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Allow variables coming in from the playbook and the API to be expressed as dictionaries throughout their full life cycle

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such that nested data can be made available in templates and playbooks.
This commit is contained in:
Michael DeHaan 2012-04-10 20:58:40 -04:00
parent 5a4d4bc051
commit 1d75a29ec9
4 changed files with 75 additions and 36 deletions
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11
lib/ansible/playbook.py
View file

@ -436,24 +436,17 @@ class PlayBook(object):
else:
self.callbacks.on_setup_primary()
# first run the setup task on every node, which gets the variables
# written to the JSON file and will also bubble facts back up via
# magic in Runner()
push_var_str=''
for (k,v) in vars.iteritems():
push_var_str += "%s=\"%s\" " % (k,v)
host_list = [ h for h in self.host_list if not (h in self.stats.failures or h in self.stats.dark) ]
# push any variables down to the system
setup_results = ansible.runner.Runner(
pattern=pattern, groups=self.groups, module_name='setup',
module_args=push_var_str, host_list=host_list,
module_args=vars, host_list=host_list,
forks=self.forks, module_path=self.module_path,
timeout=self.timeout, remote_user=user,
remote_pass=self.remote_pass, remote_port=self.remote_port,
setup_cache=SETUP_CACHE,
callbacks=self.runner_callbacks, sudo=sudo,
callbacks=self.runner_callbacks, sudo=sudo, debug=self.debug,
).run()
self.stats.compute(setup_results, setup=True)

48
lib/ansible/runner.py
View file

@ -113,8 +113,8 @@ class Runner(object):
self.basedir = basedir
self.sudo = sudo
if type(self.module_args) != str:
raise Exception("module_args must be a string: %s" % self.module_args)
if type(self.module_args) != str and type(self.module_args) != dict:
raise Exception("module_args must be a string or dict: %s" % self.module_args)
self._tmp_paths = {}
random.seed()
@ -271,6 +271,9 @@ class Runner(object):
def _transfer_str(self, conn, tmp, name, args_str):
''' transfer arguments as a single file to be fed to the module. '''
if type(args_str) == dict:
args_str = utils.smjson(args_str)
args_fd, args_file = tempfile.mkstemp()
args_fo = os.fdopen(args_fd, 'w')
args_fo.write(args_str)
@ -316,23 +319,43 @@ class Runner(object):
def _add_setup_vars(self, inject, args):
''' setup module variables need special handling '''
is_dict = False
if type(args) == dict:
is_dict = True
# TODO: keep this as a dict through the whole path to simplify this code
for (k,v) in inject.iteritems():
if not k.startswith('facter_') and not k.startswith('ohai_'):
if str(v).find(" ") != -1:
v = "\"%s\"" % v
args += " %s=%s" % (k, str(v).replace(" ","~~~"))
if not is_dict:
if str(v).find(" ") != -1:
v = "\"%s\"" % v
args += " %s=%s" % (k, str(v).replace(" ","~~~"))
else:
args[k]=v
return args
# *****************************************************
def _add_setup_metadata(self, args):
''' automatically determine where to store variables for the setup module '''
is_dict = False
if type(args) == dict:
is_dict = True
if args.find("metadata=") == -1:
if self.remote_user == 'root':
args = "%s metadata=/etc/ansible/setup" % args
else:
args = "%s metadata=/home/%s/.ansible/setup" % (args, self.remote_user)
# TODO: keep this as a dict through the whole path to simplify this code
if not is_dict:
if args.find("metadata=") == -1:
if self.remote_user == 'root':
args = "%s metadata=/etc/ansible/setup" % args
else:
args = "%s metadata=/home/%s/.ansible/setup" % (args, self.remote_user)
else:
if not 'metadata' in args:
if self.remote_user == 'root':
args['metadata'] = '/etc/ansible/setup'
else:
args['metadata'] = "/home/%s/.ansible/setup" % (self.remote_user)
return args
# *****************************************************
@ -352,9 +375,11 @@ class Runner(object):
args = self._add_setup_vars(inject, args)
args = self._add_setup_metadata(args)
if type(args) == dict:
args = utils.bigjson(args)
args = utils.template(args, inject)
module_name_tail = remote_module_path.split("/")[-1]
client_executed_str = "%s %s" % (module_name_tail, args.strip())
argsfile = self._transfer_str(conn, tmp, 'arguments', args)
if async_jid is None:
@ -368,6 +393,7 @@ class Runner(object):
res, err = self._exec_command(conn, cmd, tmp, sudoable=True)
client_executed_str = "%s %s" % (module_name_tail, args.strip())
return ( res, err, client_executed_str )
# *****************************************************

33
library/setup
View file

@ -23,6 +23,7 @@ import sys
import os
import shlex
import subprocess
import traceback
try:
import json
@ -34,18 +35,22 @@ except ImportError:
if len(sys.argv) == 1:
sys.exit(1)
argfile = sys.argv[1]
if not os.path.exists(argfile):
sys.exit(1)
input_data = shlex.split(open(argfile, 'r').read())
setup_options = open(argfile).read().strip()
try:
setup_options = json.loads(setup_options)
except:
list_options = shlex.split(setup_options)
setup_options = {}
for opt in list_options:
(k,v) = opt.split("=")
setup_options[k]=v
# turn urlencoded k=v string (space delimited) to regular k=v directionary
splitted = [x.split('=',1) for x in input_data ]
splitted = [ (x[0], x[1].replace("~~~"," ")) for x in splitted ]
new_options = dict(splitted)
ansible_file = new_options.get('metadata', DEFAULT_ANSIBLE_SETUP)
ansible_file = setup_options.get('metadata', DEFAULT_ANSIBLE_SETUP)
ansible_dir = os.path.dirname(ansible_file)
# create the config dir if it doesn't exist
@ -74,7 +79,7 @@ if os.path.exists("/usr/bin/facter"):
facter = False
if facter:
for (k,v) in facter_ds.items():
new_options["facter_%s" % k] = v
setup_options["facter_%s" % k] = v
# ditto for ohai, but just top level string keys
# because it contains a lot of nested stuff we can't use for
@ -93,13 +98,13 @@ if os.path.exists("/usr/bin/ohai"):
for (k,v) in ohai_ds.items():
if type(v) == str or type(v) == unicode:
k2 = "ohai_%s" % k
new_options[k2] = v
setup_options[k2] = v
# write the template/settings file using
# instructions from server
f = open(ansible_file, "w+")
reformat = json.dumps(new_options, sort_keys=True, indent=4)
reformat = json.dumps(setup_options, sort_keys=True, indent=4)
f.write(reformat)
f.close()
@ -108,9 +113,9 @@ md5sum2 = os.popen("md5sum %s" % ansible_file).read().split()[0]
if md5sum != md5sum2:
changed = True
new_options['written'] = ansible_file
new_options['changed'] = changed
new_options['md5sum'] = md5sum2
setup_options['written'] = ansible_file
setup_options['changed'] = changed
setup_options['md5sum'] = md5sum2
print json.dumps(new_options)
print json.dumps(setup_options)

19
test/playbook1.events
View file

@ -15,7 +15,7 @@
"answer": "Wuh, I think so, Brain, but if we didn't have ears, we'd look like weasels.",
"changed": true,
"metadata": "/etc/ansible/setup",
"port": "5150",
"port": 5150,
"written": "/etc/ansible/setup"
}
]
@ -44,7 +44,7 @@
"cow": "moo",
"duck": "quack",
"metadata": "/etc/ansible/setup",
"port": "5150",
"port": 5150,
"testing": "default",
"written": "/etc/ansible/setup"
}
@ -228,6 +228,21 @@
"127.0.0.2"
]
],
[
"ok",
[
"127.0.0.2",
{
"started": 1
}
]
],
[
"async poll",
[
"127.0.0.2"
]
],
[
"ok",
[