Class: Baptize::PackageDefinition

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, execution_scope, registry) ⇒ PackageDefinition

Returns a new instance of PackageDefinition.



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# File 'lib/baptize/package_definition.rb', line 6

def initialize(name, execution_scope, registry)
  @name = name
  @execution_scope = execution_scope
  @registry = registry
  @dependencies = []
  @install_block = nil
  @verify_block = nil
  @before_block = nil
  @after_block = nil
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args, &block) ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 74

def method_missing(sym, *args, &block)
  if @execution_scope.any?(sym)
    @execution_scope.fetch(sym)
  elsif @execution_scope.respond_to?(sym)
    @execution_scope.send(sym, *args, &block)
  else
    super
  end
end

Instance Attribute Details

#after_block ⇒ Object (readonly)

Returns the value of attribute after_block.



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# File 'lib/baptize/package_definition.rb', line 4

def after_block
  @after_block
end

#before_block ⇒ Object (readonly)

Returns the value of attribute before_block.



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# File 'lib/baptize/package_definition.rb', line 4

def before_block
  @before_block
end

#dependencies ⇒ Object (readonly)

Returns the value of attribute dependencies.



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# File 'lib/baptize/package_definition.rb', line 4

def dependencies
  @dependencies
end

#description(desc = nil) ⇒ Object (readonly) Also known as: desc

Returns the value of attribute description.



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# File 'lib/baptize/package_definition.rb', line 4

def description
  @description
end

#install_block ⇒ Object (readonly)

Returns the value of attribute install_block.



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# File 'lib/baptize/package_definition.rb', line 4

def install_block
  @install_block
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/baptize/package_definition.rb', line 4

def name
  @name
end

#verify_block ⇒ Object (readonly)

Returns the value of attribute verify_block.



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# File 'lib/baptize/package_definition.rb', line 4

def verify_block
  @verify_block
end

Instance Method Details

#after(&block) ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 104

def after(&block)
  @after_block = block
end

#before(&block) ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 100

def before(&block)
  @before_block = block
end

#execute(options = {}) ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 17

def execute(options={})
  unless @registry.packages_executed.include?(full_name) || options[:force]
    @registry.packages_executed << full_name
    logger.info "Resolving dependencies for #{name}"
    @registry.before(self).each do |dependency|
      logger.debug "--> #{dependency}"
      @registry.resolve_dependency(dependency).tap do |task|
        task.call
      end
    end
    @dependencies.each do |dependency|
      logger.debug "--> #{dependency}"
      @registry.resolve_dependency(dependency).tap do |task|
        task.call
      end
    end
    instance_eval(&before_block) if self.before_block
    if verify_block
      logger.debug "Verifying package #{name}"
      already_installed = begin
                            instance_eval(&verify_block)
                            true
                          rescue VerificationFailure
                            false
                          end
      if already_installed && !ENV['FORCE_INSTALL']
        logger.info "Skipping previously installed package #{name}"
      else
        if already_installed && ENV['FORCE_INSTALL']
          logger.important "Force installing previously installed package #{name}"
        else
          logger.info "Installing package #{name}"
        end
        instance_eval(&install_block)
        instance_eval(&verify_block)
      end
    elsif install_block
      # logger.important "WARNING: `verify` block not implemented for package #{name}."
      logger.info "Installing package #{name}"
      instance_eval(&install_block)
    else
      # logger.important "WARNING: `install` block not implemented for package #{name}."
      logger.info "Nothing to do for package #{name}"
    end
    instance_eval(&after_block) if after_block
    @registry.after(self).each do |dependency|
      @registry.resolve_dependency(dependency).tap do |task|
        task.call
      end
    end
  end
end

#full_name ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 84

def full_name
  name.to_s
end

#install(&block) ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 108

def install(&block)
  @install_block = block
end

#requires(*tasks) ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 94

def requires(*tasks)
  Array(tasks).flatten.each do |name|
    @dependencies << name
  end
end

#respond_to?(sym, include_priv = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/baptize/package_definition.rb', line 70

def respond_to?(sym, include_priv = false)
  super || @execution_scope.any?(sym) || @execution_scope.respond_to?(sym)
end

#verify(&block) ⇒ Object 



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# File 'lib/baptize/package_definition.rb', line 112

def verify(&block)
  @verify_block = block
end