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#!/usr/bin/env python
import os
import sys
import yaml
from argparse import ArgumentParser
from mako.template import Template
"""
This script generates the data structures for the
phosphor-fan-monitor application.
A future improvement is to get the fan inventory names
from a separate file, so just that file could be generated
from the MRW.
"""
tmpl = '''/* This is a generated file. */
#include "fan_defs.hpp"
#include "types.hpp"
using namespace phosphor::fan::monitor;
const std::vector<FanDefinition> fanDefinitions
{
%for fan_data in data:
FanDefinition{"${fan_data['inventory']}",
${fan_data['allowed_out_of_range_time']},
${fan_data['deviation']},
${fan_data['num_sensors_nonfunc_for_fan_nonfunc']},
std::vector<SensorDefinition>{
%for sensor in fan_data['sensors']:
<%
#has_target is a bool, and we need a true instead of True
has_target = str(sensor['has_target']).lower()
%> \
SensorDefinition{"${sensor['name']}", ${has_target}},
%endfor
},
},
%endfor
};
'''
if __name__ == '__main__':
parser = ArgumentParser(
description="Phosphor fan monitor definition parser")
parser.add_argument('-m', '--monitor_yaml', dest='monitor_yaml',
default="example/monitor.yaml",
help='fan monitor definitional yaml')
parser.add_argument('-o', '--output_dir', dest='output_dir',
default=".",
help='output directory')
args = parser.parse_args()
if not args.monitor_yaml:
parser.print_usage()
sys.exit(-1)
with open(args.monitor_yaml, 'r') as monitor_input:
monitor_data = yaml.safe_load(monitor_input) or {}
#Do some minor input validation
for fan in monitor_data:
if ((fan['deviation'] < 0) or (fan['deviation'] > 100)):
sys.exit("Invalid deviation value " + str(fan['deviation']))
output_file = os.path.join(args.output_dir, "fan_monitor_defs.cpp")
with open(output_file, 'w') as output:
output.write(Template(tmpl).render(data=monitor_data))
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