Module: Fog::OpenStack

Extended by:
Provider
Defined in:
lib/fog/openstack.rb

Defined Under Namespace

Modules: Errors

Class Method Summary collapse

Methods included from Provider

[], extended, service, services

Class Method Details

.authenticate_v1(options, connection_options = {}) ⇒ Object

legacy v1.0 style auth



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# File 'lib/fog/openstack.rb', line 49

def self.authenticate_v1(options, connection_options = {})
  uri = options[:openstack_auth_uri]
  connection = Fog::Connection.new(uri.to_s, false, connection_options)
  @openstack_api_key  = options[:openstack_api_key]
  @openstack_username = options[:openstack_username]

  response = connection.request({
    :expects  => [200, 204],
    :headers  => {
      'X-Auth-Key'  => @openstack_api_key,
      'X-Auth-User' => @openstack_username
    },
    :host     => uri.host,
    :method   => 'GET',
    :path     =>  (uri.path and not uri.path.empty?) ? uri.path : 'v1.0'
  })

  return {
    :token => response.headers['X-Auth-Token'],
    :server_management_url => response.headers['X-Server-Management-Url'],
    :identity_public_endpoint => response.headers['X-Keystone']
  }
end

.authenticate_v2(options, connection_options = {}) ⇒ Object

Keystone Style Auth



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# File 'lib/fog/openstack.rb', line 74

def self.authenticate_v2(options, connection_options = {})
  uri                   = options[:openstack_auth_uri]
  tenant_name           = options[:openstack_tenant]
  service_name          = options[:openstack_service_name]
  identity_service_name = options[:openstack_identity_service_name]
  endpoint_type         = (options[:openstack_endpoint_type] || 'publicURL').to_s
  openstack_region      = options[:openstack_region]


  body = retrieve_tokens_v2(options, connection_options)
  service = body['access']['serviceCatalog'].
    detect {|s| service_name.include?(s['type']) }

  options[:unscoped_token] = body['access']['token']['id']

  unless service
    unless tenant_name
      response = Fog::Connection.new(
        "#{uri.scheme}://#{uri.host}:#{uri.port}/v2.0/tenants", false, connection_options).request({
        :expects => [200, 204],
        :headers => {'Content-Type' => 'application/json',
                     'Accept' => 'application/json',
                     'X-Auth-Token' => body['access']['token']['id']},
        :host    => uri.host,
        :method  => 'GET'
      })

      body = Fog::JSON.decode(response.body)
      if body['tenants'].empty?
        raise Errors::NotFound.new('No Tenant Found')
      else
        options[:openstack_tenant] = body['tenants'].first['name']
      end
    end

    body = retrieve_tokens_v2(options, connection_options)
    service = body['access']['serviceCatalog'].
      detect{|s| service_name.include?(s['type']) }
  end

  service['endpoints'] = service['endpoints'].select do |endpoint|
    endpoint['region'] == openstack_region
  end if openstack_region

  if service['endpoints'].count > 1
    regions = service["endpoints"].map{ |e| e['region'] }.uniq.join(',')
    raise Errors::NotFound.new("Multiple regions available choose one of these '#{regions}'")
  end

  identity_service = body['access']['serviceCatalog'].
    detect{|x| identity_service_name.include?(x['type']) } if identity_service_name
  tenant = body['access']['token']['tenant']
  user = body['access']['user']

  management_url = service['endpoints'].detect{|s| s[endpoint_type]}[endpoint_type]
  identity_url   = identity_service['endpoints'].detect{|s| s['publicURL']}['publicURL'] if identity_service

  {
    :user                     => user,
    :tenant                   => tenant,
    :identity_public_endpoint => identity_url,
    :server_management_url    => management_url,
    :token                    => body['access']['token']['id'],
    :expires                  => body['access']['token']['expires'],
    :current_user_id          => body['access']['user']['id'],
    :unscoped_token           => options[:unscoped_token]
  }
end

.retrieve_tokens_v2(options, connection_options = {}) ⇒ Object 



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# File 'lib/fog/openstack.rb', line 143

def self.retrieve_tokens_v2(options, connection_options = {})
  api_key     = options[:openstack_api_key].to_s
  username    = options[:openstack_username].to_s
  tenant_name = options[:openstack_tenant].to_s
  auth_token  = options[:openstack_auth_token] || options[:unscoped_token]
  uri         = options[:openstack_auth_uri]

  connection = Fog::Connection.new(uri.to_s, false, connection_options)
  request_body = {:auth => Hash.new}

  if auth_token
    request_body[:auth][:token] = {
      :id => auth_token
    }
  else
    request_body[:auth][:passwordCredentials] = {
      :username => username,
      :password => api_key
    }
  end
  request_body[:auth][:tenantName] = tenant_name if tenant_name

  response = connection.request({
    :expects  => [200, 204],
    :headers  => {'Content-Type' => 'application/json'},
    :body     => Fog::JSON.encode(request_body),
    :host     => uri.host,
    :method   => 'POST',
    :path     => (uri.path and not uri.path.empty?) ? uri.path : 'v2.0'
  })

  Fog::JSON.decode(response.body)
end