75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
# Copyright 2019 Red Hat
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import os
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import jinja2
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from oslo_log import log
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import tobiko
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from tobiko.fault import constants as fault_const
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from tobiko.openstack import nova
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LOG = log.getLogger(__name__)
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class FaultConfig(object):
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"""Responsible for managing faults configuration."""
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DEFAULT_CONF_PATH = os.path.expanduser('~/.config/openstack')
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DEFAULT_CONF_NAME = "os-faults.yml"
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DEFAULT_CONF_FILE = os.path.join(DEFAULT_CONF_PATH, DEFAULT_CONF_NAME)
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def __init__(self, conf_file):
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self.templates_dir = os.path.join(os.path.dirname(__file__),
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'templates')
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if conf_file:
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self.conf_file = conf_file
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else:
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conf_file = self.DEFAULT_CONF_FILE
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if os.path.isfile(conf_file):
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self.conf_file = conf_file
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else:
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self.conf_file = self.generate_config_file()
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def generate_config_file(self):
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"""Generates os-faults configuration file."""
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LOG.info("Generating os-fault configuration file.")
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tobiko.makedirs(self.DEFAULT_CONF_PATH)
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rendered_conf = self.get_rendered_configuration()
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with open(self.DEFAULT_CONF_FILE, "w") as f:
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f.write(rendered_conf)
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return self.DEFAULT_CONF_FILE
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def get_rendered_configuration(self):
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"""Returns rendered os-fault configuration file."""
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j2_env = jinja2.Environment(
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loader=jinja2.FileSystemLoader(self.templates_dir),
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trim_blocks=True)
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template = j2_env.get_template('os-faults.yml.j2')
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nodes = self.get_nodes()
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return template.render(nodes=nodes,
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services=fault_const.SERVICES,
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containers=fault_const.CONTAINERS)
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def get_nodes(self):
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"""Returns a list of dictionaries with nodes name and address."""
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client = nova.get_nova_client()
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return [{'name': server.name,
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'address': server.addresses['ctlplane'][0]['addr']}
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for server in client.servers.list()]
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