Created
April 21, 2014 08:45
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Inventory to demonstrate problem wit Ansible's function get_group_variablee()
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admins: | |
- jurgenhaas | |
- maxmustermann | |
- lieschenmueller | |
testvar: 'abc' |
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testvar: 'hallo' |
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testvar: 'hallo from vm1' |
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testvar: 'hallo from vm3' |
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[vmhosts] | |
vm1 | |
vm3 |
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#!/usr/bin/env 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/>. | |
######################################################## | |
import os | |
import sys | |
import json | |
from ansible.runner import Runner | |
import ansible.constants as C | |
from ansible import utils | |
from ansible import errors | |
from ansible import callbacks | |
from ansible import inventory | |
######################################################## | |
class Cli(object): | |
''' code behind bin/ansible ''' | |
# ---------------------------------------------- | |
def __init__(self): | |
self.stats = callbacks.AggregateStats() | |
self.callbacks = callbacks.CliRunnerCallbacks() | |
# ---------------------------------------------- | |
def parse(self): | |
''' create an options parser for bin/ansible ''' | |
parser = utils.base_parser( | |
constants=C, | |
runas_opts=True, | |
subset_opts=True, | |
async_opts=True, | |
output_opts=True, | |
connect_opts=True, | |
check_opts=True, | |
diff_opts=False, | |
usage='%prog <host-pattern> [options]' | |
) | |
parser.add_option('-a', '--args', dest='module_args', | |
help="module arguments", default=C.DEFAULT_MODULE_ARGS) | |
parser.add_option('-m', '--module-name', dest='module_name', | |
help="module name to execute (default=%s)" % C.DEFAULT_MODULE_NAME, | |
default=C.DEFAULT_MODULE_NAME) | |
options, args = parser.parse_args() | |
self.callbacks.options = options | |
if len(args) == 0 or len(args) > 1: | |
parser.print_help() | |
sys.exit(1) | |
# su and sudo command line arguments need to be mutually exclusive | |
if (options.su or options.su_user or options.ask_su_pass) and \ | |
(options.sudo or options.sudo_user or options.ask_sudo_pass): | |
parser.error("Sudo arguments ('--sudo', '--sudo-user', and '--ask-sudo-pass') " | |
"and su arguments ('-su', '--su-user', and '--ask-su-pass') are " | |
"mutually exclusive") | |
if (options.ask_vault_pass and options.vault_password_file): | |
parser.error("--ask-vault-pass and --vault-password-file are mutually exclusive") | |
return (options, args) | |
# ---------------------------------------------- | |
def run(self, options, args): | |
''' use Runner lib to do SSH things ''' | |
pattern = args[0] | |
""" | |
inventory_manager = inventory.Inventory(options.inventory) | |
if options.subset: | |
inventory_manager.subset(options.subset) | |
hosts = inventory_manager.list_hosts(pattern) | |
if len(hosts) == 0: | |
callbacks.display("No hosts matched") | |
sys.exit(0) | |
if options.listhosts: | |
for host in hosts: | |
callbacks.display(' %s' % host) | |
sys.exit(0) | |
if ((options.module_name == 'command' or options.module_name == 'shell') | |
and not options.module_args): | |
callbacks.display("No argument passed to %s module" % options.module_name, color='red', stderr=True) | |
sys.exit(1) | |
""" | |
sshpass = None | |
sudopass = None | |
su_pass = None | |
vault_pass = None | |
options.ask_pass = options.ask_pass or C.DEFAULT_ASK_PASS | |
# Never ask for an SSH password when we run with local connection | |
if options.connection == "local": | |
options.ask_pass = False | |
options.ask_sudo_pass = options.ask_sudo_pass or C.DEFAULT_ASK_SUDO_PASS | |
options.ask_su_pass = options.ask_su_pass or C.DEFAULT_ASK_SU_PASS | |
options.ask_vault_pass = options.ask_vault_pass or C.DEFAULT_ASK_VAULT_PASS | |
(sshpass, sudopass, su_pass, vault_pass) = utils.ask_passwords(ask_pass=options.ask_pass, ask_sudo_pass=options.ask_sudo_pass, ask_su_pass=options.ask_su_pass, ask_vault_pass=options.ask_vault_pass) | |
# read vault_pass from a file | |
if options.vault_password_file: | |
this_path = os.path.expanduser(options.vault_password_file) | |
try: | |
f = open(this_path, "rb") | |
tmp_vault_pass=f.read().strip() | |
f.close() | |
except (OSError, IOError), e: | |
raise errors.AnsibleError("Could not read %s: %s" % (this_path, e)) | |
if not options.ask_vault_pass: | |
vault_pass = tmp_vault_pass | |
inventory_manager = inventory.Inventory(options.inventory) | |
if options.subset: | |
inventory_manager.subset(options.subset) | |
hosts = inventory_manager.list_hosts(pattern) | |
if len(hosts) == 0: | |
callbacks.display("No hosts matched") | |
sys.exit(0) | |
if options.listhosts: | |
for host in hosts: | |
callbacks.display(' %s' % host) | |
sys.exit(0) | |
if ((options.module_name == 'command' or options.module_name == 'shell') | |
and not options.module_args): | |
callbacks.display("No argument passed to %s module" % options.module_name, color='red', stderr=True) | |
sys.exit(1) | |
if options.su_user or options.ask_su_pass: | |
options.su = True | |
options.sudo_user = options.sudo_user or C.DEFAULT_SUDO_USER | |
options.su_user = options.su_user or C.DEFAULT_SU_USER | |
if options.tree: | |
utils.prepare_writeable_dir(options.tree) | |
runner = Runner( | |
module_name=options.module_name, | |
module_path=options.module_path, | |
module_args=options.module_args, | |
remote_user=options.remote_user, | |
remote_pass=sshpass, | |
inventory=inventory_manager, | |
timeout=options.timeout, | |
private_key_file=options.private_key_file, | |
forks=options.forks, | |
pattern=pattern, | |
callbacks=self.callbacks, | |
sudo=options.sudo, | |
sudo_pass=sudopass, | |
sudo_user=options.sudo_user, | |
transport=options.connection, | |
subset=options.subset, | |
check=options.check, | |
diff=options.check, | |
su=options.su, | |
su_pass=su_pass, | |
su_user=options.su_user, | |
vault_pass=vault_pass | |
) | |
if options.seconds: | |
callbacks.display("background launch...\n\n", color='cyan') | |
results, poller = runner.run_async(options.seconds) | |
results = self.poll_while_needed(poller, options) | |
else: | |
results = runner.run() | |
return (runner, results) | |
# ---------------------------------------------- | |
def poll_while_needed(self, poller, options): | |
''' summarize results from Runner ''' | |
# BACKGROUND POLL LOGIC when -B and -P are specified | |
if options.seconds and options.poll_interval > 0: | |
poller.wait(options.seconds, options.poll_interval) | |
return poller.results | |
######################################################## | |
if __name__ == '__main__': | |
callbacks.display("", log_only=True) | |
callbacks.display(" ".join(sys.argv), log_only=True) | |
callbacks.display("", log_only=True) | |
cli = Cli() | |
(options, args) = cli.parse() | |
inventory_manager = inventory.Inventory(options.inventory) | |
gvars = inventory_manager.get_group_variables('vmhosts') | |
hvars = inventory_manager.get_variables('vm1') | |
print 'group vars:' + json.dumps(gvars) | |
print 'host vars:' + json.dumps(hvars) |
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