murano-agent/muranoagent/executors/puppet/__init__.py

107 lines
3.5 KiB
Python

# Copyright (c) 2015 Telefonica I+D
#
# 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 bunch
import os
import subprocess
import yaml
import muranoagent.exceptions
from muranoagent import executors
from muranoagent.executors import chef_puppet_executor_base
from muranoagent.openstack.common import log as logging
LOG = logging.getLogger(__name__)
@executors.executor('Puppet')
class PuppetExecutor(chef_puppet_executor_base.ChefPuppetExecutorBase):
def run(self, function, recipe_attributes=None, input=None):
"""It runs the puppet executor.
:param function: The function
:param recipe_attributes: recipe attributes
:param input:
"""
self._valid_module_name()
try:
self._configure_puppet()
self._generate_files(self.module_name, self.module_recipe,
recipe_attributes)
except Exception as e:
result = {
'exitCode': 2,
'stdout': None,
'stderr': e.strerror
}
raise muranoagent.exceptions.CustomException(
0,
message='Module %s returned error code %s: %s' %
(self.module_name, self.module_recipe, e.strerror),
additional_data=result)
path = os.path.abspath(self._path + "/files/")
command = 'puppet apply --hiera_config=hiera.yaml --modulepath ' \
'{0} manifest.pp'.format(path)
result = self._execute_command(command)
return bunch.Bunch(result)
def _configure_puppet(self):
if os.path.exists('hiera.yam'):
return
data = dict(
backends='yaml',
logger='console',
hierarchy='%{env}',
yaml=dict(datadir='/etc/puppet/hieradata')
)
self._write_yaml_file('hiera.yaml', data)
def _generate_files(self, module, module_recipe, recipe_attributes):
manifest = self._create_manifest(module, module_recipe)
with open("manifest.pp", "w+") as f:
f.write(str(manifest))
if recipe_attributes is None:
return
hiera_data = self._create_hiera_data(module, recipe_attributes)
self._write_yaml_file('default.yaml', hiera_data)
def _create_manifest(self, module_name, module_recipe):
if len(module_recipe) == 0:
return "node 'default' {{ class {{ {0}:}}}}".format(module_name)
return "node 'default' {{ class {{ {0}::{1}:}}}}".\
format(module_name, module_recipe)
def _create_hiera_data(self, cookbook_name,
recipe_attributes):
if recipe_attributes is None:
return
atts = {}
for att_name, att_value in recipe_attributes.items():
atts[cookbook_name + '::' + att_name] = att_value
return atts
def _write_yaml_file(self, file, data):
with open(file, 'w') as outfile:
outfile.write(yaml.dump(data, default_flow_style=False))