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community.general/library/setup
Michael DeHaan 1d75a29ec9 Allow variables coming in from the playbook and the API to be expressed as dictionaries throughout their full life cycle
such that nested data can be made available in templates and playbooks.
2012-04-10 20:58:40 -04:00

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Python
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#!/usr/bin/python
# (c) 2012, 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/>.
DEFAULT_ANSIBLE_SETUP = "/etc/ansible/setup"
import sys
import os
import shlex
import subprocess
import traceback
try:
import json
except ImportError:
import simplejson as json
# load config & template variables
if len(sys.argv) == 1:
sys.exit(1)
argfile = sys.argv[1]
if not os.path.exists(argfile):
sys.exit(1)
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
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
if not os.path.exists(ansible_dir):
os.makedirs(ansible_dir)
changed = False
md5sum = None
if not os.path.exists(ansible_file):
changed = True
else:
md5sum = os.popen("md5sum %s" % ansible_file).read().split()[0]
# if facter is installed, and we can use --json because
# ruby-json is ALSO installed, include facter data in the JSON
if os.path.exists("/usr/bin/facter"):
cmd = subprocess.Popen("/usr/bin/facter --json", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
facter = True
try:
facter_ds = json.loads(out)
except:
facter = False
if facter:
for (k,v) in facter_ds.items():
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
# templating w/o making a nicer key for it (TODO)
if os.path.exists("/usr/bin/ohai"):
cmd = subprocess.Popen("/usr/bin/ohai", shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
ohai = True
try:
ohai_ds = json.loads(out)
except:
ohai = False
if ohai:
for (k,v) in ohai_ds.items():
if type(v) == str or type(v) == unicode:
k2 = "ohai_%s" % k
setup_options[k2] = v
# write the template/settings file using
# instructions from server
f = open(ansible_file, "w+")
reformat = json.dumps(setup_options, sort_keys=True, indent=4)
f.write(reformat)
f.close()
md5sum2 = os.popen("md5sum %s" % ansible_file).read().split()[0]
if md5sum != md5sum2:
changed = True
setup_options['written'] = ansible_file
setup_options['changed'] = changed
setup_options['md5sum'] = md5sum2
print json.dumps(setup_options)