/usr/lib/ruby/vendor_ruby/ohai/plugins/linode.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:: Aaron Kalin (<akalin@martinisoftware.com>)
# 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(:Linode) do
provides "linode"
depends "kernel"
depends "network/interfaces"
# Checks for matching linode kernel name
#
# Returns true or false
def has_linode_kernel?
if kernel_data = kernel
kernel_data[:release].split('-').last =~ /linode/
end
end
# Identifies the linode cloud by preferring the hint, then
#
# Returns true or false
def looks_like_linode?
hint?('linode') || has_linode_kernel?
end
# Names linode ip address
#
# name - symbol of ohai name (e.g. :public_ip)
# eth - Interface name (e.g. :eth0)
#
# Alters linode mash with new interface based on name parameter
def get_ip_address(name, eth)
if eth_iface = network[:interfaces][eth]
eth_iface[:addresses].each do |key, info|
linode[name] = key if info['family'] == 'inet'
end
end
end
collect_data do
# Setup linode mash if it is a linode system
if looks_like_linode?
linode Mash.new
get_ip_address(:public_ip, :eth0)
get_ip_address(:private_ip, "eth0:1")
hint?('linode').each{|k,v| linode[k] = v } if hint?('linode').kind_of?(Hash)
end
end
end
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