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# 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 annotations
import struct
import time
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', 'hw.model'])
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 = {}
if 'hw.model' in self.sysctl:
mac_facts['model'] = mac_facts['product_name'] = self.sysctl['hw.model']
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 = int(self.sysctl.get('hw.pagesize', 4096))
vm_stat_command = self.module.get_bin_path('vm_stat')
if vm_stat_command is None:
return memory_facts
if vm_stat_command:
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')
if not sysctl_cmd:
return {}
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'
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