def _squash_items(self, items, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
# _task.action could contain templatable strings (via action: and
# local_action:) Template it before comparing. If we don't end up
# optimizing it here, the templatable string might use template vars
# that aren't available until later (it could even use vars from the
# with_items loop) so don't make the templated string permanent yet.
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=variables)
task_action = self._task.action
if templar._contains_vars(task_action):
task_action = templar.template(task_action, fail_on_undefined=False)
if len(items) > 0 and task_action in self.SQUASH_ACTIONS:
if all(isinstance(o, string_types) for o in items):
final_items = []
name = None
for allowed in ['name', 'pkg', 'package']:
name = self._task.args.pop(allowed, None)
if name is not None:
break
# This gets the information to check whether the name field
# contains a template that we can squash for
template_no_item = template_with_item = None
if name:
if templar._contains_vars(name):
variables['item'] = '\0$'
template_no_item = templar.template(name, variables, cache=False)
variables['item'] = '\0@'
template_with_item = templar.template(name, variables, cache=False)
del variables['item']
# Check if the user is doing some operation that doesn't take
# name/pkg or the name/pkg field doesn't have any variables
# and thus the items can't be squashed
if template_no_item != template_with_item:
for item in items:
variables['item'] = item
if self._task.evaluate_conditional(templar, variables):
new_item = templar.template(name, cache=False)
final_items.append(new_item)
self._task.args['name'] = final_items
# Wrap this in a list so that the calling function loop
# executes exactly once
return [final_items]
else:
# Restore the name parameter
self._task.args['name'] = name
#elif:
# Right now we only optimize single entries. In the future we
# could optimize more types:
# * lists can be squashed together
# * dicts could squash entries that match in all cases except the
# name or pkg field.
return items
def _squash_items(self, items, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
# _task.action could contain templatable strings (via action: and
# local_action:) Template it before comparing. If we don't end up
# optimizing it here, the templatable string might use template vars
# that aren't available until later (it could even use vars from the
# with_items loop) so don't make the templated string permanent yet.
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=variables)
task_action = self._task.action
if templar._contains_vars(task_action):
task_action = templar.template(task_action, fail_on_undefined=False)
if len(items) > 0 and task_action in self.SQUASH_ACTIONS:
if all(isinstance(o, string_types) for o in items):
final_items = []
name = None
for allowed in ['name', 'pkg', 'package']:
name = self._task.args.pop(allowed, None)
if name is not None:
break
# This gets the information to check whether the name field
# contains a template that we can squash for
template_no_item = template_with_item = None
if name:
if templar._contains_vars(name):
variables['item'] = '\0$'
template_no_item = templar.template(name, variables, cache=False)
variables['item'] = '\0@'
template_with_item = templar.template(name, variables, cache=False)
del variables['item']
# Check if the user is doing some operation that doesn't take
# name/pkg or the name/pkg field doesn't have any variables
# and thus the items can't be squashed
if template_no_item != template_with_item:
for item in items:
variables['item'] = item
if self._task.evaluate_conditional(templar, variables):
new_item = templar.template(name, cache=False)
final_items.append(new_item)
self._task.args['name'] = final_items
# Wrap this in a list so that the calling function loop
# executes exactly once
return [final_items]
else:
# Restore the name parameter
self._task.args['name'] = name
#elif:
# Right now we only optimize single entries. In the future we
# could optimize more types:
# * lists can be squashed together
# * dicts could squash entries that match in all cases except the
# name or pkg field.
return items
def _squash_items(self, items, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
if len(items) > 0 and self._task.action in self.SQUASH_ACTIONS:
final_items = []
name = self._task.args.pop('name', None) or self._task.args.pop(
'pkg', None)
for item in items:
variables['item'] = item
templar = Templar(loader=self._loader,
shared_loader_obj=self._shared_loader_obj,
variables=variables)
if self._task.evaluate_conditional(templar, variables):
if templar._contains_vars(name):
new_item = templar.template(name)
final_items.append(new_item)
else:
final_items.append(item)
joined_items = ",".join(final_items)
self._task.args['name'] = joined_items
return [joined_items]
else:
return items
def _load_role_name(self, ds):
'''
Returns the role name (either the role: or name: field) from
the role definition, or (when the role definition is a simple
string), just that string
'''
if isinstance(ds, string_types):
return ds
role_name = ds.get('role', ds.get('name'))
if not role_name or not isinstance(role_name, string_types):
raise AnsibleError('role definitions must contain a role name',
obj=ds)
# if we have the required datastructures, and if the role_name
# contains a variable, try and template it now
if self._variable_manager:
all_vars = self._variable_manager.get_vars(loader=self._loader,
play=self._play)
templar = Templar(loader=self._loader, variables=all_vars)
if templar._contains_vars(role_name):
role_name = templar.template(role_name)
return role_name
def _get_loop_items(self):
'''
Loads a lookup plugin to handle the with_* portion of a task (if specified),
and returns the items result.
'''
# save the play context variables to a temporary dictionary,
# so that we can modify the job vars without doing a full copy
# and later restore them to avoid modifying things too early
play_context_vars = dict()
self._play_context.update_vars(play_context_vars)
old_vars = dict()
for k in play_context_vars.keys():
if k in self._job_vars:
old_vars[k] = self._job_vars[k]
self._job_vars[k] = play_context_vars[k]
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=self._job_vars)
items = None
if self._task.loop:
if self._task.loop in self._shared_loader_obj.lookup_loader:
#TODO: remove convert_bare true and deprecate this in with_
if self._task.loop == 'first_found':
# first_found loops are special. If the item is undefined
# then we want to fall through to the next value rather
# than failing.
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar,
loader=self._loader, fail_on_undefined=False, convert_bare=True)
loop_terms = [t for t in loop_terms if not templar._contains_vars(t)]
else:
try:
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar,
loader=self._loader, fail_on_undefined=True, convert_bare=True)
except AnsibleUndefinedVariable as e:
if u'has no attribute' in to_unicode(e):
loop_terms = []
display.deprecated("Skipping task due to undefined attribute, in the future this will be a fatal error.")
else:
raise
items = self._shared_loader_obj.lookup_loader.get(self._task.loop, loader=self._loader,
templar=templar).run(terms=loop_terms, variables=self._job_vars)
else:
raise AnsibleError("Unexpected failure in finding the lookup named '%s' in the available lookup plugins" % self._task.loop)
# now we restore any old job variables that may have been modified,
# and delete them if they were in the play context vars but not in
# the old variables dictionary
for k in play_context_vars.keys():
if k in old_vars:
self._job_vars[k] = old_vars[k]
else:
del self._job_vars[k]
if items:
from ansible.vars.unsafe_proxy import UnsafeProxy
for idx, item in enumerate(items):
if item is not None and not isinstance(item, UnsafeProxy):
items[idx] = UnsafeProxy(item)
return items
def _squash_items(self, items, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
if len(items) > 0 and self._task.action in self.SQUASH_ACTIONS:
if all(isinstance(o, string_types) for o in items):
final_items = []
name = self._task.args.pop(
'name', None) or self._task.args.pop('pkg', None)
for item in items:
variables['item'] = item
templar = Templar(
loader=self._loader,
shared_loader_obj=self._shared_loader_obj,
variables=variables)
if self._task.evaluate_conditional(templar, variables):
if templar._contains_vars(name):
new_item = templar.template(name)
final_items.append(new_item)
else:
final_items.append(item)
self._task.args['name'] = final_items
return [final_items]
# Right now we only optimize single entries. In the future we
# could optimize more types:
# * lists can be squashed together
# * dicts could squash entries that match in all cases except the
# name or pkg field.
# Note: we really should be checking that the name or pkg field
# contains a template that expands with our with_items values.
# If it doesn't then we may break things
return items
def _get_loop_items(self):
'''
Loads a lookup plugin to handle the with_* portion of a task (if specified),
and returns the items result.
'''
# save the play context variables to a temporary dictionary,
# so that we can modify the job vars without doing a full copy
# and later restore them to avoid modifying things too early
play_context_vars = dict()
self._play_context.update_vars(play_context_vars)
old_vars = dict()
for k in play_context_vars.keys():
if k in self._job_vars:
old_vars[k] = self._job_vars[k]
self._job_vars[k] = play_context_vars[k]
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=self._job_vars)
items = None
if self._task.loop:
if self._task.loop in self._shared_loader_obj.lookup_loader:
#TODO: remove convert_bare true and deprecate this in with_
if self._task.loop == 'first_found':
# first_found loops are special. If the item is undefined
# then we want to fall through to the next value rather
# than failing.
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar,
loader=self._loader, fail_on_undefined=False, convert_bare=True)
loop_terms = [t for t in loop_terms if not templar._contains_vars(t)]
else:
try:
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar,
loader=self._loader, fail_on_undefined=True, convert_bare=True)
except AnsibleUndefinedVariable as e:
if u'has no attribute' in to_unicode(e):
loop_terms = []
display.deprecated("Skipping task due to undefined attribute, in the future this will be a fatal error.")
else:
raise
items = self._shared_loader_obj.lookup_loader.get(self._task.loop, loader=self._loader,
templar=templar).run(terms=loop_terms, variables=self._job_vars)
else:
raise AnsibleError("Unexpected failure in finding the lookup named '%s' in the available lookup plugins" % self._task.loop)
# now we restore any old job variables that may have been modified,
# and delete them if they were in the play context vars but not in
# the old variables dictionary
for k in play_context_vars.keys():
if k in old_vars:
self._job_vars[k] = old_vars[k]
else:
del self._job_vars[k]
if items:
from ansible.vars.unsafe_proxy import UnsafeProxy
for idx, item in enumerate(items):
if item is not None and not isinstance(item, UnsafeProxy):
items[idx] = UnsafeProxy(item)
return items
def _normalize_parameters(self, thing, action=None, additional_args=None):
'''
arguments can be fuzzy. Deal with all the forms.
'''
additional_args = {} if additional_args is None else additional_args
# final args are the ones we'll eventually return, so first update
# them with any additional args specified, which have lower priority
# than those which may be parsed/normalized next
final_args = dict()
if additional_args:
if isinstance(additional_args, string_types):
templar = Templar(loader=None)
if templar._contains_vars(additional_args):
final_args['_variable_params'] = additional_args
else:
raise AnsibleParserError(
"Complex args containing variables cannot use bare variables (without Jinja2 delimiters), "
"and must use the full variable style ('{{var_name}}')"
)
elif isinstance(additional_args, dict):
final_args.update(additional_args)
else:
raise AnsibleParserError(
'Complex args must be a dictionary or variable string ("{{var}}").'
)
# how we normalize depends if we figured out what the module name is
# yet. If we have already figured it out, it's a 'new style' invocation.
# otherwise, it's not
if action is not None:
args = self._normalize_new_style_args(thing, action)
else:
(action, args) = self._normalize_old_style_args(thing)
# this can occasionally happen, simplify
if args and 'args' in args:
tmp_args = args.pop('args')
if isinstance(tmp_args, string_types):
tmp_args = parse_kv(tmp_args)
args.update(tmp_args)
# only internal variables can start with an underscore, so
# we don't allow users to set them directly in arguments
if args and action not in FREEFORM_ACTIONS:
for arg in args:
arg = to_text(arg)
if arg.startswith('_ansible_'):
raise AnsibleError(
"invalid parameter specified for action '%s': '%s'" %
(action, arg))
# finally, update the args we're going to return with the ones
# which were normalized above
if args:
final_args.update(args)
return (action, final_args)
def _squash_items(self, items, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
# _task.action could contain templatable strings (via action: and
# local_action:) Template it before comparing. If we don't end up
# optimizing it here, the templatable string might use template vars
# that aren't available until later (it could even use vars from the
# with_items loop) so don't make the templated string permanent yet.
templar = Templar(loader=self._loader,
shared_loader_obj=self._shared_loader_obj,
variables=variables)
task_action = self._task.action
if templar._contains_vars(task_action):
task_action = templar.template(task_action,
fail_on_undefined=False)
if len(items) > 0 and task_action in self.SQUASH_ACTIONS:
if all(isinstance(o, string_types) for o in items):
final_items = []
name = self._task.args.pop(
'name', None) or self._task.args.pop('pkg', None)
# The user is doing an upgrade or some other operation
# that doesn't take name or pkg.
if name:
for item in items:
variables['item'] = item
if self._task.evaluate_conditional(templar, variables):
if templar._contains_vars(name):
new_item = templar.template(name, cache=False)
final_items.append(new_item)
else:
final_items.append(item)
self._task.args['name'] = final_items
return [final_items]
#elif:
# Right now we only optimize single entries. In the future we
# could optimize more types:
# * lists can be squashed together
# * dicts could squash entries that match in all cases except the
# name or pkg field.
# Note: we really should be checking that the name or pkg field
# contains a template that expands with our with_items values.
# If it doesn't then we may break things
return items
def _get_loop_items(self):
'''
Loads a lookup plugin to handle the with_* portion of a task (if specified),
and returns the items result.
'''
# save the play context variables to a temporary dictionary,
# so that we can modify the job vars without doing a full copy
# and later restore them to avoid modifying things too early
play_context_vars = dict()
self._play_context.update_vars(play_context_vars)
old_vars = dict()
for k in play_context_vars:
if k in self._job_vars:
old_vars[k] = self._job_vars[k]
self._job_vars[k] = play_context_vars[k]
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=self._job_vars)
items = None
if self._task.loop:
if self._task.loop in self._shared_loader_obj.lookup_loader:
if self._task.loop == 'first_found':
# first_found loops are special. If the item is undefined then we want to fall through to the next value rather than failing.
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar, loader=self._loader, fail_on_undefined=False, convert_bare=False)
loop_terms = [t for t in loop_terms if not templar._contains_vars(t)]
else:
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar, loader=self._loader, fail_on_undefined=True, convert_bare=False)
# get lookup
mylookup = self._shared_loader_obj.lookup_loader.get(self._task.loop, loader=self._loader, templar=templar)
# give lookup task 'context' for subdir (mostly needed for first_found)
for subdir in ['template', 'var', 'file']: # TODO: move this to constants?
if subdir in self._task.action:
break
setattr(mylookup,'_subdir', subdir + 's')
# run lookup
items = mylookup.run(terms=loop_terms, variables=self._job_vars, wantlist=True)
else:
raise AnsibleError("Unexpected failure in finding the lookup named '%s' in the available lookup plugins" % self._task.loop)
# now we restore any old job variables that may have been modified,
# and delete them if they were in the play context vars but not in
# the old variables dictionary
for k in play_context_vars:
if k in old_vars:
self._job_vars[k] = old_vars[k]
else:
del self._job_vars[k]
if items:
from ansible.vars.unsafe_proxy import UnsafeProxy
for idx, item in enumerate(items):
if item is not None and not isinstance(item, UnsafeProxy):
items[idx] = UnsafeProxy(item)
return items
def escape_values(confs):
from ansible.template import Templar
helper = Templar(None)
for k in confs:
value = confs[k]
if helper._contains_vars(value):
confs[k] = '{% raw %}' + value + '{% endraw %}'
return confs
def _squash_items(self, items, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
# _task.action could contain templatable strings (via action: and
# local_action:) Template it before comparing. If we don't end up
# optimizing it here, the templatable string might use template vars
# that aren't available until later (it could even use vars from the
# with_items loop) so don't make the templated string permanent yet.
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=variables)
task_action = self._task.action
if templar._contains_vars(task_action):
task_action = templar.template(task_action, fail_on_undefined=False)
if len(items) > 0 and task_action in self.SQUASH_ACTIONS:
if all(isinstance(o, string_types) for o in items):
final_items = []
name = self._task.args.pop('name', None) or self._task.args.pop('pkg', None)
# The user is doing an upgrade or some other operation
# that doesn't take name or pkg.
if name:
for item in items:
variables['item'] = item
if self._task.evaluate_conditional(templar, variables):
if templar._contains_vars(name):
new_item = templar.template(name, cache=False)
final_items.append(new_item)
else:
final_items.append(item)
self._task.args['name'] = final_items
return [final_items]
#elif:
# Right now we only optimize single entries. In the future we
# could optimize more types:
# * lists can be squashed together
# * dicts could squash entries that match in all cases except the
# name or pkg field.
# Note: we really should be checking that the name or pkg field
# contains a template that expands with our with_items values.
# If it doesn't then we may break things
return items
def _normalize_parameters(self, thing, action=None, additional_args=dict()):
'''
arguments can be fuzzy. Deal with all the forms.
'''
# final args are the ones we'll eventually return, so first update
# them with any additional args specified, which have lower priority
# than those which may be parsed/normalized next
final_args = dict()
if additional_args:
if isinstance(additional_args, string_types):
templar = Templar(loader=None)
if templar._contains_vars(additional_args):
final_args['_variable_params'] = additional_args
else:
raise AnsibleParserError("Complex args containing variables cannot use bare variables, and must use the full variable style ('{{var_name}}')")
elif isinstance(additional_args, dict):
final_args.update(additional_args)
else:
raise AnsibleParserError('Complex args must be a dictionary or variable string ("{{var}}").')
# how we normalize depends if we figured out what the module name is
# yet. If we have already figured it out, it's an 'old style' invocation.
# otherwise, it's not
if action is not None:
args = self._normalize_old_style_args(thing, action)
else:
(action, args) = self._normalize_new_style_args(thing)
# this can occasionally happen, simplify
if args and 'args' in args:
tmp_args = args.pop('args')
if isinstance(tmp_args, string_types):
tmp_args = parse_kv(tmp_args)
args.update(tmp_args)
# only internal variables can start with an underscore, so
# we don't allow users to set them directy in arguments
if args and action not in ('command', 'win_command', 'shell', 'win_shell', 'script', 'raw'):
for arg in args:
arg = to_text(arg)
if arg.startswith('_ansible_'):
raise AnsibleError("invalid parameter specified for action '%s': '%s'" % (action, arg))
# finally, update the args we're going to return with the ones
# which were normalized above
if args:
final_args.update(args)
return (action, final_args)
def do_role(self, action_plugin, action, role_args):
# we import here to prevent a circular dependency with imports
from ansible.playbook.block import Block
from ansible.playbook.handler import Handler
from ansible.playbook.task import Task
from ansible.playbook.task_include import TaskInclude
from ansible.playbook.role_include import IncludeRole
from ansible.playbook.handler_task_include import HandlerTaskInclude
from ansible.template import Templar
# task_ds: {u'import_role': u'name=jfc'}
# block: BLOCK(uuid=3c970ebc-f5b7-5e5a-59fe-...)(id=...)(parent=None)
# role: None
# variable_manager: <ansible.vars.manager.VariableManager object at ...>
# loader: <ansible.parsing.dataloader.DataLoader object at ...>
task_ds = {'include_role': 'name=' + self.repo}
#task_ds.update(role_args)
#import epdb; epdb.st()
ir = IncludeRole.load(
task_ds,
block=None,
role=None,
task_include=None,
variable_manager={},
loader=None,
)
import epdb; epdb.st()
# we set a flag to indicate this include was static
ir.statically_loaded = True
# template the role name now, if needed
all_vars = variable_manager.get_vars(play=play, task=ir)
templar = Templar(loader=loader, variables=all_vars)
if templar._contains_vars(ir._role_name):
ir._role_name = templar.template(ir._role_name)
# uses compiled list from object
blocks, _ = ir.get_block_list(variable_manager=variable_manager, loader=loader)
task_list.extend(blocks)
def _squash_items(self, items, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
if len(items) > 0 and self._task.action in self.SQUASH_ACTIONS:
final_items = []
name = self._task.args.pop('name', None) or self._task.args.pop('pkg', None)
for item in items:
variables['item'] = item
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=variables)
if self._task.evaluate_conditional(templar, variables):
if templar._contains_vars(name):
new_item = templar.template(name)
final_items.append(new_item)
else:
final_items.append(item)
joined_items = ",".join(final_items)
self._task.args['name'] = joined_items
return [joined_items]
else:
return items
def _load_role_name(self, ds):
'''
Returns the role name (either the role: or name: field) from
the role definition, or (when the role definition is a simple
string), just that string
'''
if isinstance(ds, string_types):
return ds
role_name = ds.get('role', ds.get('name'))
if not role_name or not isinstance(role_name, string_types):
raise AnsibleError('role definitions must contain a role name', obj=ds)
# if we have the required datastructures, and if the role_name
# contains a variable, try and template it now
if self._variable_manager:
all_vars = self._variable_manager.get_vars(play=self._play)
templar = Templar(loader=self._loader, variables=all_vars)
if templar._contains_vars(role_name):
role_name = templar.template(role_name)
return role_name
def parse(self):
'''
Given a task in one of the supported forms, parses and returns
returns the action, arguments, and delegate_to values for the
task, dealing with all sorts of levels of fuzziness.
'''
thing = None
action = None
connection = self._task_ds.get('connection', None)
args = dict()
# this is the 'extra gross' scenario detailed above, so we grab
# the args and pass them in as additional arguments, which can/will
# be overwritten via dict updates from the other arg sources below
# FIXME: add test cases for this
additional_args = self._task_ds.get('args', dict())
# We can have one of action, local_action, or module specified
# action
if 'action' in self._task_ds:
# an old school 'action' statement
thing = self._task_ds['action']
action, args = self._normalize_parameters(thing, additional_args=additional_args)
# local_action
if 'local_action' in self._task_ds:
# local_action is similar but also implies a connection='local'
if action is not None:
raise AnsibleParserError("action and local_action are mutually exclusive", obj=self._task_ds)
thing = self._task_ds.get('local_action', '')
connection = 'local'
action, args = self._normalize_parameters(thing, additional_args=additional_args)
# module: <stuff> is the more new-style invocation
# walk the input dictionary to see we recognize a module name
for (item, value) in iteritems(self._task_ds):
if item in module_loader or item == 'meta' or item == 'include':
# finding more than one module name is a problem
if action is not None:
raise AnsibleParserError("conflicting action statements", obj=self._task_ds)
action = item
thing = value
action, args = self._normalize_parameters(value, action=action, additional_args=additional_args)
# if we didn't see any module in the task at all, it's not a task really
if action is None:
raise AnsibleParserError("no action detected in task", obj=self._task_ds)
elif args.get('_raw_params', '') != '' and action not in RAW_PARAM_MODULES:
templar = Templar(loader=None)
raw_params = args.pop('_raw_params')
if templar._contains_vars(raw_params):
args['_variable_params'] = raw_params
else:
raise AnsibleParserError("this task '%s' has extra params, which is only allowed in the following modules: %s" % (action, ", ".join(RAW_PARAM_MODULES)), obj=self._task_ds)
# shell modules require special handling
(action, args) = self._handle_shell_weirdness(action, args)
return (action, args, connection)
def parse(self):
'''
Given a task in one of the supported forms, parses and returns
returns the action, arguments, and delegate_to values for the
task, dealing with all sorts of levels of fuzziness.
'''
thing = None
action = None
delegate_to = self._task_ds.get('delegate_to', None)
args = dict()
# This is the standard YAML form for command-type modules. We grab
# the args and pass them in as additional arguments, which can/will
# be overwritten via dict updates from the other arg sources below
additional_args = self._task_ds.get('args', dict())
# We can have one of action, local_action, or module specified
# action
if 'action' in self._task_ds:
# an old school 'action' statement
thing = self._task_ds['action']
action, args = self._normalize_parameters(
thing, action=action, additional_args=additional_args)
# local_action
if 'local_action' in self._task_ds:
# local_action is similar but also implies a delegate_to
if action is not None:
raise AnsibleParserError(
"action and local_action are mutually exclusive",
obj=self._task_ds)
thing = self._task_ds.get('local_action', '')
delegate_to = 'localhost'
action, args = self._normalize_parameters(
thing, action=action, additional_args=additional_args)
# module: <stuff> is the more new-style invocation
# walk the input dictionary to see we recognize a module name
for (item, value) in iteritems(self._task_ds):
if item in module_loader or item in action_loader or item in [
'meta', 'include', 'include_tasks', 'include_role',
'import_tasks', 'import_role'
]:
# finding more than one module name is a problem
if action is not None:
raise AnsibleParserError(
"conflicting action statements: %s, %s" %
(action, item),
obj=self._task_ds)
action = item
thing = value
action, args = self._normalize_parameters(
thing, action=action, additional_args=additional_args)
# if we didn't see any module in the task at all, it's not a task really
if action is None:
if 'ping' not in module_loader:
raise AnsibleParserError(
"The requested action was not found in configured module paths. "
"Additionally, core modules are missing. If this is a checkout, "
"run 'git pull --rebase' to correct this problem.",
obj=self._task_ds)
else:
raise AnsibleParserError(
"no action detected in task. This often indicates a misspelled module name, or incorrect module path.",
obj=self._task_ds)
elif args.get('_raw_params',
'') != '' and action not in RAW_PARAM_MODULES:
templar = Templar(loader=None)
raw_params = args.pop('_raw_params')
if templar._contains_vars(raw_params):
args['_variable_params'] = raw_params
else:
raise AnsibleParserError(
"this task '%s' has extra params, which is only allowed in the following modules: %s"
% (action, ", ".join(RAW_PARAM_MODULES)),
obj=self._task_ds)
# shell modules require special handling
(action, args) = self._handle_shell_weirdness(action, args)
return (action, args, delegate_to)
def _get_loop_items(self):
'''
Loads a lookup plugin to handle the with_* portion of a task (if specified),
and returns the items result.
'''
# save the play context variables to a temporary dictionary,
# so that we can modify the job vars without doing a full copy
# and later restore them to avoid modifying things too early
play_context_vars = dict()
self._play_context.update_vars(play_context_vars)
old_vars = dict()
for k in play_context_vars:
if k in self._job_vars:
old_vars[k] = self._job_vars[k]
self._job_vars[k] = play_context_vars[k]
# get search path for this task to pass to lookup plugins
self._job_vars['ansible_search_path'] = self._task.get_search_path()
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=self._job_vars)
items = None
if self._task.loop:
if self._task.loop in self._shared_loader_obj.lookup_loader:
if self._task.loop == 'first_found':
# first_found loops are special. If the item is undefined then we want to fall through to the next value rather than failing.
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar, loader=self._loader, fail_on_undefined=False, convert_bare=False)
loop_terms = [t for t in loop_terms if not templar._contains_vars(t)]
else:
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop_args, templar=templar, loader=self._loader, fail_on_undefined=True, convert_bare=False)
# get lookup
mylookup = self._shared_loader_obj.lookup_loader.get(self._task.loop, loader=self._loader, templar=templar)
# give lookup task 'context' for subdir (mostly needed for first_found)
for subdir in ['template', 'var', 'file']: # TODO: move this to constants?
if subdir in self._task.action:
break
setattr(mylookup,'_subdir', subdir + 's')
# run lookup
items = mylookup.run(terms=loop_terms, variables=self._job_vars, wantlist=True)
else:
raise AnsibleError("Unexpected failure in finding the lookup named '%s' in the available lookup plugins" % self._task.loop)
# now we restore any old job variables that may have been modified,
# and delete them if they were in the play context vars but not in
# the old variables dictionary
for k in play_context_vars:
if k in old_vars:
self._job_vars[k] = old_vars[k]
else:
del self._job_vars[k]
if items:
from ansible.vars.unsafe_proxy import UnsafeProxy
for idx, item in enumerate(items):
if item is not None and not isinstance(item, UnsafeProxy):
items[idx] = UnsafeProxy(item)
# ensure basedir is always in (dwim already searches here but we need to display it)
if self._loader.get_basedir() not in self._job_vars['ansible_search_path']:
self._job_vars['ansible_search_path'].append(self._loader.get_basedir())
return items
def _get_loop_items(self):
'''
Loads a lookup plugin to handle the with_* portion of a task (if specified),
and returns the items result.
'''
# create a copy of the job vars here so that we can modify
# them temporarily without changing them too early for other
# parts of the code that might still need a pristine version
#vars_copy = self._job_vars.copy()
vars_copy = self._job_vars
# now we update them with the play context vars
self._play_context.update_vars(vars_copy)
templar = Templar(loader=self._loader,
shared_loader_obj=self._shared_loader_obj,
variables=vars_copy)
items = None
if self._task.loop:
if self._task.loop in self._shared_loader_obj.lookup_loader:
#TODO: remove convert_bare true and deprecate this in with_
if self._task.loop == 'first_found':
# first_found loops are special. If the item is undefined
# then we want to fall through to the next value rather
# than failing.
loop_terms = listify_lookup_plugin_terms(
terms=self._task.loop_args,
templar=templar,
loader=self._loader,
fail_on_undefined=False,
convert_bare=True)
loop_terms = [
t for t in loop_terms if not templar._contains_vars(t)
]
else:
try:
loop_terms = listify_lookup_plugin_terms(
terms=self._task.loop_args,
templar=templar,
loader=self._loader,
fail_on_undefined=True,
convert_bare=True)
except AnsibleUndefinedVariable as e:
if 'has no attribute' in str(e):
loop_terms = []
display.deprecated(
"Skipping task due to undefined attribute, in the future this will be a fatal error."
)
else:
raise
items = self._shared_loader_obj.lookup_loader.get(
self._task.loop, loader=self._loader,
templar=templar).run(terms=loop_terms, variables=vars_copy)
else:
raise AnsibleError(
"Unexpected failure in finding the lookup named '%s' in the available lookup plugins"
% self._task.loop)
if items:
from ansible.vars.unsafe_proxy import UnsafeProxy
for idx, item in enumerate(items):
if item is not None and not isinstance(item, UnsafeProxy):
items[idx] = UnsafeProxy(item)
return items
def load_list_of_tasks(ds,
play,
block=None,
role=None,
task_include=None,
use_handlers=False,
variable_manager=None,
loader=None):
'''
Given a list of task datastructures (parsed from YAML),
return a list of Task() or TaskInclude() objects.
'''
# we import here to prevent a circular dependency with imports
from ansible.playbook.block import Block
from ansible.playbook.handler import Handler
from ansible.playbook.task import Task
from ansible.playbook.task_include import TaskInclude
from ansible.playbook.role_include import IncludeRole
from ansible.playbook.handler_task_include import HandlerTaskInclude
from ansible.template import Templar
if not isinstance(ds, list):
raise AnsibleAssertionError(
'The ds (%s) should be a list but was a %s' % (ds, type(ds)))
task_list = []
for task_ds in ds:
if not isinstance(task_ds, dict):
AnsibleAssertionError('The ds (%s) should be a dict but was a %s' %
(ds, type(ds)))
if 'block' in task_ds:
t = Block.load(
task_ds,
play=play,
parent_block=block,
role=role,
task_include=task_include,
use_handlers=use_handlers,
variable_manager=variable_manager,
loader=loader,
)
task_list.append(t)
else:
args_parser = ModuleArgsParser(task_ds)
try:
(action, args, delegate_to) = args_parser.parse()
except AnsibleParserError as e:
# if the raises exception was created with obj=ds args, then it includes the detail
# so we dont need to add it so we can just re raise.
if e._obj:
raise
# But if it wasn't, we can add the yaml object now to get more detail
raise AnsibleParserError(to_native(e), obj=task_ds, orig_exc=e)
if action in ('include', 'import_tasks', 'include_tasks'):
if use_handlers:
include_class = HandlerTaskInclude
else:
include_class = TaskInclude
t = include_class.load(task_ds,
block=block,
role=role,
task_include=None,
variable_manager=variable_manager,
loader=loader)
all_vars = variable_manager.get_vars(play=play, task=t)
templar = Templar(loader=loader, variables=all_vars)
# check to see if this include is dynamic or static:
# 1. the user has set the 'static' option to false or true
# 2. one of the appropriate config options was set
if action == 'include_tasks':
is_static = False
elif action == 'import_tasks':
is_static = True
elif t.static is not None:
display.deprecated(
"The use of 'static' has been deprecated. "
"Use 'import_tasks' for static inclusion, or 'include_tasks' for dynamic inclusion",
version='2.12')
is_static = t.static
else:
is_static = C.DEFAULT_TASK_INCLUDES_STATIC or \
(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
(not templar._contains_vars(t.args['_raw_params']) and t.all_parents_static() and not t.loop)
if is_static:
if t.loop is not None:
if action == 'import_tasks':
raise AnsibleParserError(
"You cannot use loops on 'import_tasks' statements. You should use 'include_tasks' instead.",
obj=task_ds)
else:
raise AnsibleParserError(
"You cannot use 'static' on an include with a loop",
obj=task_ds)
# we set a flag to indicate this include was static
t.statically_loaded = True
# handle relative includes by walking up the list of parent include
# tasks and checking the relative result to see if it exists
parent_include = block
cumulative_path = None
found = False
subdir = 'tasks'
if use_handlers:
subdir = 'handlers'
while parent_include is not None:
if not isinstance(parent_include, TaskInclude):
parent_include = parent_include._parent
continue
try:
parent_include_dir = os.path.dirname(
templar.template(
parent_include.args.get('_raw_params')))
except AnsibleUndefinedVariable as e:
if not parent_include.statically_loaded:
raise AnsibleParserError(
"Error when evaluating variable in dynamic parent include path: %s. "
"When using static imports, the parent dynamic include cannot utilize host facts "
"or variables from inventory" %
parent_include.args.get('_raw_params'),
obj=task_ds,
suppress_extended_error=True,
orig_exc=e)
raise
if cumulative_path is None:
cumulative_path = parent_include_dir
elif not os.path.isabs(cumulative_path):
cumulative_path = os.path.join(
parent_include_dir, cumulative_path)
include_target = templar.template(
t.args['_raw_params'])
if t._role:
new_basedir = os.path.join(t._role._role_path,
subdir, cumulative_path)
include_file = loader.path_dwim_relative(
new_basedir, subdir, include_target)
else:
include_file = loader.path_dwim_relative(
loader.get_basedir(), cumulative_path,
include_target)
if os.path.exists(include_file):
found = True
break
else:
parent_include = parent_include._parent
if not found:
try:
include_target = templar.template(
t.args['_raw_params'])
except AnsibleUndefinedVariable as e:
raise AnsibleParserError(
"Error when evaluating variable in import path: %s.\n\n"
"When using static imports, ensure that any variables used in their names are defined in vars/vars_files\n"
"or extra-vars passed in from the command line. Static imports cannot use variables from facts or inventory\n"
"sources like group or host vars." %
t.args['_raw_params'],
obj=task_ds,
suppress_extended_error=True,
orig_exc=e)
if t._role:
include_file = loader.path_dwim_relative(
t._role._role_path, subdir, include_target)
else:
include_file = loader.path_dwim(include_target)
try:
data = loader.load_from_file(include_file)
if data is None:
display.warning(
'file %s is empty and had no tasks to include'
% include_file)
continue
elif not isinstance(data, list):
raise AnsibleParserError(
"included task files must contain a list of tasks",
obj=data)
# since we can't send callbacks here, we display a message directly in
# the same fashion used by the on_include callback. We also do it here,
# because the recursive nature of helper methods means we may be loading
# nested includes, and we want the include order printed correctly
display.vv("statically imported: %s" % include_file)
except AnsibleFileNotFound:
if action != 'include' or t.static or \
C.DEFAULT_TASK_INCLUDES_STATIC or \
C.DEFAULT_HANDLER_INCLUDES_STATIC and use_handlers:
raise
display.deprecated(
"Included file '%s' not found, however since this include is not "
"explicitly marked as 'static: yes', we will try and include it dynamically "
"later. In the future, this will be an error unless 'static: no' is used "
"on the include task. If you do not want missing includes to be considered "
"dynamic, use 'static: yes' on the include or set the global ansible.cfg "
"options to make all includes static for tasks and/or handlers"
% include_file,
version="2.12")
task_list.append(t)
continue
ti_copy = t.copy(exclude_parent=True)
ti_copy._parent = block
included_blocks = load_list_of_blocks(
data,
play=play,
parent_block=None,
task_include=ti_copy,
role=role,
use_handlers=use_handlers,
loader=loader,
variable_manager=variable_manager,
)
# FIXME: remove once 'include' is removed
# pop tags out of the include args, if they were specified there, and assign
# them to the include. If the include already had tags specified, we raise an
# error so that users know not to specify them both ways
tags = ti_copy.vars.pop('tags', [])
if isinstance(tags, string_types):
tags = tags.split(',')
if len(tags) > 0:
if action in ('include_tasks', 'import_tasks'):
raise AnsibleParserError(
'You cannot specify "tags" inline to the task, it is a task keyword'
)
if len(ti_copy.tags) > 0:
raise AnsibleParserError(
"Include tasks should not specify tags in more than one way (both via args and directly on the task). "
"Mixing styles in which tags are specified is prohibited for whole import hierarchy, not only for single import statement",
obj=task_ds,
suppress_extended_error=True,
)
display.deprecated(
"You should not specify tags in the include parameters. All tags should be specified using the task-level option",
version="2.12")
else:
tags = ti_copy.tags[:]
# now we extend the tags on each of the included blocks
for b in included_blocks:
b.tags = list(set(b.tags).union(tags))
# END FIXME
# FIXME: handlers shouldn't need this special handling, but do
# right now because they don't iterate blocks correctly
if use_handlers:
for b in included_blocks:
task_list.extend(b.block)
else:
task_list.extend(included_blocks)
else:
t.is_static = False
task_list.append(t)
elif action in ('include_role', 'import_role'):
ir = IncludeRole.load(
task_ds,
block=block,
role=role,
task_include=None,
variable_manager=variable_manager,
loader=loader,
)
# 1. the user has set the 'static' option to false or true
# 2. one of the appropriate config options was set
is_static = False
if action == 'import_role':
is_static = True
elif ir.static is not None:
display.deprecated(
"The use of 'static' for 'include_role' has been deprecated. "
"Use 'import_role' for static inclusion, or 'include_role' for dynamic inclusion",
version='2.12')
is_static = ir.static
if is_static:
if ir.loop is not None:
if action == 'import_role':
raise AnsibleParserError(
"You cannot use loops on 'import_role' statements. You should use 'include_role' instead.",
obj=task_ds)
else:
raise AnsibleParserError(
"You cannot use 'static' on an include_role with a loop",
obj=task_ds)
# we set a flag to indicate this include was static
ir.statically_loaded = True
# template the role name now, if needed
all_vars = variable_manager.get_vars(play=play, task=ir)
templar = Templar(loader=loader, variables=all_vars)
if templar._contains_vars(ir._role_name):
ir._role_name = templar.template(ir._role_name)
# uses compiled list from object
blocks, _ = ir.get_block_list(
variable_manager=variable_manager, loader=loader)
task_list.extend(blocks)
else:
# passes task object itself for latter generation of list
task_list.append(ir)
else:
if use_handlers:
t = Handler.load(task_ds,
block=block,
role=role,
task_include=task_include,
variable_manager=variable_manager,
loader=loader)
else:
t = Task.load(task_ds,
block=block,
role=role,
task_include=task_include,
variable_manager=variable_manager,
loader=loader)
task_list.append(t)
return task_list
def _get_loop_items(self):
'''
Loads a lookup plugin to handle the with_* portion of a task (if specified),
and returns the items result.
'''
# save the play context variables to a temporary dictionary,
# so that we can modify the job vars without doing a full copy
# and later restore them to avoid modifying things too early
play_context_vars = dict()
self._play_context.update_vars(play_context_vars)
old_vars = dict()
for k in play_context_vars:
if k in self._job_vars:
old_vars[k] = self._job_vars[k]
self._job_vars[k] = play_context_vars[k]
# get search path for this task to pass to lookup plugins
self._job_vars['ansible_search_path'] = self._task.get_search_path()
templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=self._job_vars)
items = None
if self._task.loop_with:
if self._task.loop_with in self._shared_loader_obj.lookup_loader:
fail = True
if self._task.loop_with == 'first_found':
# first_found loops are special. If the item is undefined then we want to fall through to the next value rather than failing.
fail = False
loop_terms = listify_lookup_plugin_terms(terms=self._task.loop, templar=templar, loader=self._loader, fail_on_undefined=fail,
convert_bare=False)
if not fail:
loop_terms = [t for t in loop_terms if not templar._contains_vars(t)]
# get lookup
mylookup = self._shared_loader_obj.lookup_loader.get(self._task.loop_with, loader=self._loader, templar=templar)
# give lookup task 'context' for subdir (mostly needed for first_found)
for subdir in ['template', 'var', 'file']: # TODO: move this to constants?
if subdir in self._task.action:
break
setattr(mylookup, '_subdir', subdir + 's')
# run lookup
items = mylookup.run(terms=loop_terms, variables=self._job_vars, wantlist=True)
else:
raise AnsibleError("Unexpected failure in finding the lookup named '%s' in the available lookup plugins" % self._task.loop_with)
elif self._task.loop:
items = templar.template(self._task.loop)
if not isinstance(items, list):
raise AnsibleError(
"Invalid data passed to 'loop', it requires a list, got this instead: %s."
" Hint: If you passed a list/dict of just one element,"
" try adding wantlist=True to your lookup invocation or use q/query instead of lookup." % items
)
# now we restore any old job variables that may have been modified,
# and delete them if they were in the play context vars but not in
# the old variables dictionary
for k in play_context_vars:
if k in old_vars:
self._job_vars[k] = old_vars[k]
else:
del self._job_vars[k]
if items:
for idx, item in enumerate(items):
if item is not None and not isinstance(item, UnsafeProxy):
items[idx] = UnsafeProxy(item)
# ensure basedir is always in (dwim already searches here but we need to display it)
if self._loader.get_basedir() not in self._job_vars['ansible_search_path']:
self._job_vars['ansible_search_path'].append(self._loader.get_basedir())
return items
def load_list_of_tasks(ds,
play,
block=None,
role=None,
task_include=None,
use_handlers=False,
variable_manager=None,
loader=None):
'''
Given a list of task datastructures (parsed from YAML),
return a list of Task() or TaskInclude() objects.
'''
# we import here to prevent a circular dependency with imports
from ansible.playbook.block import Block
from ansible.playbook.handler import Handler
from ansible.playbook.task import Task
from ansible.playbook.task_include import TaskInclude
from ansible.playbook.role_include import IncludeRole
from ansible.playbook.handler_task_include import HandlerTaskInclude
from ansible.template import Templar
assert isinstance(ds, list)
task_list = []
for task_ds in ds:
assert isinstance(task_ds, dict)
if 'block' in task_ds:
t = Block.load(
task_ds,
play=play,
parent_block=block,
role=role,
task_include=task_include,
use_handlers=use_handlers,
variable_manager=variable_manager,
loader=loader,
)
task_list.append(t)
else:
if 'include' in task_ds:
if use_handlers:
include_class = HandlerTaskInclude
else:
include_class = TaskInclude
t = include_class.load(task_ds,
block=block,
role=role,
task_include=None,
variable_manager=variable_manager,
loader=loader)
all_vars = variable_manager.get_vars(loader=loader,
play=play,
task=t)
templar = Templar(loader=loader, variables=all_vars)
# check to see if this include is dynamic or static:
# 1. the user has set the 'static' option to false or true
# 2. one of the appropriate config options was set
if t.static is not None:
is_static = t.static
else:
is_static = C.DEFAULT_TASK_INCLUDES_STATIC or \
(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
(not templar._contains_vars(t.args['_raw_params']) and t.all_parents_static() and not t.loop)
if is_static:
if t.loop is not None:
raise AnsibleParserError(
"You cannot use 'static' on an include with a loop",
obj=task_ds)
# we set a flag to indicate this include was static
t.statically_loaded = True
# handle relative includes by walking up the list of parent include
# tasks and checking the relative result to see if it exists
parent_include = block
cumulative_path = None
found = False
subdir = 'tasks'
if use_handlers:
subdir = 'handlers'
while parent_include is not None:
if not isinstance(parent_include, TaskInclude):
parent_include = parent_include._parent
continue
parent_include_dir = templar.template(
os.path.dirname(
parent_include.args.get('_raw_params')))
if cumulative_path is None:
cumulative_path = parent_include_dir
elif not os.path.isabs(cumulative_path):
cumulative_path = os.path.join(
parent_include_dir, cumulative_path)
include_target = templar.template(
t.args['_raw_params'])
if t._role:
new_basedir = os.path.join(t._role._role_path,
subdir, cumulative_path)
include_file = loader.path_dwim_relative(
new_basedir, subdir, include_target)
else:
include_file = loader.path_dwim_relative(
loader.get_basedir(), cumulative_path,
include_target)
if os.path.exists(include_file):
found = True
break
else:
parent_include = parent_include._parent
if not found:
try:
include_target = templar.template(
t.args['_raw_params'])
except AnsibleUndefinedVariable:
raise AnsibleParserError(
"Error when evaluating variable in include name: %s.\n\n" \
"When using static includes, ensure that any variables used in their names are defined in vars/vars_files\n" \
"or extra-vars passed in from the command line. Static includes cannot use variables from inventory\n" \
"sources like group or host vars." % t.args['_raw_params'],
obj=task_ds,
suppress_extended_error=True,
)
if t._role:
include_file = loader.path_dwim_relative(
t._role._role_path, subdir, include_target)
else:
include_file = loader.path_dwim(include_target)
try:
data = loader.load_from_file(include_file)
if data is None:
return []
elif not isinstance(data, list):
raise AnsibleParserError(
"included task files must contain a list of tasks",
obj=data)
# since we can't send callbacks here, we display a message directly in
# the same fashion used by the on_include callback. We also do it here,
# because the recursive nature of helper methods means we may be loading
# nested includes, and we want the include order printed correctly
display.vv("statically included: %s" % include_file)
except AnsibleFileNotFound:
if t.static or \
C.DEFAULT_TASK_INCLUDES_STATIC or \
C.DEFAULT_HANDLER_INCLUDES_STATIC and use_handlers:
raise
display.deprecated(
"Included file '%s' not found, however since this include is not " \
"explicitly marked as 'static: yes', we will try and include it dynamically " \
"later. In the future, this will be an error unless 'static: no' is used " \
"on the include task. If you do not want missing includes to be considered " \
"dynamic, use 'static: yes' on the include or set the global ansible.cfg " \
"options to make all inclues static for tasks and/or handlers" % include_file,
)
task_list.append(t)
continue
included_blocks = load_list_of_blocks(
data,
play=play,
parent_block=None,
task_include=t.copy(),
role=role,
use_handlers=use_handlers,
loader=loader,
variable_manager=variable_manager,
)
# pop tags out of the include args, if they were specified there, and assign
# them to the include. If the include already had tags specified, we raise an
# error so that users know not to specify them both ways
tags = t.vars.pop('tags', [])
if isinstance(tags, string_types):
tags = tags.split(',')
if len(tags) > 0:
if len(t.tags) > 0:
raise AnsibleParserError(
"Include tasks should not specify tags in more than one way (both via args and directly on the task). " \
"Mixing styles in which tags are specified is prohibited for whole import hierarchy, not only for single import statement",
obj=task_ds,
suppress_extended_error=True,
)
display.deprecated(
"You should not specify tags in the include parameters. All tags should be specified using the task-level option"
)
else:
tags = t.tags[:]
# now we extend the tags on each of the included blocks
for b in included_blocks:
b.tags = list(set(b.tags).union(tags))
# END FIXME
# FIXME: handlers shouldn't need this special handling, but do
# right now because they don't iterate blocks correctly
if use_handlers:
for b in included_blocks:
task_list.extend(b.block)
else:
task_list.extend(included_blocks)
else:
task_list.append(t)
elif 'include_role' in task_ds:
ir = IncludeRole.load(task_ds,
block=block,
role=role,
task_include=None,
variable_manager=variable_manager,
loader=loader)
# 1. the user has set the 'static' option to false or true
# 2. one of the appropriate config options was set
if ir.static is not None:
is_static = ir.static
else:
display.debug('Determine if include_role is static')
# Check to see if this include is dynamic or static:
all_vars = variable_manager.get_vars(loader=loader,
play=play,
task=ir)
templar = Templar(loader=loader, variables=all_vars)
needs_templating = False
for param in ir.args:
if templar._contains_vars(ir.args[param]):
if not templar.templatable(ir.args[param]):
needs_templating = True
break
is_static = C.DEFAULT_TASK_INCLUDES_STATIC or \
(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
(not needs_templating and ir.all_parents_static() and not ir.loop)
display.debug(
'Determined that if include_role static is %s' %
str(is_static))
if is_static:
# uses compiled list from object
t = task_list.extend(
ir.get_block_list(variable_manager=variable_manager,
loader=loader))
else:
# passes task object itself for latter generation of list
t = task_list.append(ir)
else:
if use_handlers:
t = Handler.load(task_ds,
block=block,
role=role,
task_include=task_include,
variable_manager=variable_manager,
loader=loader)
else:
t = Task.load(task_ds,
block=block,
role=role,
task_include=task_include,
variable_manager=variable_manager,
loader=loader)
task_list.append(t)
return task_list
def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_handlers=False, variable_manager=None, loader=None):
'''
Given a list of task datastructures (parsed from YAML),
return a list of Task() or TaskInclude() objects.
'''
# we import here to prevent a circular dependency with imports
from ansible.playbook.block import Block
from ansible.playbook.handler import Handler
from ansible.playbook.task import Task
from ansible.playbook.task_include import TaskInclude
from ansible.template import Templar
assert isinstance(ds, list)
task_list = []
for task_ds in ds:
assert isinstance(task_ds, dict)
if 'block' in task_ds:
t = Block.load(
task_ds,
play=play,
parent_block=block,
role=role,
task_include=task_include,
use_handlers=use_handlers,
variable_manager=variable_manager,
loader=loader,
)
task_list.append(t)
else:
if 'include' in task_ds:
t = TaskInclude.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
all_vars = variable_manager.get_vars(loader=loader, play=play, task=t)
templar = Templar(loader=loader, variables=all_vars)
# check to see if this include is static, which can be true if:
# 1. the user set the 'static' option to true
# 2. one of the appropriate config options was set
# 3. the included file name contains no variables, and has no loop
is_static = t.static or \
C.DEFAULT_TASK_INCLUDES_STATIC or \
(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
not templar._contains_vars(t.args.get('_raw_params')) and t.loop is None
if is_static:
if t.loop is not None:
raise AnsibleParserError("You cannot use 'static' on an include with a loop", obj=task_ds)
# FIXME: all of this code is very similar (if not identical) to that in
# plugins/strategy/__init__.py, and should be unified to avoid
# patches only being applied to one or the other location
if task_include:
# handle relative includes by walking up the list of parent include
# tasks and checking the relative result to see if it exists
parent_include = task_include
cumulative_path = None
while parent_include is not None:
parent_include_dir = templar.template(os.path.dirname(parent_include.args.get('_raw_params')))
if cumulative_path is None:
cumulative_path = parent_include_dir
elif not os.path.isabs(cumulative_path):
cumulative_path = os.path.join(parent_include_dir, cumulative_path)
include_target = templar.template(t.args['_raw_params'])
if t._role:
new_basedir = os.path.join(t._role._role_path, 'tasks', cumulative_path)
include_file = loader.path_dwim_relative(new_basedir, 'tasks', include_target)
else:
include_file = loader.path_dwim_relative(loader.get_basedir(), cumulative_path, include_target)
if os.path.exists(include_file):
break
else:
parent_include = parent_include._task_include
else:
try:
include_target = templar.template(t.args['_raw_params'])
except AnsibleUndefinedVariable as e:
raise AnsibleParserError(
"Error when evaluating variable in include name: %s.\n\n" \
"When using static includes, ensure that any variables used in their names are defined in vars/vars_files\n" \
"or extra-vars passed in from the command line. Static includes cannot use variables from inventory\n" \
"sources like group or host vars." % t.args['_raw_params'],
obj=task_ds,
suppress_extended_error=True,
)
if t._role:
if use_handlers:
include_file = loader.path_dwim_relative(t._role._role_path, 'handlers', include_target)
else:
include_file = loader.path_dwim_relative(t._role._role_path, 'tasks', include_target)
else:
include_file = loader.path_dwim(include_target)
try:
data = loader.load_from_file(include_file)
if data is None:
return []
elif not isinstance(data, list):
raise AnsibleError("included task files must contain a list of tasks", obj=data)
except AnsibleFileNotFound as e:
if t.static or \
C.DEFAULT_TASK_INCLUDES_STATIC or \
C.DEFAULT_HANDLER_INCLUDES_STATIC and use_handlers:
raise
display.deprecated(
"Included file '%s' not found, however since this include is not " \
"explicitly marked as 'static: yes', we will try and include it dynamically " \
"later. In the future, this will be an error unless 'static: no' is used " \
"on the include task. If you do not want missing includes to be considered " \
"dynamic, use 'static: yes' on the include or set the global ansible.cfg " \
"options to make all inclues static for tasks and/or handlers" % include_file,
)
task_list.append(t)
continue
included_blocks = load_list_of_blocks(
data,
play=play,
parent_block=block,
task_include=t,
role=role,
use_handlers=use_handlers,
loader=loader,
variable_manager=variable_manager,
)
# pop tags out of the include args, if they were specified there, and assign
# them to the include. If the include already had tags specified, we raise an
# error so that users know not to specify them both ways
tags = t.vars.pop('tags', [])
if isinstance(tags, string_types):
tags = tags.split(',')
if len(tags) > 0:
if len(t.tags) > 0:
raise AnsibleParserError(
"Include tasks should not specify tags in more than one way (both via args and directly on the task)." \
" Mixing tag specify styles is prohibited for whole import hierarchy, not only for single import statement",
obj=task_ds,
suppress_extended_error=True,
)
display.deprecated("You should not specify tags in the include parameters. All tags should be specified using the task-level option")
else:
tags = t.tags[:]
# now we extend the tags on each of the included blocks
for b in included_blocks:
b.tags = list(set(b.tags).union(tags))
# END FIXME
# FIXME: send callback here somehow...
# FIXME: handlers shouldn't need this special handling, but do
# right now because they don't iterate blocks correctly
if use_handlers:
for b in included_blocks:
task_list.extend(b.block)
else:
task_list.extend(included_blocks)
else:
task_list.append(t)
elif use_handlers:
t = Handler.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
task_list.append(t)
else:
t = Task.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
task_list.append(t)
return task_list
def load_list_of_tasks(ds,
play,
block=None,
role=None,
task_include=None,
use_handlers=False,
variable_manager=None,
loader=None):
'''
Given a list of task datastructures (parsed from YAML),
return a list of Task() or TaskInclude() objects.
'''
# we import here to prevent a circular dependency with imports
from ansible.playbook.block import Block
from ansible.playbook.handler import Handler
from ansible.playbook.task import Task
from ansible.playbook.task_include import TaskInclude
from ansible.template import Templar
assert isinstance(ds, list)
task_list = []
for task_ds in ds:
assert isinstance(task_ds, dict)
if 'block' in task_ds:
t = Block.load(
task_ds,
play=play,
parent_block=block,
role=role,
task_include=task_include,
use_handlers=use_handlers,
variable_manager=variable_manager,
loader=loader,
)
task_list.append(t)
else:
if 'include' in task_ds:
t = TaskInclude.load(task_ds,
block=block,
role=role,
task_include=task_include,
variable_manager=variable_manager,
loader=loader)
all_vars = variable_manager.get_vars(loader=loader,
play=play,
task=t)
templar = Templar(loader=loader, variables=all_vars)
# check to see if this include is static, which can be true if:
# 1. the user set the 'static' option to true
# 2. one of the appropriate config options was set
# 3. the included file name contains no variables, and has no loop
is_static = t.static or \
C.DEFAULT_TASK_INCLUDES_STATIC or \
(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
not templar._contains_vars(t.args.get('_raw_params')) and t.loop is None
if is_static:
if t.loop is not None:
raise AnsibleParserError(
"You cannot use 'static' on an include with a loop",
obj=task_ds)
# FIXME: all of this code is very similar (if not identical) to that in
# plugins/strategy/__init__.py, and should be unified to avoid
# patches only being applied to one or the other location
if task_include:
# handle relative includes by walking up the list of parent include
# tasks and checking the relative result to see if it exists
parent_include = task_include
cumulative_path = None
while parent_include is not None:
parent_include_dir = templar.template(
os.path.dirname(
parent_include.args.get('_raw_params')))
if cumulative_path is None:
cumulative_path = parent_include_dir
elif not os.path.isabs(cumulative_path):
cumulative_path = os.path.join(
parent_include_dir, cumulative_path)
include_target = templar.template(
t.args['_raw_params'])
if t._role:
new_basedir = os.path.join(
t._role._role_path, 'tasks',
cumulative_path)
include_file = loader.path_dwim_relative(
new_basedir, 'tasks', include_target)
else:
include_file = loader.path_dwim_relative(
loader.get_basedir(), cumulative_path,
include_target)
if os.path.exists(include_file):
break
else:
parent_include = parent_include._task_include
else:
try:
include_target = templar.template(
t.args['_raw_params'])
except AnsibleUndefinedVariable as e:
raise AnsibleParserError(
"Error when evaluating variable in include name: %s.\n\n" \
"When using static includes, ensure that any variables used in their names are defined in vars/vars_files\n" \
"or extra-vars passed in from the command line. Static includes cannot use variables from inventory\n" \
"sources like group or host vars." % t.args['_raw_params'],
obj=task_ds,
suppress_extended_error=True,
)
if t._role:
if use_handlers:
include_file = loader.path_dwim_relative(
t._role._role_path, 'handlers',
include_target)
else:
include_file = loader.path_dwim_relative(
t._role._role_path, 'tasks',
include_target)
else:
include_file = loader.path_dwim(include_target)
data = loader.load_from_file(include_file)
if data is None:
return []
elif not isinstance(data, list):
raise AnsibleError(
"included task files must contain a list of tasks",
obj=data)
included_blocks = load_list_of_blocks(
data,
play=play,
parent_block=block,
task_include=t,
role=role,
use_handlers=use_handlers,
loader=loader,
variable_manager=variable_manager,
)
# Remove the raw params field from the module args, so it won't show up
# later when getting the vars for this task/childen
t.args.pop('_raw_params', None)
# pop tags out of the include args, if they were specified there, and assign
# them to the include. If the include already had tags specified, we raise an
# error so that users know not to specify them both ways
tags = t.vars.pop('tags', [])
if isinstance(tags, string_types):
tags = tags.split(',')
if len(tags) > 0:
if len(t.tags) > 0:
raise AnsibleParserError(
"Include tasks should not specify tags in more than one way (both via args and directly on the task)." \
" Mixing tag specify styles is prohibited for whole import hierarchy, not only for single import statement",
obj=task_ds,
suppress_extended_error=True,
)
display.deprecated(
"You should not specify tags in the include parameters. All tags should be specified using the task-level option"
)
else:
tags = t.tags[:]
# now we extend the tags on each of the included blocks
for b in included_blocks:
b.tags = list(set(b.tags).union(tags))
# END FIXME
# FIXME: send callback here somehow...
# FIXME: handlers shouldn't need this special handling, but do
# right now because they don't iterate blocks correctly
if use_handlers:
for b in included_blocks:
task_list.extend(b.block)
else:
task_list.extend(included_blocks)
else:
task_list.append(t)
elif use_handlers:
t = Handler.load(task_ds,
block=block,
role=role,
task_include=task_include,
variable_manager=variable_manager,
loader=loader)
task_list.append(t)
else:
t = Task.load(task_ds,
block=block,
role=role,
task_include=task_include,
variable_manager=variable_manager,
loader=loader)
task_list.append(t)
return task_list
def _squash_items(self, items, loop_var, variables):
'''
Squash items down to a comma-separated list for certain modules which support it
(typically package management modules).
'''
name = None
try:
# _task.action could contain templatable strings (via action: and
# local_action:) Template it before comparing. If we don't end up
# optimizing it here, the templatable string might use template vars
# that aren't available until later (it could even use vars from the
# with_items loop) so don't make the templated string permanent yet.
templar = Templar(loader=self._loader,
shared_loader_obj=self._shared_loader_obj,
variables=variables)
task_action = self._task.action
if templar._contains_vars(task_action):
task_action = templar.template(task_action,
fail_on_undefined=False)
if len(items) > 0 and task_action in self.SQUASH_ACTIONS:
if all(isinstance(o, string_types) for o in items):
final_items = []
found = None
for allowed in ['name', 'pkg', 'package']:
name = self._task.args.pop(allowed, None)
if name is not None:
found = allowed
break
# This gets the information to check whether the name field
# contains a template that we can squash for
template_no_item = template_with_item = None
if name:
if templar._contains_vars(name):
variables[loop_var] = '\0$'
template_no_item = templar.template(name,
variables,
cache=False)
variables[loop_var] = '\0@'
template_with_item = templar.template(name,
variables,
cache=False)
del variables[loop_var]
# Check if the user is doing some operation that doesn't take
# name/pkg or the name/pkg field doesn't have any variables
# and thus the items can't be squashed
if template_no_item != template_with_item:
if self._task.loop_with and self._task.loop_with not in (
'items', 'list'):
value_text = "\"{{ query('%s', %r) }}\"" % (
self._task.loop_with, self._task.loop)
else:
value_text = '%r' % self._task.loop
# Without knowing the data structure well, it's easiest to strip python2 unicode
# literals after stringifying
value_text = re.sub(r"\bu'", "'", value_text)
display.deprecated(
'Invoking "%s" only once while using a loop via squash_actions is deprecated. '
'Instead of using a loop to supply multiple items and specifying `%s: "%s"`, '
'please use `%s: %s` and remove the loop' %
(self._task.action, found, name, found,
value_text),
version='2.11')
for item in items:
variables[loop_var] = item
if self._task.evaluate_conditional(
templar, variables):
new_item = templar.template(name,
cache=False)
final_items.append(new_item)
self._task.args['name'] = final_items
# Wrap this in a list so that the calling function loop
# executes exactly once
return [final_items]
else:
# Restore the name parameter
self._task.args['name'] = name
# elif:
# Right now we only optimize single entries. In the future we
# could optimize more types:
# * lists can be squashed together
# * dicts could squash entries that match in all cases except the
# name or pkg field.
except Exception:
# Squashing is an optimization. If it fails for any reason,
# simply use the unoptimized list of items.
# Restore the name parameter
if name is not None:
self._task.args['name'] = name
return items
def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_handlers=False, variable_manager=None, loader=None):
'''
Given a list of task datastructures (parsed from YAML),
return a list of Task() or TaskInclude() objects.
'''
# we import here to prevent a circular dependency with imports
from ansible.playbook.block import Block
from ansible.playbook.handler import Handler
from ansible.playbook.task import Task
from ansible.playbook.task_include import TaskInclude
from ansible.playbook.role_include import IncludeRole
from ansible.playbook.handler_task_include import HandlerTaskInclude
from ansible.template import Templar
assert isinstance(ds, list)
task_list = []
for task_ds in ds:
assert isinstance(task_ds, dict)
if 'block' in task_ds:
t = Block.load(
task_ds,
play=play,
parent_block=block,
role=role,
task_include=task_include,
use_handlers=use_handlers,
variable_manager=variable_manager,
loader=loader,
)
task_list.append(t)
else:
if 'include' in task_ds:
if use_handlers:
include_class = HandlerTaskInclude
else:
include_class = TaskInclude
t = include_class.load(
task_ds,
block=block,
role=role,
task_include=None,
variable_manager=variable_manager,
loader=loader
)
all_vars = variable_manager.get_vars(loader=loader, play=play, task=t)
templar = Templar(loader=loader, variables=all_vars)
# check to see if this include is dynamic or static:
# 1. the user has set the 'static' option to false or true
# 2. one of the appropriate config options was set
if t.static is not None:
is_static = t.static
else:
is_static = C.DEFAULT_TASK_INCLUDES_STATIC or \
(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
(not templar._contains_vars(t.args['_raw_params']) and t.all_parents_static() and not t.loop)
if is_static:
if t.loop is not None:
raise AnsibleParserError("You cannot use 'static' on an include with a loop", obj=task_ds)
# we set a flag to indicate this include was static
t.statically_loaded = True
# handle relative includes by walking up the list of parent include
# tasks and checking the relative result to see if it exists
parent_include = block
cumulative_path = None
found = False
subdir = 'tasks'
if use_handlers:
subdir = 'handlers'
while parent_include is not None:
if not isinstance(parent_include, TaskInclude):
parent_include = parent_include._parent
continue
parent_include_dir = templar.template(os.path.dirname(parent_include.args.get('_raw_params')))
if cumulative_path is None:
cumulative_path = parent_include_dir
elif not os.path.isabs(cumulative_path):
cumulative_path = os.path.join(parent_include_dir, cumulative_path)
include_target = templar.template(t.args['_raw_params'])
if t._role:
new_basedir = os.path.join(t._role._role_path, subdir, cumulative_path)
include_file = loader.path_dwim_relative(new_basedir, subdir, include_target)
else:
include_file = loader.path_dwim_relative(loader.get_basedir(), cumulative_path, include_target)
if os.path.exists(include_file):
found = True
break
else:
parent_include = parent_include._parent
if not found:
try:
include_target = templar.template(t.args['_raw_params'])
except AnsibleUndefinedVariable:
raise AnsibleParserError(
"Error when evaluating variable in include name: %s.\n\n" \
"When using static includes, ensure that any variables used in their names are defined in vars/vars_files\n" \
"or extra-vars passed in from the command line. Static includes cannot use variables from inventory\n" \
"sources like group or host vars." % t.args['_raw_params'],
obj=task_ds,
suppress_extended_error=True,
)
if t._role:
include_file = loader.path_dwim_relative(t._role._role_path, subdir, include_target)
else:
include_file = loader.path_dwim(include_target)
try:
data = loader.load_from_file(include_file)
if data is None:
return []
elif not isinstance(data, list):
raise AnsibleParserError("included task files must contain a list of tasks", obj=data)
# since we can't send callbacks here, we display a message directly in
# the same fashion used by the on_include callback. We also do it here,
# because the recursive nature of helper methods means we may be loading
# nested includes, and we want the include order printed correctly
display.vv("statically included: %s" % include_file)
except AnsibleFileNotFound:
if t.static or \
C.DEFAULT_TASK_INCLUDES_STATIC or \
C.DEFAULT_HANDLER_INCLUDES_STATIC and use_handlers:
raise
display.deprecated(
"Included file '%s' not found, however since this include is not " \
"explicitly marked as 'static: yes', we will try and include it dynamically " \
"later. In the future, this will be an error unless 'static: no' is used " \
"on the include task. If you do not want missing includes to be considered " \
"dynamic, use 'static: yes' on the include or set the global ansible.cfg " \
"options to make all inclues static for tasks and/or handlers" % include_file,
)
task_list.append(t)
continue
included_blocks = load_list_of_blocks(
data,
play=play,
parent_block=None,
task_include=t.copy(),
role=role,
use_handlers=use_handlers,
loader=loader,
variable_manager=variable_manager,
)
# pop tags out of the include args, if they were specified there, and assign
# them to the include. If the include already had tags specified, we raise an
# error so that users know not to specify them both ways
tags = t.vars.pop('tags', [])
if isinstance(tags, string_types):
tags = tags.split(',')
if len(tags) > 0:
if len(t.tags) > 0:
raise AnsibleParserError(
"Include tasks should not specify tags in more than one way (both via args and directly on the task). " \
"Mixing styles in which tags are specified is prohibited for whole import hierarchy, not only for single import statement",
obj=task_ds,
suppress_extended_error=True,
)
display.deprecated("You should not specify tags in the include parameters. All tags should be specified using the task-level option")
else:
tags = t.tags[:]
# now we extend the tags on each of the included blocks
for b in included_blocks:
b.tags = list(set(b.tags).union(tags))
# END FIXME
# FIXME: handlers shouldn't need this special handling, but do
# right now because they don't iterate blocks correctly
if use_handlers:
for b in included_blocks:
task_list.extend(b.block)
else:
task_list.extend(included_blocks)
else:
task_list.append(t)
elif 'include_role' in task_ds:
ir = IncludeRole.load(
task_ds,
block=block,
role=role,
task_include=None,
variable_manager=variable_manager,
loader=loader
)
# 1. the user has set the 'static' option to false or true
# 2. one of the appropriate config options was set
if ir.static is not None:
is_static = ir.static
else:
display.debug('Determine if include_role is static')
# Check to see if this include is dynamic or static:
all_vars = variable_manager.get_vars(loader=loader, play=play, task=ir)
templar = Templar(loader=loader, variables=all_vars)
needs_templating = False
for param in ir.args:
if templar._contains_vars(ir.args[param]):
if not templar.templatable(ir.args[param]):
needs_templating = True
break
is_static = C.DEFAULT_TASK_INCLUDES_STATIC or \
(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
(not needs_templating and ir.all_parents_static() and not ir.loop)
display.debug('Determined that if include_role static is %s' % str(is_static))
if is_static:
# uses compiled list from object
t = task_list.extend(ir.get_block_list(variable_manager=variable_manager, loader=loader))
else:
# passes task object itself for latter generation of list
t = task_list.append(ir)
else:
if use_handlers:
t = Handler.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
else:
t = Task.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
task_list.append(t)
return task_list