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Add failed_when module variable.

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Implementation note: Ternery operator trick for python prior to 2.5 is used.
(test and [when_true_value] or [when_false_value])[0]
http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python#comment1466794_394887
This commit is contained in:
Hiroaki Nakamura 2013-09-10 08:34:01 +09:00
commit 2357194b39
6 changed files with 61 additions and 8 deletions
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12
lib/ansible/playbook/task.py
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@ -29,7 +29,7 @@ class Task(object):
'delegate_to', 'first_available_file', 'ignore_errors',
'local_action', 'transport', 'sudo', 'sudo_user', 'sudo_pass',
'items_lookup_plugin', 'items_lookup_terms', 'environment', 'args',
'any_errors_fatal', 'changed_when', 'always_run'
'any_errors_fatal', 'changed_when', 'failed_when', 'always_run'
]
# to prevent typos and such
@ -38,7 +38,7 @@ class Task(object):
'first_available_file', 'include', 'tags', 'register', 'ignore_errors',
'delegate_to', 'local_action', 'transport', 'sudo', 'sudo_user',
'sudo_pass', 'when', 'connection', 'environment', 'args',
'any_errors_fatal', 'changed_when', 'always_run'
'any_errors_fatal', 'changed_when', 'failed_when', 'always_run'
]
def __init__(self, play, ds, module_vars=None, default_vars=None, additional_conditions=None):
@ -88,7 +88,7 @@ class Task(object):
else:
raise errors.AnsibleError("cannot find lookup plugin named %s for usage in with_%s" % (plugin_name, plugin_name))
elif x in [ 'changed_when', 'when']:
elif x in [ 'changed_when', 'failed_when', 'when']:
ds[x] = "jinja2_compare %s" % (ds[x])
elif x.startswith("when_"):
if 'when' in ds:
@ -167,6 +167,11 @@ class Task(object):
if self.changed_when is not None:
self.changed_when = utils.compile_when_to_only_if(self.changed_when)
self.failed_when = ds.get('failed_when', None)
if self.failed_when is not None:
self.failed_when = utils.compile_when_to_only_if(self.failed_when)
self.async_seconds = int(ds.get('async', 0)) # not async by default
self.async_poll_interval = int(ds.get('poll', 10)) # default poll = 10 seconds
self.notify = ds.get('notify', [])
@ -223,6 +228,7 @@ class Task(object):
self.module_vars['ignore_errors'] = self.ignore_errors
self.module_vars['register'] = self.register
self.module_vars['changed_when'] = self.changed_when
self.module_vars['failed_when'] = self.failed_when
self.module_vars['always_run'] = self.always_run
# tags allow certain parts of a playbook to be run without running the whole playbook