Signatures
This commit is contained in:
parent
daab8e7ad4
commit
b8e4e59d6b
1 changed files with 4 additions and 53 deletions
|
@ -20,59 +20,10 @@ from v2.utils import template
|
||||||
from v2.utils import list_union
|
from v2.utils import list_union
|
||||||
|
|
||||||
class Conditional(object):
|
class Conditional(object):
|
||||||
def __init__(self, basedir, conditionals=[]):
|
|
||||||
self.basedir = basedir
|
|
||||||
self.conditionals = conditionals
|
|
||||||
|
|
||||||
def push(self, conditional):
|
def __init__(self, task):
|
||||||
if conditional not in self.conditionals:
|
pass
|
||||||
self.conditionals.append(conditional)
|
|
||||||
|
|
||||||
def get_conditionals(self):
|
def evaluate(self, context):
|
||||||
# return a full slice to make sure the reference
|
pass
|
||||||
# doesn't get mangled by other users of the result
|
|
||||||
return self.conditionals[:]
|
|
||||||
|
|
||||||
def merge(self, conditional):
|
|
||||||
if isinstance(conditional, basestring):
|
|
||||||
conditional = Conditional(self.basedir, [conditional])
|
|
||||||
elif isinstance(conditional, list):
|
|
||||||
conditional = Conditional(self.basedir, conditional)
|
|
||||||
elif not isinstance(conditional, Conditional):
|
|
||||||
raise AnsibleError('expected a Conditional() class, instead got a %s' % type(conditional))
|
|
||||||
self.conditionals = list_union(self.conditionals, conditional.get_conditonals())
|
|
||||||
|
|
||||||
def evaluate(self, inject):
|
|
||||||
for conditional in self.conditional:
|
|
||||||
if not self._do_evaluate(conditional, inject):
|
|
||||||
return False
|
|
||||||
return True
|
|
||||||
|
|
||||||
def _do_evaluate(self, conditional, inject):
|
|
||||||
# allow variable names
|
|
||||||
if conditional in inject and '-' not in str(inject[conditional]):
|
|
||||||
conditional = inject[conditional]
|
|
||||||
conditional = template.template(self.basedir, conditional, inject, fail_on_undefined=C.fail_on_undefined)
|
|
||||||
original = str(conditional).replace("jinja2_compare ","")
|
|
||||||
# a Jinja2 evaluation that results in something Python can eval!
|
|
||||||
presented = "{%% if %s %%} True {%% else %%} False {%% endif %%}" % conditional
|
|
||||||
conditional = template.template(self.basedir, presented, inject)
|
|
||||||
val = conditional.strip()
|
|
||||||
if val == presented:
|
|
||||||
# the templating failed, meaning most likely a
|
|
||||||
# variable was undefined. If we happened to be
|
|
||||||
# looking for an undefined variable, return True,
|
|
||||||
# otherwise fail
|
|
||||||
if "is undefined" in conditional:
|
|
||||||
return True
|
|
||||||
elif "is defined" in conditional:
|
|
||||||
return False
|
|
||||||
else:
|
|
||||||
raise errors.AnsibleError("error while evaluating conditional: %s" % original)
|
|
||||||
elif val == "True":
|
|
||||||
return True
|
|
||||||
elif val == "False":
|
|
||||||
return False
|
|
||||||
else:
|
|
||||||
raise errors.AnsibleError("unable to evaluate conditional: %s" % original)
|
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue