Class: Openstack::Client::ServiceCatalog

Inherits:
Object
  • Object
show all
Defined in:
lib/openstack-client/service_catalog.rb

Overview

Helper class for dealing with a Keystone Service Catalog.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource_dict) ⇒ ServiceCatalog

Returns a new instance of ServiceCatalog.



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# File 'lib/openstack-client/service_catalog.rb', line 12

def initialize resource_dict
  self.catalog = resource_dict
end

Instance Attribute Details

#catalog ⇒ Object

Returns the value of attribute catalog.



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# File 'lib/openstack-client/service_catalog.rb', line 10

def catalog
  @catalog
end

Instance Method Details

#endpoints(options = {}) ⇒ Object

Fetch and filter endpoints for the specified service(s)

Returns endpoints for the specified service (or all) and that contain the specified type (or all).



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# File 'lib/openstack-client/service_catalog.rb', line 65

def endpoints options={}
  service_type  = options[:service_type]
  endpoint_type = options[:endpoint_type]

  return {}.tap do |rtn|
    catalog = self.catalog['serviceCatalog'] || []

    catalog.each do |service|
      next if service_type and service_type != service['type']

      rtn[service['type']] = []
      service['endpoints'].each do |endpoint|
        next if endpoint_type and endpoint.include?(endpoint_type)
        rtn[service['type']] << endpoint
      end
    end
  end
end

#token ⇒ Hash

Fetch token details fron service catalog

Returns:

  • (Hash) —

    token



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# File 'lib/openstack-client/service_catalog.rb', line 18

def token
  unless defined?(@token)
    @token = {
      'id' => self.catalog['token']['id'],
      'expires' => Time.parse(self.catalog['token']['expires'])
    }
    @token['tenant'] = self.catalog['token']['tenant']['id'] if self.catalog['token']['tenant']
  end
  @token
end

#url_for(options = {}) ⇒ Object

Fetch an endpoint from the service catalog.

Fetch the specified endpoint from the service catalog for a particular endpoint attribute. If no attribute is given, return the first endpoint of the specified type.

See tests for a sample service catalog.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :service_type (String) —

    service type for url. (Default ‘identity’)

  • :endpoint_type (String) —

    endpoint_type for url. (Default ‘publicURL’)

  • :attribute (String) —

    attribute for filter.

  • :filter_value (String) —

    filter_value for url.



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# File 'lib/openstack-client/service_catalog.rb', line 42

def url_for options={}
  service_type  = options[:service_type] || 'identity'
  endpoint_type = options[:endpoint_type] || 'publicURL'
  attribute     = options[:attribute]
  filter_value  = options[:filter_value]

  catalog = self.catalog['serviceCatalog'] || []

  catalog.each do |service|
    next unless service['type'] == service_type

    service['endpoints'].each do |endpoint|
      return endpoint[endpoint_type] if filter_value.nil? || endpoint[attribute] == filter_value
    end
  end

  raise 'Endpoint not found.'
end