/usr/lib/ruby/vendor_ruby/ohai/plugins/darwin/hardware.rb is in ohai 8.21.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: Nate Walck (<nate.walck@gmail.com>)
# Copyright:: Copyright (c) 2016-present Facebook, Inc.
# License:: Apache License, Version 2.0
#
# 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.
#
Ohai.plugin(:Hardware) do
provides "hardware"
def system_profiler(datatype)
sp_cmd = "system_profiler #{datatype} -xml"
# Hardware queries
sp_std = shell_out(sp_cmd)
sp_hash = Plist.parse_xml(sp_std.stdout)
end
collect_data(:darwin) do
unless hardware
hardware Mash.new
else
Ohai::Log.debug("Plugin Darwin Hardware: namespace already exists")
next
end
begin
require "plist"
rescue LoadError => e
# In case the plist gem isn't present, skip this plugin.
Ohai::Log.debug("Plugin Hardware: Can't load gem: #{e}. Cannot continue.")
next
end
hw_hash = system_profiler("SPHardwareDataType")
hw_hash[0]["_items"][0].delete("_name")
hardware.merge!(hw_hash[0]["_items"][0])
{
"operating_system" => "sw_vers -productName",
"operating_system_version" => "sw_vers -productVersion",
"build_version" => "sw_vers -buildVersion",
"architecture" => "uname -m",
}.each do |var, cmd|
os_info = shell_out(cmd).stdout
hardware[var] = os_info.strip unless os_info.nil?
end
# Storage queries
storage = []
storage_hash = system_profiler("SPStorageDataType")
drives = storage_hash[0]["_items"]
drives.each do |drive_entry|
drive = Mash.new
drive[:name] = drive_entry["_name"]
drive[:bsd_name] = drive_entry["bsd_name"]
drive[:capacity] = drive_entry["size_in_bytes"]
if drive_entry.has_key?("com.apple.corestorage.pv")
drive[:drive_type] = drive_entry["com.apple.corestorage.pv"][0]["medium_type"]
drive[:smart_status] = drive_entry["com.apple.corestorage.pv"][0]["smart_status"]
drive[:partitions] = drive_entry["com.apple.corestorage.pv"].count
end
storage << drive
end
hardware["storage"] = storage
# Battery queries
battery_hash = system_profiler("SPPowerDataType")
power_entries = battery_hash[0]["_items"]
battery = Mash.new
power_entries.each do |entry|
if entry.value?("spbattery_information")
charge = entry["sppower_battery_charge_info"]
health = entry["sppower_battery_health_info"]
battery[:current_capacity] = charge["sppower_battery_current_capacity"]
battery[:max_capacity] = charge["sppower_battery_max_capacity"]
battery[:fully_charged] = charge["sppower_battery_fully_charged"].eql?("TRUE")
battery[:is_charging] = charge["sppower_battery_is_charging"].eql?("TRUE")
battery[:charge_cycle_count] = health["sppower_battery_cycle_count"]
battery[:health] = health["sppower_battery_health"]
battery[:serial] = entry["sppower_battery_model_info"]["sppower_battery_serial_number"]
battery[:remaining] = (battery["current_capacity"].to_f / battery["max_capacity"].to_f * 100).to_i
end
end
hardware[:battery] = battery
end
end
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