78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# Copyright(c) 2021 Inspur
|
|
#
|
|
# 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 yaml
|
|
|
|
|
|
DEFAULT_SEQUENCE = ['manage', 'tenant', 'storage']
|
|
|
|
# matrix is combined by health and actions.
|
|
# health: [x, x, x], repreasents status of DEFAULT_SEQUENCE.
|
|
# action, means which actions it will trigge if host health turns into.
|
|
# action choice: 'recovery'.
|
|
# 'recovery' means it will trigge one host recovery event.
|
|
DEFAULT_MATRIX = [
|
|
{"health": ["up", "up", "up"],
|
|
"action": []},
|
|
{"health": ["up", "up", "down"],
|
|
"action": ["recovery"]},
|
|
{"health": ["up", "down", "up"],
|
|
"action": []},
|
|
{"health": ["up", "down", "down"],
|
|
"action": ["recovery"]},
|
|
{"health": ["down", "up", "up"],
|
|
"action": []},
|
|
{"health": ["down", "up", "down"],
|
|
"action": ["recovery"]},
|
|
{"health": ["down", "down", "up"],
|
|
"action": []},
|
|
{"health": ["down", "down", "down"],
|
|
"action": ["recovery"]},
|
|
]
|
|
|
|
|
|
class MatrixManager(object):
|
|
"""Matrix Manager"""
|
|
|
|
def __init__(self, CONF):
|
|
cfg_file = CONF.consul.matrix_config_file
|
|
matrix_conf = self.load_config(cfg_file)
|
|
if not matrix_conf:
|
|
self.sequence = DEFAULT_SEQUENCE
|
|
self.matrix = DEFAULT_MATRIX
|
|
else:
|
|
self.sequence = matrix_conf.get("sequence")
|
|
self.matrix = matrix_conf.get("matrix")
|
|
|
|
self.valid_matrix(self.matrix, self.sequence)
|
|
|
|
def load_config(self, cfg_file):
|
|
if not cfg_file or not os.path.exists(cfg_file):
|
|
return None
|
|
|
|
with open(cfg_file) as f:
|
|
data = f.read()
|
|
matrix_conf = yaml.safe_load(data)
|
|
return matrix_conf
|
|
|
|
def get_sequence(self):
|
|
return self.sequence
|
|
|
|
def get_matrix(self):
|
|
return self.matrix
|
|
|
|
def valid_matrix(self, matrix, sequence):
|
|
pass
|