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run.rb
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run.rb
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module Runbook
module Run
def self.included(base)
base.extend(ClassMethods)
_register_kill_all_panes_hook(base)
_register_additional_step_whitespace_hook(base)
::Runbook::Util::Repo.register_save_repo_hook(base)
::Runbook::Util::Repo.register_delete_stored_repo_hook(base)
::Runbook::Util::StoredPose.register_save_pose_hook(base)
::Runbook::Util::StoredPose.register_delete_stored_pose_hook(base)
end
module ClassMethods
include Runbook::Hooks
include Runbook::Helpers::FormatHelper
include Runbook::Helpers::TmuxHelper
def execute(object, metadata)
return if should_skip?(metadata)
method = _method_name(object)
if respond_to?(method)
send(method, object, metadata)
else
msg = "ERROR! No execution rule for #{object.class} (#{_method_name(object)}) in #{to_s}"
metadata[:toolbox].error(msg)
return
end
end
def runbook__entities__book(object, metadata)
metadata[:toolbox].output("Executing #{object.title}...\n\n")
end
def runbook__entities__section(object, metadata)
metadata[:toolbox].output("Section #{metadata[:position]}: #{object.title}\n\n")
end
def runbook__entities__step(object, metadata)
toolbox = metadata[:toolbox]
title = " #{object.title}".rstrip
toolbox.output("Step #{metadata[:position]}:#{title}\n\n")
return if metadata[:auto] || metadata[:noop] ||
!metadata[:paranoid] || object.title.nil?
step_choices = _step_choices(object, metadata)
continue_result = toolbox.expand("Continue?", step_choices)
_handle_continue_result(continue_result, object, metadata)
end
def runbook__statements__ask(object, metadata)
target = object.parent.dsl
existing_val = target.instance_variable_get(:"@#{object.into}")
default = existing_val || object.default
if metadata[:auto]
if default
target.singleton_class.class_eval { attr_accessor object.into }
target.send("#{object.into}=".to_sym, default)
return
end
error_msg = "ERROR! Can't execute ask statement without default in automatic mode!"
metadata[:toolbox].error(error_msg)
raise Runbook::Runner::ExecutionError, error_msg
end
if metadata[:noop]
default_msg = default ? " (default: #{default})" : ""
echo_msg = object.echo ? "" : " (echo: false)"
metadata[:toolbox].output("[NOOP] Ask: #{object.prompt} (store in: #{object.into})#{default_msg}#{echo_msg}")
return
end
result = metadata[:toolbox].ask(object.prompt, default: default, echo: object.echo)
target = object.parent.dsl
target.singleton_class.class_eval { attr_accessor object.into }
target.send("#{object.into}=".to_sym, result)
end
def runbook__statements__confirm(object, metadata)
if metadata[:auto]
metadata[:toolbox].output("Skipping confirmation (auto): #{object.prompt}")
else
if metadata[:noop]
metadata[:toolbox].output("[NOOP] Prompt: #{object.prompt}")
return
end
result = metadata[:toolbox].yes?(object.prompt)
metadata[:toolbox].exit(1) unless result
end
end
def runbook__statements__description(object, metadata)
metadata[:toolbox].output("Description:")
metadata[:toolbox].output("#{object.msg}\n")
end
def runbook__statements__layout(object, metadata)
if metadata[:noop]
metadata[:toolbox].output(
"[NOOP] Layout: #{object.structure.inspect}"
)
unless ENV["TMUX"]
msg = "Warning: layout statement called outside a tmux pane."
metadata[:toolbox].warn(msg)
end
return
end
unless ENV["TMUX"]
error_msg = "Error: layout statement called outside a tmux pane. Exiting..."
metadata[:toolbox].error(error_msg)
metadata[:toolbox].exit(1)
end
structure = object.structure
title = object.parent.title
layout_panes = setup_layout(structure, runbook_title: title)
metadata[:layout_panes].merge!(layout_panes)
end
def runbook__statements__note(object, metadata)
metadata[:toolbox].output("Note: #{object.msg}")
end
def runbook__statements__notice(object, metadata)
metadata[:toolbox].warn("Notice: #{object.msg}")
end
def runbook__statements__tmux_command(object, metadata)
if metadata[:noop]
metadata[:toolbox].output("[NOOP] Run: `#{object.cmd}` in pane #{object.pane}")
return
end
send_keys(object.cmd, metadata[:layout_panes][object.pane])
end
def runbook__statements__ruby_command(object, metadata)
if metadata[:noop]
metadata[:toolbox].output("[NOOP] Run the following Ruby block:\n")
begin
source = deindent(object.block.source)
metadata[:toolbox].output("```ruby\n#{source}\n```\n")
rescue ::MethodSource::SourceNotFoundError => e
metadata[:toolbox].output("Unable to retrieve source code")
end
return
end
next_index = metadata[:index] + 1
parent_items = object.parent.items
remaining_items = parent_items.slice!(next_index..-1)
object.parent.dsl.instance_exec(object, metadata, self, &object.block)
parent_items[next_index..-1].each { |item| item.dynamic! }
parent_items.push(*remaining_items)
end
def runbook__statements__wait(object, metadata)
if metadata[:noop]
metadata[:toolbox].output("[NOOP] Sleep #{object.time} seconds")
return
end
time = object.time
message = "Sleeping #{time} seconds [:bar] :current/:total"
pastel = Pastel.new
yellow = pastel.on_yellow(" ")
green = pastel.on_green(" ")
progress_bar = TTY::ProgressBar.new(
message,
total: time,
width: 60,
head: ">",
incomplete: yellow,
complete: green,
)
progress_bar.start
time.times do
sleep(1)
progress_bar.advance(1)
end
end
def should_skip?(metadata)
if metadata[:reversed] && metadata[:position].empty?
current_pose = "0"
else
current_pose = metadata[:position]
end
return false if current_pose.empty?
position = Gem::Version.new(current_pose)
start_at = Gem::Version.new(metadata[:start_at])
return position < start_at
end
def start_at_is_substep?(object, metadata)
return false unless object.is_a?(Entity)
return true if metadata[:position].empty?
metadata[:start_at].start_with?(metadata[:position])
end
def past_position?(current_position, position)
current_pose = Gem::Version.new(current_position)
pose = Gem::Version.new(position)
return pose <= current_pose
end
def _method_name(object)
object.class.to_s.underscore.gsub("/", "__")
end
def _step_choices(object, metadata)
[
{key: "c", name: "Continue to execute this step", value: :continue},
{key: "s", name: "Skip this step", value: :skip},
{key: "j", name: "Jump to the specified position", value: :jump},
{key: "P", name: "Disable paranoid mode", value: :no_paranoid},
{key: "e", name: "Exit the runbook", value: :exit},
]
end
def _handle_continue_result(result, object, metadata)
toolbox = metadata[:toolbox]
case result
when :continue
return
when :skip
position = metadata[:position]
current_step = position.split(".")[-1].to_i
new_step = current_step + 1
start_at = position.gsub(/\.#{current_step}$/, ".#{new_step}")
metadata[:start_at] = start_at
when :jump
result = toolbox.ask("What position would you like to jump to?")
if past_position?(metadata[:position], result)
metadata[:reverse] = true
metadata[:reversed] = true
end
metadata[:start_at] = result
when :no_paranoid
metadata[:paranoid] = false
when :exit
toolbox.exit(0)
end
end
end
def self._register_kill_all_panes_hook(base)
base.register_hook(
:kill_all_panes_after_book,
:after,
Runbook::Entities::Book,
) do |object, metadata|
next if metadata[:noop] || metadata[:layout_panes].none?
if metadata[:auto]
metadata[:toolbox].output("Killing all opened tmux panes...")
kill_all_panes(metadata[:layout_panes])
else
prompt = "Kill all opened panes?"
result = metadata[:toolbox].yes?(prompt)
if result
kill_all_panes(metadata[:layout_panes])
end
end
end
end
def self._register_additional_step_whitespace_hook(base)
base.register_hook(
:add_additional_step_whitespace_hook,
:after,
Runbook::Statement,
) do |object, metadata|
if object.parent.is_a?(Runbook::Entities::Step)
if object.parent.items.last == object
metadata[:toolbox].output("\n")
end
end
end
end
end
end