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#!/usr/bin/env ruby
# TODO keepalive
# TODO rc file
# TODO proxy support?
require 'trollop'
require 'readline'
require 'rbvmomi'
require 'rbvmomi/trollop'
VIM = RbVmomi::VIM
opts = Trollop.options do
banner <<-EOS
vSphere API console.
Usage:
rbvmomish [options]
Predefined methods:
conn: Returns the VIM connection
si: Returns the ServiceInstance
help: Displays this text.
Special syntax:
Adding a '#' suffix to an expression displays information about the type of the
result, including its properties and methods, instead of the value.
VIM connection options:
EOS
rbvmomi_connection_opts
text <<-EOS
Other options:
EOS
$trollop = self
end
begin
$vim = VIM.connect opts
rescue Errno::EHOSTUNREACH
abort $!.message
end
typenames = VIM.loader.typenames
Readline.completion_append_character = " "
Readline.completion_proc = lambda do |word|
return unless word
prefix_regex = /^#{Regexp.escape(word)}/
candidates = typenames.sort
candidates.find_all { |e| e.match(prefix_regex) }
end
history_fn = "#{ENV['HOME']}/.rbvmomish-history"
IO.foreach(history_fn) { |l| Readline::HISTORY << l.chomp } rescue nil
history = File.open(history_fn, 'a')
def type name
klass = VIM.type(name) rescue err("invalid type #{name.inspect}")
q = lambda { |x| x =~ /^xsd:/ ? $' : x }
if klass < VIM::DataObject
puts "Data Object #{klass}"
klass.full_props_desc.each do |desc|
puts " #{desc['name']}: #{q[desc['wsdl_type']]}#{desc['is-array'] ? '[]' : ''}"
end
elsif klass < VIM::ManagedObject
puts "Managed Object #{klass}"
puts
puts "Properties:"
klass.full_props_desc.each do |desc|
puts " #{desc['name']}: #{q[desc['wsdl_type']]}#{desc['is-array'] ? '[]' : ''}"
end
puts
puts "Methods:"
klass.full_methods_desc.sort_by(&:first).each do |name,desc|
params = desc['params']
puts " #{name}(#{params.map { |x| "#{x['name']} : #{q[x['wsdl_type'] || 'void']}#{x['is-array'] ? '[]' : ''}" } * ', '}) : #{q[desc['result']['wsdl_type'] || 'void']}"
end
else
err("cannot introspect type #{klass}")
end
nil
end
class UserError < RuntimeError; end
def err msg
raise UserError.new(msg)
end
def cookie str
$vim.cookie = str
end
def conn
$vim
end
def si
$vim.serviceInstance
end
def help
$trollop.educate
:no_result
end
$binding = $vim.instance_eval { binding }
loop do
begin
input = Readline.readline("#{opts[:host]}> ", false) or break
input = input.strip
next if input.empty?
(history.puts input; Readline::HISTORY << input) unless input == Readline::HISTORY.to_a[-1]
result = eval(input, $binding)
if input =~ /\#$/
type result.class.wsdl_name
else
pp result unless result == :no_result
end
rescue SystemExit, IOError
raise
rescue RuntimeError, RbVmomi::Fault
puts "#{$!.class}: #{$!.message}"
puts $!.backtrace * "\n"
rescue UserError
puts $!.message
rescue Interrupt
puts
rescue Exception
puts "#{$!.class}: #{$!.message}"
puts $!.backtrace * "\n"
end
end
|
