Class: Veewee::Provider::Core::Provider

Inherits:

Object

• Object
• Veewee::Provider::Core::Provider

show all

Includes:

Helper::Shell

Defined in:

lib/veewee/provider/core/provider.rb

Instance Attribute Summary (collapse)

• - (Object) env

  Returns the value of attribute env.

• - (Object) name

  Returns the value of attribute name.

• - (Object) options

  Returns the value of attribute options.

• - (Object) type

  Returns the value of attribute type.

Class Method Summary (collapse)

• + (Boolean) available?

Instance Method Summary (collapse)

• - (Boolean) gem_available?(gemname)
• - (Boolean) gems_available?(names)
• - (Object) get_box(name)
• - (Provider) initialize(name, options, env) constructor

  A new instance of Provider.

Methods included from Helper::Shell

#shell_exec

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# File 'lib/veewee/provider/core/provider.rb', line 15

def initialize(name,options,env)

  @env=env
  @name=name
  @options=options
  @type=self.class.to_s.split("::")[-2]
  check_requirements
end

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# File 'lib/veewee/provider/core/provider.rb', line 7

def env
  @env
end

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# File 'lib/veewee/provider/core/provider.rb', line 11

def name
  @name
end

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# File 'lib/veewee/provider/core/provider.rb', line 8

def options
  @options
end

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# File 'lib/veewee/provider/core/provider.rb', line 10

def type
  @type
end

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# File 'lib/veewee/provider/core/provider.rb', line 37

def self.available?
  begin
    self.check_requirements
    return true
  rescue Error
    return false
  end
end

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# File 'lib/veewee/provider/core/provider.rb', line 46

def gem_available?(gemname)
    env.logger.info "Checking for gem #{gemname}"
    available=false
    begin
      available=true unless Gem::Specification::find_by_name("#{gemname}").nil?
    rescue Gem::LoadError
      env.logger.info "Error loading gem #{gemname}"
      available=false
    rescue
      env.logger.info "Falling back to old syntax for #{gemname}"
      available=Gem.available?("#{gemname}")
      env.logger.info "Old syntax #{gemname}.available? #{available}"
    end
    return available
end

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# File 'lib/veewee/provider/core/provider.rb', line 62

def gems_available?(names)
  names.each do |gemname|
    return false if !gem_available?(gemname)
  end
  return true
end

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# File 'lib/veewee/provider/core/provider.rb', line 24

def get_box(name)
  begin
    require_path='veewee/provider/'+type.to_s.downcase+"/box.rb"
    require require_path

    # Get a real box object from the Provider
    box=Object.const_get("Veewee").const_get("Provider").const_get(type.to_s.capitalize).const_get("Box").new(name,env)
  rescue Error => ex
    env.ui.error "Could not instante the box #{name} with provider #{type} ,#{ex}"
    raise
  end
end