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Smush the braces in various places (hey, that rhymes) to avoid undo key=value splitting surprises

Browse source 
in new template system.
This commit is contained in:
Michael DeHaan 2013-04-22 22:03:39 -04:00
parent 4350585a1f
commit 6c778acd91
4 changed files with 26 additions and 21 deletions
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14
lib/ansible/playbook/__init__.py
View file

@ -18,7 +18,7 @@
import ansible.inventory
import ansible.constants as C
import ansible.runner
from ansible.utils import template
from ansible.utils.template import template, smush_braces
from ansible import utils
from ansible import errors
import ansible.callbacks
@ -159,7 +159,7 @@ class PlayBook(object):
# a playbook (list of plays) decided to include some other list of plays
# from another file. The result is a flat list of plays in the end.
tokens = shlex.split(play['include'])
tokens = shlex.split(smush_braces(play['include']))
incvars = vars.copy()
if 'vars' in play:
@ -175,9 +175,9 @@ class PlayBook(object):
for t in tokens[1:]:
(k,v) = t.split("=", 1)
incvars[k] = template.template(basedir, v, incvars)
incvars[k] = template(basedir, v, incvars)
included_path = utils.path_dwim(basedir, template.template(basedir, tokens[0], incvars))
included_path = utils.path_dwim(basedir, template(basedir, tokens[0], incvars))
(plays, basedirs) = self._load_playbook_from_file(included_path, incvars)
for p in plays:
# support for parameterized play includes works by passing
@ -323,7 +323,7 @@ class PlayBook(object):
ansible.callbacks.set_task(self.callbacks, task)
ansible.callbacks.set_task(self.runner_callbacks, task)
self.callbacks.on_task_start(template.template(play.basedir, task.name, task.module_vars, lookup_fatal=False), is_handler)
self.callbacks.on_task_start(template(play.basedir, task.name, task.module_vars, lookup_fatal=False), is_handler)
if hasattr(self.callbacks, 'skip_task') and self.callbacks.skip_task:
return True
@ -366,7 +366,7 @@ class PlayBook(object):
for host, results in results.get('contacted',{}).iteritems():
if results.get('changed', False):
for handler_name in task.notify:
self._flag_handler(play, template.template(play.basedir, handler_name, task.module_vars), host)
self._flag_handler(play, template(play.basedir, handler_name, task.module_vars), host)
return hosts_remaining
@ -381,7 +381,7 @@ class PlayBook(object):
found = False
for x in play.handlers():
if handler_name == template.template(play.basedir, x.name, x.module_vars):
if handler_name == template(play.basedir, x.name, x.module_vars):
found = True
self.callbacks.on_notify(host, x.name)
x.notified_by.append(host)

20
lib/ansible/playbook/play.py
View file

@ -17,7 +17,7 @@
#############################################
from ansible.utils import template
from ansible.utils.template import template, smush_braces
from ansible import utils
from ansible import errors
from ansible.playbook.task import Task
@ -69,7 +69,7 @@ class Play(object):
# tasks/handlers as they may have inventory scope overrides
_tasks = ds.pop('tasks', [])
_handlers = ds.pop('handlers', [])
ds = template.template(basedir, ds, self.vars)
ds = template(basedir, ds, self.vars)
ds['tasks'] = _tasks
ds['handlers'] = _handlers
@ -239,7 +239,7 @@ class Play(object):
task_vars['_original_file'] = original_file
if 'include' in x:
tokens = shlex.split(str(x['include']))
tokens = shlex.split(smush_braces(str(x['include'])))
items = ['']
included_additional_conditions = list(additional_conditions)
for k in x:
@ -247,7 +247,7 @@ class Play(object):
plugin_name = k[5:]
if plugin_name not in utils.plugins.lookup_loader:
raise errors.AnsibleError("cannot find lookup plugin named %s for usage in with_%s" % (plugin_name, plugin_name))
terms = template.template(self.basedir, x[k], task_vars)
terms = template(self.basedir, x[k], task_vars)
items = utils.plugins.lookup_loader.get(plugin_name, basedir=self.basedir, runner=None).run(terms, inject=task_vars)
elif k.startswith("when_"):
included_additional_conditions.append(utils.compile_when_to_only_if("%s %s" % (k[5:], x[k])))
@ -268,11 +268,11 @@ class Play(object):
mv['item'] = item
for t in tokens[1:]:
(k,v) = t.split("=", 1)
mv[k] = template.template(self.basedir, v, mv)
mv[k] = template(self.basedir, v, mv)
dirname = self.basedir
if original_file:
dirname = os.path.dirname(original_file)
include_file = template.template(dirname, tokens[0], mv)
include_file = template(dirname, tokens[0], mv)
include_filename = utils.path_dwim(dirname, include_file)
data = utils.parse_yaml_from_file(include_filename)
results += self._load_tasks(data, mv, included_additional_conditions, original_file=include_filename)
@ -415,10 +415,10 @@ class Play(object):
found = False
sequence = []
for real_filename in filename:
filename2 = template.template(self.basedir, real_filename, self.vars)
filename2 = template(self.basedir, real_filename, self.vars)
filename3 = filename2
if host is not None:
filename3 = template.template(self.basedir, filename2, inject)
filename3 = template(self.basedir, filename2, inject)
filename4 = utils.path_dwim(self.basedir, filename3)
sequence.append(filename4)
if os.path.exists(filename4):
@ -448,10 +448,10 @@ class Play(object):
else:
# just one filename supplied, load it!
filename2 = template.template(self.basedir, filename, self.vars)
filename2 = template(self.basedir, filename, self.vars)
filename3 = filename2
if host is not None:
filename3 = template.template(self.basedir, filename2, inject)
filename3 = template(self.basedir, filename2, inject)
filename4 = utils.path_dwim(self.basedir, filename3)
if self._has_vars_in(filename4):
continue

4
lib/ansible/playbook/task.py
View file

@ -57,6 +57,10 @@ class Task(object):
# code to allow for saying "modulename: args" versus "action: modulename args"
if x in utils.plugins.module_finder:
if 'include' in ds and isinstance(ds, basestring):
ds['include'] = template.smush_braces(ds['include'])
if 'action' in ds:
raise errors.AnsibleError("multiple actions specified in task %s" % (ds.get('name', ds['action'])))
if isinstance(ds[x], dict):

9
lib/ansible/utils/template.py
View file

@ -437,7 +437,7 @@ def template_from_file(basedir, path, vars):
res = res + '\n'
return template(basedir, res, vars)
def _smush_braces(data):
def smush_braces(data):
''' smush Jinaj2 braces so unresolved templates like {{ foo }} don't get parsed weird by key=value code '''
while data.find('{{ ') != -1:
data = data.replace('{{ ', '{{')
@ -448,7 +448,7 @@ def _smush_braces(data):
def template_from_string(basedir, data, vars):
''' run a file through the (Jinja2) templating engine '''
data = _smush_braces(data)
data = smush_braces(data)
try:
if type(data) == str:
@ -462,8 +462,9 @@ def template_from_string(basedir, data, vars):
try:
t = environment.from_string(data)
except RuntimeError, re:
if 'recursion' in str(re):
except Exception, e:
print "DEBUG: data = %s" % data
if 'recursion' in str(e):
raise errors.AnsibleError("recursive loop detected in template string: %s" % data)
else:
return data