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
|
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import struct
import time
from ansible.module_utils.common.process import get_bin_path
from ansible.module_utils.facts.hardware.base import Hardware, HardwareCollector
from ansible.module_utils.facts.sysctl import get_sysctl
class DarwinHardware(Hardware):
"""
Darwin-specific subclass of Hardware. Defines memory and CPU facts:
- processor
- processor_cores
- memtotal_mb
- memfree_mb
- model
- osversion
- osrevision
- uptime_seconds
"""
platform = 'Darwin'
def populate(self, collected_facts=None):
hardware_facts = {}
self.sysctl = get_sysctl(self.module, ['hw', 'machdep', 'kern'])
mac_facts = self.get_mac_facts()
cpu_facts = self.get_cpu_facts()
memory_facts = self.get_memory_facts()
uptime_facts = self.get_uptime_facts()
hardware_facts.update(mac_facts)
hardware_facts.update(cpu_facts)
hardware_facts.update(memory_facts)
hardware_facts.update(uptime_facts)
return hardware_facts
def get_system_profile(self):
rc, out, err = self.module.run_command(["/usr/sbin/system_profiler", "SPHardwareDataType"])
if rc != 0:
return dict()
system_profile = dict()
for line in out.splitlines():
if ': ' in line:
(key, value) = line.split(': ', 1)
system_profile[key.strip()] = ' '.join(value.strip().split())
return system_profile
def get_mac_facts(self):
mac_facts = {}
rc, out, err = self.module.run_command("sysctl hw.model")
if rc == 0:
mac_facts['model'] = mac_facts['product_name'] = out.splitlines()[-1].split()[1]
mac_facts['osversion'] = self.sysctl['kern.osversion']
mac_facts['osrevision'] = self.sysctl['kern.osrevision']
return mac_facts
def get_cpu_facts(self):
cpu_facts = {}
if 'machdep.cpu.brand_string' in self.sysctl: # Intel
cpu_facts['processor'] = self.sysctl['machdep.cpu.brand_string']
cpu_facts['processor_cores'] = self.sysctl['machdep.cpu.core_count']
else: # PowerPC
system_profile = self.get_system_profile()
cpu_facts['processor'] = '%s @ %s' % (system_profile['Processor Name'], system_profile['Processor Speed'])
cpu_facts['processor_cores'] = self.sysctl['hw.physicalcpu']
cpu_facts['processor_vcpus'] = self.sysctl.get('hw.logicalcpu') or self.sysctl.get('hw.ncpu') or ''
return cpu_facts
def get_memory_facts(self):
memory_facts = {
'memtotal_mb': int(self.sysctl['hw.memsize']) // 1024 // 1024,
'memfree_mb': 0,
}
total_used = 0
page_size = 4096
try:
vm_stat_command = get_bin_path('vm_stat')
except ValueError:
return memory_facts
rc, out, err = self.module.run_command(vm_stat_command)
if rc == 0:
# Free = Total - (Wired + active + inactive)
# Get a generator of tuples from the command output so we can later
# turn it into a dictionary
memory_stats = (line.rstrip('.').split(':', 1) for line in out.splitlines())
# Strip extra left spaces from the value
memory_stats = dict((k, v.lstrip()) for k, v in memory_stats)
for k, v in memory_stats.items():
try:
memory_stats[k] = int(v)
except ValueError:
# Most values convert cleanly to integer values but if the field does
# not convert to an integer, just leave it alone.
pass
if memory_stats.get('Pages wired down'):
total_used += memory_stats['Pages wired down'] * page_size
if memory_stats.get('Pages active'):
total_used += memory_stats['Pages active'] * page_size
if memory_stats.get('Pages inactive'):
total_used += memory_stats['Pages inactive'] * page_size
memory_facts['memfree_mb'] = memory_facts['memtotal_mb'] - (total_used // 1024 // 1024)
return memory_facts
def get_uptime_facts(self):
# On Darwin, the default format is annoying to parse.
# Use -b to get the raw value and decode it.
sysctl_cmd = self.module.get_bin_path('sysctl')
cmd = [sysctl_cmd, '-b', 'kern.boottime']
# We need to get raw bytes, not UTF-8.
rc, out, err = self.module.run_command(cmd, encoding=None)
# kern.boottime returns seconds and microseconds as two 64-bits
# fields, but we are only interested in the first field.
struct_format = '@L'
struct_size = struct.calcsize(struct_format)
if rc != 0 or len(out) < struct_size:
return {}
(kern_boottime, ) = struct.unpack(struct_format, out[:struct_size])
return {
'uptime_seconds': int(time.time() - kern_boottime),
}
class DarwinHardwareCollector(HardwareCollector):
_fact_class = DarwinHardware
_platform = 'Darwin'
|