107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
# Copyright 2016 Mirantis, Inc.
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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 fuel_ccp_tests import settings_oslo
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class EnvironmentManagerEmpty(object):
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"""Class-helper for creating VMs via devops environments"""
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__config = None
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def __init__(self, config=None):
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"""Initializing class instance and create the environment
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:param config: oslo.config object
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:param config.hardware.conf_path: path to devops YAML template
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:param config.hardware.current_snapshot: name of the snapshot that
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descriebe environment status.
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"""
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self.__config = config
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def lvm_storages(self):
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"""Returns data of lvm_storages on nodes in environment
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It's expected that data of self.__config.lvm_storages will be
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like this:
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{
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"node1": {
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"device": "vdb"
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},
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"node2": {
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"device": "vdb"
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},
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"node3": {
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"device": "vdb"
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},
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}
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:rtype: dict
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"""
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return self.__config.underlay.lvm
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def get_ssh_data(self, roles=None):
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raise Exception("EnvironmentManagerEmpty doesn't have SSH details. "
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"Please provide SSH details in config.underlay.ssh")
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def create_snapshot(self, name, description=None):
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"""Store environmetn state into the config object
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- Store the state of the environment <name> to the 'config' object
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- Save 'config' object to a file 'config_<name>.ini'
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"""
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self.__config.hardware.current_snapshot = name
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settings_oslo.save_config(self.__config, name)
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def revert_snapshot(self, name):
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"""Check the current state <name> of the environment
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- Check that the <name> matches the current state of the environment
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that is stored in the 'self.__config.hardware.current_snapshot'
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- Try to reload 'config' object from a file 'config_<name>.ini'
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If the file not found, then pass with defaults.
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- Set <name> as the current state of the environment after reload
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:param name: string
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"""
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if self.__config.hardware.current_snapshot != name:
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raise Exception(
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"EnvironmentManagerEmpty cannot revert nodes from {} to {}"
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.format(self.__config.hardware.current_snapshot, name))
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def start(self):
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"""Start environment"""
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pass
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def resume(self):
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"""Resume environment"""
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pass
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def suspend(self):
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"""Suspend environment"""
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pass
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def stop(self):
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"""Stop environment"""
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pass
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def has_snapshot(self, name):
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return self.__config.hardware.current_snapshot == name
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def has_snapshot_config(self, name):
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return self.__config.hardware.current_snapshot == name
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def delete_environment(self):
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"""Delete environment"""
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pass
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