Class: Wombat::Options

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

Constant Summary collapse

NAME =
File.basename($0).freeze

Class Method Summary collapse

Class Method Details

.parse(args) ⇒ Object



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# File 'lib/wombat/cli.rb', line 19

def self.parse(args)
  options = OpenStruct.new

  global = OptionParser.new do |opts|
    opts.banner = "Usage: #{NAME} [SUBCOMMAND [options]]"
    opts.separator ""
    opts.version = Wombat::VERSION
    opts.separator <<-COMMANDS.gsub(/^ {8}/, "")
      build        :   build one or more templates
      delete       :   delete a stack
      deploy       :   deploy a stack
      help         :   prints this help message
      init         :   create wombat skeleton project
      list         :   list all templates in project
      outputs      :   get outputs for a stack
      latest       :   search for latest images
      update       :   update lock and/or cloud template
    COMMANDS
  end

  templates_argv_proc = proc { |options|
    options.templates = ARGV unless args.empty?
  }

  box_version_argv_proc = proc { |options|
    options.box = ARGV[0]
    options.version = ARGV[1]
  }

  stack_argv_proc = proc { |options|
    options.stack = ARGV[0]
  }

  file_argv_proc = proc { |options|
    options.file = ARGV[0]
  }

  subcommand = {
    build: {
      class: BuildRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} build [options] TEMPLATE[ TEMPLATE ...]"

        opts.on("-o BUILDER", "--only BUILDER", 'Only build the builds with the given comma-separated names') do |opt|
          options.builder = opt
        end

        opts.on("--parallel", "Build in parallel") do |opt|
          options.parallel = opt
        end

        opts.on("-c CONFIG", "--config CONFIG", "Specify a different yaml config (default is wombat.yml)") do |opt|
          options.wombat_yml = opt
        end

        opts.on("--debug", "Run in debug mode.") do |opt|
          options.debug = opt
        end

        opts.on("--novendorcookbooks", "Do not vendor cookbooks") do |opt|
          options.vendor = opt
        end
      },
      argv: templates_argv_proc
    },
    delete: {
      class: DeleteRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} delete STACK"

        opts.on("-c CLOUD", "--cloud CLOUD", "Select cloud") do |opt|
          options.cloud = opt
        end

        opts.on("--force", "Force the removal of the parent resource group") do |opt|
          options.force = opt
        end

        opts.on("--async", "Delete resources asynchronously when not removing all, e.g. do not block command line.  (Azure Only)") do |opt|
          options.azure_async = opt
        end

        opts.on("--config CONFIG", "Specify a different yaml config (default is wombat.yml)") do |opt|
          options.wombat_yml = opt
        end

      },
      argv: stack_argv_proc
    },
    deploy: {
      class: DeployRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} deploy STACK"

        opts.on("-c CLOUD", "--cloud CLOUD", "Select cloud") do |opt|
          options.cloud = opt
        end

        opts.on("--update-lock", "Update lockfile") do |opt|
          options.update_lock = opt
        end

        opts.on("--update-template", "Update template") do |opt|
          options.update_template = opt
        end

        opts.on("--async", "Deploy stack asynchronously, e.g. do not block command line.  Only applies to Azure deployments.") do |opt|
          options.azure_async = opt
        end

        opts.on("--config CONFIG", "Specify a different yaml config (default is wombat.yml)") do |opt|
          options.wombat_yml = opt
        end

        opts.on("-n NAME", "--name NAME", "Name of the stack to create rather than the filename of the stack.  Implies --nosuffix.") do |opt|
          options.stack_name = opt
        end

        opts.on("--nosuffix", "Do not append timestamp to end of the stack (Azure Only)") do |opt|
          options.nosuffix = opt
        end
      },
      argv: stack_argv_proc
    },
    help: {
      parser: OptionParser.new {},
      argv: proc { |options|
        puts global
        exit(0)
      }
    },
    init: {
      class: InitRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} init"

        opts.on("-p PATH", "--path PATH", "Path to copy skeleton") do |opt|
          options.path = opt
        end
      },
      argv: stack_argv_proc
    },
    list: {
      class: ListRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} list [TEMPLATE ...]"
      },
      argv: templates_argv_proc
    },
    outputs: {
      class: OutputRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} outputs STACK"

        opts.on("-c CLOUD", "--cloud CLOUD", "Select cloud") do |opt|
          options.cloud = opt
        end
      },
      argv: stack_argv_proc
    },
    latest: {
      class: LatestRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} search"

        opts.on("-c CLOUD", "--cloud CLOUD", "Select cloud") do |opt|
          options.cloud = opt
        end
      },
      argv: stack_argv_proc
    },
    update: {
      class: UpdateRunner,
      parser: OptionParser.new { |opts|
        opts.banner = "Usage: #{NAME} update [lock || template]"

        opts.on("-c CLOUD", "--cloud CLOUD", "Select cloud") do |opt|
          options.cloud = opt
        end

        opts.on("--config CONFIG", "Specify a different yaml config (default is wombat.yml)") do |opt|
          options.wombat_yml = opt
        end
      },
      argv: file_argv_proc
    }
  }

  global.order!

  command = args.empty? ? :help : ARGV.shift.to_sym
  subcommand.fetch(command).fetch(:parser).order!
  subcommand.fetch(command).fetch(:argv).call(options)

  options.command = command
  options.klass = subcommand.fetch(command).fetch(:class)

  options
end