vagrant/plugins/provisioners/cfengine/provisioner.rb

137 lines
5.0 KiB
Ruby

require "log4r"
require "vagrant"
module VagrantPlugins
module CFEngine
class Provisioner < Vagrant.plugin("2", :provisioner)
def provision
@logger = Log4r::Logger.new("vagrant::plugins::cfengine")
@logger.info("Checking for CFEngine installation...")
handle_cfengine_installation
if @config.files_path
@machine.ui.info(I18n.t("vagrant.cfengine_installing_files_path"))
install_files(Pathname.new(@config.files_path).expand_path(@machine.env.root_path))
end
handle_cfengine_bootstrap if @config.mode == :bootstrap
if @config.mode == :single_run
# Just let people know
@machine.ui.info(I18n.t("vagrant.cfengine_single_run"))
end
if @config.run_file
@machine.ui.info(I18n.t("vagrant.cfengine_single_run_execute"))
path = Pathname.new(@config.run_file).expand_path(@machine.env.root_path)
machine.communicate.upload(path.to_s, @config.upload_path)
cfagent("-KI -f #{@config.upload_path}#{cfagent_classes_args}#{cfagent_extra_args}")
end
end
protected
# This runs cf-agent with the given arguments.
def cfagent(args, options=nil)
options ||= {}
command = "/var/cfengine/bin/cf-agent #{args}"
@machine.communicate.sudo(command, error_check: options[:error_check]) do |type, data|
if [:stderr, :stdout].include?(type)
# Output the data with the proper color based on the stream.
color = type == :stdout ? :green : :red
# Note: Be sure to chomp the data to avoid the newlines that the
# Chef outputs.
@machine.ui.info(data.chomp, :color => color, :prefix => false)
end
end
end
# Returns the arguments for the classes configuration if they are
# set.
#
# @return [String]
def cfagent_classes_args
return "" if !@config.classes
args = @config.classes.map { |c| "-D#{c}" }.join(" ")
return " #{args}"
end
# Extra arguments for calles to cf-agent.
#
# @return [String]
def cfagent_extra_args
return "" if !@config.extra_agent_args
return " #{@config.extra_agent_args}"
end
# This handles checking if the CFEngine installation needs to
# be bootstrapped, and bootstraps if it does.
def handle_cfengine_bootstrap
@logger.info("Bootstrapping CFEngine...")
if !@machine.guest.capability(:cfengine_needs_bootstrap, @config)
@machine.ui.info(I18n.t("vagrant.cfengine_no_bootstrap"))
return
end
# Needs bootstrap, let's determine the parameters
policy_server_address = @config.policy_server_address
if !policy_server_address
policy_server_address = @machine.guest.capability(:read_ip_address)
raise Vagrant::Errors::CFEngineCantAutodetectIP if !policy_server_address
@machine.ui.info(I18n.t("vagrant.cfengine_detected_ip", address: policy_server_address))
end
@machine.ui.info(I18n.t("vagrant.cfengine_bootstrapping",
policy_server: policy_server_address))
result = cfagent("--bootstrap #{policy_server_address}", error_check: false)
raise Vagrant::Errors::CFEngineBootstrapFailed if result != 0
# Policy hubs need to do additional things before they're ready
# to accept agents. Force that run now...
if @config.am_policy_hub
@machine.ui.info(I18n.t("vagrant.cfengine_bootstrapping_policy_hub"))
cfagent("-KI -f /var/cfengine/masterfiles/failsafe.cf#{cfagent_classes_args}")
cfagent("-KI #{cfagent_classes_args}#{cfagent_extra_args}")
end
end
# This handles verifying the CFEngine installation, installing it
# if it was requested, and so on. This method will raise exceptions
# if things are wrong.
def handle_cfengine_installation
if !@machine.guest.capability?(:cfengine_installed)
@machine.ui.warn(I18n.t("vagrant.cfengine_cant_detect"))
return
end
installed = @machine.guest.capability(:cfengine_installed)
if !installed || @config.install == :force
raise Vagrant::Errors::CFEngineNotInstalled if !@config.install
@machine.ui.info(I18n.t("vagrant.cfengine_installing"))
@machine.guest.capability(:cfengine_install, @config)
if !@machine.guest.capability(:cfengine_installed)
raise Vagrant::Errors::CFEngineInstallFailed
end
end
end
# This installs a set of files into the CFEngine folder within
# the machine.
#
# @param [Pathname] local_path
def install_files(local_path)
@logger.debug("Copying local files to CFEngine: #{local_path}")
@machine.communicate.sudo("rm -rf /tmp/cfengine-files")
@machine.communicate.upload(local_path.to_s, "/tmp/cfengine-files")
@machine.communicate.sudo("cp -R /tmp/cfengine-files/* /var/cfengine")
end
end
end
end