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openSUSE:Leap:15.4:ARM
ansible.33434
0002-Ensure-ANSIBLE_NO_LOG-is-respected-CVE-202...
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File 0002-Ensure-ANSIBLE_NO_LOG-is-respected-CVE-2024-0690-825.patch of Package ansible.33434
From f5cb50f79af310b917e6932a0c0d8e9a73261b7f Mon Sep 17 00:00:00 2001 From: Matt Martz <matt@sivel.net> Date: Thu, 18 Jan 2024 17:17:23 -0600 Subject: [PATCH 2/2] [stable-2.14] Ensure ANSIBLE_NO_LOG is respected (CVE-2024-0690) (#82565) (#82568) (cherry picked from commit 6935c8e) Force template module to use non-native Jinja2 (#68560) Fixes #46169 Auto unroll generators produced by jinja filters (#68014) * Auto unroll generators produced by jinja filters * Unroll for native in finalize * Fix indentation Co-authored-by: Sam Doran <sdoran@redhat.com> * Add changelog fragment * ci_complete * Always unroll regardless of jinja2 * ci_complete Co-authored-by: Sam Doran <sdoran@redhat.com> Skip literal_eval for string filters results in native jinja. (#70988) (#71313) Fixes #70831 (cherry picked from commit b66d66027ece03f3f0a3fdb5fd6b8213965a2f1d) Introduce context manager for temporary templar context changes (#60513) * Introduce context manager for temporary templar context changes. Fixes #60106 * Rename and docstring * Make set_temporary_context more generic, don't hardcode each thing you can set, apply to template action too * not None * linting fix * Ignore invalid attrs * Catch the right things, loop the right things * Use set_temporary_context in a few extra action plugins --- .../46169-non-native-template-module.yml | 2 + .../60106-templar-contextmanager.yml | 4 + .../68014-auto-unroll-jinja2-generators.yml | 3 + ...iteral_eval-string-filter-native-jinja.yml | 2 + changelogs/fragments/cve-2024-0690.yml | 2 + lib/ansible/config/base.yml | 2 +- lib/ansible/playbook/base.py | 2 +- lib/ansible/playbook/conditional.py | 4 +- lib/ansible/playbook/play_context.py | 4 - lib/ansible/plugins/action/ce_template.py | 4 +- lib/ansible/plugins/action/network.py | 4 +- lib/ansible/plugins/action/template.py | 32 ++- lib/ansible/plugins/lookup/template.py | 50 ++-- lib/ansible/template/__init__.py | 227 ++++++++++++++++-- lib/ansible/template/native_helpers.py | 39 +++ lib/ansible/utils/native_jinja.py | 13 + lib/ansible/utils/unsafe_proxy.py | 7 + .../jinja2_native_types/test_casting.yml | 7 + .../jinja2_native_types/test_dunder.yml | 2 +- .../targets/no_log/no_log_config.yml | 13 + test/integration/targets/no_log/runme.sh | 5 + .../template_jinja2_non_native/46169.yml | 32 +++ .../template_jinja2_non_native/aliases | 1 + .../template_jinja2_non_native/runme.sh | 7 + .../templates/46169.json.j2 | 3 + 25 files changed, 398 insertions(+), 73 deletions(-) create mode 100644 changelogs/fragments/46169-non-native-template-module.yml create mode 100644 changelogs/fragments/60106-templar-contextmanager.yml create mode 100644 changelogs/fragments/68014-auto-unroll-jinja2-generators.yml create mode 100644 changelogs/fragments/70831-skip-literal_eval-string-filter-native-jinja.yml create mode 100644 changelogs/fragments/cve-2024-0690.yml create mode 100644 lib/ansible/utils/native_jinja.py create mode 100644 test/integration/targets/no_log/no_log_config.yml create mode 100644 test/integration/targets/template_jinja2_non_native/46169.yml create mode 100644 test/integration/targets/template_jinja2_non_native/aliases create mode 100755 test/integration/targets/template_jinja2_non_native/runme.sh create mode 100644 test/integration/targets/template_jinja2_non_native/templates/46169.json.j2 diff --git a/changelogs/fragments/46169-non-native-template-module.yml b/changelogs/fragments/46169-non-native-template-module.yml new file mode 100644 index 0000000000..7d004a6296 --- /dev/null +++ b/changelogs/fragments/46169-non-native-template-module.yml @@ -0,0 +1,2 @@ +minor_changes: + - Force the template module to use non-native Jinja2 (https://github.com/ansible/ansible/issues/46169) diff --git a/changelogs/fragments/60106-templar-contextmanager.yml b/changelogs/fragments/60106-templar-contextmanager.yml new file mode 100644 index 0000000000..45afc1544a --- /dev/null +++ b/changelogs/fragments/60106-templar-contextmanager.yml @@ -0,0 +1,4 @@ +bugfixes: +- template lookup - ensure changes to the templar in the lookup, do not + affect the templar context outside of the lookup + (https://github.com/ansible/ansible/issues/60106) diff --git a/changelogs/fragments/68014-auto-unroll-jinja2-generators.yml b/changelogs/fragments/68014-auto-unroll-jinja2-generators.yml new file mode 100644 index 0000000000..211d2fd665 --- /dev/null +++ b/changelogs/fragments/68014-auto-unroll-jinja2-generators.yml @@ -0,0 +1,3 @@ +minor_changes: +- Templating - Add support to auto unroll generators produced by jinja2 filters, to prevent the need of explicit use of ``|list`` + (https://github.com/ansible/ansible/pull/68014) diff --git a/changelogs/fragments/70831-skip-literal_eval-string-filter-native-jinja.yml b/changelogs/fragments/70831-skip-literal_eval-string-filter-native-jinja.yml new file mode 100644 index 0000000000..40b426e50b --- /dev/null +++ b/changelogs/fragments/70831-skip-literal_eval-string-filter-native-jinja.yml @@ -0,0 +1,2 @@ +bugfixes: + - Skip literal_eval for string filters results in native jinja. (https://github.com/ansible/ansible/issues/70831) diff --git a/changelogs/fragments/cve-2024-0690.yml b/changelogs/fragments/cve-2024-0690.yml new file mode 100644 index 0000000000..0e030d8886 --- /dev/null +++ b/changelogs/fragments/cve-2024-0690.yml @@ -0,0 +1,2 @@ +security_fixes: +- ANSIBLE_NO_LOG - Address issue where ANSIBLE_NO_LOG was ignored (CVE-2024-0690) diff --git a/lib/ansible/config/base.yml b/lib/ansible/config/base.yml index 3d3916a7fc..96d38e7f51 100644 --- a/lib/ansible/config/base.yml +++ b/lib/ansible/config/base.yml @@ -1757,7 +1757,7 @@ SHOW_CUSTOM_STATS: type: bool STRING_TYPE_FILTERS: name: Filters to preserve strings - default: [string, to_json, to_nice_json, to_yaml, ppretty, json] + default: [string, to_json, to_nice_json, to_yaml, to_nice_yaml, ppretty, json] description: - "This list of filters avoids 'type conversion' when templating variables" - Useful when you want to avoid conversion into lists or dictionaries for JSON strings, for example. diff --git a/lib/ansible/playbook/base.py b/lib/ansible/playbook/base.py index 0f4dc4e430..172963a218 100644 --- a/lib/ansible/playbook/base.py +++ b/lib/ansible/playbook/base.py @@ -613,7 +613,7 @@ class Base(FieldAttributeBase): # flags and misc. settings _environment = FieldAttribute(isa='list', extend=True, prepend=True) - _no_log = FieldAttribute(isa='bool') + _no_log = FieldAttribute(isa='bool', default=C.DEFAULT_NO_LOG) _run_once = FieldAttribute(isa='bool') _ignore_errors = FieldAttribute(isa='bool') _ignore_unreachable = FieldAttribute(isa='bool') diff --git a/lib/ansible/playbook/conditional.py b/lib/ansible/playbook/conditional.py index ac4fc0c568..be4b75986c 100644 --- a/lib/ansible/playbook/conditional.py +++ b/lib/ansible/playbook/conditional.py @@ -173,8 +173,8 @@ class Conditional: ) try: e = templar.environment.overlay() - e.filters.update(templar._get_filters()) - e.tests.update(templar._get_tests()) + e.filters.update(templar.environment.filters) + e.tests.update(templar.environment.tests) res = e._parse(conditional, None, None) res = generate(res, e, None, None) diff --git a/lib/ansible/playbook/play_context.py b/lib/ansible/playbook/play_context.py index 10dd57aa3f..5b8b28526c 100644 --- a/lib/ansible/playbook/play_context.py +++ b/lib/ansible/playbook/play_context.py @@ -318,10 +318,6 @@ class PlayContext(Base): if not new_info.connection_user: new_info.connection_user = new_info.remote_user - # set no_log to default if it was not previously set - if new_info.no_log is None: - new_info.no_log = C.DEFAULT_NO_LOG - if task.check_mode is not None: new_info.check_mode = task.check_mode diff --git a/lib/ansible/plugins/action/ce_template.py b/lib/ansible/plugins/action/ce_template.py index 8d62b25647..4a72fbbfa8 100644 --- a/lib/ansible/plugins/action/ce_template.py +++ b/lib/ansible/plugins/action/ce_template.py @@ -100,5 +100,5 @@ class ActionModule(_ActionModule): for role in dep_chain: searchpath.append(role._role_path) searchpath.append(os.path.dirname(source)) - self._templar.environment.loader.searchpath = searchpath - self._task.args['src'] = self._templar.template(template_data) + with self._templar.set_temporary_context(searchpath=searchpath): + self._task.args['src'] = self._templar.template(template_data) diff --git a/lib/ansible/plugins/action/network.py b/lib/ansible/plugins/action/network.py index f0d0ca3ba7..d91c9b2af9 100644 --- a/lib/ansible/plugins/action/network.py +++ b/lib/ansible/plugins/action/network.py @@ -160,8 +160,8 @@ class ActionModule(_ActionModule): for role in dep_chain: searchpath.append(role._role_path) searchpath.append(os.path.dirname(source)) - self._templar.environment.loader.searchpath = searchpath - self._task.args['src'] = self._templar.template(template_data, convert_data=convert_data) + with self._templar.set_temporary_context(searchpath=searchpath): + self._task.args['src'] = self._templar.template(template_data, convert_data=convert_data) def _get_network_os(self, task_vars): if 'network_os' in self._task.args and self._task.args['network_os']: diff --git a/lib/ansible/plugins/action/template.py b/lib/ansible/plugins/action/template.py index 8fb7393ff9..cede680ca6 100644 --- a/lib/ansible/plugins/action/template.py +++ b/lib/ansible/plugins/action/template.py @@ -17,7 +17,7 @@ from ansible.module_utils._text import to_bytes, to_text, to_native from ansible.module_utils.parsing.convert_bool import boolean from ansible.module_utils.six import string_types from ansible.plugins.action import ActionBase -from ansible.template import generate_ansible_template_vars +from ansible.template import generate_ansible_template_vars, AnsibleEnvironment class ActionModule(ActionBase): @@ -127,27 +127,23 @@ class ActionModule(ActionBase): newsearchpath.append(p) searchpath = newsearchpath - self._templar.environment.loader.searchpath = searchpath - self._templar.environment.newline_sequence = newline_sequence - if block_start_string is not None: - self._templar.environment.block_start_string = block_start_string - if block_end_string is not None: - self._templar.environment.block_end_string = block_end_string - if variable_start_string is not None: - self._templar.environment.variable_start_string = variable_start_string - if variable_end_string is not None: - self._templar.environment.variable_end_string = variable_end_string - self._templar.environment.trim_blocks = trim_blocks - self._templar.environment.lstrip_blocks = lstrip_blocks - # add ansible 'template' vars temp_vars = task_vars.copy() temp_vars.update(generate_ansible_template_vars(source, dest)) - old_vars = self._templar.available_variables - self._templar.available_variables = temp_vars - resultant = self._templar.do_template(template_data, preserve_trailing_newlines=True, escape_backslashes=False) - self._templar.available_variables = old_vars + # force templar to use AnsibleEnvironment to prevent issues with native types + # https://github.com/ansible/ansible/issues/46169 + templar = self._templar.copy_with_new_env(environment_class=AnsibleEnvironment, + searchpath=searchpath, + newline_sequence=newline_sequence, + block_start_string=block_start_string, + block_end_string=block_end_string, + variable_start_string=variable_start_string, + variable_end_string=variable_end_string, + trim_blocks=trim_blocks, + lstrip_blocks=lstrip_blocks, + available_variables=temp_vars) + resultant = templar.do_template(template_data, preserve_trailing_newlines=True, escape_backslashes=False) except AnsibleAction: raise except Exception as e: diff --git a/lib/ansible/plugins/lookup/template.py b/lib/ansible/plugins/lookup/template.py index 4fd3584b65..c04b5e0d6a 100644 --- a/lib/ansible/plugins/lookup/template.py +++ b/lib/ansible/plugins/lookup/template.py @@ -17,7 +17,9 @@ DOCUMENTATION = """ description: list of files to template convert_data: type: bool - description: whether to convert YAML into data. If False, strings that are YAML will be left untouched. + description: + - Whether to convert YAML into data. If False, strings that are YAML will be left untouched. + - Mutually exclusive with the jinja2_native option. variable_start_string: description: The string marking the beginning of a print statement. default: '{{' @@ -28,6 +30,16 @@ DOCUMENTATION = """ default: '}}' version_added: '2.8' type: str + jinja2_native: + description: + - Controls whether to use Jinja2 native types. + - It is off by default even if global jinja2_native is True. + - Has no effect if global jinja2_native is False. + - This offers more flexibility than the template module which does not use Jinja2 native types at all. + - Mutually exclusive with the convert_data option. + default: False + version_added: '2.11' + type: bool """ EXAMPLES = """ @@ -51,24 +63,31 @@ import os from ansible.errors import AnsibleError from ansible.plugins.lookup import LookupBase from ansible.module_utils._text import to_bytes, to_text -from ansible.template import generate_ansible_template_vars +from ansible.template import generate_ansible_template_vars, AnsibleEnvironment, USE_JINJA2_NATIVE from ansible.utils.display import Display +if USE_JINJA2_NATIVE: + from ansible.utils.native_jinja import NativeJinjaText + + display = Display() class LookupModule(LookupBase): def run(self, terms, variables, **kwargs): - convert_data_p = kwargs.get('convert_data', True) lookup_template_vars = kwargs.get('template_vars', {}) + jinja2_native = kwargs.get('jinja2_native', False) ret = [] variable_start_string = kwargs.get('variable_start_string', None) variable_end_string = kwargs.get('variable_end_string', None) - old_vars = self._templar.available_variables + if USE_JINJA2_NATIVE and not jinja2_native: + templar = self._templar.copy_with_new_env(environment_class=AnsibleEnvironment) + else: + templar = self._templar for term in terms: display.debug("File lookup term: %s" % term) @@ -92,12 +111,6 @@ class LookupModule(LookupBase): searchpath = newsearchpath searchpath.insert(0, os.path.dirname(lookupfile)) - self._templar.environment.loader.searchpath = searchpath - if variable_start_string is not None: - self._templar.environment.variable_start_string = variable_start_string - if variable_end_string is not None: - self._templar.environment.variable_end_string = variable_end_string - # The template will have access to all existing variables, # plus some added by ansible (e.g., template_{path,mtime}), # plus anything passed to the lookup with the template_vars= @@ -105,17 +118,20 @@ class LookupModule(LookupBase): vars = deepcopy(variables) vars.update(generate_ansible_template_vars(lookupfile)) vars.update(lookup_template_vars) - self._templar.available_variables = vars - # do the templating - res = self._templar.template(template_data, preserve_trailing_newlines=True, - convert_data=convert_data_p, escape_backslashes=False) + with templar.set_temporary_context(variable_start_string=variable_start_string, + variable_end_string=variable_end_string, + available_variables=vars, searchpath=searchpath): + res = templar.template(template_data, preserve_trailing_newlines=True, + convert_data=convert_data_p, escape_backslashes=False) + + if USE_JINJA2_NATIVE and not jinja2_native: + # jinja2_native is true globally but off for the lookup, we need this text + # not to be processed by literal_eval anywhere in Ansible + res = NativeJinjaText(res) ret.append(res) else: raise AnsibleError("the template file %s could not be found for the lookup" % term) - # restore old variables - self._templar.available_variables = old_vars - return ret diff --git a/lib/ansible/template/__init__.py b/lib/ansible/template/__init__.py index 94ab31e58d..35c9dac194 100644 --- a/lib/ansible/template/__init__.py +++ b/lib/ansible/template/__init__.py @@ -28,6 +28,7 @@ import re import time from distutils.version import LooseVersion +from contextlib import contextmanager from numbers import Number try: @@ -42,8 +43,9 @@ from jinja2.runtime import Context, StrictUndefined from ansible import constants as C from ansible.errors import AnsibleError, AnsibleFilterError, AnsibleUndefinedVariable, AnsibleAssertionError from ansible.module_utils.six import iteritems, string_types, text_type +from ansible.module_utils.six.moves import range from ansible.module_utils._text import to_native, to_text, to_bytes -from ansible.module_utils.common._collections_compat import Sequence, Mapping, MutableMapping +from ansible.module_utils.common._collections_compat import Iterator, Sequence, Mapping, MappingView, MutableMapping from ansible.module_utils.common.collections import is_sequence from ansible.module_utils.compat.importlib import import_module from ansible.plugins.loader import filter_loader, lookup_loader, test_loader @@ -71,12 +73,16 @@ NON_TEMPLATED_TYPES = (bool, Number) JINJA2_OVERRIDE = '#jinja2:' from jinja2 import __version__ as j2_version +from jinja2 import Environment +from jinja2.utils import concat as j2_concat + USE_JINJA2_NATIVE = False if C.DEFAULT_JINJA2_NATIVE: try: - from jinja2.nativetypes import NativeEnvironment as Environment - from ansible.template.native_helpers import ansible_native_concat as j2_concat + from jinja2.nativetypes import NativeEnvironment + from ansible.template.native_helpers import ansible_native_concat + from ansible.utils.native_jinja import NativeJinjaText USE_JINJA2_NATIVE = True except ImportError: from jinja2 import Environment @@ -85,15 +91,15 @@ if C.DEFAULT_JINJA2_NATIVE: 'jinja2_native requires Jinja 2.10 and above. ' 'Version detected: %s. Falling back to default.' % j2_version ) -else: - from jinja2 import Environment - from jinja2.utils import concat as j2_concat JINJA2_BEGIN_TOKENS = frozenset(('variable_begin', 'block_begin', 'comment_begin', 'raw_begin')) JINJA2_END_TOKENS = frozenset(('variable_end', 'block_end', 'comment_end', 'raw_end')) +RANGE_TYPE = type(range(0)) + + def generate_ansible_template_vars(path, dest_path=None): b_path = to_bytes(path) try: @@ -230,6 +236,60 @@ def recursive_check_defined(item): raise AnsibleFilterError("{0} is undefined".format(item)) +def _is_rolled(value): + """Helper method to determine if something is an unrolled generator, + iterator, or similar object + """ + return ( + isinstance(value, Iterator) or + isinstance(value, MappingView) or + isinstance(value, RANGE_TYPE) + ) + + +def _unroll_iterator(func): + """Wrapper function, that intercepts the result of a filter + and auto unrolls a generator, so that users are not required to + explicitly use ``|list`` to unroll. + """ + def wrapper(*args, **kwargs): + ret = func(*args, **kwargs) + if _is_rolled(ret): + return list(ret) + return ret + + return _update_wrapper(wrapper, func) + + +def _update_wrapper(wrapper, func): + # This code is duplicated from ``functools.update_wrapper`` from Py3.7. + # ``functools.update_wrapper`` was failing when the func was ``functools.partial`` + for attr in ('__module__', '__name__', '__qualname__', '__doc__', '__annotations__'): + try: + value = getattr(func, attr) + except AttributeError: + pass + else: + setattr(wrapper, attr, value) + for attr in ('__dict__',): + getattr(wrapper, attr).update(getattr(func, attr, {})) + wrapper.__wrapped__ = func + return wrapper + + +def _wrap_native_text(func): + """Wrapper function, that intercepts the result of a filter + and wraps it into NativeJinjaText which is then used + in ``ansible_native_concat`` to indicate that it is a text + which should not be passed into ``literal_eval``. + """ + def wrapper(*args, **kwargs): + ret = func(*args, **kwargs) + return NativeJinjaText(ret) + + return _update_wrapper(wrapper, func) + + class AnsibleUndefined(StrictUndefined): ''' A custom Undefined class, which returns further Undefined objects on access, @@ -350,10 +410,11 @@ class AnsibleContext(Context): class JinjaPluginIntercept(MutableMapping): - def __init__(self, delegatee, pluginloader, *args, **kwargs): + def __init__(self, delegatee, pluginloader, jinja2_native, *args, **kwargs): super(JinjaPluginIntercept, self).__init__(*args, **kwargs) self._delegatee = delegatee self._pluginloader = pluginloader + self._jinja2_native = jinja2_native if self._pluginloader.class_name == 'FilterModule': self._method_map_name = 'filters' @@ -406,10 +467,13 @@ class JinjaPluginIntercept(MutableMapping): method_map = getattr(plugin_impl, self._method_map_name) - for f in iteritems(method_map()): - fq_name = '.'.join((parent_prefix, f[0])) + for func_name, func in iteritems(method_map()): + fq_name = '.'.join((parent_prefix, func_name)) # FIXME: detect/warn on intra-collection function name collisions - self._collection_jinja_func_cache[fq_name] = f[1] + if self._jinja2_native and func_name in C.STRING_TYPE_FILTERS: + self._collection_jinja_func_cache[fq_name] = _wrap_native_text(func) + else: + self._collection_jinja_func_cache[fq_name] = _unroll_iterator(func) function_impl = self._collection_jinja_func_cache[key] return function_impl @@ -433,6 +497,9 @@ class AnsibleEnvironment(Environment): ''' Our custom environment, which simply allows us to override the class-level values for the Template and Context classes used by jinja2 internally. + + NOTE: Any changes to this class must be reflected in + :class:`AnsibleNativeEnvironment` as well. ''' context_class = AnsibleContext template_class = AnsibleJ2Template @@ -440,8 +507,27 @@ class AnsibleEnvironment(Environment): def __init__(self, *args, **kwargs): super(AnsibleEnvironment, self).__init__(*args, **kwargs) - self.filters = JinjaPluginIntercept(self.filters, filter_loader) - self.tests = JinjaPluginIntercept(self.tests, test_loader) + self.filters = JinjaPluginIntercept(self.filters, filter_loader, jinja2_native=False) + self.tests = JinjaPluginIntercept(self.tests, test_loader, jinja2_native=False) + + +if USE_JINJA2_NATIVE: + class AnsibleNativeEnvironment(NativeEnvironment): + ''' + Our custom environment, which simply allows us to override the class-level + values for the Template and Context classes used by jinja2 internally. + + NOTE: Any changes to this class must be reflected in + :class:`AnsibleEnvironment` as well. + ''' + context_class = AnsibleContext + template_class = AnsibleJ2Template + + def __init__(self, *args, **kwargs): + super(AnsibleNativeEnvironment, self).__init__(*args, **kwargs) + + self.filters = JinjaPluginIntercept(self.filters, filter_loader, jinja2_native=True) + self.tests = JinjaPluginIntercept(self.tests, test_loader, jinja2_native=True) class Templar: @@ -478,7 +564,9 @@ class Templar: self._fail_on_filter_errors = True self._fail_on_undefined_errors = C.DEFAULT_UNDEFINED_VAR_BEHAVIOR - self.environment = AnsibleEnvironment( + environment_class = AnsibleNativeEnvironment if USE_JINJA2_NATIVE else AnsibleEnvironment + + self.environment = environment_class( trim_blocks=True, undefined=AnsibleUndefined, extensions=self._get_extensions(), @@ -489,17 +577,50 @@ class Templar: # the current rendering context under which the templar class is working self.cur_context = None + # FIXME these regular expressions should be re-compiled each time variable_start_string and variable_end_string are changed self.SINGLE_VAR = re.compile(r"^%s\s*(\w*)\s*%s$" % (self.environment.variable_start_string, self.environment.variable_end_string)) - - self._clean_regex = re.compile(r'(?:%s|%s|%s|%s)' % ( - self.environment.variable_start_string, - self.environment.block_start_string, - self.environment.block_end_string, - self.environment.variable_end_string - )) self._no_type_regex = re.compile(r'.*?\|\s*(?:%s)(?:\([^\|]*\))?\s*\)?\s*(?:%s)' % ('|'.join(C.STRING_TYPE_FILTERS), self.environment.variable_end_string)) + @property + def jinja2_native(self): + return not isinstance(self.environment, AnsibleEnvironment) + + def copy_with_new_env(self, environment_class=AnsibleEnvironment, **kwargs): + r"""Creates a new copy of Templar with a new environment. The new environment is based on + given environment class and kwargs. + + :kwarg environment_class: Environment class used for creating a new environment. + :kwarg \*\*kwargs: Optional arguments for the new environment that override existing + environment attributes. + + :returns: Copy of Templar with updated environment. + """ + # We need to use __new__ to skip __init__, mainly not to create a new + # environment there only to override it below + new_env = object.__new__(environment_class) + new_env.__dict__.update(self.environment.__dict__) + + new_templar = object.__new__(Templar) + new_templar.__dict__.update(self.__dict__) + new_templar.environment = new_env + + mapping = { + 'available_variables': new_templar, + 'searchpath': new_env.loader, + } + + for key, value in kwargs.items(): + obj = mapping.get(key, new_env) + try: + if value is not None: + setattr(obj, key, value) + except AttributeError: + # Ignore invalid attrs, lstrip_blocks was added in jinja2==2.7 + pass + + return new_templar + def _get_filters(self): ''' Returns filter plugins, after loading and caching them if need be @@ -513,6 +634,17 @@ class Templar: for fp in self._filter_loader.all(): self._filters.update(fp.filters()) + if self.jinja2_native: + for string_filter in C.STRING_TYPE_FILTERS: + try: + orig_filter = self._filters[string_filter] + except KeyError: + try: + orig_filter = self.environment.filters[string_filter] + except KeyError: + continue + self._filters[string_filter] = _wrap_native_text(orig_filter) + return self._filters.copy() def _get_tests(self): @@ -570,6 +702,36 @@ class Templar: ) self.available_variables = variables + @contextmanager + def set_temporary_context(self, **kwargs): + """Context manager used to set temporary templating context, without having to worry about resetting + original values afterward + + Use a keyword that maps to the attr you are setting. Applies to ``self.environment`` by default, to + set context on another object, it must be in ``mapping``. + """ + mapping = { + 'available_variables': self, + 'searchpath': self.environment.loader, + } + original = {} + + for key, value in kwargs.items(): + obj = mapping.get(key, self.environment) + try: + original[key] = getattr(obj, key) + if value is not None: + setattr(obj, key, value) + except AttributeError: + # Ignore invalid attrs, lstrip_blocks was added in jinja2==2.7 + pass + + yield + + for key in original: + obj = mapping.get(key, self.environment) + setattr(obj, key, original[key]) + def template(self, variable, convert_bare=False, preserve_trailing_newlines=True, escape_backslashes=True, fail_on_undefined=None, overrides=None, convert_data=True, static_vars=None, cache=True, disable_lookups=False): ''' @@ -632,7 +794,7 @@ class Templar: disable_lookups=disable_lookups, ) - if not USE_JINJA2_NATIVE: + if not self.jinja2_native: unsafe = hasattr(result, '__UNSAFE__') if convert_data and not self._no_type_regex.match(variable): # if this looks like a dictionary or list, convert it to such using the safe_eval method @@ -746,8 +908,18 @@ class Templar: If using ANSIBLE_JINJA2_NATIVE we bypass this and return the actual value always ''' - if USE_JINJA2_NATIVE: + if _is_rolled(thing): + # Auto unroll a generator, so that users are not required to + # explicitly use ``|list`` to unroll + # This only affects the scenario where the final result of templating + # is a generator, and not where a filter creates a generator in the middle + # of a template. See ``_unroll_iterator`` for the other case. This is probably + # unncessary + return list(thing) + + if self.jinja2_native: return thing + return thing if thing is not None else '' def _fail_lookup(self, name, *args, **kwargs): @@ -802,7 +974,10 @@ class Templar: ran = wrap_var(ran) else: try: - ran = wrap_var(",".join(ran)) + if self.jinja2_native and isinstance(ran[0], NativeJinjaText): + ran = wrap_var(NativeJinjaText(",".join(ran))) + else: + ran = wrap_var(",".join(ran)) except TypeError: # Lookup Plugins should always return lists. Throw an error if that's not # the case: @@ -824,7 +999,7 @@ class Templar: raise AnsibleError("lookup plugin (%s) not found" % name) def do_template(self, data, preserve_trailing_newlines=True, escape_backslashes=True, fail_on_undefined=None, overrides=None, disable_lookups=False): - if USE_JINJA2_NATIVE and not isinstance(data, string_types): + if self.jinja2_native and not isinstance(data, string_types): return data # For preserving the number of input newlines in the output (used @@ -853,6 +1028,8 @@ class Templar: # Adds Ansible custom filters and tests myenv.filters.update(self._get_filters()) + for k in myenv.filters: + myenv.filters[k] = _unroll_iterator(myenv.filters[k]) myenv.tests.update(self._get_tests()) if escape_backslashes: @@ -904,7 +1081,7 @@ class Templar: display.debug("failing because of a type error, template data is: %s" % to_text(data)) raise AnsibleError("Unexpected templating type error occurred on (%s): %s" % (to_native(data), to_native(te))) - if USE_JINJA2_NATIVE and not isinstance(res, string_types): + if self.jinja2_native and not isinstance(res, string_types): return res if preserve_trailing_newlines: diff --git a/lib/ansible/template/native_helpers.py b/lib/ansible/template/native_helpers.py index 11c14b7fa1..84296ad9b6 100644 --- a/lib/ansible/template/native_helpers.py +++ b/lib/ansible/template/native_helpers.py @@ -14,6 +14,34 @@ from jinja2._compat import text_type from jinja2.runtime import StrictUndefined from ansible.parsing.yaml.objects import AnsibleVaultEncryptedUnicode +from ansible.utils.native_jinja import NativeJinjaText + + +def _fail_on_undefined(data): + """Recursively find an undefined value in a nested data structure + and properly raise the undefined exception. + """ + if isinstance(data, Mapping): + for value in data.values(): + _fail_on_undefined(value) + elif is_sequence(data): + for item in data: + _fail_on_undefined(item) + else: + if isinstance(data, StrictUndefined): + # To actually raise the undefined exception we need to + # access the undefined object otherwise the exception would + # be raised on the next access which might not be properly + # handled. + # See https://github.com/ansible/ansible/issues/52158 + # and StrictUndefined implementation in upstream Jinja2. + str(data) + + return data + + +class NativeJinjaText(text_type): + pass def ansible_native_concat(nodes): @@ -49,9 +77,20 @@ def ansible_native_concat(nodes): # We do that only here because it is taken care of by text_type() in the else block below already. str(out) + if isinstance(out, NativeJinjaText): + # Sometimes (e.g. ``| string``) we need to mark variables + # in a special way so that they remain strings and are not + # passed into literal_eval. + # See: + # https://github.com/ansible/ansible/issues/70831 + # https://github.com/pallets/jinja/issues/1200 + # https://github.com/ansible/ansible/issues/70831#issuecomment-664190894 + return out + # short circuit literal_eval when possible if not isinstance(out, list): return out + else: if isinstance(nodes, types.GeneratorType): nodes = chain(head, nodes) diff --git a/lib/ansible/utils/native_jinja.py b/lib/ansible/utils/native_jinja.py new file mode 100644 index 0000000000..53ef14004a --- /dev/null +++ b/lib/ansible/utils/native_jinja.py @@ -0,0 +1,13 @@ +# Copyright: (c) 2020, Ansible Project +# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) + +# Make coding more python3-ish +from __future__ import (absolute_import, division, print_function) +__metaclass__ = type + + +from ansible.module_utils.six import text_type + + +class NativeJinjaText(text_type): + pass diff --git a/lib/ansible/utils/unsafe_proxy.py b/lib/ansible/utils/unsafe_proxy.py index 0bfd6340ff..54bebd177a 100644 --- a/lib/ansible/utils/unsafe_proxy.py +++ b/lib/ansible/utils/unsafe_proxy.py @@ -57,6 +57,7 @@ from ansible.module_utils._text import to_bytes, to_text from ansible.module_utils.common._collections_compat import Mapping, Set from ansible.module_utils.common.collections import is_sequence from ansible.module_utils.six import string_types, binary_type, text_type +from ansible.utils.native_jinja import NativeJinjaText __all__ = ['AnsibleUnsafe', 'wrap_var'] @@ -331,6 +332,10 @@ class NativeJinjaUnsafeText(NativeJinjaText, AnsibleUnsafeText): pass +class NativeJinjaUnsafeText(NativeJinjaText, AnsibleUnsafeText): + pass + + class UnsafeProxy(object): def __new__(cls, obj, *args, **kwargs): from ansible.utils.display import Display @@ -376,6 +381,8 @@ def wrap_var(v): v = _wrap_set(v) elif is_sequence(v): v = _wrap_sequence(v) + elif isinstance(v, NativeJinjaText): + v = NativeJinjaUnsafeText(v) elif isinstance(v, binary_type): v = AnsibleUnsafeBytes(v) elif isinstance(v, text_type): diff --git a/test/integration/targets/jinja2_native_types/test_casting.yml b/test/integration/targets/jinja2_native_types/test_casting.yml index 5b4fe3ac0e..da06ab2e28 100644 --- a/test/integration/targets/jinja2_native_types/test_casting.yml +++ b/test/integration/targets/jinja2_native_types/test_casting.yml @@ -1,17 +1,22 @@ - name: cast things to other things set_fact: int_to_str: "{{ i_two|to_text }}" + int_to_str2: "{{ i_two | string }}" str_to_int: "{{ s_two|int }}" dict_to_str: "{{ dict_one|to_text }}" list_to_str: "{{ list_one|to_text }}" int_to_bool: "{{ i_one|bool }}" str_true_to_bool: "{{ s_true|bool }}" str_false_to_bool: "{{ s_false|bool }}" + list_to_json_str: "{{ list_one | to_json }}" + list_to_yaml_str: "{{ list_one | to_yaml }}" - assert: that: - 'int_to_str == "2"' - 'int_to_str|type_debug in ["str", "unicode"]' + - 'int_to_str2 == "2"' + - 'int_to_str2|type_debug in ["NativeJinjaText"]' - 'str_to_int == 2' - 'str_to_int|type_debug == "int"' - 'dict_to_str|type_debug in ["str", "unicode"]' @@ -22,3 +27,5 @@ - 'str_true_to_bool|type_debug == "bool"' - 'str_false_to_bool is sameas false' - 'str_false_to_bool|type_debug == "bool"' + - 'list_to_json_str|type_debug in ["NativeJinjaText"]' + - 'list_to_yaml_str|type_debug in ["NativeJinjaText"]' diff --git a/test/integration/targets/jinja2_native_types/test_dunder.yml b/test/integration/targets/jinja2_native_types/test_dunder.yml index 46fd4d0a90..df5ea9276b 100644 --- a/test/integration/targets/jinja2_native_types/test_dunder.yml +++ b/test/integration/targets/jinja2_native_types/test_dunder.yml @@ -20,4 +20,4 @@ - assert: that: - - 'const_dunder|type_debug in ["str", "unicode"]' + - 'const_dunder|type_debug in ["str", "unicode", "NativeJinjaText"]' diff --git a/test/integration/targets/no_log/no_log_config.yml b/test/integration/targets/no_log/no_log_config.yml new file mode 100644 index 0000000000..8a5088059d --- /dev/null +++ b/test/integration/targets/no_log/no_log_config.yml @@ -0,0 +1,13 @@ +- hosts: testhost + gather_facts: false + tasks: + - debug: + no_log: true + + - debug: + no_log: false + + - debug: + + - debug: + loop: '{{ range(3) }}' diff --git a/test/integration/targets/no_log/runme.sh b/test/integration/targets/no_log/runme.sh index bb5c048fc9..8bfe019bb9 100755 --- a/test/integration/targets/no_log/runme.sh +++ b/test/integration/targets/no_log/runme.sh @@ -19,3 +19,8 @@ set -eux # test invalid data passed to a suboption [ "$(ansible-playbook no_log_suboptions_invalid.yml -i ../../inventory -vvvvv "$@" | grep -Ec '(SUPREME|IDIOM|MOCKUP|EDUCATED|FOOTREST|CRAFTY|FELINE|CRYSTAL|EXPECTANT|AGROUND|GOLIATH|FREEFALL)')" = "0" ] + +# test variations on ANSIBLE_NO_LOG +[ "$(ansible-playbook no_log_config.yml -i ../../inventory -vvvvv "$@" | grep -Ec 'the output has been hidden')" = "1" ] +[ "$(ANSIBLE_NO_LOG=0 ansible-playbook no_log_config.yml -i ../../inventory -vvvvv "$@" | grep -Ec 'the output has been hidden')" = "1" ] +[ "$(ANSIBLE_NO_LOG=1 ansible-playbook no_log_config.yml -i ../../inventory -vvvvv "$@" | grep -Ec 'the output has been hidden')" = "6" ] diff --git a/test/integration/targets/template_jinja2_non_native/46169.yml b/test/integration/targets/template_jinja2_non_native/46169.yml new file mode 100644 index 0000000000..efb443eae0 --- /dev/null +++ b/test/integration/targets/template_jinja2_non_native/46169.yml @@ -0,0 +1,32 @@ +- hosts: localhost + gather_facts: no + tasks: + - set_fact: + output_dir: "{{ lookup('env', 'OUTPUT_DIR') }}" + + - template: + src: templates/46169.json.j2 + dest: "{{ output_dir }}/result.json" + + - command: "diff templates/46169.json.j2 {{ output_dir }}/result.json" + register: diff_result + + - assert: + that: + - diff_result.stdout == "" + + - block: + - set_fact: + non_native_lookup: "{{ lookup('template', 'templates/46169.json.j2') }}" + + - assert: + that: + - non_native_lookup | type_debug == 'NativeJinjaUnsafeText' + + - set_fact: + native_lookup: "{{ lookup('template', 'templates/46169.json.j2', jinja2_native=true) }}" + + - assert: + that: + - native_lookup | type_debug == 'dict' + when: lookup('pipe', ansible_python_interpreter ~ ' -c "import jinja2; print(jinja2.__version__)"') is version('2.10', '>=') diff --git a/test/integration/targets/template_jinja2_non_native/aliases b/test/integration/targets/template_jinja2_non_native/aliases new file mode 100644 index 0000000000..b59832142f --- /dev/null +++ b/test/integration/targets/template_jinja2_non_native/aliases @@ -0,0 +1 @@ +shippable/posix/group3 diff --git a/test/integration/targets/template_jinja2_non_native/runme.sh b/test/integration/targets/template_jinja2_non_native/runme.sh new file mode 100755 index 0000000000..fe9d495a3e --- /dev/null +++ b/test/integration/targets/template_jinja2_non_native/runme.sh @@ -0,0 +1,7 @@ +#!/usr/bin/env bash + +set -eux + +export ANSIBLE_JINJA2_NATIVE=1 +ansible-playbook 46169.yml -v "$@" +unset ANSIBLE_JINJA2_NATIVE diff --git a/test/integration/targets/template_jinja2_non_native/templates/46169.json.j2 b/test/integration/targets/template_jinja2_non_native/templates/46169.json.j2 new file mode 100644 index 0000000000..a4fc3f6717 --- /dev/null +++ b/test/integration/targets/template_jinja2_non_native/templates/46169.json.j2 @@ -0,0 +1,3 @@ +{ + "key": "bar" +} -- 2.44.0
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