Add external vars example

pull/28/merge
Michael DeHaan 12 years ago
parent e582bd5ec5
commit adf1492da2

@ -0,0 +1,3 @@
---
alpha: one
beta: two

@ -4,6 +4,8 @@
vars:
http_port: 80
max_clients: 200
vars_files:
- external_vars.yml
tasks:
- name: simulate long running op (15 sec), wait for up to 45, poll every 5
action: command /bin/sleep 15

@ -85,12 +85,25 @@ class PlayBook(object):
self.basedir = os.path.dirname(playbook)
self.playbook = self._parse_playbook(playbook)
def _get_vars(self, play, dirname):
vars = play.get('vars', {})
vars_files = play.get('vars_files', [])
for f in vars_files:
path = path_dwim(dirname, f)
# FIXME: better error handling if not valid YAML
# or file not found
# raise typed exception
data = file(path).read()
data = yaml.load(data)
vars.update(data)
return vars
def _include_tasks(self, play, task, dirname, new_tasks):
# an include line looks like:
# include: some.yml a=2 b=3 c=4
include_tokens = task['include'].split()
path = path_dwim(dirname, include_tokens[0])
inject_vars = play.get('vars', {})
inject_vars = self._get_vars(play, dirname)
for i,x in enumerate(include_tokens):
if x.find("=") != -1:
(k,v) = x.split("=")
@ -105,7 +118,7 @@ class PlayBook(object):
def _include_handlers(self, play, handler, dirname, new_handlers):
path = path_dwim(dirname, handler['include'])
included = file(path).read()
inject_vars = play.get('vars', {})
inject_vars = self._get_vars(play, dirname)
template = jinja2.Template(included)
included = template.render(inject_vars)
included = yaml.load(included)
@ -383,7 +396,8 @@ class PlayBook(object):
# get configuration information about the pattern
pattern = pg['hosts']
vars = pg.get('vars', {})
vars = self._get_vars(pg, self.basedir)
tasks = pg['tasks']
handlers = pg['handlers']
user = pg.get('user', C.DEFAULT_REMOTE_USER)

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