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Teaching objects to load themselves, making the JSON/YAML parsing ambidexterous.

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This commit is contained in:
Michael DeHaan 2014-10-08 15:59:24 -04:00
parent c75aeca435
commit 56b6cb5328
12 changed files with 180 additions and 59 deletions
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33
v2/ansible/playbook/task.py
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@ -27,7 +27,7 @@ from ansible.plugins import module_finder, lookup_finder
class Task(Base):
"""
A task is a language feature that represents a call to a module, with given arguments and other parameters.
A task is a language feature that represents a call to a module, with given arguments and other parameters.
A handler is a subclass of a task.
Usage:
@ -41,14 +41,14 @@ class Task(Base):
# load_<attribute_name> and
# validate_<attribute_name>
# will be used if defined
# might be possible to define others
# might be possible to define others
_args = FieldAttribute(isa='dict')
_action = FieldAttribute(isa='string')
_always_run = FieldAttribute(isa='bool')
_any_errors_fatal = FieldAttribute(isa='bool')
_async = FieldAttribute(isa='int')
_async = FieldAttribute(isa='int')
_connection = FieldAttribute(isa='string')
_delay = FieldAttribute(isa='int')
_delegate_to = FieldAttribute(isa='string')
@ -59,9 +59,9 @@ class Task(Base):
_loop = FieldAttribute(isa='string', private=True)
_loop_args = FieldAttribute(isa='list', private=True)
_local_action = FieldAttribute(isa='string')
# FIXME: this should not be a Task
_meta = FieldAttribute(isa='string')
_meta = FieldAttribute(isa='string')
_name = FieldAttribute(isa='string')
@ -120,7 +120,7 @@ class Task(Base):
def __repr__(self):
''' returns a human readable representation of the task '''
return "TASK: %s" % self.get_name()
def _munge_loop(self, ds, new_ds, k, v):
''' take a lookup plugin name and store it correctly '''
@ -128,9 +128,9 @@ class Task(Base):
raise AnsibleError("duplicate loop in task: %s" % k)
new_ds['loop'] = k
new_ds['loop_args'] = v
def munge(self, ds):
'''
'''
tasks are especially complex arguments so need pre-processing.
keep it short.
'''
@ -202,7 +202,7 @@ LEGACY = """
results['_module_name'] = k
if isinstance(v, dict) and 'args' in ds:
raise AnsibleError("can't combine args: and a dict for %s: in task %s" % (k, ds.get('name', "%s: %s" % (k, v))))
results['_parameters'] = self._load_parameters(v)
results['_parameters'] = self._load_parameters(v)
return results
def _load_loop(self, ds, k, v):
@ -264,7 +264,7 @@ LEGACY = """
def _load_invalid_key(self, ds, k, v):
''' handle any key we do not recognize '''
raise AnsibleError("%s is not a legal parameter in an Ansible task or handler" % k)
def _load_other_valid_key(self, ds, k, v):
@ -296,7 +296,7 @@ LEGACY = """
return self._load_invalid_key
else:
return self._load_other_valid_key
# ==================================================================================
# PRE-VALIDATION - expected to be uncommonly used, this checks for arguments that
# are aliases of each other. Most everything else should be in the LOAD block
@ -311,7 +311,7 @@ LEGACY = """
# =================================================================================
# POST-VALIDATION: checks for internal inconsistency between fields
# validation can result in an error but also corrections
def _post_validate(self):
''' is the loaded datastructure sane? '''
@ -321,13 +321,13 @@ LEGACY = """
# incompatible items
self._validate_conflicting_su_and_sudo()
self._validate_conflicting_first_available_file_and_loookup()
def _post_validate_fixed_name(self):
'' construct a name for the task if no name was specified '''
flat_params = " ".join(["%s=%s" % (k,v) for k,v in self._parameters.iteritems()])
return = "%s %s" % (self._module_name, flat_params)
def _post_validate_conflicting_su_and_sudo(self):
''' make sure su/sudo usage doesn't conflict '''
@ -342,4 +342,3 @@ LEGACY = """
raise AnsibleError("with_(plugin), and first_available_file are mutually incompatible in a single task")
"""