1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
#!/usr/bin/env python
"""
This script reads in fan definition and zone definition YAML
files and generates a set of structures for use by the fan control code.
"""
import os
import sys
import yaml
from argparse import ArgumentParser
from mako.template import Template
#Note: Condition is a TODO (openbmc/openbmc#1500)
tmpl = '''/* This is a generated file. */
#include "manager.hpp"
using namespace phosphor::fan::control;
const unsigned int Manager::_powerOnDelay{${mgr_data['power_on_delay']}};
const std::vector<ZoneGroup> Manager::_zoneLayouts
{
%for zone_group in zones:
ZoneGroup{std::vector<Condition>{},
std::vector<ZoneDefinition>{
%for zone in zone_group['zones']:
ZoneDefinition{${zone['num']},
${zone['full_speed']},
std::vector<FanDefinition>{
%for fan in zone['fans']:
FanDefinition{"${fan['name']}",
std::vector<std::string>{
%for sensor in fan['sensors']:
"${sensor}",
%endfor
}
},
%endfor
}
},
%endfor
}
},
%endfor
};
'''
def getFansInZone(zone_num, profiles, fan_data):
"""
Parses the fan definition YAML files to find the fans
that match both the zone passed in and one of the
cooling profiles.
"""
fans = []
for f in fan_data['fans']:
if zone_num != f['cooling_zone']:
continue
#'cooling_profile' is optional (use 'all' instead)
if f.get('cooling_profile') is None:
profile = "all"
else:
profile = f['cooling_profile']
if profile not in profiles:
continue
fan = {}
fan['name'] = f['inventory']
fan['sensors'] = f['sensors']
fans.append(fan)
return fans
def buildZoneData(zone_data, fan_data):
"""
Combines the zone definition YAML and fan
definition YAML to create a data structure defining
the fan cooling zones.
"""
zone_groups = []
for group in zone_data:
conditions = []
for c in group['zone_conditions']:
conditions.append(c['name'])
zone_group = {}
zone_group['conditions'] = conditions
zones = []
for z in group['zones']:
zone = {}
#'zone' is required
if (not 'zone' in z) or (z['zone'] is None):
sys.exit("Missing fan zone number in " + zone_yaml)
zone['num'] = z['zone']
zone['full_speed'] = z['full_speed']
#'cooling_profiles' is optional (use 'all' instead)
if (not 'cooling_profiles' in z) or \
(z['cooling_profiles'] is None):
profiles = ["all"]
else:
profiles = z['cooling_profiles']
fans = getFansInZone(z['zone'], profiles, fan_data)
if len(fans) == 0:
sys.exit("Didn't find any fans in zone " + str(zone['num']))
zone['fans'] = fans
zones.append(zone)
zone_group['zones'] = zones
zone_groups.append(zone_group)
return zone_groups
if __name__ == '__main__':
parser = ArgumentParser(
description="Phosphor fan zone definition parser")
parser.add_argument('-z', '--zone_yaml', dest='zone_yaml',
default="example/zones.yaml",
help='fan zone definitional yaml')
parser.add_argument('-f', '--fan_yaml', dest='fan_yaml',
default="example/fans.yaml",
help='fan definitional yaml')
parser.add_argument('-o', '--output_dir', dest='output_dir',
default=".",
help='output directory')
args = parser.parse_args()
if not args.zone_yaml or not args.fan_yaml:
parser.print_usage()
sys.exit(-1)
with open(args.zone_yaml, 'r') as zone_input:
zone_data = yaml.safe_load(zone_input) or {}
with open(args.fan_yaml, 'r') as fan_input:
fan_data = yaml.safe_load(fan_input) or {}
zone_config = buildZoneData(zone_data.get('zone_configuration', {}),
fan_data)
manager_config = zone_data.get('manager_configuration', {})
if manager_config.get('power_on_delay') is None:
manager_config['power_on_delay'] = 0
output_file = os.path.join(args.output_dir, "fan_zone_defs.cpp")
with open(output_file, 'w') as output:
output.write(Template(tmpl).render(zones=zone_config,
mgr_data=manager_config))
|
