1a6ae81aa9
There was an issue before where the stdin buffer would always have space so it would always yield that block and Ruby would spin at 100%. Now we require all callers to say what they want to listen for. This drops CPU down to almost nothing. See GH-832
119 lines
4.0 KiB
Ruby
119 lines
4.0 KiB
Ruby
require "fileutils"
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require "pathname"
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require "log4r"
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require "childprocess"
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require "vagrant/util/subprocess"
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require "acceptance/support/virtualbox"
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require "support/isolated_environment"
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module Acceptance
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# This class manages an isolated environment for Vagrant to
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# run in. It creates a temporary directory to act as the
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# working directory as well as sets a custom home directory.
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class IsolatedEnvironment < ::IsolatedEnvironment
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SKELETON_DIR = Pathname.new(File.expand_path("../../skeletons", __FILE__))
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def initialize(apps=nil, env=nil)
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super()
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@logger = Log4r::Logger.new("test::acceptance::isolated_environment")
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@apps = apps.clone || {}
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@env = env.clone || {}
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# Set the home directory and virtualbox home directory environmental
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# variables so that Vagrant and VirtualBox see the proper paths here.
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@env["HOME"] ||= @homedir.to_s
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@env["VBOX_USER_HOME"] ||= @homedir.to_s
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end
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# Copies a skeleton into this isolated environment. This is useful
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# for testing environments that require a complex setup.
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#
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# @param [String] name Name of the skeleton in the skeletons/ directory.
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def skeleton!(name)
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# Copy all the files into the home directory
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source = Dir.glob(SKELETON_DIR.join(name).join("*").to_s)
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FileUtils.cp_r(source, @workdir.to_s)
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end
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# Executes a command in the context of this isolated environment.
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# Any command executed will therefore see our temporary directory
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# as the home directory.
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def execute(command, *argN)
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# Create the command
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command = replace_command(command)
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# Determine the options
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options = argN.last.is_a?(Hash) ? argN.pop : {}
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options = {
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:workdir => @workdir,
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:env => @env,
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:notify => [:stdin, :stderr, :stdout]
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}.merge(options)
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# Add the options to be passed on
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argN << options
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# Execute, logging out the stdout/stderr as we get it
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@logger.info("Executing: #{[command].concat(argN).inspect}")
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Vagrant::Util::Subprocess.execute(command *argN) do |type, data|
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@logger.debug("#{type}: #{data}") if type == :stdout || type == :stderr
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yield type, data if block_given?
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end
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end
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# Closes the environment, cleans up the temporary directories, etc.
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def close
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# Only delete virtual machines if VBoxSVC is running, meaning
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# that something related to VirtualBox started running in this
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# environment.
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delete_virtual_machines if VirtualBox.find_vboxsvc
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# Let the parent handle cleaning up
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super
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end
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def delete_virtual_machines
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# Delete all virtual machines
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@logger.debug("Finding all virtual machines")
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execute("VBoxManage", "list", "vms").stdout.lines.each do |line|
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data = /^"(?<name>.+?)" {(?<uuid>.+?)}$/.match(line)
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begin
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@logger.debug("Removing VM: #{data[:name]}")
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# We add a timeout onto this because sometimes for seemingly no
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# reason it will simply freeze, although the VM is successfully
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# "aborted." The timeout gets around this strange behavior.
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execute("VBoxManage", "controlvm", data[:uuid], "poweroff", :timeout => 5)
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rescue Vagrant::Util::Subprocess::TimeoutExceeded => e
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@logger.info("Failed to poweroff VM '#{data[:uuid]}'. Killing process.")
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# Kill the process and wait a bit for it to disappear
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Process.kill('KILL', e.pid)
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Process.waitpid2(e.pid)
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end
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sleep 0.5
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result = execute("VBoxManage", "unregistervm", data[:uuid], "--delete")
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raise Exception, "VM unregistration failed!" if result.exit_code != 0
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end
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@logger.info("Removed all virtual machines")
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end
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# This replaces a command with a replacement defined when this
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# isolated environment was initialized. If nothing was defined,
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# then the command itself is returned.
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def replace_command(command)
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return @apps[command] if @apps.has_key?(command)
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return command
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end
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end
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end
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