solar/solar/core/handlers/ansible_playbook.py

144 lines
5.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015 Mirantis, Inc.
#
# 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 os
import json
import shutil
import tempfile
from solar.core.handlers.base import SOLAR_TEMP_LOCAL_LOCATION
from solar.core.handlers.base import TempFileHandler
from solar.core.log import log
from solar.core.provider import SVNProvider
ROLES_PATH = '/etc/ansible/roles'
class AnsiblePlaybookBase(TempFileHandler):
def download_roles(self, urls):
if not os.path.exists(ROLES_PATH):
os.makedirs(ROLES_PATH)
for url in urls:
provider = SVNProvider(url)
provider.run()
shutil.copytree(provider.directory, ROLES_PATH)
def make_ansible_command(self, remote_playbook_file,
remote_inventory_file, remote_extra_vars_file,
ansible_library_path):
if ansible_library_path:
remote_ansible_library_path = ansible_library_path.replace(
SOLAR_TEMP_LOCAL_LOCATION, '/tmp/')
call_args = [
'ansible-playbook',
'--module-path',
remote_ansible_library_path,
'-i',
remote_inventory_file,
'--extra-vars',
'@%s' % remote_extra_vars_file,
remote_playbook_file
]
else:
call_args = [
'ansible-playbook',
'-i',
remote_inventory_file,
'--extra-vars',
'@%s' % remote_extra_vars_file,
remote_playbook_file
]
return call_args
def _copy_ansible_library(self, resource):
base_path = resource.db_obj.base_path
src_ansible_library_dir = os.path.join(base_path, 'ansible_library')
trg_ansible_library_dir = None
if os.path.exists(src_ansible_library_dir):
log.debug("Adding ansible_library for %s", resource.name)
trg_ansible_library_dir = os.path.join(
self.dirs[resource.name], 'ansible_library')
shutil.copytree(src_ansible_library_dir, trg_ansible_library_dir)
return trg_ansible_library_dir
def _make_playbook(self, resource, action, action_path):
dir_path = self.dirs[resource.name]
dest_file = tempfile.mkstemp(text=True, prefix=action, dir=dir_path)[1]
shutil.copyfile(action_path, dest_file)
inventory_path = os.path.join(dir_path, 'inventory')
with open(inventory_path, 'w') as inv:
inv.write(self._make_inventory(resource))
extra_vars_path = os.path.join(dir_path, 'extra_vars')
with open(extra_vars_path, 'w') as extra:
extra.write(self._make_extra_vars(resource))
return dest_file, inventory_path, extra_vars_path
def _make_inventory(self, resource):
inventory = '{0} ansible_connection=local user={1}'
user = self.transport_run.get_transport_data(resource)['user']
host = 'localhost'
return inventory.format(host, user)
def _make_extra_vars(self, resource):
r_args = resource.args
return json.dumps(r_args)
class AnsiblePlaybook(AnsiblePlaybookBase):
def action(self, resource, action):
action_file = os.path.join(
resource.db_obj.actions_path,
resource.actions[action])
self.prepare_templates_and_scripts(resource, action)
ansible_library_path = self._copy_ansible_library(resource)
files = self._make_playbook(resource,
action,
action_file)
playbook_file, inventory_file, extra_vars_file = files
self.transport_sync.copy(resource, self.dst, '/tmp')
variables = resource.args
if 'roles' in variables:
self.download_roles(variables['roles'])
self.transport_sync.copy(resource, ROLES_PATH, ROLES_PATH)
self.transport_sync.sync_all()
remote_playbook_file = playbook_file.replace(
SOLAR_TEMP_LOCAL_LOCATION, '/tmp/')
remote_inventory_file = inventory_file.replace(
SOLAR_TEMP_LOCAL_LOCATION, '/tmp/')
remote_extra_vars_file = extra_vars_file.replace(
SOLAR_TEMP_LOCAL_LOCATION, '/tmp/')
call_args = self.make_ansible_command(remote_playbook_file,
remote_inventory_file,
remote_extra_vars_file,
ansible_library_path)
log.debug('EXECUTING: %s', ' '.join(call_args))
rst = self.transport_run.run(resource, *call_args)
self.verify_run_result(call_args, rst)