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Create a Jinja2 environment allowing includes

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This commit is contained in:
Daniel Hokka Zakrisson 2012-06-17 22:18:08 +02:00
parent 2cabbd50fc
commit 9f93839d13
2 changed files with 15 additions and 18 deletions
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3
lib/ansible/runner/__init__.py
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@ -586,8 +586,7 @@ class Runner(object):
# template the source data locally # template the source data locally
try: try:
resultant = utils.template_from_file(utils.path_dwim(self.basedir, source), resultant = utils.template_from_file(self.basedir, source, inject, self.setup_cache)
inject, self.setup_cache, no_engine=False)
except Exception, e: except Exception, e:
result = dict(failed=True, msg=str(e)) result = dict(failed=True, msg=str(e))
return ReturnData(host=conn.host, comm_ok=False, result=result) return ReturnData(host=conn.host, comm_ok=False, result=result)

28
lib/ansible/utils.py
View file

@ -265,35 +265,33 @@ def varReplace(raw, vars):
return ''.join(done) return ''.join(done)
def _template(text, vars, setup_cache=None, no_engine=True): def _template(text, vars, setup_cache=None):
''' run a text buffer through the templating engine ''' ''' run a text buffer through the templating engine '''
vars = vars.copy() vars = vars.copy()
vars['hostvars'] = setup_cache vars['hostvars'] = setup_cache
text = varReplace(unicode(text), vars) text = varReplace(unicode(text), vars)
if no_engine:
# used when processing include: directives so that Jinja is evaluated
# in a later context when more variables are available
return text return text
else:
template = jinja2.Template(text)
res = template.render(vars)
if text.endswith('\n') and not res.endswith('\n'):
res = res + '\n'
return res
def template(text, vars, setup_cache=None, no_engine=True): def template(text, vars, setup_cache=None):
''' run a text buffer through the templating engine ''' run a text buffer through the templating engine
until it no longer changes ''' until it no longer changes '''
prev_text = '' prev_text = ''
while prev_text != text: while prev_text != text:
prev_text = text prev_text = text
text = _template(text, vars, setup_cache, no_engine) text = _template(text, vars, setup_cache)
return text return text
def template_from_file(path, vars, setup_cache, no_engine=True): def template_from_file(basedir, path, vars, setup_cache):
''' run a file through the templating engine ''' ''' run a file through the templating engine '''
data = codecs.open(path, encoding="utf8").read() environment = jinja2.Environment(loader=jinja2.FileSystemLoader(basedir), trim_blocks=False)
return template(data, vars, setup_cache, no_engine=no_engine) data = codecs.open(path_dwim(basedir, path), encoding="utf8").read()
template = environment.from_string(data)
vars = vars.copy()
vars['hostvars'] = setup_cache
res = template.render(vars)
if data.endswith('\n') and not res.endswith('\n'):
res = res + '\n'
return res
def parse_yaml(data): def parse_yaml(data):
return yaml.load(data) return yaml.load(data)