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Toshio Kuratomi bd072fe83a Make the timeout decorator raise an exception out of the function's scope (#49921) ... * Revert "allow caller to deal with timeout (#49449)" This reverts commit 63279823a7. Flawed on many levels * Adds poor API to a public function * Papers over the fact that the public function is doing something bad by catching exceptions it cannot handle in the first place * Papers over the real cause of the issue which is a bug in the timeout decorator * Doesn't reraise properly * Catches the wrong exception Fixes #49824 Fixes #49817 * Make the timeout decorator properly raise an exception outside of the function's scope signal handlers which raise exceptions will never work well because the exception can be raised anywhere in the called code. This leads to exception race conditions where the exceptions could end up being hanlded by unintended pieces of the called code. The timeout decorator was using just that idiom. It was especially bad because the decorator syntactically occurs outside of the called code but because of the signal handler, the exception was being raised inside of the called code. This change uses a thread instead of a signal to manage the timeout in parallel to the execution of the decorated function. Since raising of the exception happens inside of the decorator, now, instead of inside of a signal handler, the timeout exception is raised from outside of the called code as expected which makes reasoning about where exceptions are to be expected intuitive again. Fixes #43884 * Add a common case test. Adding an integration test driven from our unittests. Most of the time we'll timeout in run_command which is running things in a subprocess. Create a test for that specific case in case anything funky comes up between threading and execve. * Don't use OSError-based TimeoutError as a base class Unlike most standard exceptions, OSError has a specific parameter list with specific meanings. Instead follow the example of other stdlib functions, concurrent.futures and multiprocessing and define a separate TimeoutException. * Add comment and docstring to point out that this is not hte Python3 TimeoutError		6 years ago
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aws	Move unit test compat code out of `lib/ansible/`. (#46996)	6 years ago
basic	Port from plaform.dist to ansible.module_utils.distro.linux_distribution	6 years ago
cloud	Move unit test compat code out of `lib/ansible/`. (#46996)	6 years ago
common	Move unit test compat code out of `lib/ansible/`. (#46996)	6 years ago
ec2	Update bare exceptions to specify Exception.	6 years ago
facts	Make the timeout decorator raise an exception out of the function's scope (#49921)	6 years ago
gcp	Enable additional pylint rules and resolve issues found. (#47221)	6 years ago
json_utils	Move unit test compat code out of `lib/ansible/`. (#46996)	6 years ago
net_tools	Move unit test compat code out of `lib/ansible/`. (#46996)	6 years ago
network	Replace nose with pytest	6 years ago
parsing	Consolidate boolean/mk_boolean conversion functions into a single location	7 years ago
urls	Fixing HTTPError case of fetch_url for Python 3 compatibility. (#45628)	6 years ago
__init__.py	Add empty-init code-smell script. (#18406)	8 years ago
conftest.py	Python 3.8 collections compatibility fixes.	6 years ago
test_acme.py	Code style adjustment. (#49329)	6 years ago
test_database.py	Fix unit test parametrize order on Python 3.5.	6 years ago
test_distribution_version.py	Port from plaform.dist to ansible.module_utils.distro.linux_distribution	6 years ago
test_distro.py	Port from plaform.dist to ansible.module_utils.distro.linux_distribution	6 years ago
test_docker_common.py	docker_* modules: simplify idempotency comparisons (#47709)	6 years ago
test_known_hosts.py	Fix unit test parametrize order on Python 3.5.	6 years ago
test_postgresql.py	Move unit test compat code out of `lib/ansible/`. (#46996)	6 years ago
test_text.py	Porting tests to pytest (#33387)	7 years ago
test_vmware.py	VMware: Fix module usages in module_utils (#49421)	6 years ago