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Merge branch 'smoothify-defaults' into devel

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This commit is contained in:
James Cammarata 2013-08-30 08:40:47 -05:00
commit 6f6efa268b
4 changed files with 54 additions and 15 deletions
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4
lib/ansible/playbook/__init__.py
View file

@ -307,7 +307,7 @@ class PlayBook(object):
remote_pass=self.remote_pass, module_path=self.module_path,
timeout=self.timeout, remote_user=task.play.remote_user,
remote_port=task.play.remote_port, module_vars=task.module_vars,
private_key_file=self.private_key_file,
default_vars=task.default_vars, private_key_file=self.private_key_file,
setup_cache=self.SETUP_CACHE, basedir=task.play.basedir,
conditional=task.only_if, callbacks=self.runner_callbacks,
sudo=task.sudo, sudo_user=task.sudo_user,
@ -447,7 +447,7 @@ class PlayBook(object):
remote_pass=self.remote_pass, remote_port=play.remote_port, private_key_file=self.private_key_file,
setup_cache=self.SETUP_CACHE, callbacks=self.runner_callbacks, sudo=play.sudo, sudo_user=play.sudo_user,
transport=play.transport, sudo_pass=self.sudo_pass, is_playbook=True, module_vars=play.vars,
check=self.check, diff=self.diff
default_vars=play.default_vars, check=self.check, diff=self.diff
).run()
self.stats.compute(setup_results, setup=True)

52
lib/ansible/playbook/play.py
View file

@ -28,7 +28,7 @@ import os
class Play(object):
__slots__ = [
'hosts', 'name', 'vars', 'vars_prompt', 'vars_files',
'hosts', 'name', 'vars', 'default_vars', 'vars_prompt', 'vars_files',
'handlers', 'remote_user', 'remote_port',
'sudo', 'sudo_user', 'transport', 'playbook',
'tags', 'gather_facts', 'serial', '_ds', '_handlers', '_tasks',
@ -69,9 +69,17 @@ class Play(object):
elif type(self.tags) != list:
self.tags = []
ds = self._load_roles(self.roles, ds)
# We first load the vars files from the datastructure
# so we have the default variables to pass into the roles
self.vars_files = ds.get('vars_files', [])
self._update_vars_files_for_host(None)
# now we load the roles into the datastructure
ds = self._load_roles(self.roles, ds)
# and finally re-process the vars files as they may have
# been updated by the included roles
self.vars_files = ds.get('vars_files', [])
self._update_vars_files_for_host(None)
# template everything to be efficient, but do not pre-mature template
@ -153,6 +161,13 @@ class Play(object):
raise errors.AnsibleError("too many levels of recursion while resolving role dependencies")
for role in roles:
role_path,role_vars = self._get_role_path(role)
role_vars = utils.combine_vars(role_vars, passed_vars)
vars = self._resolve_main(utils.path_dwim(self.basedir, os.path.join(role_path, 'vars')))
vars_data = {}
if os.path.isfile(vars):
vars_data = utils.parse_yaml_from_file(vars)
if vars_data:
role_vars = utils.combine_vars(vars_data, role_vars)
# the meta directory contains the yaml that should
# hold the list of dependencies (if any)
meta = self._resolve_main(utils.path_dwim(self.basedir, os.path.join(role_path, 'meta')))
@ -162,17 +177,14 @@ class Play(object):
dependencies = data.get('dependencies',[])
for dep in dependencies:
(dep_path,dep_vars) = self._get_role_path(dep)
dep_vars = utils.combine_vars(passed_vars, dep_vars)
dep_vars = utils.combine_vars(role_vars, dep_vars)
vars = self._resolve_main(utils.path_dwim(self.basedir, os.path.join(dep_path, 'vars')))
vars_data = {}
if os.path.isfile(vars):
vars_data = utils.parse_yaml_from_file(vars)
dep_vars.update(role_vars)
for k in passed_vars.keys():
if not k in dep_vars:
dep_vars[k] = passed_vars[k]
for k in vars_data.keys():
if not k in dep_vars:
dep_vars[k] = vars_data[k]
if vars_data:
dep_vars = utils.combine_vars(vars_data, dep_vars)
if 'role' in dep_vars:
del dep_vars['role']
self._build_role_dependencies([dep], dep_stack, passed_vars=dep_vars, level=level+1)
@ -183,6 +195,20 @@ class Play(object):
dep_stack.append([role,role_path,role_vars])
return dep_stack
def _load_role_defaults(self, defaults_files):
# process default variables
default_vars = {}
for filename in defaults_files:
if os.path.exists(filename):
new_default_vars = utils.parse_yaml_from_file(filename)
if new_default_vars:
if type(new_default_vars) != dict:
raise errors.AnsibleError("%s must be stored as dictonary/hash: %s" % (filename, type(new_default_vars)))
default_vars = utils.combine_vars(default_vars, new_default_vars)
return default_vars
def _load_roles(self, roles, ds):
# a role is a name that auto-includes the following if they exist
# <rolename>/tasks/main.yml
@ -199,6 +225,7 @@ class Play(object):
new_tasks = []
new_handlers = []
new_vars_files = []
defaults_files = []
pre_tasks = ds.get('pre_tasks', None)
if type(pre_tasks) != list:
@ -222,10 +249,13 @@ class Play(object):
task_basepath = utils.path_dwim(self.basedir, os.path.join(role_path, 'tasks'))
handler_basepath = utils.path_dwim(self.basedir, os.path.join(role_path, 'handlers'))
vars_basepath = utils.path_dwim(self.basedir, os.path.join(role_path, 'vars'))
defaults_basepath = utils.path_dwim(self.basedir, os.path.join(role_path, 'defaults'))
task = self._resolve_main(task_basepath)
handler = self._resolve_main(handler_basepath)
vars_file = self._resolve_main(vars_basepath)
defaults_file = self._resolve_main(defaults_basepath)
library = utils.path_dwim(self.basedir, os.path.join(role_path, 'library'))
if not os.path.isfile(task) and not os.path.isfile(handler) and not os.path.isfile(vars_file) and not os.path.isdir(library):
@ -244,6 +274,8 @@ class Play(object):
new_handlers.append(nt)
if os.path.isfile(vars_file):
new_vars_files.append(vars_file)
if os.path.isfile(defaults_file):
defaults_files.append(defaults_file)
if os.path.isdir(library):
utils.plugins.module_finder.add_directory(library)
@ -275,6 +307,8 @@ class Play(object):
ds['handlers'] = new_handlers
ds['vars_files'] = new_vars_files
self.default_vars = self._load_role_defaults(defaults_files)
return ds
# *************************************************

3
lib/ansible/playbook/task.py
View file

@ -24,7 +24,7 @@ class Task(object):
__slots__ = [
'name', 'meta', 'action', 'only_if', 'when', 'async_seconds', 'async_poll_interval',
'notify', 'module_name', 'module_args', 'module_vars',
'notify', 'module_name', 'module_args', 'module_vars', 'default_vars',
'play', 'notified_by', 'tags', 'register',
'delegate_to', 'first_available_file', 'ignore_errors',
'local_action', 'transport', 'sudo', 'sudo_user', 'sudo_pass',
@ -102,6 +102,7 @@ class Task(object):
self.module_vars = module_vars
self.play = play
self.default_vars = play.default_vars
# load various attributes
self.name = ds.get('name', None)

4
lib/ansible/runner/__init__.py
View file

@ -130,6 +130,7 @@ class Runner(object):
sudo=False, # whether to run sudo or not
sudo_user=C.DEFAULT_SUDO_USER, # ex: 'root'
module_vars=None, # a playbooks internals thing
default_vars=None, # ditto
is_playbook=False, # running from playbook or not?
inventory=None, # reference to Inventory object
subset=None, # subset pattern
@ -158,6 +159,7 @@ class Runner(object):
self.inventory = utils.default(inventory, lambda: ansible.inventory.Inventory(host_list))
self.module_vars = utils.default(module_vars, lambda: {})
self.default_vars = utils.default(default_vars, lambda: {})
self.always_run = None
self.connector = connection.Connection(self)
self.conditional = conditional
@ -404,6 +406,7 @@ class Runner(object):
port = self.remote_port
inject = {}
inject = utils.combine_vars(inject, self.default_vars)
inject = utils.combine_vars(inject, host_variables)
inject = utils.combine_vars(inject, self.module_vars)
inject = utils.combine_vars(inject, self.setup_cache[host])
@ -412,6 +415,7 @@ class Runner(object):
inject['group_names'] = host_variables.get('group_names', [])
inject['groups'] = self.inventory.groups_list()
inject['vars'] = self.module_vars
inject['defaults'] = self.default_vars
inject['environment'] = self.environment
if self.inventory.basedir() is not None: