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 48

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 73

def self.authenticate_v2(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]
  @openstack_tenant   = options[:openstack_tenant]
  @openstack_auth_token = options[:openstack_auth_token]
  @service_name         = options[:openstack_service_name]
  @identity_service_name = options[:openstack_identity_service_name]
  @endpoint_type         = options[:openstack_endpoint_type] || 'publicURL'
  @openstack_region      = options[:openstack_region]

  if @openstack_auth_token
    req_body = {
      'auth' => {
        'token' => {
          'id' => @openstack_auth_token
        }
      }
    }
  else
    req_body = {
      'auth' => {
        'passwordCredentials'  => {
          'username' => @openstack_username,
          'password' => @openstack_api_key.to_s
        }
      }
    }
  end
  req_body['auth']['tenantName'] = @openstack_tenant if @openstack_tenant

  body = retrieve_tokens_v2(connection, req_body, uri)

  svc = body['access']['serviceCatalog'].
    detect{|x| @service_name.include?(x['type']) }

  unless svc
    unless @openstack_tenant
      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',
                     '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
        req_body['auth']['tenantName'] = body['tenants'].first['name']
      end
    end

    body = retrieve_tokens_v2(connection, req_body, uri)
    if body['access']['token']['tenant'].nil?
      raise Errors::NotFound.new("Invalid Tenant '#{@openstack_tenant}'")
    end
    svc = body['access']['serviceCatalog'].
      detect{|x| @service_name.include?(x['type']) }
  end

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

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

  mgmt_url = svc['endpoints'].detect{|x| x[@endpoint_type]}[@endpoint_type]
  identity_url = identity_svc['endpoints'].detect{|x| x['publicURL']}['publicURL'] if identity_svc
  token = body['access']['token']['id']

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

.retrieve_tokens_v2(connection, request_body, uri) ⇒ Object 



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# File 'lib/fog/openstack.rb', line 162

def self.retrieve_tokens_v2(connection, request_body, uri)
  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