ab81474e38
you can view the graph in dot format instead of json using the "-f dot" in cli command for topology and rca dot format is very common for visualization of graphs there are many tools that support this format including online visualizers Story: 2004063 Task: 27070 Change-Id: I44779d5d46a6ca279e2766b0d3f8e7ca02706b84
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
# Copyright 2018 - Nokia Corporation
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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 cliff.formatters import base
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from networkx.drawing.nx_pydot import write_dot
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from networkx.readwrite import json_graph
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import networkx as nx
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class DOTFormatter(base.SingleFormatter):
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def add_argument_group(self, parser):
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pass
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def emit_one(self, column_names, data, stdout, parsed_args):
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data = {n: i for n, i in zip(column_names, data)}
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# pydot doesn't like the name property
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# use label instead
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self._relabel(data)
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if nx.__version__ >= '2.0':
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graph = json_graph.node_link_graph(
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data, attrs={'name': 'graph_index'})
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else:
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graph = json_graph.node_link_graph(data)
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write_dot(graph, stdout)
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@staticmethod
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def _relabel(data):
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for node in data['nodes']:
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name = node.pop('name', None)
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v_type = node['vitrage_type']
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if name and name != v_type:
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# if name and type the same
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# dont print twice its redundant
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# e.g openstack.cluster
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node[u'label'] = name + '\n' + v_type
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else:
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node[u'label'] = v_type
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# change the relationship_type to label
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# so we will see it in dot visualizer
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for node in data['links']:
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node[u'label'] = node.pop('relationship_type')
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