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# vi: ts=4 expandtab
#
# Author: Jeff Bauer <jbauer@rubic.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
import os
import os.path
import subprocess
import cloudinit.CloudConfig as cc
import yaml
def handle(_name, cfg, _cloud, _log, _args):
# If there isn't a salt key in the configuration don't do anything
if 'salt_minion' not in cfg:
return
salt_cfg = cfg['salt_minion']
# Start by installing the salt package ...
cc.install_packages(("salt",))
config_dir = '/etc/salt'
if not os.path.isdir(config_dir):
os.makedirs(config_dir)
# ... and then update the salt configuration
if 'conf' in salt_cfg:
# Add all sections from the conf object to /etc/salt/minion
minion_config = os.path.join(config_dir, 'minion')
yaml.dump(salt_cfg['conf'],
file(minion_config, 'w'),
default_flow_style=False)
# ... copy the key pair if specified
if 'public_key' in salt_cfg and 'private_key' in salt_cfg:
pki_dir = '/etc/salt/pki'
cumask = os.umask(077)
if not os.path.isdir(pki_dir):
os.makedirs(pki_dir)
pub_name = os.path.join(pki_dir, 'minion.pub')
pem_name = os.path.join(pki_dir, 'minion.pem')
with open(pub_name, 'w') as f:
f.write(salt_cfg['public_key'])
with open(pem_name, 'w') as f:
f.write(salt_cfg['private_key'])
os.umask(cumask)
# Start salt-minion
subprocess.check_call(['service', 'salt-minion', 'start'])
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