Add options to make includes 'static'
* Can be configured in the ansible.cfg for tasks/handlers individually * If an included filename contains no vars or loops, it will be expanded in-place as if it were marked as static
This commit is contained in:
James Cammarata
parent
f323eb858e
commit
2c20579a06
9 changed files with 268 additions and 33 deletions
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@ -54,6 +54,13 @@
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# enable additional callbacks
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#callback_whitelist = timer, mail
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# Determine whether includes in tasks and handlers are "static" by
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# default. As of 2.0, includes are dynamic by default. Setting these
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# values to True will make includes behave more like they did in the
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# 1.x versions.
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#task_includes_static = True
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#handler_includes_static = True
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# change this for alternative sudo implementations
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#sudo_exe = sudo
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@ -30,6 +30,7 @@ from ansible.errors import AnsibleError, AnsibleOptionsError
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from ansible.executor.playbook_executor import PlaybookExecutor
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from ansible.inventory import Inventory
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from ansible.parsing.dataloader import DataLoader
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from ansible.playbook.block import Block
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from ansible.playbook.play_context import PlayContext
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from ansible.utils.vars import load_extra_vars
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from ansible.vars import VariableManager
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@ -172,26 +173,34 @@ class PlaybookCLI(CLI):
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if self.options.listtasks:
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taskmsg = ' tasks:\n'
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def _process_block(b):
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taskmsg = ''
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for task in b.block:
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if isinstance(task, Block):
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taskmsg += _process_block(task)
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else:
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if task.action == 'meta':
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continue
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all_tags.update(task.tags)
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if self.options.listtasks:
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cur_tags = list(mytags.union(set(task.tags)))
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cur_tags.sort()
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if task.name:
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taskmsg += " %s" % task.get_name()
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else:
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taskmsg += " %s" % task.action
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taskmsg += "\tTAGS: [%s]\n" % ', '.join(cur_tags)
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return taskmsg
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all_vars = variable_manager.get_vars(loader=loader, play=play)
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play_context = PlayContext(play=play, options=self.options)
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for block in play.compile():
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block = block.filter_tagged_tasks(play_context, all_vars)
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if not block.has_tasks():
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continue
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for task in block.block:
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if task.action == 'meta':
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continue
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all_tags.update(task.tags)
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if self.options.listtasks:
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cur_tags = list(mytags.union(set(task.tags)))
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cur_tags.sort()
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if task.name:
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taskmsg += " %s" % task.get_name()
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else:
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taskmsg += " %s" % task.action
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taskmsg += "\tTAGS: [%s]\n" % ', '.join(cur_tags)
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taskmsg += _process_block(block)
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if self.options.listtags:
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cur_tags = list(mytags.union(all_tags))
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@ -162,6 +162,10 @@ DEFAULT_FORCE_HANDLERS = get_config(p, DEFAULTS, 'force_handlers', 'ANSIBLE_F
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DEFAULT_INVENTORY_IGNORE = get_config(p, DEFAULTS, 'inventory_ignore_extensions', 'ANSIBLE_INVENTORY_IGNORE', ["~", ".orig", ".bak", ".ini", ".cfg", ".retry", ".pyc", ".pyo"], islist=True)
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DEFAULT_VAR_COMPRESSION_LEVEL = get_config(p, DEFAULTS, 'var_compression_level', 'ANSIBLE_VAR_COMPRESSION_LEVEL', 0, integer=True)
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# static includes
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DEFAULT_TASK_INCLUDES_STATIC = get_config(p, DEFAULTS, 'task_includes_static', 'ANSIBLE_TASK_INCLUDES_STATIC', False, boolean=True)
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DEFAULT_HANDLER_INCLUDES_STATIC = get_config(p, DEFAULTS, 'handler_includes_static', 'ANSIBLE_HANDLER_INCLUDES_STATIC', False, boolean=True)
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# disclosure
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DEFAULT_NO_LOG = get_config(p, DEFAULTS, 'no_log', 'ANSIBLE_NO_LOG', False, boolean=True)
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DEFAULT_NO_TARGET_SYSLOG = get_config(p, DEFAULTS, 'no_target_syslog', 'ANSIBLE_NO_TARGET_SYSLOG', False, boolean=True)
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@ -44,7 +44,7 @@ class AnsibleError(Exception):
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which should be returned by the DataLoader() class.
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'''
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def __init__(self, message="", obj=None, show_content=True):
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def __init__(self, message="", obj=None, show_content=True, suppress_extended_error=False):
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# we import this here to prevent an import loop problem,
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# since the objects code also imports ansible.errors
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from ansible.parsing.yaml.objects import AnsibleBaseYAMLObject
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@ -53,8 +53,10 @@ class AnsibleError(Exception):
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self._show_content = show_content
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if obj and isinstance(obj, AnsibleBaseYAMLObject):
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extended_error = self._get_extended_error()
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if extended_error:
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if extended_error and not suppress_extended_error:
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self.message = '%s\n\n%s' % (to_str(message), to_str(extended_error))
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else:
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self.message = '%s' % to_str(message)
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else:
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self.message = '%s' % to_str(message)
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@ -28,6 +28,7 @@ from ansible.errors import AnsibleError
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from ansible.executor.play_iterator import PlayIterator
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from ansible.executor.process.result import ResultProcess
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from ansible.executor.stats import AggregateStats
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from ansible.playbook.block import Block
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from ansible.playbook.play_context import PlayContext
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from ansible.plugins import callback_loader, strategy_loader, module_loader
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from ansible.template import Templar
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@ -118,11 +119,18 @@ class TaskQueueManager:
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for key in self._notified_handlers.keys():
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del self._notified_handlers[key]
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# FIXME: there is a block compile helper for this...
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def _process_block(b):
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temp_list = []
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for t in b.block:
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if isinstance(t, Block):
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temp_list.extend(_process_block(t))
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else:
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temp_list.append(t)
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return temp_list
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handler_list = []
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for handler_block in handlers:
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for handler in handler_block.block:
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handler_list.append(handler)
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handler_list.extend(_process_block(handler_block))
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# then initialize it with the handler names from the handler list
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for handler in handler_list:
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@ -20,9 +20,17 @@ __metaclass__ = type
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import os
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from ansible.errors import AnsibleParserError
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from ansible import constants as C
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from ansible.compat.six import string_types
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from ansible.errors import AnsibleParserError, AnsibleUndefinedVariable
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from ansible.parsing.yaml.objects import AnsibleBaseYAMLObject, AnsibleSequence
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try:
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from __main__ import display
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except ImportError:
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from ansible.utils.display import Display
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display = Display()
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def load_list_of_blocks(ds, play, parent_block=None, role=None, task_include=None, use_handlers=False, variable_manager=None, loader=None):
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'''
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@ -72,16 +80,18 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
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from ansible.playbook.block import Block
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from ansible.playbook.handler import Handler
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from ansible.playbook.task import Task
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from ansible.playbook.task_include import TaskInclude
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from ansible.template import Templar
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assert isinstance(ds, list)
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task_list = []
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for task in ds:
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assert isinstance(task, dict)
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for task_ds in ds:
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assert isinstance(task_ds, dict)
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if 'block' in task:
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if 'block' in task_ds:
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t = Block.load(
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task,
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task_ds,
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play=play,
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parent_block=block,
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role=role,
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@ -90,13 +100,133 @@ def load_list_of_tasks(ds, play, block=None, role=None, task_include=None, use_h
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variable_manager=variable_manager,
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loader=loader,
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)
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task_list.append(t)
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else:
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if use_handlers:
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t = Handler.load(task, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
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else:
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t = Task.load(task, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
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if 'include' in task_ds:
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t = TaskInclude.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
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task_list.append(t)
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all_vars = variable_manager.get_vars(loader=loader, play=play, task=t)
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templar = Templar(loader=loader, variables=all_vars)
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# check to see if this include is static, which can be true if:
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# 1. the user set the 'static' option to true
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# 2. one of the appropriate config options was set
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# 3. the included file name contains no variables, and has no loop
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is_static = t.static or \
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C.DEFAULT_TASK_INCLUDES_STATIC or \
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(use_handlers and C.DEFAULT_HANDLER_INCLUDES_STATIC) or \
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not templar._contains_vars(t.args.get('_raw_params')) and t.loop is None
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if is_static:
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if t.loop is not None:
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raise AnsibleParserError("You cannot use 'static' on an include with a loop", obj=task_ds)
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# FIXME: all of this code is very similar (if not identical) to that in
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# plugins/strategy/__init__.py, and should be unified to avoid
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# patches only being applied to one or the other location
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if task_include:
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# handle relative includes by walking up the list of parent include
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# tasks and checking the relative result to see if it exists
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parent_include = task_include
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cumulative_path = None
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while parent_include is not None:
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parent_include_dir = templar.template(os.path.dirname(parent_include.args.get('_raw_params')))
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if cumulative_path is None:
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cumulative_path = parent_include_dir
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elif not os.path.isabs(cumulative_path):
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cumulative_path = os.path.join(parent_include_dir, cumulative_path)
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include_target = templar.template(t.args['_raw_params'])
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if t._role:
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new_basedir = os.path.join(t._role._role_path, 'tasks', cumulative_path)
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include_file = loader.path_dwim_relative(new_basedir, 'tasks', include_target)
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else:
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include_file = loader.path_dwim_relative(loader.get_basedir(), cumulative_path, include_target)
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if os.path.exists(include_file):
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break
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else:
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parent_include = parent_include._task_include
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else:
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try:
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include_target = templar.template(t.args['_raw_params'])
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except AnsibleUndefinedVariable as e:
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raise AnsibleParserError(
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"Error when evaluating variable in include name: %s.\n\n" \
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"When using static includes, ensure that any variables used in their names are defined in vars/vars_files\n" \
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"or extra-vars passed in from the command line. Static includes cannot use variables from inventory\n" \
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"sources like group or host vars." % t.args['_raw_params'],
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obj=task_ds,
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suppress_extended_error=True,
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)
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if t._role:
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if use_handlers:
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include_file = loader.path_dwim_relative(t._role._role_path, 'handlers', include_target)
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else:
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include_file = loader.path_dwim_relative(t._role._role_path, 'tasks', include_target)
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else:
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include_file = loader.path_dwim(include_target)
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data = loader.load_from_file(include_file)
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if data is None:
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return []
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elif not isinstance(data, list):
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raise AnsibleError("included task files must contain a list of tasks", obj=data)
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included_blocks = load_list_of_blocks(
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data,
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play=play,
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parent_block=block,
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task_include=t,
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role=role,
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use_handlers=use_handlers,
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loader=loader,
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variable_manager=variable_manager,
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)
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# Remove the raw params field from the module args, so it won't show up
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# later when getting the vars for this task/childen
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t.args.pop('_raw_params', None)
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# pop tags out of the include args, if they were specified there, and assign
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# them to the include. If the include already had tags specified, we raise an
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# error so that users know not to specify them both ways
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tags = t.vars.pop('tags', [])
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if isinstance(tags, string_types):
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tags = tags.split(',')
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if len(tags) > 0:
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if len(t.tags) > 0:
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raise AnsibleParserError(
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"Include tasks should not specify tags in more than one way (both via args and directly on the task)." \
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" Mixing tag specify styles is prohibited for whole import hierarchy, not only for single import statement",
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obj=task_ds,
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suppress_extended_error=True,
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)
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display.deprecated("You should not specify tags in the include parameters. All tags should be specified using the task-level option")
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else:
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tags = t.tags[:]
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# now we extend the tags on each of the included blocks
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for b in included_blocks:
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b.tags = list(set(b.tags).union(tags))
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# END FIXME
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# FIXME: send callback here somehow...
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# FIXME: handlers shouldn't need this special handling, but do
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# right now because they don't iterate blocks correctly
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if use_handlers:
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for b in included_blocks:
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task_list.extend(b.block)
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else:
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task_list.extend(included_blocks)
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else:
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task_list.append(t)
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elif use_handlers:
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t = Handler.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
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task_list.append(t)
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else:
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t = Task.load(task_ds, block=block, role=role, task_include=task_include, variable_manager=variable_manager, loader=loader)
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task_list.append(t)
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return task_list
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@ -84,6 +84,9 @@ class IncludedFile:
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task_vars['item'] = include_variables['item'] = include_result['item']
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if original_task:
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if original_task.static:
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continue
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if original_task._task_include:
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# handle relative includes by walking up the list of parent include
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# tasks and checking the relative result to see if it exists
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@ -176,16 +176,16 @@ class Role(Base, Become, Conditional, Taggable):
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task_data = self._load_role_yaml('tasks')
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if task_data:
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try:
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self._task_blocks = load_list_of_blocks(task_data, play=self._play, role=self, loader=self._loader)
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self._task_blocks = load_list_of_blocks(task_data, play=self._play, role=self, loader=self._loader, variable_manager=self._variable_manager)
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except AssertionError:
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raise AnsibleParserError("The tasks/main.yml file for role '%s' must contain a list of tasks" % self._role_name , obj=task_data)
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handler_data = self._load_role_yaml('handlers')
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if handler_data:
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try:
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self._handler_blocks = load_list_of_blocks(handler_data, play=self._play, role=self, use_handlers=True, loader=self._loader)
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except:
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raise AnsibleParserError("The handlers/main.yml file for role '%s' must contain a list of tasks" % self._role_name , obj=task_data)
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self._handler_blocks = load_list_of_blocks(handler_data, play=self._play, role=self, use_handlers=True, loader=self._loader, variable_manager=self._variable_manager)
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except AssertionError:
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raise AnsibleParserError("The handlers/main.yml file for role '%s' must contain a list of tasks" % self._role_name , obj=handler_data)
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# vars and default vars are regular dictionaries
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self._role_vars = self._load_role_yaml('vars')
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72
lib/ansible/playbook/task_include.py
Normal file
72
lib/ansible/playbook/task_include.py
Normal file
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@ -0,0 +1,72 @@
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# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from ansible.playbook.attribute import FieldAttribute
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from ansible.playbook.task import Task
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try:
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from __main__ import display
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except ImportError:
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from ansible.utils.display import Display
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display = Display()
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__all__ = ['TaskInclude']
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class TaskInclude(Task):
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"""
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A task include is derived from a regular task to handle the special
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circumstances related to the `- include: ...` task.
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"""
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# =================================================================================
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# ATTRIBUTES
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_static = FieldAttribute(isa='bool', default=False)
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@staticmethod
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def load(data, block=None, role=None, task_include=None, variable_manager=None, loader=None):
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t = TaskInclude(block=block, role=role, task_include=task_include)
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return t.load_data(data, variable_manager=variable_manager, loader=loader)
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def get_vars(self):
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'''
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We override the parent Task() classes get_vars here because
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we need to include the args of the include into the vars as
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they are params to the included tasks.
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'''
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all_vars = dict()
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if self._block:
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all_vars.update(self._block.get_vars())
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if self._task_include:
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all_vars.update(self._task_include.get_vars())
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all_vars.update(self.vars)
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all_vars.update(self.args)
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||||
|
||||
if 'tags' in all_vars:
|
||||
del all_vars['tags']
|
||||
if 'when' in all_vars:
|
||||
del all_vars['when']
|
||||
|
||||
return all_vars
|
||||
|
||||
Loading…
Reference in a new issue