/usr/lib/ruby/vendor_ruby/ohai/plugins/linux/block_device.rb is in ohai 8.4.0-1.
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:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, 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(:BlockDevice) do
provides "block_device"
collect_data(:linux) do
if File.exists?("/sys/block")
block = Mash.new
Dir["/sys/block/*"].each do |block_device_dir|
dir = File.basename(block_device_dir)
block[dir] = Mash.new
%w{size removable}.each do |check|
if File.exists?("/sys/block/#{dir}/#{check}")
File.open("/sys/block/#{dir}/#{check}") { |f| block[dir][check] = f.read_nonblock(1024).strip }
end
end
%w{model rev state timeout vendor}.each do |check|
if File.exists?("/sys/block/#{dir}/device/#{check}")
File.open("/sys/block/#{dir}/device/#{check}") { |f| block[dir][check] = f.read_nonblock(1024).strip }
end
end
%w{rotational}.each do |check|
if File.exists?("/sys/block/#{dir}/queue/#{check}")
File.open("/sys/block/#{dir}/queue/#{check}") { |f| block[dir][check] = f.read_nonblock(1024).strip }
end
end
end
block_device block
end
end
end
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