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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
from cloudinit import util
# Note: see http://saltstack.org/topics/installation/
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:
log.debug(("Skipping module named %s,"
" no 'salt_minion' key in configuration"), name)
return
salt_cfg = cfg['salt_minion']
# Start by installing the salt package ...
cloud.distro.install_packages(["salt"])
# Ensure we can configure files at the right dir
config_dir = cloud.paths.join(False, salt_cfg.get("config_dir",
'/etc/salt'))
util.ensure_dir(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')
minion_data = util.yaml_dumps(salt_cfg.get('conf'))
util.write_file(minion_config, minion_data)
# ... copy the key pair if specified
if 'public_key' in salt_cfg and 'private_key' in salt_cfg:
pki_dir = cloud.paths.join(False, salt_cfg.get('pki_dir',
'/etc/salt/pki'))
with util.umask(077):
util.ensure_dir(pki_dir)
pub_name = os.path.join(pki_dir, 'minion.pub')
pem_name = os.path.join(pki_dir, 'minion.pem')
util.write_file(pub_name, salt_cfg['public_key'])
util.write_file(pem_name, salt_cfg['private_key'])
# Start salt-minion
util.subp(['service', 'salt-minion', 'start'], capture=False)
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