class BotoBalanceInterface(BalanceInterface): conn = None saveclcdata = False def __init__(self, clc_host, access_id, secret_key, token): #boto.set_stream_logger('foo') path='/services/elb' port=8773 if clc_host[len(clc_host)-13:] == 'amazonaws.com': clc_host = clc_host.replace('ec2', 'elasticloadbalancing', 1) path = '/' reg = None port=443 reg = RegionInfo(name='eucalyptus', endpoint=clc_host) self.conn = ELBConnection(access_id, secret_key, region=reg, port=port, path=path, is_secure=True, security_token=token, debug=0) self.conn.https_validate_certificates = False self.conn.http_connection_kwargs['timeout'] = 30 def __save_json__(self, obj, name): f = open(name, 'w') json.dump(obj, f, cls=BotoJsonBalanceEncoder, indent=2) f.close() def create_load_balancer(self, name, zones, listeners, subnets=None, security_groups=None, scheme='internet-facing'): return self.conn.create_load_balancer(name, zones, listeners, subnets, security_groups, scheme) def delete_load_balancer(self, name): return self.conn.delete_load_balancer(name) def get_all_load_balancers(self, load_balancer_names=None): return [] obj = self.conn.get_all_load_balancers(load_balancer_names) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Balancers.json") return obj def deregister_instances(self, load_balancer_name, instances): return self.conn.deregister_instances(load_balancer_name, instances) def register_instances(self, load_balancer_name, instances): return self.conn.register_instances(load_balancer_name, instances) def create_load_balancer_listeners(self, name, listeners): return self.conn.create_load_balancer_listeners(name, listeners) def delete_load_balancer_listeners(self, name, ports): return self.conn.delete_load_balancer_listeners(name, ports) def configure_health_check(self, name, health_check): return self.conn.configure_health_check(name, health_check) def describe_instance_health(self, load_balancer_name, instances=None): obj = self.conn.describe_instance_health(load_balancer_name, instances) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Instances.json") return obj
class BotoBalanceInterface(BalanceInterface): conn = None saveclcdata = False def __init__(self, clc_host, access_id, secret_key, token): self.access_id = access_id self.secret_key = secret_key self.token = token self.set_endpoint(clc_host) def set_endpoint(self, endpoint): #boto.set_stream_logger('foo') reg = RegionInfo(name='eucalyptus', endpoint=endpoint) path = '/services/LoadBalancing' port = 8773 if endpoint[len(endpoint)-13:] == 'amazonaws.com': endpoint = endpoint.replace('ec2', 'elasticloadbalancing', 1) path = '/' reg = RegionInfo(endpoint=endpoint) port = 443 self.conn = ELBConnection(self.access_id, self.secret_key, region=reg, port=port, path=path, is_secure=True, security_token=self.token, debug=0) self.conn.https_validate_certificates = False self.conn.http_connection_kwargs['timeout'] = 30 def __save_json__(self, obj, name): f = open(name, 'w') json.dump(obj, f, cls=BotoJsonBalanceEncoder, indent=2) f.close() def create_load_balancer(self, name, zones, listeners, subnets=None, security_groups=None, scheme='internet-facing'): return self.conn.create_load_balancer(name, zones, listeners, subnets, security_groups, scheme) def delete_load_balancer(self, name): return self.conn.delete_load_balancer(name) def get_all_load_balancers(self, load_balancer_names=None): params = {} if load_balancer_names: self.build_list_params(params, load_balancer_names, 'LoadBalancerNames.member.%d') http_request = self.conn.build_base_http_request('GET', '/', None, params, {}, '', self.conn.server_name()) http_request.params['Action'] = 'DescribeLoadBalancers' http_request.params['Version'] = self.conn.APIVersion response = self.conn._mexe(http_request, override_num_retries=2) body = response.read() boto.log.debug(body) if not body: boto.log.error('Null body %s' % body) raise self.conn.ResponseError(response.status, response.reason, body) elif response.status == 200: obj = boto.resultset.ResultSet([('member', boto.ec2.elb.loadbalancer.LoadBalancer)]) h = boto.handler.XmlHandler(obj, self.conn) import xml.sax; xml.sax.parseString(body, h) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Balancers.json") return obj else: boto.log.error('%s %s' % (response.status, response.reason)) boto.log.error('%s' % body) raise self.conn.ResponseError(response.status, response.reason, body) def deregister_instances(self, load_balancer_name, instances): return self.conn.deregister_instances(load_balancer_name, instances) def register_instances(self, load_balancer_name, instances): return self.conn.register_instances(load_balancer_name, instances) def create_load_balancer_listeners(self, name, listeners): return self.conn.create_load_balancer_listeners(name, listeners) def delete_load_balancer_listeners(self, name, ports): return self.conn.delete_load_balancer_listeners(name, ports) def configure_health_check(self, name, health_check): return self.conn.configure_health_check(name, health_check) def describe_instance_health(self, load_balancer_name, instances=None): obj = self.conn.describe_instance_health(load_balancer_name, instances) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Instances.json") return obj
class BotoBalanceInterface(BalanceInterface): conn = None saveclcdata = False def __init__(self, clc_host, access_id, secret_key, token): #boto.set_stream_logger('foo') path = '/services/LoadBalancing' port = 8773 if clc_host[len(clc_host) - 13:] == 'amazonaws.com': clc_host = clc_host.replace('ec2', 'elasticloadbalancing', 1) path = '/' reg = None port = 443 reg = RegionInfo(name='eucalyptus', endpoint=clc_host) self.conn = ELBConnection(access_id, secret_key, region=reg, port=port, path=path, is_secure=True, security_token=token, debug=0) self.conn.https_validate_certificates = False self.conn.http_connection_kwargs['timeout'] = 30 def __save_json__(self, obj, name): f = open(name, 'w') json.dump(obj, f, cls=BotoJsonBalanceEncoder, indent=2) f.close() def create_load_balancer(self, name, zones, listeners, subnets=None, security_groups=None, scheme='internet-facing'): return self.conn.create_load_balancer(name, zones, listeners, subnets, security_groups, scheme) def delete_load_balancer(self, name): return self.conn.delete_load_balancer(name) def get_all_load_balancers(self, load_balancer_names=None): obj = self.conn.get_all_load_balancers(load_balancer_names) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Balancers.json") return obj def deregister_instances(self, load_balancer_name, instances): return self.conn.deregister_instances(load_balancer_name, instances) def register_instances(self, load_balancer_name, instances): return self.conn.register_instances(load_balancer_name, instances) def create_load_balancer_listeners(self, name, listeners): return self.conn.create_load_balancer_listeners(name, listeners) def delete_load_balancer_listeners(self, name, ports): return self.conn.delete_load_balancer_listeners(name, ports) def configure_health_check(self, name, health_check): return self.conn.configure_health_check(name, health_check) def describe_instance_health(self, load_balancer_name, instances=None): obj = self.conn.describe_instance_health(load_balancer_name, instances) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Instances.json") return obj
class BotoBalanceInterface(BalanceInterface): conn = None saveclcdata = False def __init__(self, clc_host, access_id, secret_key, token): #boto.set_stream_logger('foo') path = '/services/LoadBalancing' port = 8773 if clc_host[len(clc_host) - 13:] == 'amazonaws.com': clc_host = clc_host.replace('ec2', 'elasticloadbalancing', 1) path = '/' reg = None port = 443 reg = RegionInfo(name='eucalyptus', endpoint=clc_host) self.conn = ELBConnection(access_id, secret_key, region=reg, port=port, path=path, is_secure=True, security_token=token, debug=0) self.conn.https_validate_certificates = False self.conn.http_connection_kwargs['timeout'] = 30 def __save_json__(self, obj, name): f = open(name, 'w') json.dump(obj, f, cls=BotoJsonBalanceEncoder, indent=2) f.close() def create_load_balancer(self, name, zones, listeners, subnets=None, security_groups=None, scheme='internet-facing'): return self.conn.create_load_balancer(name, zones, listeners, subnets, security_groups, scheme) def delete_load_balancer(self, name): return self.conn.delete_load_balancer(name) def get_all_load_balancers(self, load_balancer_names=None): params = {} if load_balancer_names: self.build_list_params(params, load_balancer_names, 'LoadBalancerNames.member.%d') http_request = self.conn.build_base_http_request( 'GET', '/', None, params, {}, '', self.conn.server_name()) http_request.params['Action'] = 'DescribeLoadBalancers' http_request.params['Version'] = self.conn.APIVersion response = self.conn._mexe(http_request, override_num_retries=2) body = response.read() boto.log.debug(body) if not body: boto.log.error('Null body %s' % body) raise self.conn.ResponseError(response.status, response.reason, body) elif response.status == 200: obj = boto.resultset.ResultSet([ ('member', boto.ec2.elb.loadbalancer.LoadBalancer) ]) h = boto.handler.XmlHandler(obj, self.conn) import xml.sax xml.sax.parseString(body, h) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Balancers.json") return obj else: boto.log.error('%s %s' % (response.status, response.reason)) boto.log.error('%s' % body) raise self.conn.ResponseError(response.status, response.reason, body) def deregister_instances(self, load_balancer_name, instances): return self.conn.deregister_instances(load_balancer_name, instances) def register_instances(self, load_balancer_name, instances): return self.conn.register_instances(load_balancer_name, instances) def create_load_balancer_listeners(self, name, listeners): return self.conn.create_load_balancer_listeners(name, listeners) def delete_load_balancer_listeners(self, name, ports): return self.conn.delete_load_balancer_listeners(name, ports) def configure_health_check(self, name, health_check): return self.conn.configure_health_check(name, health_check) def describe_instance_health(self, load_balancer_name, instances=None): obj = self.conn.describe_instance_health(load_balancer_name, instances) if self.saveclcdata: self.__save_json__(obj, "mockdata/ELB_Instances.json") return obj
class LoadBalancer(BaseLoadBalancer): """The classic load balancer for ELB. This is used to interface with the classic Elastic Load Balancer, which can be used in VPC or in EC2-Classic. """ def __init__(self, name): """Initialize the instance. Args: name (unicode): The name of the load balancer. """ self.name = name self._cnx = ELBConnection() def register_instance(self, instance): """Register an instance on the load balancer. Args: instance (fabazon.ec2.EC2Instance): The instance to register. """ self._cnx.register_instances(self.name, [instance.id]) def unregister_instance(self, instance): """Unregister an instance from the load balancer. Args: instance (fabazon.ec2.EC2Instance): The instance to unregister. """ self._cnx.deregister_instances(self.name, [instance.id]) def is_instance_registered(self, instance): """Return whether an instance is registered. Args: instance (fabazon.ec2.EC2Instance): The instance to check. Returns: bool: ``True`` if the instance is registered on the load balancer. ``False`` if it's not registered. """ health_info = self._get_instance_health_info(instance) return (health_info.description == 'Instance is not currently registered with the LoadBalancer.') def is_instance_healthy(self, instance): """Return whether an instance is healthy. Args: instance (fabazon.ec2.EC2Instance): The instance to check. Returns: bool: ``True`` if the instance is healthy. ``False`` if it's not healthy. """ health_info = self._get_instance_health_info(instance) return health_info.state == 'InService' def _get_instance_health_info(self, instance): """Return health information for an instance. Args: instance (fabazon.ec2.EC2Instance): The instance to check. Returns: dict: Information on the instance's health. """ health_info = self._cnx.describe_instance_health(self.name, [instance.id]) assert len(health_info) == 1 assert health_info[0].instance_id == instance.id return health_info[0]