output(capture_normal):
                         import_module(name)
 
             if run_main:
                 with monitor_sys_modules(path, messages):
-                    with restrict_imports(path, name, messages):
+                    with restrict_imports(path, name, messages, restrict_to_module_paths):
                         with capture_output(capture_main):
                             runpy.run_module(name, run_name='__main__', alter_sys=True)
         except ImporterAnsibleModuleException:
@@ -398,13 +408,14 @@ def main():
             print(message)
 
     @contextlib.contextmanager
-    def restrict_imports(path, name, messages):
+    def restrict_imports(path, name, messages, restrict_to_module_paths):
         """Restrict available imports.
         :type path: str
         :type name: str
         :type messages: set[str]
+        :type restrict_to_module_paths: bool
         """
-        restricted_loader = RestrictedModuleLoader(path, name)
+        restricted_loader = RestrictedModuleLoader(path, name, restrict_to_module_paths)
 
         # noinspection PyTypeChecker
         sys.meta_path.insert(0, restricted_loader)
@@ -413,6 +424,10 @@ def main():
         try:
             yield
         finally:
+            if import_type == 'plugin':
+                from ansible.utils.collection_loader._collection_finder import _AnsibleCollectionFinder
+                _AnsibleCollectionFinder._remove()  # pylint: disable=protected-access
+
             if sys.meta_path[0] != restricted_loader:
                 report_message(path, 0, 0, 'metapath', 'changes to sys.meta_path[0] are not permitted', messages)
 
@@ -457,6 +472,26 @@ def main():
 
         with warnings.catch_warnings():
             warnings.simplefilter('error')
+            if sys.version_info[0] == 2:
+                warnings.filterwarnings(
+                    "ignore",
+                    "Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography,"
+                    " and will be removed in a future release.")
+                warnings.filterwarnings(
+                    "ignore",
+                    "Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography,"
+                    " and will be removed in the next release.")
+            if sys.version_info[:2] == (3, 5):
+                warnings.filterwarnings(
+                    "ignore",
+                    "Python 3.5 support will be dropped in the next release ofcryptography. Please upgrade your Python.")
+                warnings.filterwarnings(
+                    "ignore",
+                    "Python 3.5 support will be dropped in the next release of cryptography. Please upgrade your Python.")
+            warnings.filterwarnings(
+                "ignore",
+                "The _yaml extension module is now located at yaml._yaml and its location is subject to change.  To use the "
+                "LibYAML-based parser and emitter, import from `yaml`: `from yaml import CLoader as Loader, CDumper as Dumper`.")
 
             try:
                 yield
@@ -464,7 +499,7 @@ def main():
                 sys.stdout = old_stdout
                 sys.stderr = old_stderr
 
-    run()
+    run(import_type == 'module')
 
 
 if __name__ == '__main__':

test/lib/ansible_test/_internal/executor.py

@@ -9,7 +9,6 @@ import re
 import time
 import textwrap
 import functools
-import hashlib
 import difflib
 import filecmp
 import random
@@ -44,7 +43,6 @@ from .cloud import (
 from .io import (
     make_dirs,
     open_text_file,
-    read_binary_file,
     read_text_file,
     write_text_file,
 )
@@ -70,6 +68,7 @@ from .util import (
     SUPPORTED_PYTHON_VERSIONS,
     str_to_version,
     version_to_str,
+    get_hash,
 )
 
 from .util_common import (
@@ -2026,7 +2025,7 @@ class EnvironmentDescription:
         pip_paths = dict((v, find_executable('pip%s' % v, required=False)) for v in sorted(versions))
         program_versions = dict((v, self.get_version([python_paths[v], version_check], warnings)) for v in sorted(python_paths) if python_paths[v])
         pip_interpreters = dict((v, self.get_shebang(pip_paths[v])) for v in sorted(pip_paths) if pip_paths[v])
-        known_hosts_hash = self.get_hash(os.path.expanduser('~/.ssh/known_hosts'))
+        known_hosts_hash = get_hash(os.path.expanduser('~/.ssh/known_hosts'))
 
         for version in sorted(versions):
             self.check_python_pip_association(version, python_paths, pip_paths, pip_interpreters, warnings)
@@ -2166,21 +2165,6 @@ class EnvironmentDescription:
         with open_text_file(path) as script_fd:
             return script_fd.readline().strip()
 
-    @staticmethod
-    def get_hash(path):
-        """
-        :type path: str
-        :rtype: str | None
-        """
-        if not os.path.exists(path):
-            return None
-
-        file_hash = hashlib.sha256()
-
-        file_hash.update(read_binary_file(path))
-
-        return file_hash.hexdigest()
-
 
 class NoChangesDetected(ApplicationWarning):
     """Exception when change detection was performed, but no changes were found."""

test/lib/ansible_test/_internal/sanity/import.py

@@ -20,6 +20,7 @@ from ..target import (
 )
 
 from ..util import (
+    ANSIBLE_TEST_DATA_ROOT,
     SubprocessError,
     remove_tree,
     display,
@@ -27,6 +28,8 @@ from ..util import (
     is_subdir,
     generate_pip_command,
     find_python,
+    get_hash,
+    REMOTE_ONLY_PYTHON_VERSIONS,
 )
 
 from ..util_common import (
@@ -41,6 +44,7 @@ from ..ansible_util import (
 
 from ..executor import (
     generate_pip_install,
+    install_cryptography,
 )
 
 from ..config import (
@@ -60,12 +64,21 @@ from ..data import (
 )
 
 
+def _get_module_test(module_restrictions):  # type: (bool) -> t.Callable[[str], bool]
+    """Create a predicate which tests whether a path can be used by modules or not."""
+    module_path = data_context().content.module_path
+    module_utils_path = data_context().content.module_utils_path
+    if module_restrictions:
+        return lambda path: is_subdir(path, module_path) or is_subdir(path, module_utils_path)
+    return lambda path: not (is_subdir(path, module_path) or is_subdir(path, module_utils_path))
+
+
 class ImportTest(SanityMultipleVersion):
     """Sanity test for proper import exception handling."""
     def filter_targets(self, targets):  # type: (t.List[TestTarget]) -> t.List[TestTarget]
         """Return the given list of test targets, filtered to include only those relevant for the test."""
         return [target for target in targets if os.path.splitext(target.path)[1] == '.py' and
-                (is_subdir(target.path, data_context().content.module_path) or is_subdir(target.path, data_context().content.module_utils_path))]
+                any(is_subdir(target.path, path) for path in data_context().content.plugin_paths.values())]
 
     def test(self, args, targets, python_version):
         """
@@ -92,8 +105,27 @@ class ImportTest(SanityMultipleVersion):
 
         temp_root = os.path.join(ResultType.TMP.path, 'sanity', 'import')
 
+        messages = []
+
+        for import_type, test, add_ansible_requirements in (
+                ('module', _get_module_test(True), False),
+                ('plugin', _get_module_test(False), True),
+        ):
+            if import_type == 'plugin' and python_version in REMOTE_ONLY_PYTHON_VERSIONS:
+                continue
+
+            data = '\n'.join([path for path in paths if test(path)])
+            if not data:
+                continue
+
+            requirements_file = None
+
             # create a clean virtual environment to minimize the available imports beyond the python standard library
-        virtual_environment_path = os.path.join(temp_root, 'minimal-py%s' % python_version.replace('.', ''))
+            virtual_environment_dirname = 'minimal-py%s' % python_version.replace('.', '')
+            if add_ansible_requirements:
+                requirements_file = os.path.join(ANSIBLE_TEST_DATA_ROOT, 'requirements', 'sanity.import-plugins.txt')
+                virtual_environment_dirname += '-requirements-%s' % get_hash(requirements_file)
+            virtual_environment_path = os.path.join(temp_root, virtual_environment_dirname)
             virtual_environment_bin = os.path.join(virtual_environment_path, 'bin')
 
             remove_tree(virtual_environment_path)
@@ -114,6 +146,7 @@ class ImportTest(SanityMultipleVersion):
 
             env.update(
                 SANITY_TEMP_PATH=ResultType.TMP.path,
+                SANITY_IMPORTER_TYPE=import_type,
             )
 
             if data_context().content.collection:
@@ -125,6 +158,11 @@ class ImportTest(SanityMultipleVersion):
             virtualenv_python = os.path.join(virtual_environment_bin, 'python')
             virtualenv_pip = generate_pip_command(virtualenv_python)
 
+            # make sure requirements are installed if needed
+            if requirements_file:
+                install_cryptography(args, virtualenv_python, python_version, virtualenv_pip)
+                run_command(args, generate_pip_install(virtualenv_pip, 'sanity', context='import-plugins'), env=env, capture=capture_pip)
+
             # make sure coverage is available in the virtual environment if needed
             if args.coverage:
                 run_command(args, generate_pip_install(virtualenv_pip, '', packages=['setuptools']), env=env, capture=capture_pip)
@@ -144,13 +182,9 @@ class ImportTest(SanityMultipleVersion):
             run_command(args, virtualenv_pip + ['uninstall', '--disable-pip-version-check', '-y', 'setuptools'], env=env, capture=capture_pip)
             run_command(args, virtualenv_pip + ['uninstall', '--disable-pip-version-check', '-y', 'pip'], env=env, capture=capture_pip)
 
-        cmd = ['importer.py']
-
-        data = '\n'.join(paths)
+            display.info(import_type + ': ' + data, verbosity=4)
 
-        display.info(data, verbosity=4)
-
-        results = []
+            cmd = ['importer.py']
 
             try:
                 with coverage_context(args):
@@ -165,18 +199,18 @@ class ImportTest(SanityMultipleVersion):
 
                 pattern = r'^(?P<path>[^:]*):(?P<line>[0-9]+):(?P<column>[0-9]+): (?P<message>.*)$'
 
-            results = parse_to_list_of_dict(pattern, ex.stdout)
+                parsed = parse_to_list_of_dict(pattern, ex.stdout)
 
                 relative_temp_root = os.path.relpath(temp_root, data_context().content.root) + os.path.sep
 
-            results = [SanityMessage(
+                messages += [SanityMessage(
                     message=r['message'],
                     path=os.path.relpath(r['path'], relative_temp_root) if r['path'].startswith(relative_temp_root) else r['path'],
                     line=int(r['line']),
                     column=int(r['column']),
-            ) for r in results]
+                ) for r in parsed]
 
-        results = settings.process_errors(results, paths)
+        results = settings.process_errors(messages, paths)
 
         if results:
             return SanityFailure(self.name, messages=results, python_version=python_version)

test/lib/ansible_test/_internal/util.py

@@ -5,6 +5,7 @@ __metaclass__ = type
 import contextlib
 import errno
 import fcntl
+import hashlib
 import inspect
 import os
 import pkgutil
@@ -53,6 +54,7 @@ from .encoding import (
 
 from .io import (
     open_binary_file,
+    read_binary_file,
     read_text_file,
 )
 
@@ -857,4 +859,19 @@ def open_zipfile(path, mode='r'):
     zib_obj.close()
 
 
+def get_hash(path):
+    """
+    :type path: str
+    :rtype: str | None
+    """
+    if not os.path.exists(path):
+        return None
+
+    file_hash = hashlib.sha256()
+
+    file_hash.update(read_binary_file(path))
+
+    return file_hash.hexdigest()
+
+
 display = Display()  # pylint: disable=locally-disabled, invalid-name

test/sanity/code-smell/ansible-requirements.json

@@ -0,0 +1,7 @@
+{
+    "prefixes": [
+        "requirements.txt",
+        "test/lib/ansible_test/_data/requirements/sanity.import-plugins.txt"
+    ],
+    "output": "path-line-column-message"
+}

test/sanity/code-smell/ansible-requirements.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import re
+import sys
+
+
+def read_file(path):
+    try:
+        with open(path, 'r') as f:
+            return f.read()
+    except Exception as ex:  # pylint: disable=broad-except
+        print('%s:%d:%d: unable to read required file %s' % (path, 0, 0, re.sub(r'\s+', ' ', str(ex))))
+        return None
+
+
+def main():
+    ORIGINAL_FILE = 'requirements.txt'
+    VENDORED_COPY = 'test/lib/ansible_test/_data/requirements/sanity.import-plugins.txt'
+
+    original_requirements = read_file(ORIGINAL_FILE)
+    vendored_requirements = read_file(VENDORED_COPY)
+
+    if original_requirements is not None and vendored_requirements is not None:
+        if original_requirements != vendored_requirements:
+            print('%s:%d:%d: must be identical to %s' % (VENDORED_COPY, 0, 0, ORIGINAL_FILE))
+
+
+if __name__ == '__main__':
+    main()

test/sanity/code-smell/test-constraints.py

@@ -12,6 +12,12 @@ def main():
     requirements = {}
 
     for path in sys.argv[1:] or sys.stdin.read().splitlines():
+        if path == 'test/lib/ansible_test/_data/requirements/sanity.import-plugins.txt':
+            # This file is an exact copy of requirements.txt that is used in the import
+            # sanity test.  There is a code-smell test which ensures that the two files
+            # are identical, and it is only used inside an empty venv, so we can ignore
+            # it here.
+            continue
         with open(path, 'r') as path_fd:
             requirements[path] = parse_requirements(path_fd.read().splitlines())