def __run_nat_instance (self):
#image_id: ID of the image we are creating, here it's AMAZON LINUX VPC NAT instance id
#instance_type: This is the flavour we're using
# m3.xlarge provides 4 vCPUs,15GiB and 2*40 GB SSD Storage
reservation = self.ec2_conn.run_instances (
image_id = 'ami-1a9dac48', min_count = 1,
max_count = 1, key_name ='openstack-workshop',
instance_type = 'm3.xlarge',
subnet_id = self.public_subnet.id,
private_ip_address='172.16.0.5',
security_group_ids = [self.sg_nat.id]);
nat_instance = reservation.instances[0];
nat_instance.add_tag("Name", self.conf["name"] + "_NAT");
# Each EC2 instance performs source/destination checks by default.
# This means that the instance must be the source or destination
# of any traffic it sends or receives.
# However, a NAT instance must be able to send and receive traffic
# whem the source or destination is not itself. Therefore, we must
# disable source/destination checks on the NAT instance
self.ec2_conn.modify_instance_attribute(
instance_id = nat_instance.id,
attribute = 'sourceDestCheck',
value=False);
# Wait for the NAT instance to get into running state
# We cannot assing an EIP to it until it is in the running
awsUtils.wait_for_instances([nat_instance.id], 'running',
self.ec2_conn);
return nat_instance;
def __run_nat_instance(self):
#image_id: ID of the image we are creating, here it's AMAZON LINUX VPC NAT instance id
#instance_type: This is the flavour we're using
# m3.xlarge provides 4 vCPUs,15GiB and 2*40 GB SSD Storage
reservation = self.ec2_conn.run_instances(
image_id='ami-1a9dac48',
min_count=1,
max_count=1,
key_name='openstack-workshop',
instance_type='m3.xlarge',
subnet_id=self.public_subnet.id,
private_ip_address='172.16.0.5',
security_group_ids=[self.sg_nat.id])
nat_instance = reservation.instances[0]
nat_instance.add_tag("Name", self.conf["name"] + "_NAT")
# Each EC2 instance performs source/destination checks by default.
# This means that the instance must be the source or destination
# of any traffic it sends or receives.
# However, a NAT instance must be able to send and receive traffic
# whem the source or destination is not itself. Therefore, we must
# disable source/destination checks on the NAT instance
self.ec2_conn.modify_instance_attribute(instance_id=nat_instance.id,
attribute='sourceDestCheck',
value=False)
# Wait for the NAT instance to get into running state
# We cannot assing an EIP to it until it is in the running
awsUtils.wait_for_instances([nat_instance.id], 'running',
self.ec2_conn)
return nat_instance
def __run_cloud_instances(self, private_ip=None):
cloud_instances = []
#create IP for the controller instance, [.91]
controller_ip = self.__create_private_ip('91')
#create IP for the compute instance, [.92]
compute_ip = self.__create_private_ip('92')
#It'll run the instance, ID here is the id of the instance with pre installed devstack in them
controller = self.__run_cloud_instance(controller_ip,
image_id='ami-0f7aba6c')
compute = self.__run_cloud_instance(compute_ip,
image_id='ami-9c7abaff')
controller.add_tag("Name", "Controller_" + self.participant_id)
compute.add_tag("Name", "Compute_" + self.participant_id)
cloud_instances.append(controller)
cloud_instances.append(compute)
#Wait for instances to be in running state
ids = []
for instance in cloud_instances:
ids.append(instance.id)
awsUtils.wait_for_instances(ids, 'running')
return controller_ip, compute_ip, cloud_instances
def __run_cloud_instances (self, private_ip = None):
cloud_instances = [];
#create IP for the controller instance, [.91]
controller_ip = self.__create_private_ip('91');
#create IP for the compute instance, [.92]
compute_ip = self.__create_private_ip('92');
#It'll run the instance, ID here is the id of the instance with pre installed devstack in them
controller = self.__run_cloud_instance(
controller_ip,
image_id='ami-0f7aba6c');
compute = self.__run_cloud_instance(
compute_ip,
image_id='ami-9c7abaff');
controller.add_tag("Name", "Controller_" + self.participant_id );
compute.add_tag("Name", "Compute_" + self.participant_id);
cloud_instances.append(controller);
cloud_instances.append(compute);
#Wait for instances to be in running state
ids = [];
for instance in cloud_instances:
ids.append(instance.id);
awsUtils.wait_for_instances(ids, 'running');
return controller_ip, compute_ip, cloud_instances;
def __terminate_cloud_instances(self):
self.ec2_conn.terminate_instances(instance_ids=self.instance_ids)
awsUtils.wait_for_instances(self.instance_ids, 'terminated',
self.ec2_conn)
def __terminate_cloud_instances (self):
self.ec2_conn.terminate_instances (instance_ids=self.instance_ids);
awsUtils.wait_for_instances(self.instance_ids, 'terminated',
self.ec2_conn);