vagrant/plugins/kernel_v2/config/vm.rb

575 lines
20 KiB
Ruby

require "pathname"
require "securerandom"
require "set"
require "vagrant"
require "vagrant/config/v2/util"
require "vagrant/util/platform"
require File.expand_path("../vm_provisioner", __FILE__)
require File.expand_path("../vm_subvm", __FILE__)
module VagrantPlugins
module Kernel_V2
class VMConfig < Vagrant.plugin("2", :config)
DEFAULT_VM_NAME = :default
attr_accessor :base_mac
attr_accessor :boot_timeout
attr_accessor :box
attr_accessor :box_url
attr_accessor :box_download_ca_cert
attr_accessor :box_download_checksum
attr_accessor :box_download_checksum_type
attr_accessor :box_download_client_cert
attr_accessor :box_download_insecure
attr_accessor :graceful_halt_timeout
attr_accessor :guest
attr_accessor :hostname
attr_accessor :usable_port_range
attr_reader :provisioners
def initialize
@boot_timeout = UNSET_VALUE
@box_download_ca_cert = UNSET_VALUE
@box_download_checksum = UNSET_VALUE
@box_download_checksum_type = UNSET_VALUE
@box_download_client_cert = UNSET_VALUE
@box_download_insecure = UNSET_VALUE
@box_url = UNSET_VALUE
@graceful_halt_timeout = UNSET_VALUE
@guest = UNSET_VALUE
@hostname = UNSET_VALUE
@provisioners = []
# Internal state
@__compiled_provider_configs = {}
@__defined_vm_keys = []
@__defined_vms = {}
@__finalized = false
@__networks = {}
@__providers = {}
@__provider_overrides = {}
@__synced_folders = {}
end
# This was from V1, but we just kept it here as an alias for hostname
# because too many people mess this up.
def host_name=(value)
@hostname = value
end
# Custom merge method since some keys here are merged differently.
def merge(other)
super.tap do |result|
other_networks = other.instance_variable_get(:@__networks)
result.instance_variable_set(:@__networks, @__networks.merge(other_networks))
# Merge defined VMs by first merging the defined VM keys,
# preserving the order in which they were defined.
other_defined_vm_keys = other.instance_variable_get(:@__defined_vm_keys)
other_defined_vm_keys -= @__defined_vm_keys
new_defined_vm_keys = @__defined_vm_keys + other_defined_vm_keys
# Merge the actual defined VMs.
other_defined_vms = other.instance_variable_get(:@__defined_vms)
new_defined_vms = {}
@__defined_vms.each do |key, subvm|
new_defined_vms[key] = subvm.clone
end
other_defined_vms.each do |key, subvm|
if !new_defined_vms.has_key?(key)
new_defined_vms[key] = subvm.clone
else
new_defined_vms[key].config_procs.concat(subvm.config_procs)
new_defined_vms[key].options.merge!(subvm.options)
end
end
# Merge the providers by prepending any configuration blocks we
# have for providers onto the new configuration.
other_providers = other.instance_variable_get(:@__providers)
new_providers = @__providers.dup
other_providers.each do |key, blocks|
new_providers[key] ||= []
new_providers[key] += blocks
end
# Merge the provider overrides by appending them...
other_overrides = other.instance_variable_get(:@__provider_overrides)
new_overrides = @__provider_overrides.dup
other_overrides.each do |key, blocks|
new_overrides[key] ||= []
new_overrides[key] += blocks
end
# Merge provisioners. First we deal with overrides and making
# sure the ordering is good there. Then we merge them.
new_provs = []
other_provs = other.provisioners.dup
@provisioners.each do |p|
if p.id
other_p = other_provs.find { |o| p.id == o.id }
if other_p
# There is an override. Take it.
other_p.config = p.config.merge(other_p.config)
next if !other_p.preserve_order
# We're preserving order, delete from other
p = other_p
other_provs.delete(other_p)
end
end
# There is an override, merge it into the
new_provs << p.dup
end
other_provs.each do |p|
new_provs << p.dup
end
result.instance_variable_set(:@provisioners, new_provs)
# Merge synced folders.
other_folders = other.instance_variable_get(:@__synced_folders)
new_folders = {}
@__synced_folders.each do |key, value|
new_folders[key] = value.dup
end
other_folders.each do |id, options|
new_folders[id] ||= {}
new_folders[id].merge!(options)
end
result.instance_variable_set(:@__defined_vm_keys, new_defined_vm_keys)
result.instance_variable_set(:@__defined_vms, new_defined_vms)
result.instance_variable_set(:@__providers, new_providers)
result.instance_variable_set(:@__provider_overrides, new_overrides)
result.instance_variable_set(:@__synced_folders, new_folders)
end
end
# Defines a synced folder pair. This pair of folders will be synced
# to/from the machine. Note that if the machine you're using doesn't
# support multi-directional syncing (perhaps an rsync backed synced
# folder) then the host is always synced to the guest but guest data
# may not be synced back to the host.
#
# @param [String] hostpath Path to the host folder to share. If this
# is a relative path, it is relative to the location of the
# Vagrantfile.
# @param [String] guestpath Path on the guest to mount the shared
# folder.
# @param [Hash] options Additional options.
def synced_folder(hostpath, guestpath, options=nil)
if Vagrant::Util::Platform.windows?
# On Windows, Ruby just uses normal '/' for path seps, so
# just replace normal Windows style seps with Unix ones.
hostpath = hostpath.to_s.gsub("\\", "/")
end
options ||= {}
options = options.dup
options[:guestpath] = guestpath.to_s.gsub(/\/$/, '')
options[:hostpath] = hostpath
# Make sure the type is a symbol
options[:type] = options[:type].to_sym if options[:type]
@__synced_folders[options[:guestpath]] = options
end
# Define a way to access the machine via a network. This exposes a
# high-level abstraction for networking that may not directly map
# 1-to-1 for every provider. For example, AWS has no equivalent to
# "port forwarding." But most providers will attempt to implement this
# in a way that behaves similarly.
#
# `type` can be one of:
#
# * `:forwarded_port` - A port that is accessible via localhost
# that forwards into the machine.
# * `:private_network` - The machine gets an IP that is not directly
# publicly accessible, but ideally accessible from this machine.
# * `:public_network` - The machine gets an IP on a shared network.
#
# @param [Symbol] type Type of network
# @param [Hash] options Options for the network.
def network(type, options=nil)
options ||= {}
options = options.dup
options[:protocol] ||= "tcp"
if !options[:id]
default_id = nil
if type == :forwarded_port
# For forwarded ports, set the default ID to the
# host port so that host ports overwrite each other.
default_id = "#{options[:protocol]}#{options[:host]}"
end
options[:id] = default_id || SecureRandom.uuid
end
# Scope the ID by type so that different types can share IDs
id = options[:id]
id = "#{type}-#{id}"
# Merge in the previous settings if we have them.
if @__networks.has_key?(id)
options = @__networks[id][1].merge(options)
end
# Merge in the latest settings and set the internal state
@__networks[id] = [type.to_sym, options]
end
# Configures a provider for this VM.
#
# @param [Symbol] name The name of the provider.
def provider(name, &block)
name = name.to_sym
@__providers[name] ||= []
@__provider_overrides[name] ||= []
if block_given?
@__providers[name] << block if block_given?
# If this block takes two arguments, then we curry it and store
# the configuration override for use later.
if block.arity == 2
@__provider_overrides[name] << block.curry[Vagrant::Config::V2::DummyConfig.new]
end
end
end
def provision(name, **options, &block)
options[:id] = options[:id].to_s if options[:id]
prov = nil
if options[:id]
prov = @provisioners.find { |p| p.id == options[:id] }
end
if !prov
prov = VagrantConfigProvisioner.new(options[:id], name.to_sym)
@provisioners << prov
end
prov.preserve_order = !!options[:preserve_order]
prov.add_config(options, &block)
nil
end
def defined_vms
@__defined_vms
end
# This returns the keys of the sub-vms in the order they were
# defined.
def defined_vm_keys
@__defined_vm_keys
end
def define(name, options=nil, &block)
name = name.to_sym
options ||= {}
options = options.dup
options[:config_version] ||= "2"
# Add the name to the array of VM keys. This array is used to
# preserve the order in which VMs are defined.
@__defined_vm_keys << name if !@__defined_vm_keys.include?(name)
# Add the SubVM to the hash of defined VMs
if !@__defined_vms[name]
@__defined_vms[name] = VagrantConfigSubVM.new
end
@__defined_vms[name].options.merge!(options)
@__defined_vms[name].config_procs << [options[:config_version], block] if block
end
#-------------------------------------------------------------------
# Internal methods, don't call these.
#-------------------------------------------------------------------
def finalize!
# Defaults
@boot_timeout = 300 if @boot_timeout == UNSET_VALUE
@box_download_ca_cert = nil if @box_download_ca_cert == UNSET_VALUE
@box_download_checksum = nil if @box_download_checksum == UNSET_VALUE
@box_download_checksum_type = nil if @box_download_checksum_type == UNSET_VALUE
@box_download_client_cert = nil if @box_download_client_cert == UNSET_VALUE
@box_download_insecure = false if @box_download_insecure == UNSET_VALUE
@box_url = nil if @box_url == UNSET_VALUE
@graceful_halt_timeout = 300 if @graceful_halt_timeout == UNSET_VALUE
@guest = nil if @guest == UNSET_VALUE
@hostname = nil if @hostname == UNSET_VALUE
@hostname = @hostname.to_s if @hostname
# Make sure that the download checksum is a string and that
# the type is a symbol
@box_download_checksum = "" if !@box_download_checksum
if @box_download_checksum_type
@box_download_checksum_type = @box_download_checksum_type.to_sym
end
# Make sure the box URL is an array if it is set
if @box_url && !@box_url.is_a?(Array)
@box_url = [@box_url]
end
# Set the guest properly
@guest = @guest.to_sym if @guest
# If we haven't defined a single VM, then we need to define a
# default VM which just inherits the rest of the configuration.
define(DEFAULT_VM_NAME) if defined_vm_keys.empty?
# Clean up some network configurations
@__networks.each do |type, opts|
if type == :forwarded_port
opts[:guest] = opts[:guest].to_i if opts[:guest]
opts[:host] = opts[:host].to_i if opts[:host]
end
end
# Compile all the provider configurations
@__providers.each do |name, blocks|
# If we don't have any configuration blocks, then ignore it
next if blocks.empty?
# Find the configuration class for this provider
config_class = Vagrant.plugin("2").manager.provider_configs[name]
config_class ||= Vagrant::Config::V2::DummyConfig
# Load it up
config = config_class.new
blocks.each do |b|
b.call(config, Vagrant::Config::V2::DummyConfig.new)
end
config.finalize!
# Store it for retrieval later
@__compiled_provider_configs[name] = config
end
@__synced_folders.each do |id, options|
if options[:nfs]
options[:type] = :nfs
end
# Ignore NFS on Windows
if options[:type] == :nfs && Vagrant::Util::Platform.windows?
options.delete(:type)
end
end
# Flag that we finalized
@__finalized = true
end
# This returns the compiled provider-specific configurationf or the
# given provider.
#
# @param [Symbol] name Name of the provider.
def get_provider_config(name)
raise "Must finalize first." if !@__finalized
result = @__compiled_provider_configs[name]
# If no compiled configuration was found, then we try to just
# use the default configuration from the plugin.
if !result
config_class = Vagrant.plugin("2").manager.provider_configs[name]
if config_class
result = config_class.new
result.finalize!
end
end
return result
end
# This returns a list of VM configurations that are overrides
# for this provider.
#
# @param [Symbol] name Name of the provider
# @return [Array<Proc>]
def get_provider_overrides(name)
(@__provider_overrides[name] || []).map do |p|
["2", p]
end
end
# This returns the list of networks configured.
def networks
@__networks.values
end
# This returns the list of synced folders
def synced_folders
@__synced_folders
end
def validate(machine)
errors = _detected_errors
errors << I18n.t("vagrant.config.vm.box_missing") if !box
errors << I18n.t("vagrant.config.vm.box_not_found", :name => box) if \
box && !box_url && !machine.box
errors << I18n.t("vagrant.config.vm.hostname_invalid_characters") if \
@hostname && @hostname !~ /^[a-z0-9][-.a-z0-9]+$/i
if box_download_ca_cert
path = Pathname.new(box_download_ca_cert).
expand_path(machine.env.root_path)
if !path.file?
errors << I18n.t(
"vagrant.config.vm.box_download_ca_cert_not_found",
path: box_download_ca_cert)
end
end
if box_download_checksum_type
if box_download_checksum == ""
errors << I18n.t("vagrant.config.vm.box_download_checksum_blank")
end
else
if box_download_checksum != ""
errors << I18n.t("vagrant.config.vm.box_download_checksum_notblank")
end
end
has_nfs = false
used_guest_paths = Set.new
@__synced_folders.each do |id, options|
# If the shared folder is disabled then don't worry about validating it
next if options[:disabled]
guestpath = Pathname.new(options[:guestpath])
hostpath = Pathname.new(options[:hostpath]).expand_path(machine.env.root_path)
if guestpath.relative? && guestpath.to_s !~ /^\w+:/
errors << I18n.t("vagrant.config.vm.shared_folder_guestpath_relative",
:path => options[:guestpath])
else
if used_guest_paths.include?(options[:guestpath])
errors << I18n.t("vagrant.config.vm.shared_folder_guestpath_duplicate",
:path => options[:guestpath])
end
used_guest_paths.add(options[:guestpath])
end
if !hostpath.directory? && !options[:create]
errors << I18n.t("vagrant.config.vm.shared_folder_hostpath_missing",
:path => options[:hostpath])
end
if options[:type] == :nfs
has_nfs = true
if options[:owner] || options[:group]
# Owner/group don't work with NFS
errors << I18n.t("vagrant.config.vm.shared_folder_nfs_owner_group",
:path => options[:hostpath])
end
end
if options[:mount_options] && !options[:mount_options].is_a?(Array)
errors << I18n.t("vagrant.config.vm.shared_folder_mount_options_array")
end
# One day remove this probably.
if options[:extra]
errors << "The 'extra' flag on synced folders is now 'mount_options'"
end
end
if has_nfs
errors << I18n.t("vagrant.config.vm.nfs_not_supported") if \
!machine.env.host.capability(:nfs_installed)
end
# Validate networks
has_fp_port_error = false
fp_used = Set.new
valid_network_types = [:forwarded_port, :private_network, :public_network]
networks.each do |type, options|
if !valid_network_types.include?(type)
errors << I18n.t("vagrant.config.vm.network_type_invalid",
:type => type.to_s)
end
if type == :forwarded_port
if !has_fp_port_error && (!options[:guest] || !options[:host])
errors << I18n.t("vagrant.config.vm.network_fp_requires_ports")
has_fp_port_error = true
end
if options[:host]
key = "#{options[:protocol]}#{options[:host]}"
if fp_used.include?(key)
errors << I18n.t("vagrant.config.vm.network_fp_host_not_unique",
:host => options[:host].to_s,
:protocol => options[:protocol].to_s)
end
fp_used.add(key)
end
end
if type == :private_network
if options[:type] != :dhcp
if !options[:ip]
errors << I18n.t("vagrant.config.vm.network_ip_required")
end
end
if options[:ip] && options[:ip].end_with?(".1")
machine.ui.warn(I18n.t(
"vagrant.config.vm.network_ip_ends_in_one"))
end
end
end
# We're done with VM level errors so prepare the section
errors = { "vm" => errors }
# Validate only the _active_ provider
if machine.provider_config
provider_errors = machine.provider_config.validate(machine)
if provider_errors
errors = Vagrant::Config::V2::Util.merge_errors(errors, provider_errors)
end
end
# Validate provisioners
@provisioners.each do |vm_provisioner|
if vm_provisioner.invalid?
errors["vm"] << I18n.t("vagrant.config.vm.provisioner_not_found",
:name => vm_provisioner.name)
next
end
if vm_provisioner.config
provisioner_errors = vm_provisioner.config.validate(machine)
if provisioner_errors
errors = Vagrant::Config::V2::Util.merge_errors(errors, provisioner_errors)
end
end
end
errors
end
end
end
end