vagrant/plugins/provisioners/chef/provisioner/chef_solo.rb

241 lines
8.8 KiB
Ruby

require "digest/md5"
require "securerandom"
require "set"
require "log4r"
require "vagrant/util/counter"
require "vagrant/action/builtin/mixin_synced_folders"
require_relative "base"
module VagrantPlugins
module Chef
module Provisioner
# This class implements provisioning via chef-solo.
class ChefSolo < Base
extend Vagrant::Util::Counter
include Vagrant::Util::Counter
include Vagrant::Action::Builtin::MixinSyncedFolders
attr_reader :environments_folders
attr_reader :cookbook_folders
attr_reader :node_folders
attr_reader :role_folders
attr_reader :data_bags_folders
def initialize(machine, config)
super
@logger = Log4r::Logger.new("vagrant::provisioners::chef_solo")
@shared_folders = []
end
def configure(root_config)
@cookbook_folders = expanded_folders(@config.cookbooks_path, "cookbooks")
@role_folders = expanded_folders(@config.roles_path, "roles")
@data_bags_folders = expanded_folders(@config.data_bags_path, "data_bags")
@environments_folders = expanded_folders(@config.environments_path, "environments")
@node_folders = expanded_folders(@config.nodes_path, "nodes")
existing = synced_folders(@machine, cached: true)
share_folders(root_config, "csc", @cookbook_folders, existing)
share_folders(root_config, "csr", @role_folders, existing)
share_folders(root_config, "csdb", @data_bags_folders, existing)
share_folders(root_config, "cse", @environments_folders, existing)
share_folders(root_config, "csn", @node_folders, existing)
end
def provision
install_chef
# Verify that the proper shared folders exist.
check = []
@shared_folders.each do |type, local_path, remote_path|
# We only care about checking folders that have a local path, meaning
# they were shared from the local machine, rather than assumed to
# exist on the VM.
check << remote_path if local_path
end
chown_provisioning_folder
verify_shared_folders(check)
verify_binary(chef_binary_path("chef-solo"))
upload_encrypted_data_bag_secret
setup_json
setup_solo_config
run_chef_solo
delete_encrypted_data_bag_secret
end
# Converts paths to a list of properly expanded paths with types.
def expanded_folders(paths, appended_folder=nil)
# Convert the path to an array if it is a string or just a single
# path element which contains the folder location (:host or :vm)
paths = [paths] if paths.is_a?(String) || paths.first.is_a?(Symbol)
results = []
paths.each do |type, path|
# Create the local/remote path based on whether this is a host
# or VM path.
local_path = nil
remote_path = nil
if type == :host
# Get the expanded path that the host path points to
local_path = File.expand_path(path, @machine.env.root_path)
if File.exist?(local_path)
# Path exists on the host, setup the remote path. We use
# the MD5 of the local path so that it is predictable.
key = Digest::MD5.hexdigest(local_path)
remote_path = "#{guest_provisioning_path}/#{key}"
else
appended_folder = "cookbooks" if appended_folder.nil?
@machine.ui.warn(I18n.t("vagrant.provisioners.chef.#{appended_folder}_folder_not_found_warning",
path: local_path.to_s))
next
end
else
# Path already exists on the virtual machine. Expand it
# relative to where we're provisioning.
# Remove drive letter if running on a windows host. This is a bit
# of a hack but is the most portable way I can think of at the moment
# to achieve this. Otherwise, Vagrant attempts to share at some crazy
# path like /home/vagrant/c:/foo/bar
remote_path = File.expand_path(path.gsub(/^[a-zA-Z]:\//, "/"), guest_provisioning_path.gsub(/^[a-zA-Z]:\//, "/"))
end
# If we have specified a folder name to append then append it
if type == :host
remote_path += "/#{appended_folder}" if appended_folder
end
# Append the result
results << [type, local_path, remote_path]
end
results
end
# Shares the given folders with the given prefix. The folders should
# be of the structure resulting from the `expanded_folders` function.
def share_folders(root_config, prefix, folders, existing=nil)
existing_set = Set.new
(existing || []).each do |_, fs|
fs.each do |id, data|
existing_set.add(data[:guestpath])
end
end
folders.each do |type, local_path, remote_path|
next if type != :host
# If this folder already exists, then we don't share it, it means
# it was already put down on disk.
#
# NOTE: This is currently commented out because it was causing
# major bugs (GH-5199). We will investigate why this is in more
# detail for 1.8.0, but we wanted to fix this in a patch release
# and this was the hammer that did that.
=begin
if existing_set.include?(remote_path)
@logger.debug("Not sharing #{local_path}, exists as #{remote_path}")
next
end
=end
key = Digest::MD5.hexdigest(remote_path)
key = key[0..8]
opts = {}
opts[:id] = "v-#{prefix}-#{key}"
opts[:type] = @config.synced_folder_type if @config.synced_folder_type
root_config.vm.synced_folder(local_path, remote_path, opts)
end
@shared_folders += folders
end
def setup_solo_config
setup_config("provisioners/chef_solo/solo", "solo.rb", solo_config)
end
def solo_config
{
cookbooks_path: guest_paths(@cookbook_folders),
recipe_url: @config.recipe_url,
nodes_path: guest_paths(@node_folders),
roles_path: guest_paths(@role_folders),
data_bags_path: guest_paths(@data_bags_folders),
environments_path: guest_paths(@environments_folders).first
}
end
def run_chef_solo
if @config.run_list && @config.run_list.empty?
@machine.ui.warn(I18n.t("vagrant.chef_run_list_empty"))
end
command = CommandBuilder.command(:solo, @config,
windows: windows?,
colored: @machine.env.ui.color?,
legacy_mode: @config.legacy_mode,
)
still_active = 259 #provisioner has asked chef to reboot
@config.attempts.times do |attempt|
exit_status = 0
while exit_status == 0 || exit_status == still_active
if @machine.guest.capability?(:wait_for_reboot)
@machine.guest.capability(:wait_for_reboot)
elsif attempt > 0
sleep 10
@machine.communicate.wait_for_ready(@machine.config.vm.boot_timeout)
end
if attempt == 0
@machine.ui.info I18n.t("vagrant.provisioners.chef.running_solo")
else
@machine.ui.info I18n.t("vagrant.provisioners.chef.running_solo_again")
end
opts = { error_check: false, elevated: true }
exit_status = @machine.communicate.sudo(command, opts) do |type, data|
# Output the data with the proper color based on the stream.
color = type == :stdout ? :green : :red
data = data.chomp
next if data.empty?
@machine.ui.info(data, color: color)
end
# There is no need to run Chef again if it converges
return if exit_status == 0
end
end
# If we reached this point then Chef never converged! Error.
raise ChefError, :no_convergence
end
def verify_shared_folders(folders)
folders.each do |folder|
@logger.debug("Checking for shared folder: #{folder}")
if !@machine.communicate.test("test -d #{folder}", sudo: true)
raise ChefError, :missing_shared_folders
end
end
end
protected
# Extracts only the remote paths from a list of folders
def guest_paths(folders)
folders.map { |parts| parts[2] }
end
end
end
end
end