93c8e006ce
This patch updates the Octavia documentation in support of the OpenStack documentation migration[1]. [1] https://specs.openstack.org/openstack/docs-specs/specs \ /pike/os-manuals-migration.html Change-Id: I97fd038b8050bfe776c3fca8336d9090f8236362 Depends-On: Ia750cb049c0f53a234ea70ce1f2bbbb7a2aa9454
144 lines
6.2 KiB
Python
Executable File
144 lines
6.2 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# Copyright 2016 Hewlett Packard Enterprise Development Company LP
|
|
#
|
|
# 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 argparse
|
|
import importlib
|
|
import os
|
|
|
|
import graphviz
|
|
from taskflow import engines
|
|
|
|
from octavia.common import constants
|
|
from octavia.tests.common import data_model_helpers as dmh
|
|
|
|
|
|
def main():
|
|
arg_parser = argparse.ArgumentParser(
|
|
description='Generate graphviz representations of the '
|
|
'Octavia TaskFlow flows.')
|
|
arg_parser.add_argument('-f', '--flow-list', required=True,
|
|
help='Path to flow list file')
|
|
arg_parser.add_argument('-o', '--output-directory', required=True,
|
|
help='Path to flow list file')
|
|
args = arg_parser.parse_args()
|
|
generate(args.flow_list, args.output_directory)
|
|
|
|
|
|
def generate(flow_list, output_directory):
|
|
# Create the diagrams
|
|
base_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),
|
|
os.path.pardir)
|
|
diagram_list = []
|
|
with open(os.path.join(base_path, flow_list), 'r') as flowlist:
|
|
for row in flowlist:
|
|
if row.startswith('#'):
|
|
continue
|
|
current_tuple = tuple(row.strip().split(' '))
|
|
current_class = getattr(importlib.import_module(current_tuple[0]),
|
|
current_tuple[1])
|
|
current_instance = current_class()
|
|
get_flow_method = getattr(current_instance, current_tuple[2])
|
|
if (current_tuple[1] == 'AmphoraFlows' and
|
|
current_tuple[2] == 'get_failover_flow'):
|
|
current_engine = engines.load(
|
|
get_flow_method(role=constants.ROLE_STANDALONE,
|
|
status=constants.AMPHORA_ALLOCATED))
|
|
elif (current_tuple[1] == 'LoadBalancerFlows' and
|
|
current_tuple[2] == 'get_create_load_balancer_flow'):
|
|
current_engine = engines.load(
|
|
get_flow_method(
|
|
constants.TOPOLOGY_ACTIVE_STANDBY))
|
|
elif (current_tuple[1] == 'LoadBalancerFlows' and
|
|
current_tuple[2] == 'get_delete_load_balancer_flow'):
|
|
lb = dmh.generate_load_balancer()
|
|
delete_flow, store = get_flow_method(lb)
|
|
current_engine = engines.load(delete_flow)
|
|
elif (current_tuple[1] == 'LoadBalancerFlows' and
|
|
current_tuple[2] == 'get_cascade_delete_load_balancer_flow'):
|
|
lb = dmh.generate_load_balancer()
|
|
delete_flow, store = get_flow_method(lb)
|
|
current_engine = engines.load(delete_flow)
|
|
else:
|
|
current_engine = engines.load(get_flow_method())
|
|
current_engine.compile()
|
|
# We need to render svg and not dot here so we can scale
|
|
# the image in the restructured text page
|
|
src = graphviz.Source(current_engine.compilation.
|
|
execution_graph.export_to_dot())
|
|
src.format = 'svg'
|
|
src.render(filename=current_tuple[1] + '-' + current_tuple[2],
|
|
directory=os.path.join(base_path, output_directory),
|
|
cleanup=True)
|
|
diagram_list.append((current_tuple[1], current_tuple[2]))
|
|
|
|
# Create the class docs
|
|
diagram_list = sorted(diagram_list, key=getDiagKey)
|
|
class_tracker = None
|
|
current_doc_file = None
|
|
for doc_tuple in diagram_list:
|
|
# If we are still working on the same class, append
|
|
if doc_tuple[0] == class_tracker:
|
|
current_doc_file.write('\n')
|
|
current_doc_file.write(doc_tuple[1] + '\n')
|
|
current_doc_file.write('-' * len(doc_tuple[1]) + '\n')
|
|
current_doc_file.write('\n')
|
|
current_doc_file.write('.. image:: ' + doc_tuple[0] +
|
|
'-' + doc_tuple[1] + '.svg\n')
|
|
current_doc_file.write(' :width: 660px\n')
|
|
current_doc_file.write(' :target: ../../../_images/' +
|
|
doc_tuple[0] +
|
|
'-' + doc_tuple[1] + '.svg\n')
|
|
|
|
# First or new class, create the file
|
|
else:
|
|
if current_doc_file is not None:
|
|
current_doc_file.close()
|
|
current_doc_file = open(os.path.join(
|
|
base_path, output_directory, doc_tuple[0] + '.rst'), 'w+')
|
|
class_tracker = doc_tuple[0]
|
|
|
|
file_title = constants.FLOW_DOC_TITLES.get(doc_tuple[0],
|
|
'Unknown Flows')
|
|
|
|
current_doc_file.write('=' * len(file_title) + '\n')
|
|
current_doc_file.write(file_title + '\n')
|
|
current_doc_file.write('=' * len(file_title) + '\n')
|
|
current_doc_file.write('\n')
|
|
current_doc_file.write('.. contents::\n')
|
|
current_doc_file.write(' :depth: 2\n')
|
|
current_doc_file.write(' :backlinks: top\n')
|
|
current_doc_file.write('\n')
|
|
current_doc_file.write('Click on any flow to view full size.\n')
|
|
current_doc_file.write('\n')
|
|
current_doc_file.write(doc_tuple[1] + '\n')
|
|
current_doc_file.write('-' * len(doc_tuple[1]) + '\n')
|
|
current_doc_file.write('\n')
|
|
current_doc_file.write('.. image:: ' + doc_tuple[0] +
|
|
'-' + doc_tuple[1] + '.svg\n')
|
|
current_doc_file.write(' :width: 660px\n')
|
|
current_doc_file.write(' :target: ../../../_images/' +
|
|
doc_tuple[0] +
|
|
'-' + doc_tuple[1] + '.svg\n')
|
|
|
|
current_doc_file.close()
|
|
|
|
|
|
def getDiagKey(item):
|
|
return item[0] + '-' + item[1]
|
|
|
|
if __name__ == "__main__":
|
|
main()
|