Module: Occi::Cli::Helpers::CreateHelper

Defined in:
lib/occi/cli/helpers/create_helper.rb

Constant Summary collapse

MIN_TIMEOUT = 
5
WAIT_FOR_STATES = 
%w(active online).freeze

Instance Method Summary collapse

Instance Method Details

#helper_create(options, output = nil) ⇒ Object 



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# File 'lib/occi/cli/helpers/create_helper.rb', line 6

def helper_create(options, output = nil)
  location = nil

  if resource_types.include?(options.resource) || resource_type_identifiers.include?(options.resource)
    location = helper_create_resource(options)
  else
    Occi::Cli::Log.warn "I have no idea what #{options.resource.inspect} is ..."
    raise "Unknown resource #{options.resource.inspect}, there is nothing to create here!"
  end

  return location if output.nil?

  puts location
end

#helper_create_attach_context_vars(options, res) ⇒ Object 



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# File 'lib/occi/cli/helpers/create_helper.rb', line 114

def helper_create_attach_context_vars(options, res)
  # TODO: find a better/universal way to do contextualization
  return unless options.context_vars
  Occi::Cli::Log.debug "with context variables: #{options.context_vars.inspect}"

  options.context_vars.each_pair do |var, val|
    schema = nil
    mxn_attrs = Occi::Core::Attributes.new

    case var
    when 'public_key', :public_key
      schema = "http://schemas.openstack.org/instance/credentials#"
      mxn_attrs['org.openstack.credentials.publickey.name'] = {}
      mxn_attrs['org.openstack.credentials.publickey.data'] = {}
    when 'user_data', :user_data
      schema = "http://schemas.openstack.org/compute/instance#"
      mxn_attrs['org.openstack.compute.user_data'] = {}
    else
      Occi::Cli::Log.warn "Unknown context variable! #{var.to_s.inspect}"
      schema = "http://schemas.ogf.org/occi/core#"
    end

    mxn = Occi::Core::Mixin.new(schema, var.to_s, 'OS contextualization mixin', mxn_attrs)
    res.mixins << mxn

    case var
    when 'public_key', :public_key
      # Not setting `publickey.name` to avoid conflicts with already registered keys
      # res.attributes['org.openstack.credentials.publickey.name'] = 'Public SSH key'
      res.attributes['org.openstack.credentials.publickey.data'] = val
    when 'user_data', :user_data
      res.attributes['org.openstack.compute.user_data'] = val
    else
      Occi::Cli::Log.warn "Not setting attributes for an unknown context variable! #{var.to_s.inspect}"
    end
  end
end

#helper_create_attach_links(options, res) ⇒ Object 



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# File 'lib/occi/cli/helpers/create_helper.rb', line 70

def helper_create_attach_links(options, res)
  return unless options.links
  Occi::Cli::Log.debug "with links: #{options.links.inspect}"

  options.links.each do |link|
    if link.start_with? options.endpoint
      link.gsub!(options.endpoint.chomp('/'), '')
    end

    if link.include? "/storage/"
      Occi::Cli::Log.debug "Adding storagelink to #{options.resource.inspect}"
      res.storagelink link
    elsif link.include? "/network/"
      Occi::Cli::Log.debug "Adding networkinterface to #{options.resource.inspect}"
      res.networkinterface link
    elsif link.include? "/securitygroup/"
      Occi::Cli::Log.debug "Adding securitygrouplink to #{options.resource.inspect}"
      kind = 'http://schemas.ogf.org/occi/infrastructure#securitygrouplink'
      sec_grp_kind = 'http://schemas.ogf.org/occi/infrastructure#securitygroup'
      res.link link, kind, [], Occi::Core::Attributes.new, sec_grp_kind
    else
      raise "Unknown link type #{link.inspect}, stopping here!"
    end
  end
end

#helper_create_attach_mixins(options, res) ⇒ Object 



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# File 'lib/occi/cli/helpers/create_helper.rb', line 96

def helper_create_attach_mixins(options, res)
  return unless options.mixins
  Occi::Cli::Log.debug "with mixins: #{options.mixins.inspect}"

  options.mixins.to_a.each do |mxn|
    Occi::Cli::Log.debug "Adding mixin #{mxn.inspect} to #{options.resource.inspect}"

    orig_mxn = model.get_by_id(mxn.type_identifier)
    if orig_mxn.blank?
      orig_mxn = mixin(mxn.term, mxn.scheme.chomp('#'), true)
      raise Occi::Cli::Errors::MixinLookupError,
          "The specified mixin is not declared in the model! #{mxn.type_identifier.inspect}" if orig_mxn.blank?
    end

    res.mixins << orig_mxn
  end
end

#helper_create_resource(options) ⇒ Object 



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# File 'lib/occi/cli/helpers/create_helper.rb', line 21

def helper_create_resource(options)
  Occi::Cli::Log.debug "#{options.resource.inspect} is a resource type."

  res = resource(options.resource)

  Occi::Cli::Log.debug "Creating #{options.resource.inspect}: #{res.inspect}"

  helper_create_attach_mixins(options, res)

  if res.kind_of? Occi::Infrastructure::Compute
    helper_create_attach_links(options, res)
    # TODO: context vars are only attributes!
    helper_create_attach_context_vars(options, res)
  end

  options.attributes.names.each_pair do |attribute, value|
    res.attributes[attribute.to_s] = value
  end

  # TODO: OCCI-OS uses occi.compute.hostname instead of title
  if res.kind_of? Occi::Infrastructure::Compute
    res.hostname = options.attributes["occi.core.title"] if res.hostname.blank?
  end

  # TODO: enable check
  #res.check

  Occi::Cli::Log.debug "Creating #{options.resource.inspect}: #{res.inspect}"
  new_link = create(res)
  helper_create_wait(new_link, options.wait_for_active) if options.wait_for_active > 0

  new_link
end

#helper_create_wait(resource_link, timeout) ⇒ Object 



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# File 'lib/occi/cli/helpers/create_helper.rb', line 55

def helper_create_wait(resource_link, timeout)
  begin
    Timeout::timeout(timeout) {
      Occi::Cli::Log.debug "Starting #{timeout}s wait period for #{resource_link.inspect} to become active"
      while true
        desrc = describe(resource_link).first
        break if !desrc.respond_to?(:state) || WAIT_FOR_STATES.include?(desrc.state)
        sleep MIN_TIMEOUT
      end
    }
  rescue Timeout::Error
    Occi::Cli::Log.warn "Attempted to wait #{timeout}s for #{resource_link.inspect} to become active"
  end
end