169 lines
6.1 KiB
Python
169 lines
6.1 KiB
Python
"""Context information for the current invocation of ansible-test."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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from . import types as t
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from .util import (
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ApplicationError,
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import_plugins,
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is_subdir,
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ANSIBLE_LIB_ROOT,
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ANSIBLE_TEST_ROOT,
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ANSIBLE_SOURCE_ROOT,
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)
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from .provider import (
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find_path_provider,
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get_path_provider_classes,
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ProviderNotFoundForPath,
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)
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from .provider.source import (
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SourceProvider,
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)
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from .provider.source.unversioned import (
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UnversionedSource,
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)
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from .provider.source.installed import (
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InstalledSource,
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)
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from .provider.layout import (
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ContentLayout,
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LayoutProvider,
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)
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class UnexpectedSourceRoot(ApplicationError):
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"""Exception generated when a source root is found below a layout root."""
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def __init__(self, source_root, layout_root): # type: (str, str) -> None
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super(UnexpectedSourceRoot, self).__init__('Source root "%s" cannot be below layout root "%s".' % (source_root, layout_root))
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self.source_root = source_root
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self.layout_root = layout_root
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class DataContext:
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"""Data context providing details about the current execution environment for ansible-test."""
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def __init__(self):
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content_path = os.environ.get('ANSIBLE_TEST_CONTENT_ROOT')
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current_path = os.getcwd()
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layout_providers = get_path_provider_classes(LayoutProvider)
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source_providers = get_path_provider_classes(SourceProvider)
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self.__source_providers = source_providers
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self.__ansible_source = None # type: t.Optional[t.Tuple[t.Tuple[str, str], ...]]
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self.payload_callbacks = [] # type: t.List[t.Callable[t.List[t.Tuple[str, str]], None]]
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if content_path:
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content = self.__create_content_layout(layout_providers, source_providers, content_path, False)
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elif ANSIBLE_SOURCE_ROOT and is_subdir(current_path, ANSIBLE_SOURCE_ROOT):
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content = self.__create_content_layout(layout_providers, source_providers, ANSIBLE_SOURCE_ROOT, False)
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else:
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content = self.__create_content_layout(layout_providers, source_providers, current_path, True)
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self.content = content # type: ContentLayout
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self.results = os.path.join(self.content.root, 'test', 'results')
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@staticmethod
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def __create_content_layout(layout_providers, # type: t.List[t.Type[LayoutProvider]]
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source_providers, # type: t.List[t.Type[SourceProvider]]
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root, # type: str
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walk, # type: bool
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): # type: (...) -> ContentLayout
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"""Create a content layout using the given providers and root path."""
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layout_provider = find_path_provider(LayoutProvider, layout_providers, root, walk)
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try:
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source_provider = find_path_provider(SourceProvider, source_providers, root, walk)
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except ProviderNotFoundForPath:
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source_provider = UnversionedSource(layout_provider.root)
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if source_provider.root != layout_provider.root and is_subdir(source_provider.root, layout_provider.root):
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raise UnexpectedSourceRoot(source_provider.root, layout_provider.root)
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layout = layout_provider.create(layout_provider.root, source_provider.get_paths(layout_provider.root))
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return layout
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def __create_ansible_source(self):
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"""Return a tuple of Ansible source files with both absolute and relative paths."""
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if not ANSIBLE_SOURCE_ROOT:
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sources = []
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source_provider = InstalledSource(ANSIBLE_LIB_ROOT)
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sources.extend((os.path.join(source_provider.root, path), os.path.join('lib', 'ansible', path))
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for path in source_provider.get_paths(source_provider.root))
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source_provider = InstalledSource(ANSIBLE_TEST_ROOT)
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sources.extend((os.path.join(source_provider.root, path), os.path.join('test', 'lib', 'ansible_test', path))
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for path in source_provider.get_paths(source_provider.root))
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return tuple(sources)
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if self.content.is_ansible:
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return tuple((os.path.join(self.content.root, path), path) for path in self.content.all_files())
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try:
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source_provider = find_path_provider(SourceProvider, self.__source_providers, ANSIBLE_SOURCE_ROOT, False)
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except ProviderNotFoundForPath:
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source_provider = UnversionedSource(ANSIBLE_SOURCE_ROOT)
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return tuple((os.path.join(source_provider.root, path), path) for path in source_provider.get_paths(source_provider.root))
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@property
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def ansible_source(self): # type: () -> t.Tuple[t.Tuple[str, str], ...]
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"""Return a tuple of Ansible source files with both absolute and relative paths."""
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if not self.__ansible_source:
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self.__ansible_source = self.__create_ansible_source()
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return self.__ansible_source
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def register_payload_callback(self, callback): # type: (t.Callable[t.List[t.Tuple[str, str]], None]) -> None
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"""Register the given payload callback."""
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self.payload_callbacks.append(callback)
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def data_init(): # type: () -> DataContext
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"""Initialize provider plugins."""
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provider_types = (
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'layout',
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'source',
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)
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for provider_type in provider_types:
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import_plugins('provider/%s' % provider_type)
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try:
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context = DataContext()
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except ProviderNotFoundForPath:
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options = [
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' - an Ansible collection: {...}/ansible_collections/{namespace}/{collection}/',
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]
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if ANSIBLE_SOURCE_ROOT:
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options.insert(0, ' - the Ansible source: %s/' % ANSIBLE_SOURCE_ROOT)
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raise ApplicationError('''The current working directory must be at or below:
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%s
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Current working directory: %s''' % ('\n'.join(options), os.getcwd()))
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return context
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def data_context(): # type: () -> DataContext
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"""Return the current data context."""
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try:
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return data_context.instance
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except AttributeError:
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data_context.instance = data_init()
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return data_context.instance
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