TDC 2015: ChatOps em Ruby

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ChatOps em Ruby

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@brodock github.com/brodock blog.gabrielmazetto.eti.br Gabriel Mazetto Full-Stack Developer

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POPE Team

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POPE Team

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# /etc/init.d/daemon stop

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Alguns números

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8M+ requests 0.9+ APDEX 50M+ de emails

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29K+ commits 2.5K+ PRs fechados 1 bot 24/7

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O que é ChatOps?

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Conversation Driven Development

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Reforça a Cultura

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Todos fazem deploy Até os designers

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Legal! Devo usar o Hubot então?

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Lita Robot companion em ruby

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➔ Escrito em Ruby ➔ Suporta diversos serviços de chat ➔ Plugins (vários deles) ➔ Bundler / Rubygems ➔ Persistência em Redis ➔ Webserver interno (webhooks) ➔ Reativo a eventos (triggers) ➔ Suporta chamadas HTTP externas (acessar apis) ➔ Autorização por Grupos ➔ I18n (sem enrolation) ➔ Rspec (totalmente testável)

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e primeiros passos Instalação

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$ gem install lita Successfully installed lita-4.3.2 Parsing documentation for lita-4.3.2 Installing ri documentation for lita-4.3.2 Done installing documentation for lita after 1 seconds 1 gem installed

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$ lita --help Commands: lita adapter NAME # Generates a new Lita adapter lita extension NAME # Generates a new Lita extension lita handler NAME # Generates a new Lita handler lita help [COMMAND] # Describe available commands or one specific command lita new NAME # Generates a new Lita project (default name: lita) lita start # Starts Lita lita version # Outputs the current version of Lita

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$ lita new tdcbot create tdcbot create tdcbot/Gemfile create tdcbot/lita_config.rb

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$ cat Gemfile source "https://rubygems.org" gem "lita" # Uncomment to use the HipChat adapter # gem "lita-hipchat" # Uncomment to use the IRC adapter # gem "lita-irc" # Add handlers to give Lita new functionality. # For example: # gem "lita-google-images" # gem "lita-karma"

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$ cat lita_config.rb Lita.configure do |config| # The name your robot will use. config.robot.name = "Lita" # The locale code for the language to use. # config.robot.locale = :en # The severity of messages to log. Options are: # :debug, :info, :warn, :error, :fatal # Messages at the selected level and above will be logged. config.robot.log_level = :info ...

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$ bundle install Fetching gem metadata from https://rubygems.org/........... Resolving dependencies... Using multipart-post 2.0.0 Using bundler 1.7.6 Using i18n 0.7.0 Using rb-readline 0.5.2 Using ice_nine 0.11.1 Using multi_json 1.11.0 Using redis 3.2.1 Using thor 0.19.1 Using faraday 0.9.1 Using redis-namespace 1.5.2 Installing rack 1.6.1 ...

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executando no terminal

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$ lita start Type "exit" or "quit" to end the session. TDCBot > TDCBot help TDCBot: help - Lists help information for terms and command the robot will respond to. TDCBot: help COMMAND - Lists help information for terms or commands that begin with COMMAND. TDCBot: info - Replies with the current version of Lita. TDCBot: users find SEARCH_TERM - Find a Lita user by ID, name, or mention name. TDCBot > tem alguem ai? TDCBot >

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Criando um plugin

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$ lita handler tdc create lita-tdc/lib/lita/handlers/tdc.rb create lita-tdc/lib/lita-tdc.rb create lita-tdc/spec/lita/handlers/tdc_spec.rb create lita-tdc/spec/spec_helper.rb create lita-tdc/locales/en.yml create lita-tdc/templates/.gitkeep create lita-tdc/Gemfile create lita-tdc/lita-tdc.gemspec create lita-tdc/.gitignore create lita-tdc/Rakefile create lita-tdc/README.md

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module Lita module Handlers class Tdc < Handler end Lita.register_handler(Tdc) end end

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module Lita module Handlers class Tdc < Handler route(/palestra$/i, :next_keynote, command: true, help: {"palestra" => "Informa qual será a próxima palestra"}) def next_keynote(message) keynote = Keynote.get_next message.reply "Próxima palestra: #{keynote.title}" end end Lita.register_handler(Tdc) end end

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Verificando o Status CI

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module Lita module Handlers class Tdc < Handler route(/status ci (.+)$/i, :check_ci, command: true, help: {"status ci" => "Informa o estado o build informado"}) def check_ci(message) ci = XundaCI.get_status(message.match_data[1]) response.reply "Status do build: #{ci.status}" end end Lita.register_handler(Tdc) end end

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Como automatizar um deploy?

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Github Heaven + Heroku

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github.com/atmos/heaven

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module Lita module Handlers class Tdc < Handler route(/deploy (\w*) (\w*)$/i, :deploy_branch, command: true, help: {"deploy [repo] [branch]" => "Realiza o deploy conforme os parametros"}) def deploy_branch(message) repo, branch = message.match_data[1], message.match_data[2] github.create_deployment(repo, branch) response.reply "Fazendo deploy do #{repo}/#{branch}!" end # continua... end Lita.register_handler(Tdc) end end

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module Lita module Handlers class Tdc < Handler # continuação… config :token, type: String, required: true def github @github ||= Octokit::Client.new(access_token: config.token) end end Lita.register_handler(Tdc) end end

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$ lita start Type "exit" or "quit" to end the session. TDCBot > TDCBot deploy xunda-app/xunda-branch TDCBot: Fazendo deploy xunda-app/xunda-branch! TDCBot >