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Goodbye virtual_box.rb, hello virtualbox gem

This commit is contained in:
Mitchell Hashimoto 2010-01-29 20:22:50 -08:00
parent 6ea3fe39b9
commit 6a2619be02
4 changed files with 3 additions and 108 deletions
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4
Gemfile
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@ -1,7 +1,9 @@
# Gems required for the lib to even run
gem "virtualbox", ">= 0.4.0"
gem "net-ssh", ">= 2.0.19"
gem "jashmenn-git-style-binaries", ">= 0.1.10"
source "http://gems.github.com"
gem "jashmenn-git-style-binaries", ">= 0.1.10"
# Gems required for testing only. To install run
# gem bundle test

1
lib/hobo.rb
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@ -7,7 +7,6 @@ require 'ftools'
require 'logger'
require 'hobo/config'
require 'hobo/env'
require 'hobo/virtual_box'
require 'hobo/ssh'
# TODO: Make this configurable

60
lib/hobo/virtual_box.rb
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@ -1,60 +0,0 @@
class VirtualBox
class <<self
def create(name, options = {})
# To create the VM, we simply import the base OVF which takes care
# of matching up the hardware and setting up the configuration.
command("import #{File.expand_path("~/.hobo/base/base.ovf")} --vsys 0 --vmname #{name}")
# We must manually modify the mac address to match the base VM
# so that eth0 will still work
command("modifyvm #{name} --macaddress1 08002771F257")
end
def destroy(name)
# We must first get the vm info to parse which disk images this
# vm is using, since we'll have to remove those as well.
vminfo = parse_kv_pairs(command("showvminfo #{name} --machinereadable"))
# Detach mediums associated with VM so we can delete
# TODO: Make this use the vminfo returned to be flexible enough to destroy
# all mediums for any machine
command("storageattach #{name} --storagectl \"IDE Controller\" --port 0 --device 0 --medium none")
command("storageattach #{name} --storagectl \"IDE Controller\" --port 1 --device 0 --medium none")
command("storageattach #{name} --storagectl \"Floppy Controller\" --port 0 --device 0 --medium none")
# Remove the disk associated with the VM
command("closemedium disk #{vminfo["IDE Controller-0-0"]} --delete")
# Remove and delete the VM (unregister)
command("unregistervm #{name} --delete")
end
def command(cmd)
HOBO_LOGGER.debug "Command: #{cmd}"
result = `VBoxManage #{cmd}`
if $?.to_i >= 1
HOBO_LOGGER.error "VBoxManage command failed: #{cmd}"
# TODO: Raise error here that other commands can catch?
raise Exception.new("Failure: #{result}")
end
return result
end
# Parses the key value pairs from the VBoxManage key=value pair
# format and returns as a Ruby Hash
def parse_kv_pairs(raw)
parsed = {}
raw.lines.each do |line|
# Some lines aren't configuration, we just ignore them
next unless line =~ /^"?(.+?)"?="?(.+?)"?$/
parsed[$1] = $2.strip
end
parsed
end
end
end

46
test/hobo/virtual_box_test.rb
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@ -1,46 +0,0 @@
require File.join(File.dirname(__FILE__), '..', 'test_helper')
class VirtualBoxTest < Test::Unit::TestCase
setup do
# Stub out command so nothing actually happens
VirtualBox.stubs(:command)
end
context "parsing key value pairs" do
should "not parse the lines which don't contain key value pairs" do
result = VirtualBox.parse_kv_pairs("I'm not a key value pair")
assert result.empty?
end
should "parse the lines which contain key value pairs" do
result = VirtualBox.parse_kv_pairs("foo=bar")
assert_equal 1, result.length
assert_equal "bar", result["foo"]
end
should "ignore surrounding double quotes on keys and values" do
result = VirtualBox.parse_kv_pairs('"foo"="a value"')
assert_equal 1, result.length
assert_equal "a value", result["foo"]
end
should "trim the values" do
result = VirtualBox.parse_kv_pairs("foo=bar ")
assert_equal 1, result.length
assert_equal "bar", result["foo"]
end
should "parse multiple lines" do
result = VirtualBox.parse_kv_pairs(<<-raw)
This is some header
foo=bar
"bar"=baz
raw
assert_equal 2, result.length
assert_equal "bar", result["foo"]
assert_equal "baz", result["bar"]
end
end
end