self-healing-sig/use-cases/heat-mistral-aodh/scripts/hooks/atomic

116 lines
3.2 KiB
Python
Executable File

#!/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_ATOMIC_WORKING',
'/var/lib/heat-config/heat-config-atomic')
ATOMIC_CMD = os.environ.get('HEAT_ATOMIC_CMD', 'atomic')
def prepare_dir(path):
if not os.path.isdir(path):
os.makedirs(path, 0o700)
def build_response(deploy_stdout, deploy_stderr, deploy_status_code):
return {
'deploy_stdout': deploy_stdout,
'deploy_stderr': deploy_stderr,
'deploy_status_code': deploy_status_code,
}
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')
c = json.load(sys.stdin)
prepare_dir(WORKING_DIR)
os.chdir(WORKING_DIR)
env = os.environ.copy()
input_values = dict((i['name'], i['value']) for i in c['inputs'])
stdout, stderr = {}, {}
config = c.get('config', '')
if not config:
log.debug("No 'config' input found, nothing to do.")
json.dump(build_response(stdout, stderr, 0), sys.stdout)
return
atomic_subcmd = config.get('command', 'install')
image = config.get('image')
if input_values.get('deploy_action') == 'DELETE':
cmd = [
'uninstall',
atomic_subcmd,
image
]
subproc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, env=env)
stdout, stderr = subproc.communicate()
json.dump(build_response(stdout, stderr, subproc.returncode), sys.stdout)
return
install_cmd = config.get('installcmd', '')
name = config.get('name', c.get('id'))
cmd = [
ATOMIC_CMD,
atomic_subcmd,
image,
'-n %s' % name
]
if atomic_subcmd == 'install':
cmd.extend([install_cmd])
privileged = config.get('privileged', False)
if atomic_subcmd == 'run' and privileged:
cmd.extend(['--spc'])
log.debug('Running %s' % cmd)
subproc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = subproc.communicate()
log.debug(stdout)
log.debug(stderr)
if subproc.returncode:
log.error("Error running %s. [%s]\n" % (cmd, subproc.returncode))
else:
log.debug('Completed %s' % cmd)
json.dump(build_response(stdout, stderr, subproc.returncode), sys.stdout)
if __name__ == '__main__':
sys.exit(main(sys.argv))