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|
#!/usr/bin/python
# -*- coding: utf-8 -*-
DOCUMENTATION = '''
---
module: keystone_manage
short_description: Initialize OpenStack Identity (keystone) database
description: Create the tables for the database backend used by keystone
options:
action:
description:
- action to perform. Currently only dbysnc is supported
required: true
conf:
description:
- path to keystone config file.
required: false
default: /etc/keystone/keystone.conf
requirements: [ keystone ]
author: Lorin Hochstein
'''
EXAMPLES = '''
keystone_manage: action=dbsync
'''
import subprocess
try:
# this is necessary starting from havana release due to bug 885529
# https://bugs.launchpad.net/glance/+bug/885529
from keystone.openstack.common import gettextutils
gettextutils.install('keystone')
except AttributeError:
# this is not havana
pass
try:
from keystone.common import sql
from migrate.versioning import api as versioning_api
except ImportError:
keystone_found = False
else:
keystone_found = True
try:
# for icehouse
from keystone.common.sql import migration_helpers as migration
except ImportError:
pass
def will_db_change(conf):
""" Check if the database version will change after the sync.
conf is the path to the keystone config file
"""
# Load the config file options
try:
# before icehouse
sql.migration.CONF(project='keystone', default_config_files=[conf])
current_version = sql.migration.db_version()
except AttributeError:
# starting with icehouse
sql.core.CONF(project='keystone', default_config_files=[conf])
current_version = migration.get_db_version()
# in havana the method _find_migrate_repo has been renamed to find_migrate_repo
try:
repo_path = migration.find_migrate_repo()
except AttributeError:
repo_path = migration._find_migrate_repo()
repo_version = versioning_api.repository.Repository(repo_path).latest
return current_version != repo_version
def do_dbsync():
"""Do the dbsync. Returns (returncode, stdout, stderr)"""
# We call keystone-manage db_sync on the shell rather than trying to
# do this in Python since we have no guarantees about changes to the
# internals.
args = ['keystone-manage', 'db_sync']
call = subprocess.Popen(args, shell=False,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = call.communicate()
return (call.returncode, out, err)
def main():
module = AnsibleModule(
argument_spec=dict(
action=dict(required=True),
conf=dict(required=False, default="/etc/keystone/keystone.conf")
),
supports_check_mode=True
)
if not keystone_found:
module.fail_json(msg="keystone package could not be found")
action = module.params['action']
conf = module.params['conf']
if action not in ['dbsync', 'db_sync']:
module.fail_json(msg="Only supported action is 'dbsync'")
changed = will_db_change(conf)
if module.check_mode:
module.exit_json(changed=changed)
(res, stdout, stderr) = do_dbsync()
if res == 0:
module.exit_json(changed=changed, stdout=stdout, stderr=stderr)
else:
module.fail_json(msg="keystone-manage returned non-zero value: %d" % res,
stdout=stdout, stderr=stderr)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()
|
