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# frozen_string_literal: true
#
# Author:: "Dan Robinson" <drobinson@chef.io>
# Author:: "Christopher M. Luciano" <cmlucian@us.ibm.com>
# Copyright:: Copyright (c) Chef Software Inc.
# Copyright (C) 2015 IBM Corp.
# 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.
#
#
# Provides a set of attributes for a VMware ESX virtual machine with results
# obtained from vmware-toolbox-cmd. VMware Tools must be installed
# on the virtual machine.
#
# Modify the path to vmware-toolbox-cmd in the call to get_vm_attributes for
# your particular operating system and configuration
#
# Example:
#
# get_vm_attributes("/usr/bin/vmware-toolbox-cmd")
#
Ohai.plugin(:VMware) do
provides "vmware"
depends "virtualization"
def from_cmd(cmd)
shell_out(cmd).stdout.strip
end
def get_vm_attributes(vmtools_path)
if !file_exist?(vmtools_path)
logger.trace("Plugin VMware: #{vmtools_path} not found")
else
vmware Mash.new
vmware[:host] = Mash.new
vmware[:guest] = Mash.new
begin
# vmware-toolbox-cmd stat <param> commands
# Iterate through each parameter supported by the "vwware-toolbox-cmd stat" command, assign value
# to attribute "vmware[:<parameter>]"
%w{hosttime speed sessionid balloon swap memlimit memres cpures cpulimit}.each do |param|
vmware[param] = from_cmd([vmtools_path, "stat", param])
if param == "hosttime" && vmtools_path.include?("Program Files")
# popen and %x return stdout encoded as IBM437 in Windows but in a string marked
# UTF-8. The string doesn't throw an exception when encoded to "UTF-8" but
# displays [?] character in Windows without this.
#
# .force_encoding(Encoding::ISO_8859_1) causes the character to be dropped
# and .force_encoding(Encoding::Windows_1252) displays the „ character in place
# of an ä. .force_encoding(Encoding::IBM437) allows for the correct characters
# to be displayed.
#
# Note:
# * this is broken for at least Ruby 2.7 through 3.1.3
# * confirmed that this is broken on Windows Server 2022
vmware[param] = vmware[param].force_encoding(Encoding::IBM437).encode("UTF-8")
end
if vmware[param].include?("UpdateInfo failed")
vmware[param] = nil
end
end
# vmware-toolbox-cmd <param> status commands
# Iterate through each parameter supported by the "vmware-toolbox-cmd status" command, assign value
# to attribute "vmware[:<parameter>]"
%w{upgrade timesync}.each do |param|
vmware[param] = from_cmd([vmtools_path, param, "status"])
end
# Distinguish hypervisors by presence of raw session data (vSphere only)
raw_session = from_cmd([vmtools_path, "stat", "raw", "json", "session"])
if raw_session.empty?
vmware[:host] = {
type: "vmware_desktop",
}
else
require "json" unless defined?(JSON)
session = JSON.parse(raw_session)
vmware[:host] = {
type: "vmware_vsphere",
version: session["version"],
}
end
vmware[:guest][:vmware_tools_version] = from_cmd([vmtools_path, "-v"]).split(" ").first
rescue
logger.trace("Plugin VMware: Error while collecting VMware guest attributes")
end
end
end
collect_data(:linux) do
get_vm_attributes("/usr/bin/vmware-toolbox-cmd") if virtualization[:systems][:vmware]
end
collect_data(:windows) do
get_vm_attributes("C:/Program Files/VMWare/VMware Tools/VMwareToolboxCmd.exe") if virtualization[:systems][:vmware]
end
end
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