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 EC2System(WrapanapiAPIBase):
"""EC2 Management System, powered by boto
Wraps the EC2 API and mimics the behavior of other implementors of
MgmtServiceAPIBase for us in VM control testing
Instead of username and password, accepts access_key_id and
secret_access_key, the AWS analogs to those ideas. These are passed, along
with any kwargs, straight through to boto's EC2 connection factory. This
allows customization of the EC2 connection, to connect to another region,
for example.
For the purposes of the EC2 system, a VM's instance ID is its name because
EC2 instances don't have to have unique names.
Args:
*kwargs: Arguments to connect, usually, username, password, region.
Returns: A :py:class:`EC2System` object.
"""
_stats_available = {
'num_vm': lambda self: len(self.list_vm()),
'num_template': lambda self: len(self.list_template()),
}
states = {
'running': ('running', ),
'stopped': ('stopped', 'terminated'),
'suspended': (),
'deleted': ('terminated', ),
}
can_suspend = False
def __init__(self, **kwargs):
super(EC2System, self).__init__(kwargs)
username = kwargs.get('username')
password = kwargs.get('password')
regionname = kwargs.get('region')
region = get_region(kwargs.get('region'))
self.api = EC2Connection(username, password, region=region)
self.sqs_connection = connection.SQSConnection(
username,
password,
region=_regions(regionmodule=sqs, regionname=regionname))
self.elb_connection = ELBConnection(username,
password,
region=_regions(
regionmodule=elb,
regionname=regionname))
self.s3_connection = boto3.resource(
's3',
aws_access_key_id=username,
aws_secret_access_key=password,
region_name=regionname,
config=Config(signature_version='s3v4'))
self.ec2_connection = boto3.client(
'ec2',
aws_access_key_id=username,
aws_secret_access_key=password,
region_name=regionname,
config=Config(signature_version='s3v4'))
self.stackapi = CloudFormationConnection(
username,
password,
region=_regions(regionmodule=cloudformation,
regionname=regionname))
self.sns_connection = boto3.client('sns', region_name=regionname)
self.kwargs = kwargs
def disconnect(self):
"""Disconnect from the EC2 API -- NOOP
AWS EC2 service is stateless, so there's nothing to disconnect from
"""
pass
def info(self):
"""Returns the current versions of boto and the EC2 API being used"""
return '%s %s' % (boto.UserAgent, self.api.APIVersion)
def list_vm(self, include_terminated=True):
"""Returns a list from instance IDs currently active on EC2 (not terminated)"""
instances = None
if include_terminated:
instances = [inst for inst in self._get_all_instances()]
else:
instances = [
inst for inst in self._get_all_instances()
if inst.state != 'terminated'
]
return [i.tags.get('Name', i.id) for i in instances]
def list_template(self):
private_images = self.api.get_all_images(
owners=['self'], filters={'image-type': 'machine'})
shared_images = self.api.get_all_images(
executable_by=['self'], filters={'image-type': 'machine'})
combined_images = list(set(private_images) | set(shared_images))
# Try to pull the image name (might not exist), falling back on ID (must exist)
return map(lambda i: i.name or i.id, combined_images)
def list_flavor(self):
raise NotImplementedError(
'This function is not supported on this platform.')
def vm_status(self, instance_id):
"""Returns the status of the requested instance
Args:
instance_id: ID of the instance to inspect
Returns: Instance status.
See this `page <http://docs.aws.amazon.com/AWSEC2/latest/APIReference/
ApiReference-ItemType-InstanceStateType.html>`_ for possible return values.
"""
instance = self._get_instance(instance_id)
return instance.state
def vm_type(self, instance_id):
"""Returns the instance type of the requested instance
e.g. m1.medium, m3.medium etc..
Args:
instance_id: ID of the instance to inspect
Returns: Instance type.
"""
instance = self._get_instance(instance_id)
return instance.instance_type
def vm_creation_time(self, instance_id):
instance = self._get_instance(instance_id)
# Example instance.launch_time: 2014-08-13T22:09:40.000Z
launch_time = datetime.strptime(instance.launch_time,
'%Y-%m-%dT%H:%M:%S.%fZ')
# use replace here to make tz-aware. python doesn't handle single 'Z' as UTC
return launch_time.replace(tzinfo=pytz.UTC)
def create_vm(self,
image_id,
min_count=1,
max_count=1,
instance_type='t1.micro',
vm_name=''):
"""
Creates aws instances.
TODO:
Check whether instances were really created.
Add additional arguments to be able to modify settings for instance creation.
Args:
image_id: ID of AMI
min_count: Minimal count of instances - useful only if creating thousand of instances
max_count: Maximal count of instances - defaults to 1
instance_type: Type of instances, catalog of instance types is here:
https://aws.amazon.com/ec2/instance-types/
Defaults to 't1.micro' which is the least expensive instance type
vm_name: Name of instances, can be blank
Returns:
List of created aws instances' IDs.
"""
self.logger.info(
" Creating instances[%d] with name %s,type %s and image ID: %s ",
max_count, vm_name, instance_type, image_id)
try:
result = self.ec2_connection.run_instances(
ImageId=image_id,
MinCount=min_count,
MaxCount=max_count,
InstanceType=instance_type,
TagSpecifications=[
{
'ResourceType': 'instance',
'Tags': [
{
'Key': 'Name',
'Value': vm_name,
},
]
},
])
instances = result.get('Instances')
instance_ids = []
for instance in instances:
instance_ids.append(instance.get('InstanceId'))
return instance_ids
except Exception:
self.logger.exception(
"Create of {} instance failed.".format(vm_name))
return None
def delete_vm(self, instance_id):
"""Deletes the an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
"""
self.logger.info(" Terminating EC2 instance %s" % instance_id)
instance_id = self._get_instance_id_by_name(instance_id)
try:
self.api.terminate_instances([instance_id])
self._block_until(instance_id, self.states['deleted'])
return True
except ActionTimedOutError:
return False
def describe_stack(self, stack_name):
"""Describe stackapi
Returns the description for the specified stack
Args:
stack_name: Unique name of stack
"""
result = []
stacks = self.stackapi.describe_stacks(stack_name)
result.extend(stacks)
return result
def stack_exist(self, stack_name):
stacks = [
stack for stack in self.describe_stack(stack_name)
if stack.stack_name == stack_name
]
if stacks:
return bool(stacks)
def delete_stack(self, stack_name):
"""Deletes stack
Args:
stack_name: Unique name of stack
"""
self.logger.info(" Terminating EC2 stack {}".format(stack_name))
try:
self.stackapi.delete_stack(stack_name)
return True
except ActionTimedOutError:
return False
def start_vm(self, instance_id):
"""Start an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
"""
self.logger.info(" Starting EC2 instance %s" % instance_id)
instance_id = self._get_instance_id_by_name(instance_id)
try:
self.api.start_instances([instance_id])
self._block_until(instance_id, self.states['running'])
return True
except ActionTimedOutError:
return False
def stop_vm(self, instance_id):
"""Stop an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
"""
self.logger.info(" Stopping EC2 instance %s" % instance_id)
instance_id = self._get_instance_id_by_name(instance_id)
try:
self.api.stop_instances([instance_id])
self._block_until(instance_id, self.states['stopped'], timeout=360)
return True
except ActionTimedOutError:
return False
def restart_vm(self, instance_id):
"""Restart an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
The action is taken in two separate calls to EC2. A 'False' return can
indicate a failure of either the stop action or the start action.
Note: There is a reboot_instances call available on the API, but it provides
less insight than blocking on stop_vm and start_vm. Furthermore,
there is no "rebooting" state, so there are potential monitoring
issues that are avoided by completing these steps atomically
"""
self.logger.info(" Restarting EC2 instance %s" % instance_id)
return self.stop_vm(instance_id) and self.start_vm(instance_id)
def is_vm_state(self, instance_id, state):
return self.vm_status(instance_id) in state
def is_vm_running(self, instance_id):
"""Is the VM running?
Args:
instance_id: ID of the instance to inspect
Returns: Whether or not the requested instance is running
"""
try:
running = self.vm_status(instance_id) in self.states['running']
return running
except:
return False
def wait_vm_running(self, instance_id, num_sec=360):
self.logger.info(
" Waiting for EC2 instance %s to change status to running" %
instance_id)
wait_for(self.is_vm_running, [instance_id], num_sec=num_sec)
def is_vm_stopped(self, instance_id):
"""Is the VM stopped?
Args:
instance_id: ID of the instance to inspect
Returns: Whether or not the requested instance is stopped
"""
return self.vm_status(instance_id) in self.states['stopped']
def wait_vm_stopped(self, instance_id, num_sec=360):
self.logger.info(
" Waiting for EC2 instance %s to change status to stopped or terminated"
% instance_id)
wait_for(self.is_vm_stopped, [instance_id], num_sec=num_sec)
def suspend_vm(self, instance_id):
"""Suspend a VM: Unsupported by EC2
Args:
instance_id: ID of the instance to act on
Raises:
ActionNotSupported: The action is not supported on the system
"""
raise ActionNotSupported()
def is_vm_suspended(self, instance_id):
"""Is the VM suspended? We'll never know because EC2 don't support this.
Args:
instance_id: ID of the instance to inspect
Raises:
ActionNotSupported: The action is not supported on the system
"""
raise ActionNotSupported()
def wait_vm_suspended(self, instance_id, num_sec):
"""We would wait forever - EC2 doesn't support this.
Args:
instance_id: ID of the instance to wait for
Raises:
ActionNotSupported: The action is not supported on the system
"""
raise ActionNotSupported()
def clone_vm(self, source_name, vm_name):
raise NotImplementedError(
'This function has not yet been implemented.')
def deploy_template(self, template, *args, **kwargs):
"""Instantiate the requested template image (ami id)
Accepts args/kwargs from boto's
:py:meth:`run_instances<boto:boto.ec2.connection.EC2Connection.run_instances>` method
Most important args are listed below.
Args:
template: Template name (AMI ID) to instantiate
vm_name: Name of the instance (Name tag to set)
instance_type: Type (flavor) of the instance
Returns: Instance ID of the created instance
Note: min_count and max_count args will be forced to '1'; if you're trying to do
anything fancier than that, you might be in the wrong place
"""
# Enforce create_vm only creating one VM
self.logger.info(" Deploying EC2 template %s" % template)
# strip out kwargs that ec2 doesn't understand
timeout = kwargs.pop('timeout', 900)
vm_name = kwargs.pop('vm_name', None)
power_on = kwargs.pop('power_on', True)
# Make sure we only provision one VM
kwargs.update({'min_count': 1, 'max_count': 1})
# sanity-check inputs
if 'instance_type' not in kwargs:
kwargs['instance_type'] = 'm1.small'
if not template.startswith('ami'):
# assume this is a lookup by name, get the ami id
template = self._get_ami_id_by_name(template)
# clone!
reservation = self.api.run_instances(template, *args, **kwargs)
instances = self._get_instances_from_reservations([reservation])
# Should have only made one VM; return its ID for use in other methods
self.wait_vm_running(instances[0].id, num_sec=timeout)
if vm_name:
self.set_name(instances[0].id, vm_name)
if power_on:
self.start_vm(instances[0].id)
return instances[0].id
def set_name(self, instance_id, new_name):
self.logger.info("Setting name of EC2 instance %s to %s" %
(instance_id, new_name))
instance = self._get_instance(instance_id)
instance.add_tag('Name', new_name)
return new_name
def get_name(self, instance_id):
return self._get_instance(instance_id).tags.get('Name', instance_id)
def _get_instance(self, instance_id):
instance_id = self._get_instance_id_by_name(instance_id)
reservations = self.api.get_all_instances([instance_id])
instances = self._get_instances_from_reservations(reservations)
if len(instances) > 1:
raise MultipleInstancesError
try:
return instances[0]
except KeyError:
return None
def current_ip_address(self, instance_id):
return str(self._get_instance(instance_id).ip_address)
def get_ip_address(self, instance_id, **kwargs):
return self.current_ip_address(instance_id)
def _get_instance_id_by_name(self, instance_name):
# Quick validation that the instance name isn't actually an ID
# If people start naming their instances in such a way to break this,
# check, that would be silly, but we can upgrade to regex if necessary.
pattern = re.compile('^i-\w{8,17}$')
if pattern.match(instance_name):
return instance_name
# Filter by the 'Name' tag
filters = {
'tag:Name': instance_name,
}
reservations = self.api.get_all_instances(filters=filters)
instances = self._get_instances_from_reservations(reservations)
if not instances:
raise VMInstanceNotFound(instance_name)
elif len(instances) > 1:
raise MultipleInstancesError('Instance name "%s" is not unique' %
instance_name)
# We have an instance! return its ID
return instances[0].id
def _get_ami_id_by_name(self, image_name):
matches = self.api.get_all_images(filters={'name': image_name})
if not matches:
raise ImageNotFoundError(image_name)
elif len(matches) > 1:
raise MultipleImagesError(
'Template name %s returned more than one image_name. '
'Use the ami-ID or remove duplicates from EC2' % image_name)
return matches[0].id
def does_vm_exist(self, name):
try:
self._get_instance_id_by_name(name)
return True
except MultipleInstancesError:
return True
except VMInstanceNotFound:
return False
def _get_instances_from_reservations(self, reservations):
"""Takes a sequence of reservations and returns their instances"""
instances = list()
for reservation in reservations:
for instance in reservation.instances:
instances.append(instance)
return instances
def _get_all_instances(self):
"""Gets all instances that EC2 can see"""
reservations = self.api.get_all_instances()
instances = self._get_instances_from_reservations(reservations)
return instances
def _block_until(self, instance_id, expected, timeout=90):
"""Blocks until the given instance is in one of the expected states
Takes an optional timeout value.
"""
wait_for(lambda: self.vm_status(instance_id) in expected,
num_sec=timeout)
def remove_host_from_cluster(self, hostname):
raise NotImplementedError('remove_host_from_cluster not implemented')
def create_s3_bucket(self, bucket_name):
self.logger.info("Creating bucket: {}".format(bucket_name))
try:
self.s3_connection.create_bucket(Bucket=bucket_name,
CreateBucketConfiguration={
'LocationConstraint':
self.kwargs.get('region')
})
self.logger.info("Success: Bucket was successfully created.")
return True
except Exception:
self.logger.exception(
"Error: Bucket was not successfully created.")
return False
def upload_file_to_s3_bucket(self, bucket_name, file_path, file_name):
bucket = self.s3_connection.Bucket(bucket_name)
self.logger.info("uploading file {} to bucket: {}".format(
file_path, bucket_name))
if os.path.isfile(file_path):
try:
bucket.upload_file(file_path, file_name)
self.logger.info("Success: uploading file completed")
return True
except Exception:
self.logger.exception("File upload failed.")
return False
else:
self.logger.error("Error: File to upload does not exist.")
return False
def object_exists_in_bucket(self, bucket_name, object_key):
bucket = self.s3_connection.Bucket(name=bucket_name)
objects = [o for o in bucket.objects.all() if o.key == object_key]
return any(objects)
def delete_s3_bucket(self, bucket_name):
"""TODO: Force delete - delete all objects and then bucket"""
bucket = self.s3_connection.Bucket(bucket_name)
self.logger.info("Trying to delete bucket {}".format(bucket_name))
try:
bucket.delete()
self.logger.info(
"Success: bucket {} was deleted.".format(bucket_name))
return True
except Exception:
self.logger.exception(
"Bucket {} deletion failed".format(bucket_name))
return False
def delete_objects_from_s3_bucket(self, bucket_name, object_keys):
"""Delete each of the given object_keys from the given bucket"""
if not isinstance(object_keys, list):
raise ValueError(
"object_keys argument must be a list of key strings")
bucket = self.s3_connection.Bucket(name=bucket_name)
try:
bucket.delete_objects(Delete={
'Objects': [{
'Key': object_key
} for object_key in object_keys]
})
return True
except Exception:
self.logger.exception(
'Deleting object keys {} from Bucket "{}" failed'.format(
object_keys, bucket_name))
return False
def get_all_disassociated_addresses(self):
return [
addr for addr in self.api.get_all_addresses()
if not addr.instance_id and not addr.network_interface_id
]
def release_vpc_address(self, alloc_id):
self.logger.info(" Releasing EC2 VPC EIP {}".format(str(alloc_id)))
try:
self.api.release_address(allocation_id=alloc_id)
return True
except ActionTimedOutError:
return False
def release_address(self, address):
self.logger.info(" Releasing EC2-CLASSIC EIP {}".format(address))
try:
self.api.release_address(public_ip=address)
return True
except ActionTimedOutError:
return False
def get_all_unattached_volumes(self):
return [
volume for volume in self.api.get_all_volumes()
if not volume.attach_data.status
]
def delete_sqs_queue(self, queue_name):
self.logger.info(" Deleting SQS queue {}".format(queue_name))
try:
queue = self.sqs_connection.get_queue(queue_name=queue_name)
if queue:
self.sqs_connection.delete_queue(queue=queue)
return True
else:
return False
except ActionTimedOutError:
return False
def get_all_unused_loadbalancers(self):
return [
loadbalancer
for loadbalancer in self.elb_connection.get_all_load_balancers()
if not loadbalancer.instances
]
def delete_loadbalancer(self, loadbalancer):
self.logger.info(" Deleting Elastic Load Balancer {}".format(
loadbalancer.name))
try:
self.elb_connection.delete_load_balancer(loadbalancer.name)
return True
except ActionTimedOutError:
return False
def get_all_unused_network_interfaces(self):
return [
eni for eni in self.api.get_all_network_interfaces()
if eni.status == "available"
]
def import_image(self, s3bucket, s3key, format="vhd", description=None):
self.logger.info(
" Importing image %s from %s bucket with description %s in %s started "
"successfully.", s3key, s3bucket, description, format)
try:
result = self.ec2_connection.import_image(DiskContainers=[{
'Description':
description if description is not None else s3key,
'Format':
format,
'UserBucket': {
'S3Bucket': s3bucket,
'S3Key': s3key
}
}])
task_id = result.get("ImportTaskId")
return task_id
except Exception:
self.logger.exception("Import of {} image failed.".format(s3key))
return False
def get_import_image_task(self, task_id):
result = self.ec2_connection.describe_import_image_tasks(
ImportTaskIds=[task_id])
result_task = result.get("ImportImageTasks")
return result_task[0]
def get_image_id_if_import_completed(self, task_id):
result = self.get_import_image_task(task_id)
result_status = result.get("Status")
if result_status == 'completed':
return result.get("ImageId")
else:
return False
def copy_image(self, source_region, source_image, image_id):
self.logger.info(
" Copying image %s from region %s to region %s with image id %s",
source_image, source_region, self.kwargs.get('region'), image_id)
try:
self.ec2_connection.copy_image(SourceRegion=source_region,
SourceImageId=source_image,
Name=image_id)
return True
except Exception:
self.logger.exception(
"Copy of {} image failed.".format(source_image))
return False
def deregister_image(self, image_id, delete_snapshot=True):
"""Deregister the given AMI ID, only valid for self owned AMI's"""
images = self.api.get_all_images(owners=['self'],
filters={'image-type': 'machine'})
matching_images = [image for image in images if image.id == image_id]
try:
for image in matching_images:
image.deregister(delete_snapshot=delete_snapshot)
return True
except Exception:
self.logger.exception(
'Deregister of image_id {} failed'.format(image_id))
return False
def list_topics(self):
return self.sns_connection.list_topics()
def get_arn_if_topic_exists(self, topic_name):
topics = self.list_topics()
# There is no way to get topic_name, so it
# has to be parsed from ARN, which looks
# like this: arn:aws:sns:sa-east-1:ACCOUNT_NUM:AWSConfig_topic
topic_found = [
t.get('TopicArn') for t in topics.get('Topics')
if t.get('TopicArn').split(':')[-1] == topic_name
]
if topic_found:
return topic_found[0]
else:
return False
def delete_topic(self, arn):
self.logger.info(" Deleting SNS Topic {} ".format(arn))
try:
self.sns_connection.delete_topic(TopicArn=arn)
return True
except Exception:
self.logger.exception("Delete of {} topic failed.".format(arn))
return False
def volume_exists_and_available(self, volume_name=None, volume_id=None):
"""
Method for checking existence and availability state for volume
Args:
volume_name: Name of volume, if not set volume_id must be set
volume_id: ID of volume in format vol-random_chars, if not set volume_name must be set
Returns:
True if volume exists and is available.
False if volume doesn't exist or is not available.
"""
if volume_id:
try:
response = self.ec2_connection.describe_volumes(
VolumeIds=[volume_id],
Filters=[{
'Name': 'status',
'Values': ['available']
}])
if response.get('Volumes'):
return True
else:
return False
except Exception:
return False
elif volume_name:
response = self.ec2_connection.describe_volumes(
Filters=[{
'Name': 'status',
'Values': ['available']
}, {
'Name': 'tag:Name',
'Values': [volume_name]
}])
if response.get('Volumes'):
return True
else:
return False
else:
raise TypeError(
"Neither volume_name nor volume_id were specified.")
def snapshot_exists(self, snapshot_name=None, snapshot_id=None):
"""
Method for checking existence of snapshot.
Args:
snapshot_name: Name of snapshot, if not set snapshot_id must be set.
snapshot_id: Id of snapshot in format snap-random_chars, if not set snapshot_name
must be set.
Returns:
True if snapshot exists.
False if snapshot doesn't exist.
"""
if snapshot_id:
try:
response = self.ec2_connection.describe_snapshots(
SnapshotIds=[snapshot_id])
if response.get('Snapshots'):
return True
else:
return False
except Exception:
return False
elif snapshot_name:
response = self.ec2_connection.describe_snapshots(
Filters=[{
'Name': 'tag:Name',
'Values': [snapshot_name]
}])
if response.get('Snapshots'):
return True
else:
return False
else:
raise TypeError(
"Neither snapshot_name nor snapshot_id were specified.")
def copy_snapshot(self, source_snapshot_id, source_region=None):
"""
This method is not working properly because of bug in boto3.
It creates new snapshot with empty size and error.
Args:
source_snapshot_id: Id of source snapshot in format snap-random_chars
source_region: Source region, if not set then ec2_connection region
Returns:
True when snapshot copy started successfully.
False when snapshot copy didn't start.
"""
if not source_region:
source_region = self.kwargs.get('region')
try:
self.ec2_connection.copy_snapshot(
SourceRegion=source_region,
SourceSnapshotId=source_snapshot_id,
DestinationRegion=source_region)
return True
except Exception:
self.logger.exception(
"Copy snapshot with id {} failed.".format(source_snapshot_id))
return False
class MSBManager:
def __init__(self, aws_access_key, aws_secret_key):
self.ec2_conn = EC2Connection(aws_access_key, aws_secret_key)
self.elb_conn = ELBConnection(aws_access_key, aws_secret_key)
self.auto_scale_conn = AutoScaleConnection(aws_access_key, aws_secret_key)
self.cloud_watch_conn = CloudWatchConnection(aws_access_key, aws_secret_key)
self.default_cooldown = 60
def get_security_group(self, name):
sgs = [g for g in self.ec2_conn.get_all_security_groups() if g.name == name]
return sgs[0] if sgs else None
def create_security_group(self, name, description):
sgs = [g for g in self.ec2_conn.get_all_security_groups() if g.name == name]
sg = sgs[0] if sgs else None
if not sgs:
sg = self.ec2_conn.create_security_group(name, description)
try:
sg.authorize(ip_protocol="-1", from_port=None, to_port=None, cidr_ip="0.0.0.0/0", dry_run=False)
except EC2ResponseError:
pass
return sg
def remove_security_group(self, name):
self.ec2_conn.delete_security_group(name=name)
def create_instance(self, image, instance_type, key_name, zone, security_groups, tags):
instance = None
reservations = self.ec2_conn.get_all_instances()
for reservation in reservations:
for i in reservation.instances:
if "Name" in i.tags and i.tags["Name"] == tags["Name"] and i.state == "running":
instance = i
break
if not instance:
reservation = self.ec2_conn.run_instances(
image,
instance_type=instance_type,
key_name=key_name,
placement=zone,
security_groups=security_groups,
monitoring_enabled=True,
)
instance = reservation.instances[0]
while not instance.update() == "running":
time.sleep(5)
time.sleep(10)
self.ec2_conn.create_tags([instance.id], tags)
return instance
def request_spot_instance(self, bid, image, instance_type, key_name, zone, security_groups, tags):
req = self.ec2_conn.request_spot_instances(
price=bid,
instance_type=instance_type,
image_id=image,
placement=zone,
key_name=key_name,
security_groups=security_groups,
)
instance_id = None
while not instance_id:
job_sir_id = req[0].id
requests = self.ec2_conn.get_all_spot_instance_requests()
for sir in requests:
if sir.id == job_sir_id:
instance_id = sir.instance_id
break
print "Job {} not ready".format(job_sir_id)
time.sleep(60)
self.ec2_conn.create_tags([instance_id], tags)
def remove_instance(self, instance_id):
self.remove_instances([instance_id])
def remove_instances(self, instance_ids):
self.ec2_conn.terminate_instances(instance_ids)
def remove_instance_by_tag_name(self, name):
reservations = self.ec2_conn.get_all_instances()
data_centers_intance_ids = []
for reservation in reservations:
for instance in reservation.instances:
if "Name" in instance.tags and instance.tags["Name"] == name and instance.state == "running":
data_centers_intance_ids.append(instance.id)
if data_centers_intance_ids:
self.remove_instances(data_centers_intance_ids)
def create_elb(self, name, zone, project_tag_value, security_group_id, instance_ids=None):
lbs = [l for l in self.elb_conn.get_all_load_balancers() if l.name == name]
lb = lbs[0] if lbs else None
if not lb:
hc = HealthCheck(
timeout=50, interval=60, healthy_threshold=2, unhealthy_threshold=8, target="HTTP:80/heartbeat"
)
ports = [(80, 80, "http")]
zones = [zone]
lb = self.elb_conn.create_load_balancer(name, zones, ports)
self.elb_conn.apply_security_groups_to_lb(name, [security_group_id])
lb.configure_health_check(hc)
if instance_ids:
lb.register_instances(instance_ids)
params = {
"LoadBalancerNames.member.1": lb.name,
"Tags.member.1.Key": "15619project",
"Tags.member.1.Value": project_tag_value,
}
lb.connection.get_status("AddTags", params, verb="POST")
return lb
def remove_elb(self, name):
self.elb_conn.delete_load_balancer(name)
def create_launch_configuration(self, name, image, key_name, security_groups, instance_type):
lcs = [l for l in self.auto_scale_conn.get_all_launch_configurations() if l.name == name]
lc = lcs[0] if lcs else None
if not lc:
lc = LaunchConfiguration(
name=name,
image_id=image,
key_name=key_name,
security_groups=[security_groups],
instance_type=instance_type,
)
self.auto_scale_conn.create_launch_configuration(lc)
return lc
def remove_launch_configuration(self, name):
self.auto_scale_conn.delete_launch_configuration(name)
def create_autoscaling_group(self, name, lb_name, zone, tags, instance_ids=None):
lc = self.create_launch_configuration()
as_groups = [a for a in self.auto_scale_conn.get_all_groups() if a.name == name]
as_group = as_groups[0] if as_groups else None
if not as_group:
as_group = AutoScalingGroup(
group_name=name,
load_balancers=[lb_name],
availability_zones=[zone],
launch_config=lc,
min_size=4,
max_size=4,
health_check_type="ELB",
health_check_period=120,
connection=self.auto_scale_conn,
default_cooldown=self.default_cooldown,
desired_capacity=4,
tags=tags,
)
self.auto_scale_conn.create_auto_scaling_group(as_group)
if instance_ids:
self.auto_scale_conn.attach_instances(name, instance_ids)
scale_up_policy = ScalingPolicy(
name="scale_up",
adjustment_type="ChangeInCapacity",
as_name=name,
scaling_adjustment=1,
cooldown=self.default_cooldown,
)
scale_down_policy = ScalingPolicy(
name="scale_down",
adjustment_type="ChangeInCapacity",
as_name=name,
scaling_adjustment=-1,
cooldown=self.default_cooldown,
)
self.auto_scale_conn.create_scaling_policy(scale_up_policy)
self.auto_scale_conn.create_scaling_policy(scale_down_policy)
scale_up_policy = self.auto_scale_conn.get_all_policies(as_group=name, policy_names=["scale_up"])[0]
scale_down_policy = self.auto_scale_conn.get_all_policies(as_group=name, policy_names=["scale_down"])[0]
alarm_dimensions = {"AutoScalingGroupName": name}
scale_up_alarm = MetricAlarm(
name="scale_up_on_cpu",
namespace="AWS/EC2",
metric="CPUUtilization",
statistic="Average",
comparison=">",
threshold=85,
period=60,
evaluation_periods=1,
alarm_actions=[scale_up_policy.policy_arn],
dimensions=alarm_dimensions,
)
self.cloud_watch_conn.create_alarm(scale_up_alarm)
scale_down_alarm = MetricAlarm(
name="scale_down_on_cpu",
namespace="AWS/EC2",
metric="CPUUtilization",
statistic="Average",
comparison="<",
threshold=60,
period=60,
evaluation_periods=1,
alarm_actions=[scale_down_policy.policy_arn],
dimensions=alarm_dimensions,
)
self.cloud_watch_conn.create_alarm(scale_down_alarm)
return as_group
def update_autoscaling_group_max_size(self, as_group, max_size):
setattr(as_group, "max_size", max_size)
as_group.update()
def update_autoscaling_group_min_size(self, as_group, min_size):
setattr(as_group, "min_size", min_size)
as_group.update()
def remove_autoscaling_group(self, name):
self.auto_scale_conn.delete_auto_scaling_group(name)
class EC2System(System, VmMixin, TemplateMixin, StackMixin):
"""EC2 Management System, powered by boto
Wraps the EC2 API
Instead of username and password, accepts access_key_id and
secret_access_key, the AWS analogs to those ideas. These are passed, along
with any kwargs, straight through to boto's EC2 connection factory. This
allows customization of the EC2 connection, to connect to another region,
for example.
For the purposes of the EC2 system, a VM's instance ID is its name because
EC2 instances don't have to have unique names.
Args:
*kwargs: Arguments to connect, usually, username, password, region.
Returns: A :py:class:`EC2System` object.
"""
_stats_available = {
'num_vm': lambda self: len(self.list_vms(hide_deleted=False)),
'num_template': lambda self: len(self.list_templates()),
}
can_suspend = False
can_pause = False
def __init__(self, **kwargs):
super(EC2System, self).__init__(**kwargs)
self._username = kwargs.get('username')
self._password = kwargs.get('password')
connection_config = Config(signature_version='s3v4',
retries=dict(max_attempts=10))
self._region_name = kwargs.get('region')
self._region = get_region(self._region_name)
self.api = EC2Connection(self._username,
self._password,
region=self._region)
self.sqs_connection = _sqs_connection.SQSConnection(
self._username,
self._password,
region=_regions(regionmodule=sqs, regionname=self._region_name))
self.elb_connection = ELBConnection(self._username,
self._password,
region=_regions(
regionmodule=elb,
regionname=self._region_name))
self.s3_connection = boto3resource(
's3',
aws_access_key_id=self._username,
aws_secret_access_key=self._password,
region_name=self._region_name,
config=connection_config)
self.ec2_connection = boto3client('ec2',
aws_access_key_id=self._username,
aws_secret_access_key=self._password,
region_name=self._region_name,
config=connection_config)
self.cloudformation_connection = boto3client(
'cloudformation',
aws_access_key_id=self._username,
aws_secret_access_key=self._password,
region_name=self._region_name,
config=connection_config)
self.sns_connection = boto3client('sns', region_name=self._region_name)
self.kwargs = kwargs
@property
def _identifying_attrs(self):
return {
'username': self._username,
'password': self._password,
'region': self._region_name
}
@property
def can_suspend(self):
return False
@property
def can_pause(self):
return False
def disconnect(self):
"""Disconnect from the EC2 API -- NOOP
AWS EC2 service is stateless, so there's nothing to disconnect from
"""
pass
def info(self):
"""Returns the current versions of boto and the EC2 API being used"""
return '%s %s' % (UserAgent, self.api.APIVersion)
def _get_instances(self, **kwargs):
"""
Gets instance reservations and parses instance objects
"""
reservations = self.api.get_all_instances(**kwargs)
instances = list()
for reservation in reservations:
for instance in reservation.instances:
instances.append(EC2Instance(system=self, raw=instance))
return instances
@staticmethod
def _add_filter_for_terminated(kwargs_dict):
new_filter = {
'instance-state-name': [
api_state
for api_state, vm_state in EC2Instance.state_map.items()
if vm_state is not VmState.DELETED
]
}
if 'filters' not in kwargs_dict:
kwargs_dict['filters'] = new_filter
else:
kwargs_dict['filters'].update(new_filter)
return kwargs_dict
def find_vms(self, name=None, id=None, filters=None, hide_deleted=True):
"""
Find instance on ec2 system
Supported queries include searching by name tag, id, or passing
in a specific filters dict to the system API. You can only
select one of these methods.
Args:
name (str): name of instance (which is a tag)
id (str): id of instance
filters (dict): filters to pass along to system.api.get_all_instances()
hide_deleted: do not list an instance if it has been terminated
Returns:
List of EC2Instance objects that match
"""
# Validate args
filled_args = [arg for arg in (
name,
id,
filters,
) if arg]
if not filled_args or len(filled_args) > 1:
raise ValueError(
"You must select one of these search methods: name, id, or filters"
)
if id:
kwargs = {'instance_ids': [id]}
elif filters:
kwargs = {'filters': filters}
elif name:
# Quick validation that the instance name isn't actually an ID
pattern = re.compile(r'^i-\w{8,17}$')
if pattern.match(name):
# Switch to using the id search method
kwargs = {'instance_ids': [name]}
else:
kwargs = {'filters': {'tag:Name': name}}
if hide_deleted:
self._add_filter_for_terminated(kwargs)
instances = self._get_instances(**kwargs)
return instances
def get_vm(self, name, hide_deleted=True):
"""
Get a single EC2Instance with name or id equal to 'name'
Must be a unique name
Args:
name: name or id of instance
Returns:
EC2Instance object
Raises:
VMInstanceNotFound if no instance exists with this name/id
MultipleInstancesError if name is not unique
"""
instances = self.find_vms(name=name, hide_deleted=hide_deleted)
if not instances:
raise VMInstanceNotFound(name)
elif len(instances) > 1:
raise MultipleInstancesError('Instance name "%s" is not unique' %
name)
return instances[0]
def list_vms(self, hide_deleted=True):
"""
Returns a list of instances currently active on EC2 (not terminated)
"""
kwargs = {}
if hide_deleted:
self._add_filter_for_terminated(kwargs)
return [inst for inst in self._get_instances(**kwargs)]
def create_vm(self,
image_id,
min_count=1,
max_count=1,
instance_type='t1.micro',
vm_name='',
**kwargs):
"""
Creates aws instances.
TODO:
Check whether instances were really created.
Add additional arguments to be able to modify settings for instance creation.
Args:
image_id: ID of AMI
min_count: Minimal count of instances - useful only if creating thousand of instances
max_count: Maximal count of instances - defaults to 1
instance_type: Type of instances, catalog of instance types is here:
https://aws.amazon.com/ec2/instance-types/
Defaults to 't1.micro' which is the least expensive instance type
vm_name: Name of instances, can be blank
Returns:
List of EC2Instance objects for all instances created
"""
self.logger.debug("ec2.create_vm() -- Ignored kwargs: %s", kwargs)
self.logger.info(
"Creating instances[%d] with name %s,type %s and image ID: %s ",
max_count, vm_name, instance_type, image_id)
try:
result = self.ec2_connection.run_instances(
ImageId=image_id,
MinCount=min_count,
MaxCount=max_count,
InstanceType=instance_type,
TagSpecifications=[
{
'ResourceType': 'instance',
'Tags': [
{
'Key': 'Name',
'Value': vm_name,
},
]
},
])
except Exception:
self.logger.exception("Create of instance '%s' failed.", vm_name)
raise
try:
instances_json = result['Instances']
instance_ids = [entry['InstanceId'] for entry in instances_json]
except KeyError:
self.logger.exception(
"Unable to parse all InstanceId's from response json")
raise
instances = [
EC2Instance(system=self, uuid=uuid) for uuid in instance_ids
]
for instance in instances:
self.logger.info("Waiting for instance '%s' to reach steady state",
instance.uuid)
instance.wait_for_steady_state()
if len(instances) == 1:
return instances[0]
else:
return instances
def list_stacks(self, stack_status_filter=StackStates.ACTIVE):
"""
Returns a list of Stack objects
stack_status_filter: list of stack statuses to filter for. See ``StackStates``
"""
stack_list = [
CloudFormationStack(system=self, uuid=stack_summary['StackId'])
for stack_summary in self.cloudformation_connection.list_stacks()
['StackSummaries']
if stack_summary['StackStatus'] in stack_status_filter
]
return stack_list
def find_stacks(self, name=None, id=None):
"""
Return list of all stacks with given name or id
According to boto3 docs, you can use name or ID in these situations:
"Running stacks: You can specify either the stack's name or its unique stack ID.
Deleted stacks: You must specify the unique stack ID."
If 'name' kwarg is given and we fail to locate the stack initially, we will retry with
'list_stacks' to get the list of all stacks with this name (even if they are deleted)
If 'id' kwarg is given and we hit an error finding it, we don't call list_stacks. This
is the more efficient kwarg to use if you are searching specifically by id.
Args:
name: name to search for
id: id to search for
Returns:
List of CloudFormationStack objects
"""
if not name and not id:
raise ValueError('missing one of required kwargs: name, id')
if name:
searching_by_name = True
name_or_id = name
elif id:
searching_by_name = False
name_or_id = id
stack_list = []
try:
# Try to find by name/id directly by using describe_stacks
stack_list = [
CloudFormationStack(system=self,
uuid=stack['StackId'],
raw=stack)
for stack in self.cloudformation_connection.describe_stacks(
StackName=name_or_id)['Stacks']
]
except ClientError as error:
# Stack not found, if searching by name, look through deleted stacks...
if searching_by_name and 'Stack with id {} does not exist'.format(
name) in str(error):
stack_list = [
CloudFormationStack(system=self,
uuid=stack_summary['StackId'])
for stack_summary in self.cloudformation_connection.
list_stacks()['StackSummaries']
if stack_summary['StackName'] == name
]
return stack_list
def get_stack(self, name):
"""
Get single stack if it exists
Args:
name: unique name or id of the stack
Returns:
CloudFormationStack object
"""
stacks = self.find_stacks(name)
if not stacks:
raise NotFoundError("Stack with name {} not found".format(name))
elif len(stacks) > 1:
raise MultipleItemsError(
"Multiple stacks with name {} found".format(name))
return stacks[0]
def list_templates(self,
executable_by_me=True,
owned_by_me=True,
public=False):
"""
List images on ec2 of image-type 'machine'
Args:
executable_by_me: search images executable by me (default True)
owned_by_me: search images owned only by me (default True)
public: search public images (default False)
"""
img_filter = {'image-type': 'machine'}
if not any([public, executable_by_me, owned_by_me]):
raise ValueError(
"One of the following must be 'True': owned_by_me, executable_by_me, public"
)
images = []
if public:
images.extend(self.api.get_all_images(filters=img_filter))
if executable_by_me:
images.extend(
self.api.get_all_images(executable_by=['self'],
filters=img_filter))
if owned_by_me:
images.extend(
self.api.get_all_images(owners=['self'], filters=img_filter))
return [EC2Image(system=self, raw=image) for image in set(images)]
def find_templates(self,
name=None,
id=None,
executable_by_me=True,
owned_by_me=True,
public=False,
filters=None):
"""
Find image on ec2 system
Supported queries include searching by name, id, or passing
in a specific filters dict to the system API. You can only
select one of these methods.
Args:
name (str): name of image
id (str): id of image
filters (dict): filters to pass along to system.api.get_all_images()
executable_by_me: search images executable by me (default True)
owned_by_me: search images owned only by me (default True)
public: search public images (default False)
Returns:
List of EC2Image objects that match
"""
# Validate args
filled_args = [arg for arg in (
name,
id,
filters,
) if arg]
if not filled_args or len(filled_args) > 1:
raise ValueError(
"You must select one of these search methods: name, id, or filters"
)
if id:
kwargs = {'image_ids': [id]}
elif filters:
kwargs = {'filters': filters}
elif name:
# Quick validation that the image name isn't actually an ID
if name.startswith('ami-'):
# Switch to using the id search method
kwargs = {'image_ids': [name]}
else:
kwargs = {'filters': {'name': name}}
if not any([public, executable_by_me, owned_by_me]):
raise ValueError(
"One of the following must be 'True': owned_by_me, executable_by_me, public"
)
images = []
if public:
images.extend(self.api.get_all_images(**kwargs))
if executable_by_me:
images.extend(
self.api.get_all_images(executable_by=['self'], **kwargs))
if owned_by_me:
images.extend(self.api.get_all_images(owners=['self'], **kwargs))
return [EC2Image(system=self, raw=image) for image in set(images)]
def get_template(self, name_or_id):
matches = self.find_templates(name=name_or_id)
if not matches:
raise ImageNotFoundError(
'Unable to find image {}'.format(name_or_id))
elif len(matches) > 1:
raise MultipleImagesError(
'Image name {} returned more than one image '
'Use the ami-ID or remove duplicates from EC2'.format(
name_or_id))
return matches[0]
def create_template(self, *args, **kwargs):
raise NotImplementedError
# TODO: Move everything below here into the entity/class-based structure
def create_s3_bucket(self, bucket_name):
self.logger.info("Creating bucket: '%s'", bucket_name)
try:
self.s3_connection.create_bucket(Bucket=bucket_name,
CreateBucketConfiguration={
'LocationConstraint':
self.kwargs.get('region')
})
self.logger.info("Success: Bucket was successfully created.")
return True
except Exception:
self.logger.exception(
"Error: Bucket was not successfully created.")
return False
def upload_file_to_s3_bucket(self, bucket_name, file_path, file_name):
bucket = self.s3_connection.Bucket(bucket_name)
self.logger.info("uploading file '%s' to bucket: '%s'", file_path,
bucket_name)
if os.path.isfile(file_path):
try:
bucket.upload_file(file_path, file_name)
self.logger.info("Success: uploading file completed")
return True
except Exception:
self.logger.exception("File upload failed.")
return False
else:
self.logger.error("Error: File to upload does not exist.")
return False
def object_exists_in_bucket(self, bucket_name, object_key):
bucket = self.s3_connection.Bucket(name=bucket_name)
objects = [o for o in bucket.objects.all() if o.key == object_key]
return any(objects)
def delete_s3_bucket(self, bucket_name):
"""TODO: Force delete - delete all objects and then bucket"""
bucket = self.s3_connection.Bucket(bucket_name)
self.logger.info("Trying to delete bucket '%s'", bucket_name)
try:
bucket.delete()
self.logger.info("Success: bucket '%s' was deleted.", bucket_name)
return True
except Exception:
self.logger.exception("Bucket '%s' deletion failed", bucket_name)
return False
def delete_objects_from_s3_bucket(self, bucket_name, object_keys):
"""Delete each of the given object_keys from the given bucket"""
if not isinstance(object_keys, list):
raise ValueError(
"object_keys argument must be a list of key strings")
bucket = self.s3_connection.Bucket(name=bucket_name)
try:
bucket.delete_objects(Delete={
'Objects': [{
'Key': object_key
} for object_key in object_keys]
})
return True
except Exception:
self.logger.exception(
"Deleting object keys %s from Bucket '%s' failed", object_keys,
bucket_name)
return False
def get_all_disassociated_addresses(self):
return [
addr for addr in self.api.get_all_addresses()
if not addr.instance_id and not addr.network_interface_id
]
def release_vpc_address(self, alloc_id):
self.logger.info(" Releasing EC2 VPC EIP '%s'", str(alloc_id))
try:
self.api.release_address(allocation_id=alloc_id)
return True
except ActionTimedOutError:
return False
def release_address(self, address):
self.logger.info(" Releasing EC2-CLASSIC EIP '%s'", address)
try:
self.api.release_address(public_ip=address)
return True
except ActionTimedOutError:
return False
def get_all_unattached_volumes(self):
return [
volume for volume in self.api.get_all_volumes()
if not volume.attach_data.status
]
def delete_sqs_queue(self, queue_name):
self.logger.info(" Deleting SQS queue '%s'", queue_name)
try:
queue = self.sqs_connection.get_queue(queue_name=queue_name)
if queue:
self.sqs_connection.delete_queue(queue=queue)
return True
else:
return False
except ActionTimedOutError:
return False
def get_all_unused_loadbalancers(self):
return [
loadbalancer
for loadbalancer in self.elb_connection.get_all_load_balancers()
if not loadbalancer.instances
]
def delete_loadbalancer(self, loadbalancer):
self.logger.info(" Deleting Elastic Load Balancer '%s'",
loadbalancer.name)
try:
self.elb_connection.delete_load_balancer(loadbalancer.name)
return True
except ActionTimedOutError:
return False
def get_all_unused_network_interfaces(self):
return [
eni for eni in self.api.get_all_network_interfaces()
if eni.status == "available"
]
def import_image(self, s3bucket, s3key, format="vhd", description=None):
self.logger.info(
" Importing image %s from %s bucket with description %s in %s started successfully.",
s3key, s3bucket, description, format)
try:
result = self.ec2_connection.import_image(DiskContainers=[{
'Description':
description if description is not None else s3key,
'Format':
format,
'UserBucket': {
'S3Bucket': s3bucket,
'S3Key': s3key
}
}])
task_id = result.get("ImportTaskId")
return task_id
except Exception:
self.logger.exception("Import of image '%s' failed.", s3key)
return False
def copy_image(self, source_region, source_image, image_id):
self.logger.info(
" Copying image %s from region %s to region %s with image id %s",
source_image, source_region, self.kwargs.get('region'), image_id)
try:
copy_image = self.ec2_connection.copy_image(
SourceRegion=source_region,
SourceImageId=source_image,
Name=image_id)
return copy_image.image_id
except Exception:
self.logger.exception("Copy of image '%s' failed.", source_image)
return False
def get_import_image_task(self, task_id):
result = self.ec2_connection.describe_import_image_tasks(
ImportTaskIds=[task_id])
result_task = result.get("ImportImageTasks")
return result_task[0]
def get_image_id_if_import_completed(self, task_id):
result = self.get_import_image_task(task_id)
result_status = result.get("Status")
if result_status == 'completed':
return result.get("ImageId")
else:
return False
def list_topics(self):
return self.sns_connection.list_topics()
def get_arn_if_topic_exists(self, topic_name):
topics = self.list_topics()
# There is no way to get topic_name, so it
# has to be parsed from ARN, which looks
# like this: arn:aws:sns:sa-east-1:ACCOUNT_NUM:AWSConfig_topic
topic_found = [
t.get('TopicArn') for t in topics.get('Topics')
if t.get('TopicArn').split(':')[-1] == topic_name
]
if topic_found:
return topic_found[0]
else:
return False
def delete_topic(self, arn):
self.logger.info(" Deleting SNS Topic '%s'", arn)
try:
self.sns_connection.delete_topic(TopicArn=arn)
return True
except Exception:
self.logger.exception("Delete of topic '%s' failed.", arn)
return False
def volume_exists_and_available(self, volume_name=None, volume_id=None):
"""
Method for checking existence and availability state for volume
Args:
volume_name: Name of volume, if not set volume_id must be set
volume_id: ID of volume in format vol-random_chars, if not set volume_name must be set
Returns:
True if volume exists and is available.
False if volume doesn't exist or is not available.
"""
if volume_id:
try:
response = self.ec2_connection.describe_volumes(
VolumeIds=[volume_id],
Filters=[{
'Name': 'status',
'Values': ['available']
}])
if response.get('Volumes'):
return True
else:
return False
except Exception:
return False
elif volume_name:
response = self.ec2_connection.describe_volumes(
Filters=[{
'Name': 'status',
'Values': ['available']
}, {
'Name': 'tag:Name',
'Values': [volume_name]
}])
if response.get('Volumes'):
return True
else:
return False
else:
raise TypeError(
"Neither volume_name nor volume_id were specified.")
def snapshot_exists(self, snapshot_name=None, snapshot_id=None):
"""
Method for checking existence of snapshot.
Args:
snapshot_name: Name of snapshot, if not set snapshot_id must be set.
snapshot_id: Id of snapshot in format snap-random_chars, if not set snapshot_name
must be set.
Returns:
True if snapshot exists.
False if snapshot doesn't exist.
"""
if snapshot_id:
try:
response = self.ec2_connection.describe_snapshots(
SnapshotIds=[snapshot_id])
if response.get('Snapshots'):
return True
else:
return False
except Exception:
return False
elif snapshot_name:
response = self.ec2_connection.describe_snapshots(
Filters=[{
'Name': 'tag:Name',
'Values': [snapshot_name]
}])
if response.get('Snapshots'):
return True
else:
return False
else:
raise TypeError(
"Neither snapshot_name nor snapshot_id were specified.")
def copy_snapshot(self, source_snapshot_id, source_region=None):
"""
This method is not working properly because of bug in boto3.
It creates new snapshot with empty size and error.
Args:
source_snapshot_id: Id of source snapshot in format snap-random_chars
source_region: Source region, if not set then ec2_connection region
Returns:
True when snapshot copy started successfully.
False when snapshot copy didn't start.
"""
if not source_region:
source_region = self.kwargs.get('region')
try:
self.ec2_connection.copy_snapshot(
SourceRegion=source_region,
SourceSnapshotId=source_snapshot_id,
DestinationRegion=source_region)
return True
except Exception:
self.logger.exception("Copy snapshot with id '%s' failed.",
source_snapshot_id)
return False
def list_load_balancer(self):
self.logger.info("Attempting to List EC2 Load Balancers")
return [
loadbalancer.name
for loadbalancer in self.elb_connection.get_all_load_balancers()
]
def list_network(self):
self.logger.info("Attempting to List EC2 Virtual Private Networks")
networks = self.ec2_connection.describe_network_acls()['NetworkAcls']
# EC2 api does not return the tags of the networks.... so returns only the IDs.
return [vpc_id['VpcId'] for vpc_id in networks]
def list_subnet(self):
self.logger.info("Attempting to List EC2 Subnets")
subnets = self.ec2_connection.describe_subnets()['Subnets']
subnets_names = []
# Subnets are not having mandatory tags names. They can have multiple tags, but only the tag
# 'Name' will be taken as the subnet name. If not tag is given, CFME displays the SubnetId
for subnet in subnets:
if 'Tags' in subnet and subnet['Tags']:
for tag in subnet['Tags']:
if 'Name' in tag.values():
subnets_names.append(tag['Value'])
else:
subnets_names.append(subnet['SubnetId'])
return subnets_names
def list_security_group(self):
self.logger.info("Attempting to List EC2 security groups")
return [sec_gp.name for sec_gp in self.api.get_all_security_groups()]
def list_router(self):
route_tables = self.ec2_connection.describe_route_tables(
)['RouteTables']
routers_names = []
# Routers names are tags which are not mandatory, and tag with key called Name will be
# used to name the router. If no tag name is provided, the routerTableId will be
# displayed as name in CFME.
for route in route_tables:
if route['Tags']:
for tag in route['Tags']:
if 'Name' in tag.values():
routers_names.append(tag['Value'])
else:
routers_names.append(route['RouteTableId'])
return routers_names
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 EC2System(MgmtSystemAPIBase):
"""EC2 Management System, powered by boto
Wraps the EC2 API and mimics the behavior of other implementors of
MgmtServiceAPIBase for us in VM control testing
Instead of username and password, accepts access_key_id and
secret_access_key, the AWS analogs to those ideas. These are passed, along
with any kwargs, straight through to boto's EC2 connection factory. This
allows customization of the EC2 connection, to connect to another region,
for example.
For the purposes of the EC2 system, a VM's instance ID is its name because
EC2 instances don't have to have unique names.
Args:
*kwargs: Arguments to connect, usually, username, password, region.
Returns: A :py:class:`EC2System` object.
"""
_stats_available = {
'num_vm': lambda self: len(self.list_vm()),
'num_template': lambda self: len(self.list_template()),
}
states = {
'running': ('running',),
'stopped': ('stopped', 'terminated'),
'suspended': (),
'deleted': ('terminated',),
}
can_suspend = False
def __init__(self, **kwargs):
super(EC2System, self).__init__(kwargs)
username = kwargs.get('username')
password = kwargs.get('password')
regionname = kwargs.get('region')
region = get_region(kwargs.get('region'))
self.api = EC2Connection(username, password, region=region)
self.sqs_connection = connection.SQSConnection(username, password, region=_regions(
regionmodule=sqs, regionname=regionname))
self.elb_connection = ELBConnection(username, password, region=_regions(
regionmodule=elb, regionname=regionname))
self.s3_connection = boto.connect_s3(username, password)
self.stackapi = CloudFormationConnection(username, password, region=_regions(
regionmodule=cloudformation, regionname=regionname))
self.kwargs = kwargs
def disconnect(self):
"""Disconnect from the EC2 API -- NOOP
AWS EC2 service is stateless, so there's nothing to disconnect from
"""
pass
def info(self):
"""Returns the current versions of boto and the EC2 API being used"""
return '%s %s' % (boto.UserAgent, self.api.APIVersion)
def list_vm(self, include_terminated=True):
"""Returns a list from instance IDs currently active on EC2 (not terminated)"""
instances = None
if include_terminated:
instances = [inst for inst in self._get_all_instances()]
else:
instances = [inst for inst in self._get_all_instances() if inst.state != 'terminated']
return [i.tags.get('Name', i.id) for i in instances]
def list_template(self):
private_images = self.api.get_all_images(owners=['self'],
filters={'image-type': 'machine'})
shared_images = self.api.get_all_images(executable_by=['self'],
filters={'image-type': 'machine'})
combined_images = list(set(private_images) | set(shared_images))
# Try to pull the image name (might not exist), falling back on ID (must exist)
return map(lambda i: i.name or i.id, combined_images)
def list_flavor(self):
raise NotImplementedError('This function is not supported on this platform.')
def vm_status(self, instance_id):
"""Returns the status of the requested instance
Args:
instance_id: ID of the instance to inspect
Returns: Instance status.
See this `page <http://docs.aws.amazon.com/AWSEC2/latest/APIReference/
ApiReference-ItemType-InstanceStateType.html>`_ for possible return values.
"""
instance = self._get_instance(instance_id)
return instance.state
def vm_type(self, instance_id):
"""Returns the instance type of the requested instance
e.g. m1.medium, m3.medium etc..
Args:
instance_id: ID of the instance to inspect
Returns: Instance type.
"""
instance = self._get_instance(instance_id)
return instance.instance_type
def vm_creation_time(self, instance_id):
instance = self._get_instance(instance_id)
# Example instance.launch_time: 2014-08-13T22:09:40.000Z
launch_time = datetime.strptime(instance.launch_time[:19], '%Y-%m-%dT%H:%M:%S')
# launch time is UTC, localize it, make it tz-naive to work with timedelta
return tzlocal.get_localzone().fromutc(launch_time).replace(tzinfo=None)
def create_vm(self):
raise NotImplementedError('create_vm not implemented.')
def delete_vm(self, instance_id):
"""Deletes the an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
"""
self.logger.info(" Terminating EC2 instance %s" % instance_id)
instance_id = self._get_instance_id_by_name(instance_id)
try:
self.api.terminate_instances([instance_id])
self._block_until(instance_id, self.states['deleted'])
return True
except ActionTimedOutError:
return False
def describe_stack(self, stack_name):
"""Describe stackapi
Returns the description for the specified stack
Args:
stack_name: Unique name of stack
"""
result = []
stacks = self.stackapi.describe_stacks(stack_name)
result.extend(stacks)
return result
def stack_exist(self, stack_name):
stacks = [stack for stack in self.describe_stack(stack_name)
if stack.stack_name == stack_name]
if stacks:
return bool(stacks)
def delete_stack(self, stack_name):
"""Deletes stack
Args:
stack_name: Unique name of stack
"""
self.logger.info(" Terminating EC2 stack {}" .format(stack_name))
try:
self.stackapi.delete_stack(stack_name)
return True
except ActionTimedOutError:
return False
def start_vm(self, instance_id):
"""Start an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
"""
self.logger.info(" Starting EC2 instance %s" % instance_id)
instance_id = self._get_instance_id_by_name(instance_id)
try:
self.api.start_instances([instance_id])
self._block_until(instance_id, self.states['running'])
return True
except ActionTimedOutError:
return False
def stop_vm(self, instance_id):
"""Stop an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
"""
self.logger.info(" Stopping EC2 instance %s" % instance_id)
instance_id = self._get_instance_id_by_name(instance_id)
try:
self.api.stop_instances([instance_id])
self._block_until(instance_id, self.states['stopped'], timeout=360)
return True
except ActionTimedOutError:
return False
def restart_vm(self, instance_id):
"""Restart an instance
Args:
instance_id: ID of the instance to act on
Returns: Whether or not the backend reports the action completed
The action is taken in two separate calls to EC2. A 'False' return can
indicate a failure of either the stop action or the start action.
Note: There is a reboot_instances call available on the API, but it provides
less insight than blocking on stop_vm and start_vm. Furthermore,
there is no "rebooting" state, so there are potential monitoring
issues that are avoided by completing these steps atomically
"""
self.logger.info(" Restarting EC2 instance %s" % instance_id)
return self.stop_vm(instance_id) and self.start_vm(instance_id)
def is_vm_state(self, instance_id, state):
return self.vm_status(instance_id) in state
def is_vm_running(self, instance_id):
"""Is the VM running?
Args:
instance_id: ID of the instance to inspect
Returns: Whether or not the requested instance is running
"""
return self.vm_status(instance_id) in self.states['running']
def wait_vm_running(self, instance_id, num_sec=360):
self.logger.info(" Waiting for EC2 instance %s to change status to running" % instance_id)
wait_for(self.is_vm_running, [instance_id], num_sec=num_sec)
def is_vm_stopped(self, instance_id):
"""Is the VM stopped?
Args:
instance_id: ID of the instance to inspect
Returns: Whether or not the requested instance is stopped
"""
return self.vm_status(instance_id) in self.states['stopped']
def wait_vm_stopped(self, instance_id, num_sec=360):
self.logger.info(
" Waiting for EC2 instance %s to change status to stopped or terminated" % instance_id
)
wait_for(self.is_vm_stopped, [instance_id], num_sec=num_sec)
def suspend_vm(self, instance_id):
"""Suspend a VM: Unsupported by EC2
Args:
instance_id: ID of the instance to act on
Raises:
ActionNotSupported: The action is not supported on the system
"""
raise ActionNotSupported()
def is_vm_suspended(self, instance_id):
"""Is the VM suspended? We'll never know because EC2 don't support this.
Args:
instance_id: ID of the instance to inspect
Raises:
ActionNotSupported: The action is not supported on the system
"""
raise ActionNotSupported()
def wait_vm_suspended(self, instance_id, num_sec):
"""We would wait forever - EC2 doesn't support this.
Args:
instance_id: ID of the instance to wait for
Raises:
ActionNotSupported: The action is not supported on the system
"""
raise ActionNotSupported()
def clone_vm(self, source_name, vm_name):
raise NotImplementedError('This function has not yet been implemented.')
def deploy_template(self, template, *args, **kwargs):
"""Instantiate the requested template image (ami id)
Accepts args/kwargs from boto's
:py:meth:`run_instances<boto:boto.ec2.connection.EC2Connection.run_instances>` method
Most important args are listed below.
Args:
template: Template name (AMI ID) to instantiate
vm_name: Name of the instance (Name tag to set)
instance_type: Type (flavor) of the instance
Returns: Instance ID of the created instance
Note: min_count and max_count args will be forced to '1'; if you're trying to do
anything fancier than that, you might be in the wrong place
"""
# Enforce create_vm only creating one VM
self.logger.info(" Deploying EC2 template %s" % template)
# strip out kwargs that ec2 doesn't understand
timeout = kwargs.pop('timeout', 900)
vm_name = kwargs.pop('vm_name', None)
power_on = kwargs.pop('power_on', True)
# Make sure we only provision one VM
kwargs.update({'min_count': 1, 'max_count': 1})
# sanity-check inputs
if 'instance_type' not in kwargs:
kwargs['instance_type'] = 'm1.small'
if not template.startswith('ami'):
# assume this is a lookup by name, get the ami id
template = self._get_ami_id_by_name(template)
# clone!
reservation = self.api.run_instances(template, *args, **kwargs)
instances = self._get_instances_from_reservations([reservation])
# Should have only made one VM; return its ID for use in other methods
self.wait_vm_running(instances[0].id, num_sec=timeout)
if vm_name:
self.set_name(instances[0].id, vm_name)
if power_on:
self.start_vm(instances[0].id)
return instances[0].id
def set_name(self, instance_id, new_name):
self.logger.info("Setting name of EC2 instance %s to %s" % (instance_id, new_name))
instance = self._get_instance(instance_id)
instance.add_tag('Name', new_name)
return new_name
def get_name(self, instance_id):
return self._get_instance(instance_id).tags.get('Name', instance_id)
def _get_instance(self, instance_id):
instance_id = self._get_instance_id_by_name(instance_id)
reservations = self.api.get_all_instances([instance_id])
instances = self._get_instances_from_reservations(reservations)
if len(instances) > 1:
raise MultipleInstancesError
try:
return instances[0]
except KeyError:
return None
def current_ip_address(self, instance_id):
return str(self._get_instance(instance_id).ip_address)
def get_ip_address(self, instance_id, **kwargs):
return self.current_ip_address(instance_id)
def _get_instance_id_by_name(self, instance_name):
# Quick validation that the instance name isn't actually an ID
# If people start naming their instances in such a way to break this,
# check, that would be silly, but we can upgrade to regex if necessary.
pattern = re.compile('^i-\w{8,17}$')
if pattern.match(instance_name):
return instance_name
# Filter by the 'Name' tag
filters = {
'tag:Name': instance_name,
}
reservations = self.api.get_all_instances(filters=filters)
instances = self._get_instances_from_reservations(reservations)
if not instances:
raise VMInstanceNotFound(instance_name)
elif len(instances) > 1:
raise MultipleInstancesError('Instance name "%s" is not unique' % instance_name)
# We have an instance! return its ID
return instances[0].id
def _get_ami_id_by_name(self, image_name):
matches = self.api.get_all_images(filters={'name': image_name})
if not matches:
raise ImageNotFoundError(image_name)
elif len(matches) > 1:
raise MultipleImagesError('Template name %s returned more than one image_name. '
'Use the ami-ID or remove duplicates from EC2' % image_name)
return matches[0].id
def does_vm_exist(self, name):
try:
self._get_instance_id_by_name(name)
return True
except MultipleInstancesError:
return True
except VMInstanceNotFound:
return False
def _get_instances_from_reservations(self, reservations):
"""Takes a sequence of reservations and returns their instances"""
instances = list()
for reservation in reservations:
for instance in reservation.instances:
instances.append(instance)
return instances
def _get_all_instances(self):
"""Gets all instances that EC2 can see"""
reservations = self.api.get_all_instances()
instances = self._get_instances_from_reservations(reservations)
return instances
def _block_until(self, instance_id, expected, timeout=90):
"""Blocks until the given instance is in one of the expected states
Takes an optional timeout value.
"""
wait_for(lambda: self.vm_status(instance_id) in expected, num_sec=timeout)
def remove_host_from_cluster(self, hostname):
raise NotImplementedError('remove_host_from_cluster not implemented')
def create_s3_bucket(self, bucket_name):
self.logger.info("Creating bucket: {}".format(bucket_name))
self.s3_connection.create_bucket(bucket_name)
def upload_file_to_s3_bucket(self, bucket_name, file_path, key_name):
bucket = self.s3_connection.get_bucket(bucket_name)
self.logger.info("uploading file {} to bucket: {}".format(file_path, bucket_name))
key = boto.s3.key.Key(bucket, key_name)
with open(file_path) as f:
key.set_contents_from_file(f)
self.logger.info("Success: uploading file completed")
return True
def get_all_disassociated_addresses(self):
return [
addr for addr
in self.api.get_all_addresses()
if not addr.instance_id and not addr.network_interface_id]
def release_vpc_address(self, alloc_id):
self.logger.info(" Releasing EC2 VPC EIP {}".format(str(alloc_id)))
try:
self.api.release_address(allocation_id=alloc_id)
return True
except ActionTimedOutError:
return False
def release_address(self, address):
self.logger.info(" Releasing EC2-CLASSIC EIP {}".format(address))
try:
self.api.release_address(public_ip=address)
return True
except ActionTimedOutError:
return False
def get_all_unattached_volumes(self):
return [volume for volume in self.api.get_all_volumes() if not
volume.attach_data.status]
def delete_sqs_queue(self, queue_name):
self.logger.info(" Deleting SQS queue {}".format(queue_name))
try:
queue = self.sqs_connection.get_queue(queue_name=queue_name)
if queue:
self.sqs_connection.delete_queue(queue=queue)
return True
else:
return False
except ActionTimedOutError:
return False
def get_all_unused_loadbalancers(self):
return [
loadbalancer for loadbalancer
in self.elb_connection.get_all_load_balancers()
if not loadbalancer.instances]
def delete_loadbalancer(self, loadbalancer):
self.logger.info(" Deleting Elastic Load Balancer {}".format(loadbalancer.name))
try:
self.elb_connection.delete_load_balancer(loadbalancer.name)
return True
except ActionTimedOutError:
return False
def get_all_unused_network_interfaces(self):
return [eni for eni in self.api.get_all_network_interfaces() if eni.status == "available"]
# ---------------------------Clean UP-------------------------------------------
res = conn.get_all_instances()
ids = []
for r in res:
ids.append(r.instances[0].id)
for s in ids:
if s == lg_id:
continue
try:
conn.terminate_instances(instance_ids=[s])
except:
continue
time.sleep(100);
con_elb.delete_load_balancer('ELB')
time.sleep(100)
con_as.delete_auto_scaling_group('Project2.2_AutoSacling_Group', force_delete=True)
con_as.delete_launch_configuration('Project2.2_Lauch_Config')
while True:
try:
conn.delete_security_group(name='LBAS')
conn.delete_security_group(name='Load_Generator')
break
except:
time.sleep(5)
conn = EC2Connection()
con_l = ELBConnection()
con_a = AutoScaleConnection()
res = conn.get_all_instances()
ids = []
for r in res:
ids.append(r.instances[0].id)
for s in ids:
try:
conn.terminate_instances(instance_ids=[s])
except:
continue
try:
con_l.delete_load_balancer('ELB')
time.sleep(60)
except:
pass
con_a.delete_auto_scaling_group('Project2.2_AutoSacling_Group', force_delete=True)
con_a.delete_launch_configuration('Project2.2_Lauch_Config')
while True:
try:
conn.delete_security_group(name='LBAS')
conn.delete_security_group(name='Load_Generator')
break
except:
time.sleep(5)