342 lines
12 KiB
Ruby
342 lines
12 KiB
Ruby
require "vagrant/shared_helpers"
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require 'rubygems'
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require 'log4r'
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# Enable logging if it is requested. We do this before
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# anything else so that we can setup the output before
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# any logging occurs.
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if ENV["VAGRANT_LOG"] && ENV["VAGRANT_LOG"] != ""
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# Require Log4r and define the levels we'll be using
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require 'log4r/config'
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Log4r.define_levels(*Log4r::Log4rConfig::LogLevels)
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level = nil
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begin
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level = Log4r.const_get(ENV["VAGRANT_LOG"].upcase)
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rescue NameError
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# This means that the logging constant wasn't found,
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# which is fine. We just keep `level` as `nil`. But
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# we tell the user.
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level = nil
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end
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# Some constants, such as "true" resolve to booleans, so the
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# above error checking doesn't catch it. This will check to make
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# sure that the log level is an integer, as Log4r requires.
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level = nil if !level.is_a?(Integer)
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if !level
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# We directly write to stderr here because the VagrantError system
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# is not setup yet.
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$stderr.puts "Invalid VAGRANT_LOG level is set: #{ENV["VAGRANT_LOG"]}"
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$stderr.puts ""
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$stderr.puts "Please use one of the standard log levels: debug, info, warn, or error"
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exit 1
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end
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# Set the logging level on all "vagrant" namespaced
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# logs as long as we have a valid level.
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if level
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logger = Log4r::Logger.new("vagrant")
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logger.outputters = Log4r::Outputter.stderr
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logger.level = level
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logger = nil
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end
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end
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require 'json'
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require 'pathname'
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require 'stringio'
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require 'childprocess'
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require 'i18n'
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# OpenSSL must be loaded here since when it is loaded via `autoload`
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# there are issues with ciphers not being properly loaded.
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require 'openssl'
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# Always make the version available
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require 'vagrant/version'
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global_logger = Log4r::Logger.new("vagrant::global")
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global_logger.info("Vagrant version: #{Vagrant::VERSION}")
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global_logger.info("Ruby version: #{RUBY_VERSION}")
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global_logger.info("RubyGems version: #{Gem::VERSION}")
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ENV.each do |k, v|
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global_logger.info("#{k}=#{v.inspect}") if k =~ /^VAGRANT_/
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end
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# We need these components always so instead of an autoload we
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# just require them explicitly here.
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require "vagrant/plugin"
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require "vagrant/registry"
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module Vagrant
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autoload :Action, 'vagrant/action'
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autoload :BatchAction, 'vagrant/batch_action'
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autoload :Box, 'vagrant/box'
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autoload :BoxCollection, 'vagrant/box_collection'
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autoload :CLI, 'vagrant/cli'
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autoload :Command, 'vagrant/command'
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autoload :Config, 'vagrant/config'
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autoload :Driver, 'vagrant/driver'
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autoload :Environment, 'vagrant/environment'
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autoload :Errors, 'vagrant/errors'
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autoload :Guest, 'vagrant/guest'
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autoload :Host, 'vagrant/host'
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autoload :Machine, 'vagrant/machine'
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autoload :MachineIndex, 'vagrant/machine_index'
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autoload :MachineState, 'vagrant/machine_state'
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autoload :Plugin, 'vagrant/plugin'
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autoload :UI, 'vagrant/ui'
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autoload :Util, 'vagrant/util'
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# These are the various plugin versions and their components in
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# a lazy loaded Hash-like structure.
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PLUGIN_COMPONENTS = Registry.new.tap do |c|
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c.register(:"1") { Plugin::V1::Plugin }
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c.register([:"1", :command]) { Plugin::V1::Command }
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c.register([:"1", :communicator]) { Plugin::V1::Communicator }
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c.register([:"1", :config]) { Plugin::V1::Config }
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c.register([:"1", :guest]) { Plugin::V1::Guest }
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c.register([:"1", :host]) { Plugin::V1::Host }
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c.register([:"1", :provider]) { Plugin::V1::Provider }
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c.register([:"1", :provisioner]) { Plugin::V1::Provisioner }
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c.register(:"2") { Plugin::V2::Plugin }
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c.register([:"2", :command]) { Plugin::V2::Command }
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c.register([:"2", :communicator]) { Plugin::V2::Communicator }
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c.register([:"2", :config]) { Plugin::V2::Config }
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c.register([:"2", :guest]) { Plugin::V2::Guest }
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c.register([:"2", :host]) { Plugin::V2::Host }
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c.register([:"2", :provider]) { Plugin::V2::Provider }
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c.register([:"2", :provisioner]) { Plugin::V2::Provisioner }
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c.register([:"2", :push]) { Plugin::V2::Push }
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c.register([:"2", :synced_folder]) { Plugin::V2::SyncedFolder }
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end
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# Configure a Vagrant environment. The version specifies the version
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# of the configuration that is expected by the block. The block, based
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# on that version, configures the environment.
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#
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# Note that the block isn't run immediately. Instead, the configuration
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# block is stored until later, and is run when an environment is loaded.
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#
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# @param [String] version Version of the configuration
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def self.configure(version, &block)
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Config.run(version, &block)
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end
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# This checks if a plugin with the given name is available (installed
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# and enabled). This can be used from the Vagrantfile to easily branch
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# based on plugin availability.
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def self.has_plugin?(name, version=nil)
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return false unless Vagrant.plugins_enabled?
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if !version
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# We check the plugin names first because those are cheaper to check
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return true if plugin("2").manager.registered.any? { |p| p.name == name }
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end
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# Make the requirement object
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version = Gem::Requirement.new([version]) if version
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# Now check the plugin gem names
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require "vagrant/plugin/manager"
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Plugin::Manager.instance.installed_specs.any? do |s|
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match = s.name == name
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next match if !version
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next match && version.satisfied_by?(s.version)
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end
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end
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# Returns a superclass to use when creating a plugin for Vagrant.
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# Given a specific version, this returns a proper superclass to use
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# to register plugins for that version.
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#
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# Optionally, if you give a specific component, then it will return
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# the proper superclass for that component as well.
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#
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# Plugins and plugin components should subclass the classes returned by
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# this method. This method lets Vagrant core control these superclasses
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# and change them over time without affecting plugins. For example, if
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# the V1 superclass happens to be "Vagrant::V1," future versions of
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# Vagrant may move it to "Vagrant::Plugins::V1" and plugins will not be
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# affected.
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#
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# @param [String] version
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# @param [String] component
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# @return [Class]
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def self.plugin(version, component=nil)
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# Build up the key and return a result
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key = version.to_s.to_sym
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key = [key, component.to_s.to_sym] if component
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result = PLUGIN_COMPONENTS.get(key)
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# If we found our component then we return that
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return result if result
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# If we didn't find a result, then raise an exception, depending
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# on if we got a component or not.
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raise ArgumentError, "Plugin superclass not found for version/component: " +
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"#{version} #{component}"
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end
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# @deprecated
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def self.require_plugin(name)
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puts "Vagrant.require_plugin is deprecated and has no effect any longer."
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puts "Use `vagrant plugin` commands to manage plugins. This warning will"
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puts "be removed in the next version of Vagrant."
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end
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# This allows a Vagrantfile to specify the version of Vagrant that is
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# required. You can specify a list of requirements which will all be checked
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# against the running Vagrant version.
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#
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# This should be specified at the _top_ of any Vagrantfile.
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#
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# Examples are shown below:
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#
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# Vagrant.require_version(">= 1.3.5")
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# Vagrant.require_version(">= 1.3.5", "< 1.4.0")
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# Vagrant.require_version("~> 1.3.5")
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#
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def self.require_version(*requirements)
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logger = Log4r::Logger.new("vagrant::root")
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logger.info("Version requirements from Vagrantfile: #{requirements.inspect}")
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req = Gem::Requirement.new(*requirements)
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if req.satisfied_by?(Gem::Version.new(VERSION))
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logger.info(" - Version requirements satisfied!")
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return
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end
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raise Errors::VagrantVersionBad,
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requirements: requirements.join(", "),
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version: VERSION
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end
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# This allows plugin developers to access the original environment before
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# Vagrant even ran. This is useful when shelling out, especially to other
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# Ruby processes.
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#
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# @return [Hash]
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def self.original_env
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{}.tap do |h|
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ENV.each do |k,v|
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if k.start_with?("VAGRANT_OLD_ENV")
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key = k.sub(/^VAGRANT_OLD_ENV_/, "")
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h[key] = v
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end
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end
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end
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end
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end
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# Default I18n to load the en locale
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I18n.load_path << File.expand_path("templates/locales/en.yml", Vagrant.source_root)
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if I18n.config.respond_to?(:enforce_available_locales=)
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# Make sure only available locales are used. This will be the default in the
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# future but we need this to silence a deprecation warning from 0.6.9
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I18n.config.enforce_available_locales = true
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end
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# Setup the plugin manager and load any defined plugins
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require_relative "vagrant/plugin/manager"
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plugins = Vagrant::Plugin::Manager.instance.installed_plugins
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global_logger.info("Plugins:")
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plugins.each do |plugin_name, plugin_info|
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global_logger.info(" - #{plugin_name} = #{plugin_info["installed_gem_version"]}")
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end
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if Vagrant.plugins_init?
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begin
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Vagrant::Bundler.instance.init!(plugins)
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rescue Gem::ConflictError, Gem::DependencyError => e
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$stderr.puts "Vagrant experienced a version conflict with some installed plugins!"
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$stderr.puts "This usually happens if you recently upgraded Vagrant. As part of the"
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$stderr.puts "upgrade process, some existing plugins are no longer compatible with"
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$stderr.puts "this version of Vagrant. The recommended way to fix this is to remove"
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$stderr.puts "your existing plugins and reinstall them one-by-one. To remove all"
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$stderr.puts "plugins:"
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$stderr.puts ""
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$stderr.puts " vagrant expunge"
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$stderr.puts ""
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$stderr.puts "Note if you have an alternate VAGRANT_HOME environmental variable"
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$stderr.puts "set, the folders above will be in that directory rather than your"
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$stderr.puts "user's home directory."
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$stderr.puts ""
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$stderr.puts "The error message is shown below:\n\n"
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$stderr.puts e.message
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exit 1
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end
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end
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# A lambda that knows how to load plugins from a single directory.
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plugin_load_proc = lambda do |directory|
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# We only care about directories
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next false if !directory.directory?
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# If there is a plugin file in the top-level directory, then load
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# that up.
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plugin_file = directory.join("plugin.rb")
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if plugin_file.file?
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global_logger.debug("Loading core plugin: #{plugin_file}")
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load(plugin_file)
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next true
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end
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end
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# Go through the `plugins` directory and attempt to load any plugins. The
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# plugins are allowed to be in a directory in `plugins` or at most one
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# directory deep within the plugins directory. So a plugin can be at
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# `plugins/foo` or also at `plugins/foo/bar`, but no deeper.
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Vagrant.source_root.join("plugins").children(true).each do |directory|
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# Ignore non-directories
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next if !directory.directory?
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# Load from this directory, and exit if we successfully loaded a plugin
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next if plugin_load_proc.call(directory)
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# Otherwise, attempt to load from sub-directories
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directory.children(true).each(&plugin_load_proc)
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end
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# If we have plugins enabled, then load those
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if Vagrant.plugins_enabled?
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begin
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global_logger.info("Loading plugins!")
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plugins.each do |plugin_name, plugin_info|
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if plugin_info["require"].to_s.empty?
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begin
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global_logger.debug("Loading plugin `#{plugin_name}` with default require: `#{plugin_name}`")
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require plugin_name
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rescue LoadError, Gem::LoadError => load_error
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if plugin_name.include?("-")
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begin
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plugin_slash = plugin_name.gsub("-", "/")
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global_logger.debug("Failed to load plugin `#{plugin_name}` with default require.")
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global_logger.debug("Loading plugin `#{plugin_name}` with slash require: `#{plugin_slash}`")
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require plugin_slash
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rescue LoadError, Gem::LoadError
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raise load_error
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end
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end
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end
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else
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global_logger.debug("Loading plugin `#{plugin_name}` with custom require: `#{plugin_info["require"]}`")
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require plugin_info["require"]
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end
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global_logger.debug("Successfully loaded plugin `#{plugin_name}`.")
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end
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if defined?(::Bundler)
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global_logger.debug("Bundler detected in use. Loading `:plugins` group.")
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::Bundler.require(:plugins)
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end
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rescue Exception => e
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raise Vagrant::Errors::PluginLoadError, message: e.to_s
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end
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end
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