Class: BrpmScriptExecutor

Inherits:
Object
  • Object
show all
Defined in:
lib/brpm_script_executor.rb

Class Method Summary collapse

Class Method Details

.execute_automation_script(modul, name, params) ⇒ Object Also known as: execute_automation_script_from_gem 



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# File 'lib/brpm_script_executor.rb', line 78

def execute_automation_script(modul, name, params)
  begin
    BrpmAuto.setup(params)

    BrpmAuto.log ""
    BrpmAuto.log ">>>>>>>>>>>>>> START automation #{name}"
    start_time = Time.now

    module_version = params["module_version"] || BrpmAuto.get_latest_installed_version(modul)
    module_path = BrpmAuto.get_module_gem_path(modul, module_version)

    if File.exists?(module_path)
      BrpmAuto.log "Found module #{modul} #{module_version || ""} in gem path #{module_path}."
    else
      raise Gem::GemNotFoundException, "Module #{modul} version #{module_version} is not installed. Expected it on path #{module_path}."
    end

    BrpmAuto.require_module(modul, module_version)

    automation_script_path = "#{module_path}/automations/#{name}.rb"

    BrpmAuto.log "Executing the automation script #{automation_script_path}..."
    load automation_script_path

  rescue Exception => e
    BrpmAuto.log_error "#{e}"
    BrpmAuto.log "\n\t" + e.backtrace.join("\n\t")

    raise e
  ensure
    stop_time = Time.now
    duration = 0
    duration = stop_time - start_time unless start_time.nil?

    BrpmAuto.log ">>>>>>>>>>>>>> STOP automation #{name} - total duration: #{Time.at(duration).utc.strftime("%H:%M:%S")}"
    BrpmAuto.log ""

    #load "#{File.dirname(__FILE__)}/write_to.rb" if BrpmAuto.params.run_from_brpm
  end
end

.execute_automation_script_from_other_process(modul, name, params_file) ⇒ Object 



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# File 'lib/brpm_script_executor.rb', line 55

def execute_automation_script_from_other_process(modul, name, params_file)
  raise "Params file #{params_file} doesn't exist." unless File.exists?(params_file)

  puts "Loading params file #{params_file}..."
  params = YAML.load_file(params_file)

  puts "Loading the BRPM Content framework..."
  BrpmAuto.setup(params)
  BrpmAuto.log "The BRPM Content framework is loaded now. (version: #{BrpmAuto.version})"

  BrpmAuto.log "Deleting params file #{params_file}..."
  FileUtils.rm(params_file)

  if params["SS_run_key"] and params["SS_script_support_path"]
    BrpmAuto.log "Loading script_support libraries..."
    require "#{params["SS_script_support_path"]}/ssh_script_header.rb"
    require "#{params["SS_script_support_path"]}/script_helper.rb"
    require "#{params["SS_script_support_path"]}/file_in_utf.rb"
  end

  execute_automation_script(modul, name, params)
end

.execute_automation_script_in_separate_process(modul, name, params) ⇒ Object 



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# File 'lib/brpm_script_executor.rb', line 9

def execute_automation_script_in_separate_process(modul, name, params)
  BrpmAuto.setup(params)

  params_file = "#{File.expand_path(params["SS_output_dir"] || params["output_dir"] || Dir.pwd)}/params_#{params["SS_run_key"] || params["run_key"] || "000"}.yml"

  BrpmAuto.log "Creating params file #{params_file}..."
  File.open(params_file, "w") do |file|
    file.puts(params.to_yaml)
  end

  env_vars = {}
  env_vars["GEM_HOME"] = ENV["BRPM_CONTENT_HOME"] || "#{ENV["BRPM_HOME"]}/modules"

  BrpmAuto.log "Finding the module path..."
  module_version = params["module_version"] || BrpmAuto.get_latest_installed_version(modul)
  module_path = BrpmAuto.get_module_gem_path(modul, module_version)

  if File.exists?(module_path)
    BrpmAuto.log "Found module #{modul} #{module_version || ""} in path #{module_path}."
  else
    raise Gem::GemNotFoundException, "Module #{modul} version #{module_version} is not installed. Expected it on path #{module_path}."
  end

  require_statements = ""
  gemfile_path = "#{module_path}/Gemfile"
  unless File.exists?(gemfile_path)
    BrpmAuto.log_error("This module doesn't have a Gemfile. Expected it at #{gemfile_path}.")
    return
  end

  BrpmAuto.log "Found a Gemfile (#{gemfile_path}) so the automation script will have to run inside bundler."
  env_vars["BUNDLE_GEMFILE"] = gemfile_path
  require_statements += "require 'bundler/setup'; "
  # TODO Bundler.require

  BrpmAuto.log "Executing automation script '#{name}' from module '#{modul}' in a separate process..."
  result = Bundler.clean_system(env_vars, RbConfig.ruby, "-e", "#{require_statements}; require 'brpm_script_executor'; BrpmScriptExecutor.execute_automation_script_from_other_process(\"#{modul}\", \"#{name}\", \"#{params_file}\")")
  if result.nil?
    BrpmAuto.log_error("The process that executed the automation script returned with 'Command execution failed'.")
  elsif result == false
    BrpmAuto.log_error("The process that executed the automation script  returned with non-zero exit code: #{$?.exitstatus}")
  end

  result
end

.execute_resource_automation_script(modul, name, params, parent_id, offset, max_records) ⇒ Object Also known as: execute_resource_automation_script_from_gem 



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# File 'lib/brpm_script_executor.rb', line 121

def execute_resource_automation_script(modul, name, params, parent_id, offset, max_records)
  begin
    BrpmAuto.setup(params)

    BrpmAuto.log ""
    BrpmAuto.log ">>>>>>>>>>>>>> START resource automation #{name}"
    start_time = Time.now

    BrpmAuto.log "Loading module #{modul} and its dependencies..."
    module_path = BrpmAuto.require_module(modul) #TODO: get the module version of the calling script
    BrpmAuto.log "Finished loading the module."

    automation_script_path = "#{module_path}/resource_automations/#{name}.rb"

    BrpmAuto.log "Executing the resource automation script #{automation_script_path}..."
    load automation_script_path

    BrpmAuto.log "Calling execute_resource_automation_script(params, parent_id, offset, max_records)..."
    execute_script(params, parent_id, offset, max_records)

  rescue Exception => e
    BrpmAuto.log_error "#{e}"
    BrpmAuto.log "\n\t" + e.backtrace.join("\n\t")

    raise e
  ensure
    stop_time = Time.now
    duration = stop_time - start_time

    BrpmAuto.log ">>>>>>>>>>>>>> STOP resource automation #{name} - total duration: #{Time.at(duration).utc.strftime("%H:%M:%S")}"
    BrpmAuto.log ""

    #load "#{File.dirname(__FILE__)}/write_to.rb" if BrpmAuto.params.run_from_brpm
  end
end