vagrant/plugins/provisioners/ansible/provisioner/host.rb

309 lines
12 KiB
Ruby

require "thread"
require_relative "base"
module VagrantPlugins
module Ansible
module Provisioner
class Host < Base
@@lock = Mutex.new
def initialize(machine, config)
super
@logger = Log4r::Logger.new("vagrant::provisioners::ansible_host")
end
def provision
# At this stage, the SSH access is guaranteed to be ready
@ssh_info = @machine.ssh_info
check_files_existence
warn_for_unsupported_platform
execute_ansible_galaxy_from_host if config.galaxy_role_file
execute_ansible_playbook_from_host
end
protected
VAGRANT_ARG_SEPARATOR = 'VAGRANT_ARG_SEP'
def warn_for_unsupported_platform
if Vagrant::Util::Platform.windows?
@machine.env.ui.warn(I18n.t("vagrant.provisioners.ansible.windows_not_supported_for_control_machine"))
end
end
def prepare_command_arguments
# Connect with native OpenSSH client
# Other modes (e.g. paramiko) are not officially supported,
# but can be enabled via raw_arguments option.
@command_arguments << "--connection=ssh"
# Increase the SSH connection timeout, as the Ansible default value (10 seconds)
# is a bit demanding for some overloaded developer boxes. This is particularly
# helpful when additional virtual networks are configured, as their availability
# is not controlled during vagrant boot process.
@command_arguments << "--timeout=30"
if !config.force_remote_user
# Pass the vagrant ssh username as Ansible default remote user, because
# the ansible_ssh_user parameter won't be added to the auto-generated inventory.
@command_arguments << "--user=#{@ssh_info[:username]}"
elsif config.inventory_path
# Using an extra variable is the only way to ensure that the Ansible remote user
# is overridden (as the ansible inventory is not under vagrant control)
@command_arguments << "--extra-vars=ansible_ssh_user='#{@ssh_info[:username]}'"
end
@command_arguments << "--ask-sudo-pass" if config.ask_sudo_pass
@command_arguments << "--ask-vault-pass" if config.ask_vault_pass
prepare_common_command_arguments
end
def prepare_environment_variables
prepare_common_environment_variables
# Some Ansible options must be passed as environment variables,
# as there is no equivalent command line arguments
@environment_variables["ANSIBLE_HOST_KEY_CHECKING"] = "#{config.host_key_checking}"
# ANSIBLE_SSH_ARGS is required for Multiple SSH keys, SSH forwarding and custom SSH settings
@environment_variables["ANSIBLE_SSH_ARGS"] = ansible_ssh_args unless ansible_ssh_args.empty?
end
def execute_command_from_host(command)
begin
result = Vagrant::Util::Subprocess.execute(*command) do |type, data|
if type == :stdout || type == :stderr
@machine.env.ui.detail(data, new_line: false, prefix: false)
end
end
raise Ansible::Errors::AnsibleCommandFailed if result.exit_code != 0
rescue Vagrant::Errors::CommandUnavailable
raise Ansible::Errors::AnsibleNotFoundOnHost
end
end
def execute_ansible_galaxy_from_host
prepare_ansible_config_environment_variable
command_values = {
role_file: get_galaxy_role_file,
roles_path: get_galaxy_roles_path
}
command_template = config.galaxy_command.gsub(' ', VAGRANT_ARG_SEPARATOR)
str_command = command_template % command_values
command = str_command.split(VAGRANT_ARG_SEPARATOR)
command << {
env: @environment_variables,
# Write stdout and stderr data, since it's the regular Ansible output
notify: [:stdout, :stderr],
workdir: @machine.env.root_path.to_s
}
ui_running_ansible_command "galaxy", ansible_galaxy_command_for_shell_execution
execute_command_from_host command
end
def execute_ansible_playbook_from_host
prepare_environment_variables
prepare_command_arguments
# Assemble the full ansible-playbook command
command = [config.playbook_command] << @command_arguments
# Add the raw arguments at the end, to give them the highest precedence
command << config.raw_arguments if config.raw_arguments
command << config.playbook
command = command.flatten
command << {
env: @environment_variables,
# Write stdout and stderr data, since it's the regular Ansible output
notify: [:stdout, :stderr],
workdir: @machine.env.root_path.to_s
}
ui_running_ansible_command "playbook", ansible_playbook_command_for_shell_execution
execute_command_from_host command
end
def ship_generated_inventory(inventory_content)
inventory_path = Pathname.new(File.join(@machine.env.local_data_path.join, %w(provisioners ansible inventory)))
FileUtils.mkdir_p(inventory_path) unless File.directory?(inventory_path)
inventory_file = Pathname.new(File.join(inventory_path, 'vagrant_ansible_inventory'))
@@lock.synchronize do
if !File.exists?(inventory_file) or inventory_content != File.read(inventory_file)
begin
# ansible dir inventory will ignore files starting with '.'
inventory_tmpfile = Tempfile.new('.vagrant_ansible_inventory', inventory_path)
inventory_tmpfile.write(inventory_content)
inventory_tmpfile.close
File.rename(inventory_tmpfile.path, inventory_file)
ensure
inventory_tmpfile.close
inventory_tmpfile.unlink
end
end
end
return inventory_path
end
def generate_inventory_machines
machines = ""
@machine.env.active_machines.each do |am|
begin
m = @machine.env.machine(*am)
# Call only once the SSH and WinRM info computation
# Note that machines configured with WinRM communicator, also have a "partial" ssh_info.
m_ssh_info = m.ssh_info
host_vars = get_inventory_host_vars_string(m.name)
if m.config.vm.communicator == :winrm
m_winrm_net_info = CommunicatorWinRM::Helper.winrm_info(m) # can raise a WinRMNotReady exception...
machines += get_inventory_winrm_machine(m, m_winrm_net_info)
machines.sub!(/\n$/, " #{host_vars}\n") if host_vars
@inventory_machines[m.name] = m
elsif !m_ssh_info.nil?
machines += get_inventory_ssh_machine(m, m_ssh_info)
machines.sub!(/\n$/, " #{host_vars}\n") if host_vars
@inventory_machines[m.name] = m
else
@logger.error("Auto-generated inventory: Impossible to get SSH information for machine '#{m.name} (#{m.provider_name})'. This machine should be recreated.")
# Let a note about this missing machine
machines += "# MISSING: '#{m.name}' machine was probably removed without using Vagrant. This machine should be recreated.\n"
end
rescue Vagrant::Errors::MachineNotFound, CommunicatorWinRM::Errors::WinRMNotReady => e
@logger.info("Auto-generated inventory: Skip machine '#{am[0]} (#{am[1]})', which is not configured for this Vagrant environment.")
end
end
return machines
end
def get_provisioning_working_directory
machine.env.root_path
end
def get_inventory_ssh_machine(machine, ssh_info)
forced_remote_user = ""
if config.force_remote_user
forced_remote_user = "ansible_ssh_user='#{ssh_info[:username]}' "
end
"#{machine.name} ansible_ssh_host=#{ssh_info[:host]} ansible_ssh_port=#{ssh_info[:port]} #{forced_remote_user}ansible_ssh_private_key_file='#{ssh_info[:private_key_path][0]}'\n"
end
def get_inventory_winrm_machine(machine, winrm_net_info)
forced_remote_user = ""
if config.force_remote_user
forced_remote_user = "ansible_ssh_user='#{machine.config.winrm.username}' "
end
"#{machine.name} ansible_connection=winrm ansible_ssh_host=#{winrm_net_info[:host]} ansible_ssh_port=#{winrm_net_info[:port]} #{forced_remote_user}ansible_ssh_pass='#{machine.config.winrm.password}'\n"
end
def ansible_ssh_args
@ansible_ssh_args ||= prepare_ansible_ssh_args
end
def prepare_ansible_ssh_args
ssh_options = []
# Use an SSH ProxyCommand when using the Docker provider with the intermediate host
if @machine.provider_name == :docker && machine.provider.host_vm?
docker_host_ssh_info = machine.provider.host_vm.ssh_info
proxy_cmd = "ssh #{docker_host_ssh_info[:username]}@#{docker_host_ssh_info[:host]}" +
" -p #{docker_host_ssh_info[:port]} -i #{docker_host_ssh_info[:private_key_path][0]}"
# Use same options than plugins/providers/docker/communicator.rb
# Note: this could be improved (DRY'ed) by sharing these settings.
proxy_cmd += " -o Compression=yes -o ConnectTimeout=5 -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
proxy_cmd += " -o ForwardAgent=yes" if @ssh_info[:forward_agent]
proxy_cmd += " exec nc %h %p 2>/dev/null"
ssh_options << "-o ProxyCommand='#{ proxy_cmd }'"
# TODO ssh_options << "-o ProxyCommand=\"#{ proxy_cmd }\""
end
# Use an SSH ProxyCommand when corresponding Vagrant setting is defined
if @machine.ssh_info[:proxy_command]
proxy_cmd = @machine.ssh_info[:proxy_command]
ssh_options << "-o ProxyCommand='#{ proxy_cmd }'"
end
# Don't access user's known_hosts file, except when host_key_checking is enabled.
ssh_options << "-o UserKnownHostsFile=/dev/null" unless config.host_key_checking
# Set IdentitiesOnly=yes to avoid authentication errors when the host has more than 5 ssh keys.
# Notes:
# - Solaris/OpenSolaris/Illumos uses SunSSH which doesn't support the IdentitiesOnly option.
# - this could be improved by sharing logic with lib/vagrant/util/ssh.rb
ssh_options << "-o IdentitiesOnly=yes" unless Vagrant::Util::Platform.solaris?
# Multiple Private Keys
unless !config.inventory_path && @ssh_info[:private_key_path].size == 1
@ssh_info[:private_key_path].each do |key|
ssh_options << "-i '#{key}'"
end
end
# SSH Forwarding
ssh_options << "-o ForwardAgent=yes" if @ssh_info[:forward_agent]
# Unchecked SSH Parameters
ssh_options.concat(config.raw_ssh_args) if config.raw_ssh_args
# Re-enable ControlPersist Ansible defaults,
# which are lost when ANSIBLE_SSH_ARGS is defined.
unless ssh_options.empty?
ssh_options << "-o ControlMaster=auto"
ssh_options << "-o ControlPersist=60s"
# Intentionally keep ControlPath undefined to let ansible-playbook
# automatically sets this option to Ansible default value
end
ssh_options.join(' ')
end
def check_path(path, path_test_method, option_name)
# Checks for the existence of given file (or directory) on the host system,
# and error if it doesn't exist.
expanded_path = Pathname.new(path).expand_path(@machine.env.root_path)
if !expanded_path.public_send(path_test_method)
raise Ansible::Errors::AnsibleError,
_key: :config_file_not_found,
config_option: option_name,
path: expanded_path,
system: "host"
end
end
def check_path_is_a_file(path, option_name)
check_path(path, "file?", option_name)
end
def check_path_exists(path, option_name)
check_path(path, "exist?", option_name)
end
end
end
end
end