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toggle missing handler errors/warnings via config

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(cherry picked from commit b169a61c20)
This commit is contained in:
Brian Coca 2016-10-04 15:41:27 -04:00
parent a94db01b89
commit b6e317c045
3 changed files with 15 additions and 8 deletions
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3
examples/ansible.cfg
View file

@ -70,6 +70,9 @@
#task_includes_static = True
#handler_includes_static = True
# Controls if a missing handler for a notification event is an error or a warning
#error_on_missing_handler = True
# change this for alternative sudo implementations
#sudo_exe = sudo

1
lib/ansible/constants.py
View file

@ -191,6 +191,7 @@ DEFAULT_FORCE_HANDLERS = get_config(p, DEFAULTS, 'force_handlers', 'ANSIBLE_F
DEFAULT_INVENTORY_IGNORE = get_config(p, DEFAULTS, 'inventory_ignore_extensions', 'ANSIBLE_INVENTORY_IGNORE', ["~", ".orig", ".bak", ".ini", ".cfg", ".retry", ".pyc", ".pyo"], islist=True)
DEFAULT_VAR_COMPRESSION_LEVEL = get_config(p, DEFAULTS, 'var_compression_level', 'ANSIBLE_VAR_COMPRESSION_LEVEL', 0, integer=True)
DEFAULT_INTERNAL_POLL_INTERVAL = get_config(p, DEFAULTS, 'internal_poll_interval', None, 0.001, floating=True)
ERROR_ON_MISSING_HANDLER = get_config(p, DEFAULTS, 'error_on_missing_handler', 'ANSIBLE_ERROR_ON_MISSING_HANDLER', True, boolean=True)
# static includes
DEFAULT_TASK_INCLUDES_STATIC = get_config(p, DEFAULTS, 'task_includes_static', 'ANSIBLE_TASK_INCLUDES_STATIC', False, boolean=True)

19
lib/ansible/plugins/strategy/__init__.py
View file

@ -388,6 +388,7 @@ class StrategyBase:
# So, per the docs, we reassign the list so the proxy picks up and
# notifies all other threads
for handler_name in result_item['_ansible_notify']:
found = False
# Find the handler using the above helper. First we look up the
# dependency chain of the current task (if it's from a role), otherwise
# we just look through the list of handlers in the current play/all
@ -395,15 +396,15 @@ class StrategyBase:
if handler_name in self._listening_handlers:
for listening_handler_name in self._listening_handlers[handler_name]:
listening_handler = search_handler_blocks(listening_handler_name, iterator._play.handlers)
if listening_handler is None:
raise AnsibleError("The requested handler listener '%s' was not found in any of the known handlers" % listening_handler_name)
if listening_handler is not None:
found = True
if original_host not in self._notified_handlers[listening_handler]:
self._notified_handlers[listening_handler].append(original_host)
display.vv("NOTIFIED HANDLER %s" % (listening_handler_name,))
else:
target_handler = search_handler_blocks(handler_name, iterator._play.handlers)
if target_handler is not None:
found = True
if original_host not in self._notified_handlers[target_handler]:
self._notified_handlers[target_handler].append(original_host)
# FIXME: should this be a callback?
@ -411,17 +412,19 @@ class StrategyBase:
else:
# As there may be more than one handler with the notified name as the
# parent, so we just keep track of whether or not we found one at all
found = False
for target_handler in self._notified_handlers:
if parent_handler_match(target_handler, handler_name):
self._notified_handlers[target_handler].append(original_host)
display.vv("NOTIFIED HANDLER %s" % (target_handler.get_name(),))
found = True
# and if none were found, then we raise an error
if not found:
raise AnsibleError("The requested handler '%s' was found in neither the main handlers list nor the listening handlers list" % handler_name)
# and if none were found, then we raise an error
if not found:
msg = "The requested handler '%s' was not found in either the main handlers list nor in the listening handlers list" % handler_name
if C.ERROR_ON_MISSING_HANDLER:
raise AnsibleError(msg)
else:
display.warning(msg)
if 'add_host' in result_item:
# this task added a new host (add_host module)