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#!/usr/bin/env python
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import json
import logging
import os
import subprocess
import sys
WORKING_DIR = os.environ.get('HEAT_ANSIBLE_WORKING',
'/var/lib/heat-config/heat-config-ansible')
OUTPUTS_DIR = os.environ.get('HEAT_ANSIBLE_OUTPUTS',
'/var/run/heat-config/heat-config-ansible')
ANSIBLE_CMD = os.environ.get('HEAT_ANSIBLE_CMD', 'ansible-playbook')
ANSIBLE_INVENTORY = os.environ.get('HEAT_ANSIBLE_INVENTORY', 'localhost,')
def prepare_dir(path):
if not os.path.isdir(path):
os.makedirs(path, 0o700)
def main(argv=sys.argv):
log = logging.getLogger('heat-config')
handler = logging.StreamHandler(sys.stderr)
handler.setFormatter(
logging.Formatter(
'[%(asctime)s] (%(name)s) [%(levelname)s] %(message)s'))
log.addHandler(handler)
log.setLevel('DEBUG')
prepare_dir(OUTPUTS_DIR)
prepare_dir(WORKING_DIR)
os.chdir(WORKING_DIR)
c = json.load(sys.stdin)
variables = {}
for input in c['inputs']:
variables[input['name']] = input.get('value', '')
tags = c['options'].get('tags')
modulepath = c['options'].get('modulepath')
fn = os.path.join(WORKING_DIR, '%s_playbook.yaml' % c['id'])
vars_filename = os.path.join(WORKING_DIR, '%s_variables.json' % c['id'])
heat_outputs_path = os.path.join(OUTPUTS_DIR, c['id'])
variables['heat_outputs_path'] = heat_outputs_path
config_text = c.get('config', '')
if not config_text:
log.warn("No 'config' input found, nothing to do.")
return
# Write 'variables' to file
with os.fdopen(os.open(
vars_filename, os.O_CREAT | os.O_WRONLY, 0o600), 'w') as var_file:
json.dump(variables, var_file)
# Write the executable, 'config', to file
with os.fdopen(os.open(fn, os.O_CREAT | os.O_WRONLY, 0o600), 'w') as f:
f.write(c.get('config', '').encode('utf-8'))
cmd = [
ANSIBLE_CMD,
'-i',
ANSIBLE_INVENTORY,
fn,
'--extra-vars',
'@%s' % vars_filename
]
if tags:
cmd.insert(3, '--tags')
cmd.insert(4, tags)
if modulepath:
cmd.insert(3, '--module-path')
cmd.insert(4, modulepath)
log.debug('Running %s' % (' '.join(cmd),))
try:
subproc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
except OSError:
log.warn("ansible not installed yet")
return
stdout, stderr = subproc.communicate()
log.info('Return code %s' % subproc.returncode)
if stdout:
log.info(stdout)
if stderr:
log.info(stderr)
# TODO(stevebaker): Test if ansible returns any non-zero
# return codes in success.
if subproc.returncode:
log.error("Error running %s. [%s]\n" % (fn, subproc.returncode))
else:
log.info('Completed %s' % fn)
response = {}
for output in c.get('outputs') or []:
output_name = output['name']
try:
with open('%s.%s' % (heat_outputs_path, output_name)) as out:
response[output_name] = out.read()
except IOError:
pass
response.update({
'deploy_stdout': stdout,
'deploy_stderr': stderr,
'deploy_status_code': subproc.returncode,
})
json.dump(response, sys.stdout)
if __name__ == '__main__':
sys.exit(main(sys.argv))
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