Download E-books Rake Task Management Essentials PDF

By Andrey Koleshko

Deploy, attempt, and construct software program to resolve realworld automation demanding situations utilizing Rake

About This Book

  • Solve real-world automation demanding situations with human readable code
  • Build or install an software package deal quickly
  • Easy-to-follow directions to hurry up projects and deal with them efficiently

Who This e-book Is For

If you're a developer who's conversant in the Ruby language and need to hurry up writing the code taken with records, then this publication is for you. to begin analyzing this booklet, a uncomplicated wisdom of Ruby is needed; even if, an in depth adventure with the language isn't necessary.

What you are going to Learn

  • Use the rake command-line software efficiently
  • Learn Rake's language to write down transparent customized tasks
  • Run initiatives in parallel to hurry up the final runtime of the projects used
  • Work with dossier alterations to control dossier tasks
  • Refactor a Rake undertaking with the principles, necessities, and different technical beneficial properties outfitted into Rake tools
  • Configure a scheduler to run habitual initiatives on a server
  • Configure non-stop integration with Rake utilizing a Jenkins example
  • Integrate Rake with the Rails net framework to write down Rails-specific rake tasks

In Detail

Rake is a construct automation software written in Ruby. It lets you specify initiatives and describe dependencies in addition to workforce projects in a namespace. Rake makes use of Ruby's nameless functionality blocks to outline numerous initiatives, permitting using the Ruby syntax. Rake's objective is to automate construct methods quick and expressively.

"Rake activity administration necessities" is a realistic consultant that covers the newest strategies in construction, trying out, and debugging rake initiatives to unravel real-world automation demanding situations. The publication begins with a easy wisdom of Rake, permitting you to resolve repetitive initiatives. Then it will give you information regarding strategies played with records, that's the most important for figuring out the applying of the device. It contains demonstrations to teach you ways projects may be run in parallel and the way they are often utilized in perform. Thereafter, it integrates Rake with Ruby with assistance from easy and transparent examples. by way of the top of this booklet, you are going to know the way Rake has replaced the programming international, specially within the Ruby community.

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Sixty seven ] Debugging Rake projects utilizing the --rules choice to hint the guideline solution the connection among initiatives turns into the main tricky while the projects are principles. therefore, a rule activity will be fitted to many job names. for instance, whilst the rule of thumb specifies a typical expression rather than a reputation. consequently, the principles that have been defined formerly will not aid us besides. for those who run a job that was once authorized by means of a rule, it's totally invaluable to grasp which activity may be achieved and within which order. Rake presents us with a --rules choice to express us a rule's solution. have a look at the subsequent Rakefile from bankruptcy three, operating with ideas: require 'rake/clean' e-book = 'book/book. asc' CHAPTERS = FileList['book/*. asc']. exclude(BOOK) DOCX_OUTPUT = 'output/%n. docx' ODT_OUTPUT = 'output/%n. odt' fresh. include('output/*. html') CLOBBER. include('output') namespace :generate do listing 'output' desc 'Generate just one article with given quantity' job :article, [:number] do |t, args| num = args. quantity article = CHAPTERS. observe { |ch| ch =~ /#{num}. asc$/ } Rake::Task[article. pathmap(DOCX_OUTPUT)]. invoke Rake::Task[:clean]. invoke finish desc job job activity 'Generate :articles :articles :articles articles one after the other' => CHAPTERS. pathmap(DOCX_OUTPUT) => CHAPTERS. pathmap(ODT_OUTPUT) => [:clean] desc 'Generate the full ebook' job :book => publication. pathmap(DOCX_OUTPUT) activity :book => [:clean] dossier 'output/book. html' => ['book/book. asc'] do |t| [ sixty eight ] Chapter 6 sh "asciidoc -d booklet -o #{t. identify} book/book. asc" finish rule /\. docx|\. odt$/ => '. html' do |t| sh "pandoc -s #{t. resource} -o #{t. name}" finish rule '. html' => proc { |name| identify. pathmap('book/%n. asc') } do |t| sh "asciidoc -o #{t. identify} #{t. source}" finish rule '. asc' => 'output' finish it truly is complex to illustrate the output of the rule's answer at the generate:article[number] activity: the subsequent is the output of the $ rake --rules generate:article[1] command: As you will see, the knowledge includes a chain of rule executions. this data could be very priceless in case you have an unforeseen habit within the rule task's execution. utilizing the Ruby method of debug a Rake undertaking As you realize Rake venture is a Ruby undertaking; as a result, all manipulations that you could be use with a Ruby venture may be utilized to Rake undertaking. So, you may use normal debuggers from the Ruby international. [ sixty nine ] Debugging Rake projects presently, there are instruments to debug the Ruby code: debugger and pry. whereas those instruments can be used for the debugging approach, they're a little bit various form of instruments: the debugger instrument is in particular a debugger in lots of programming languages, however the pry software is a higher console that's designed to paintings in a number of contexts, together with the purposes operating within the history. we will use both as according to our requirement. the assumption is identical for either one of those instruments, and the next steps can be played for every: 1. set up the instrument. 2. upload a breakpoint. three. Run a rake job. The code should be paused at the breakpoint.

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