mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-16 01:50:39 +00:00
157 lines
6.8 KiB
Python
157 lines
6.8 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
|
|
#
|
|
# This file is part of Ansible
|
|
#
|
|
# Ansible is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Ansible is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# Make coding more python3-ish
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
import os
|
|
|
|
from ansible.errors import AnsibleParserError, AnsibleAssertionError
|
|
from ansible.module_utils.six import iteritems, string_types
|
|
from ansible.parsing.splitter import split_args, parse_kv
|
|
from ansible.parsing.yaml.objects import AnsibleBaseYAMLObject, AnsibleMapping
|
|
from ansible.playbook.attribute import FieldAttribute
|
|
from ansible.playbook.base import Base
|
|
from ansible.playbook.conditional import Conditional
|
|
from ansible.playbook.taggable import Taggable
|
|
from ansible.template import Templar
|
|
|
|
|
|
class PlaybookInclude(Base, Conditional, Taggable):
|
|
|
|
_import_playbook = FieldAttribute(isa='string')
|
|
_vars = FieldAttribute(isa='dict', default=dict)
|
|
|
|
@staticmethod
|
|
def load(data, basedir, variable_manager=None, loader=None):
|
|
return PlaybookInclude().load_data(ds=data, basedir=basedir, variable_manager=variable_manager, loader=loader)
|
|
|
|
def load_data(self, ds, basedir, variable_manager=None, loader=None):
|
|
'''
|
|
Overrides the base load_data(), as we're actually going to return a new
|
|
Playbook() object rather than a PlaybookInclude object
|
|
'''
|
|
|
|
# import here to avoid a dependency loop
|
|
from ansible.playbook import Playbook
|
|
from ansible.playbook.play import Play
|
|
|
|
# first, we use the original parent method to correctly load the object
|
|
# via the load_data/preprocess_data system we normally use for other
|
|
# playbook objects
|
|
new_obj = super(PlaybookInclude, self).load_data(ds, variable_manager, loader)
|
|
|
|
all_vars = self.vars.copy()
|
|
if variable_manager:
|
|
all_vars.update(variable_manager.get_vars())
|
|
|
|
templar = Templar(loader=loader, variables=all_vars)
|
|
|
|
# then we use the object to load a Playbook
|
|
pb = Playbook(loader=loader)
|
|
|
|
file_name = templar.template(new_obj.import_playbook)
|
|
if not os.path.isabs(file_name):
|
|
file_name = os.path.join(basedir, file_name)
|
|
|
|
pb._load_playbook_data(file_name=file_name, variable_manager=variable_manager, vars=self.vars.copy())
|
|
|
|
# finally, update each loaded playbook entry with any variables specified
|
|
# on the included playbook and/or any tags which may have been set
|
|
for entry in pb._entries:
|
|
|
|
# conditional includes on a playbook need a marker to skip gathering
|
|
if new_obj.when and isinstance(entry, Play):
|
|
entry._included_conditional = new_obj.when[:]
|
|
|
|
temp_vars = entry.vars.copy()
|
|
temp_vars.update(new_obj.vars)
|
|
param_tags = temp_vars.pop('tags', None)
|
|
if param_tags is not None:
|
|
entry.tags.extend(param_tags.split(','))
|
|
entry.vars = temp_vars
|
|
entry.tags = list(set(entry.tags).union(new_obj.tags))
|
|
if entry._included_path is None:
|
|
entry._included_path = os.path.dirname(file_name)
|
|
|
|
# Check to see if we need to forward the conditionals on to the included
|
|
# plays. If so, we can take a shortcut here and simply prepend them to
|
|
# those attached to each block (if any)
|
|
if new_obj.when:
|
|
for task_block in (entry.pre_tasks + entry.roles + entry.tasks + entry.post_tasks):
|
|
task_block._attributes['when'] = new_obj.when[:] + task_block.when[:]
|
|
|
|
return pb
|
|
|
|
def preprocess_data(self, ds):
|
|
'''
|
|
Regorganizes the data for a PlaybookInclude datastructure to line
|
|
up with what we expect the proper attributes to be
|
|
'''
|
|
|
|
if not isinstance(ds, dict):
|
|
raise AnsibleAssertionError('ds (%s) should be a dict but was a %s' % (ds, type(ds)))
|
|
|
|
# the new, cleaned datastructure, which will have legacy
|
|
# items reduced to a standard structure
|
|
new_ds = AnsibleMapping()
|
|
if isinstance(ds, AnsibleBaseYAMLObject):
|
|
new_ds.ansible_pos = ds.ansible_pos
|
|
|
|
for (k, v) in iteritems(ds):
|
|
if k in ('include', 'import_playbook'):
|
|
self._preprocess_import(ds, new_ds, k, v)
|
|
else:
|
|
# some basic error checking, to make sure vars are properly
|
|
# formatted and do not conflict with k=v parameters
|
|
if k == 'vars':
|
|
if 'vars' in new_ds:
|
|
raise AnsibleParserError("import_playbook parameters cannot be mixed with 'vars' entries for import statements", obj=ds)
|
|
elif not isinstance(v, dict):
|
|
raise AnsibleParserError("vars for import_playbook statements must be specified as a dictionary", obj=ds)
|
|
new_ds[k] = v
|
|
|
|
return super(PlaybookInclude, self).preprocess_data(new_ds)
|
|
|
|
def _preprocess_import(self, ds, new_ds, k, v):
|
|
'''
|
|
Splits the playbook import line up into filename and parameters
|
|
'''
|
|
|
|
if v is None:
|
|
raise AnsibleParserError("playbook import parameter is missing", obj=ds)
|
|
elif not isinstance(v, string_types):
|
|
raise AnsibleParserError("playbook import parameter must be a string indicating a file path, got %s instead" % type(v), obj=ds)
|
|
|
|
# The import_playbook line must include at least one item, which is the filename
|
|
# to import. Anything after that should be regarded as a parameter to the import
|
|
items = split_args(v)
|
|
if len(items) == 0:
|
|
raise AnsibleParserError("import_playbook statements must specify the file name to import", obj=ds)
|
|
else:
|
|
new_ds['import_playbook'] = items[0]
|
|
if len(items) > 1:
|
|
# rejoin the parameter portion of the arguments and
|
|
# then use parse_kv() to get a dict of params back
|
|
params = parse_kv(" ".join(items[1:]))
|
|
if 'tags' in params:
|
|
new_ds['tags'] = params.pop('tags')
|
|
if 'vars' in new_ds:
|
|
raise AnsibleParserError("import_playbook parameters cannot be mixed with 'vars' entries for import statements", obj=ds)
|
|
new_ds['vars'] = params
|