7c476d07aa
This is a new host monitor by consul. It can monitor host connectivity via management, tenant and storage interfaces. Implements: bp host-monitor-by-consul Change-Id: I384ad70dfd9116c6e253e0562b762593a3379d0c
78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# Copyright(c) 2021 Inspur
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import yaml
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DEFAULT_SEQUENCE = ['manage', 'tenant', 'storage']
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# matrix is combined by health and actions.
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# health: [x, x, x], repreasents status of DEFAULT_SEQUENCE.
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# action, means which actions it will trigge if host health turns into.
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# action choice: 'recovery'.
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# 'recovery' means it will trigge one host recovery event.
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DEFAULT_MATRIX = [
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{"health": ["up", "up", "up"],
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"action": []},
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{"health": ["up", "up", "down"],
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"action": ["recovery"]},
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{"health": ["up", "down", "up"],
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"action": []},
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{"health": ["up", "down", "down"],
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"action": ["recovery"]},
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{"health": ["down", "up", "up"],
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"action": []},
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{"health": ["down", "up", "down"],
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"action": ["recovery"]},
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{"health": ["down", "down", "up"],
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"action": []},
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{"health": ["down", "down", "down"],
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"action": ["recovery"]},
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]
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class MatrixManager(object):
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"""Matrix Manager"""
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def __init__(self, CONF):
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cfg_file = CONF.consul.matrix_config_file
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matrix_conf = self.load_config(cfg_file)
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if not matrix_conf:
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self.sequence = DEFAULT_SEQUENCE
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self.matrix = DEFAULT_MATRIX
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else:
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self.sequence = matrix_conf.get("sequence")
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self.matrix = matrix_conf.get("matrix")
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self.valid_matrix(self.matrix, self.sequence)
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def load_config(self, cfg_file):
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if not cfg_file or not os.path.exists(cfg_file):
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return None
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with open(cfg_file) as f:
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data = f.read()
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matrix_conf = yaml.safe_load(data)
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return matrix_conf
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def get_sequence(self):
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return self.sequence
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def get_matrix(self):
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return self.matrix
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def valid_matrix(self, matrix, sequence):
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pass
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