import boto3 import argparse import sys import json import time import datetime from threading import Thread from Queue import Queue import base64 class InstanceType: ON_DEMAND = 1 SPOT_INSTANCE = 2 SPOT_FLEET = 3 REGION_NAME = 'region_name' REGION_KEY = 'region_key' REGION_SECURITY_GROUP = 'region_security_group' REGION_HUMAN_NAME = 'region_human_name' INSTANCE_TYPE = 't2.small' REGION_AMI = 'region_ami' with open("user-data.sh", "r") as userdata_file: USER_DATA = userdata_file.read() # UserData must be base64 encoded for spot instances. USER_DATA_BASE64 = base64.b64encode(USER_DATA) IAM_INSTANCE_PROFILE = 'BenchMarkCodeDeployInstanceProfile' REPO = "simple-rules/harmony-benchmark" APPLICATION_NAME = 'benchmark-experiments' time_stamp = time.time() CURRENT_SESSION = datetime.datetime.fromtimestamp( time_stamp).strftime('%H-%M-%S-%Y-%m-%d') PLACEMENT_GROUP = "PLACEMENT-" + CURRENT_SESSION NODE_NAME_SUFFIX = "NODE-" + CURRENT_SESSION """ TODO: save NODE to disk, so that you can selectively only run deploy (not recreate instances). Right now all instances have "NODE" so this has uninted consequences of running on instances that were previous created. Build (argparse,functions) support for 1. run only create instance (multiple times) 2. run only codedeploy (multiple times) 3. run create instance followed by codedeploy """ ### CREATE INSTANCES ### def run_one_region_instances(config, region_number, number_of_instances, instance_type=InstanceType.ON_DEMAND): #todo: explore the use ec2 resource and not client. e.g. create_instances -- Might make for better code. """ e.g. ec2.create_instances """ region_name = config[region_number][REGION_NAME] session = boto3.Session(region_name=region_name) ec2_client = session.client('ec2') if instance_type == InstanceType.ON_DEMAND: NODE_NAME = create_instances( config, ec2_client, region_number, int(number_of_instances)) print("Created %s in region %s"%(NODE_NAME,region_number)) ##REPLACE ALL print with logger elif instance_type == InstanceType.SPOT_INSTANCE: response = request_spot_instances( config, ec2_client, region_number, int(number_of_instances)) else: response = request_spot_fleet( config, ec2_client, region_number, int(number_of_instances)) return session def create_instances(config, ec2_client, region_number, number_of_instances): NODE_NAME = region_number + "-" + NODE_NAME_SUFFIX response = ec2_client.run_instances( MinCount=number_of_instances, MaxCount=number_of_instances, ImageId=config[region_number][REGION_AMI], Placement={ 'AvailabilityZone': get_one_availability_zone(ec2_client), }, SecurityGroups=[config[region_number][REGION_SECURITY_GROUP]], IamInstanceProfile={ 'Name': IAM_INSTANCE_PROFILE }, KeyName=config[region_number][REGION_KEY], UserData=USER_DATA, InstanceType=INSTANCE_TYPE, TagSpecifications=[ { 'ResourceType': 'instance', 'Tags': [ { 'Key': 'Name', 'Value': NODE_NAME }, ] }, ], # We can also request spot instances this way but this way will block the # process until spot requests are fulfilled, otherwise it will throw exception # after 4 failed re-try. # InstanceMarketOptions= { # 'MarketType': 'spot', # 'SpotOptions': { # 'SpotInstanceType': 'one-time', # 'BlockDurationMinutes': 60, # } # } ) return NODE_NAME def request_spot_instances(config, ec2_client, region_number, number_of_instances): NODE_NAME = region_number + "-" + NODE_NAME_SUFFIX response = ec2_client.request_spot_instances( # DryRun=True, BlockDurationMinutes=60, InstanceCount=number_of_instances, LaunchSpecification={ 'SecurityGroups': [config[region_number][REGION_SECURITY_GROUP]], 'IamInstanceProfile': { 'Name': IAM_INSTANCE_PROFILE }, 'UserData': USER_DATA_BASE64, 'ImageId': config[region_number][REGION_AMI], 'InstanceType': INSTANCE_TYPE, 'KeyName': config[region_number][REGION_KEY], 'Placement': { 'AvailabilityZone': get_one_availability_zone(ec2_client) } } ) return response def request_spot_fleet(config, ec2_client, region_number, number_of_instances): NODE_NAME = region_number + "-" + NODE_NAME_SUFFIX # https://boto3.readthedocs.io/en/latest/reference/services/ec2.html#EC2.Client.request_spot_fleet response = ec2_client.request_spot_fleet( # DryRun=True, SpotFleetRequestConfig={ # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-fleet.html#spot-fleet-allocation-strategy 'AllocationStrategy': 'diversified', # 'IamFleetRole': IAM_INSTANCE_PROFILE, // TODO@ricl, create fleet role. 'LaunchSpecifications': [ { 'SecurityGroups': [ { 'GroupName': config[region_number][REGION_SECURITY_GROUP] } ], 'IamInstanceProfile': { 'Name': IAM_INSTANCE_PROFILE }, 'ImageId': config[region_number][REGION_AMI], 'InstanceType': INSTANCE_TYPE, 'KeyName': config[region_number][REGION_KEY], 'Placement': { 'AvailabilityZone': get_one_availability_zone(ec2_client) }, 'UserData': USER_DATA, # 'WeightedCapacity': 123.0, 'TagSpecifications': [ { 'ResourceType': 'instance', 'Tags': [ { 'Key': 'Name', 'Value': NODE_NAME }, ] } ] }, ], # 'SpotPrice': 'string', # The maximum price per unit hour that you are willing to pay for a Spot Instance. The default is the On-Demand price. 'TargetCapacity': 1, 'OnDemandTargetCapacity': 0, 'Type': 'maintain', } ) return response def get_availability_zones(ec2_client): response = ec2_client.describe_availability_zones() all_zones = [] if response.get('AvailabilityZones', None): region_info = response.get('AvailabilityZones') for info in region_info: if info['State'] == 'available': all_zones.append(info['ZoneName']) return all_zones def get_one_availability_zone(ec2_client): all_zones = get_availability_zones(ec2_client) if len(all_zones) > 0: return all_zones[0] else: print("No availability zone for this region") sys.exit() #### CODEDEPLOY ### def run_one_region_codedeploy(region_number, commitId): #todo: explore the use ec2 resource and not client. e.g. create_instances -- Might make for better code. """ for getting instance ids:--- ec2 = boto3.resource('ec2', region_name=region_name]) result = ec2.instances.filter(Filters=[{'Name': 'instance-state-name', 'Values': ['running']}]) for instance in result: instances.append(instance.id) for getting public ips : -- ec2 = boto3.resource('ec2') instance """ region_name = config[region_number][REGION_NAME] NODE_NAME = region_number + "-" + NODE_NAME_SUFFIX session = boto3.Session(region_name=region_name) ec2_client = session.client('ec2') filters = [{'Name': 'tag:Name','Values': [NODE_NAME]}] instance_ids = get_instance_ids(ec2_client.describe_instances(Filters=filters)) print("Number of instances: %d" % len(instance_ids)) print("Waiting for all %d instances in region %s to start running"%(len(instance_ids),region_number)) waiter = ec2_client.get_waiter('instance_running') waiter.wait(InstanceIds=instance_ids) print("Waiting for all %d instances in region %s to be INSTANCE STATUS OK"%(len(instance_ids),region_number)) waiter = ec2_client.get_waiter('instance_status_ok') waiter.wait(InstanceIds=instance_ids) print("Waiting for all %d instances in region %s to be SYSTEM STATUS OK"%(len(instance_ids),region_number)) waiter = ec2_client.get_waiter('system_status_ok') waiter.wait(InstanceIds=instance_ids) codedeploy = session.client('codedeploy') application_name = APPLICATION_NAME deployment_group = APPLICATION_NAME + "-" + str(commitId)[6] + "-" + CURRENT_SESSION repo = REPO print("Setting up to deploy commitId %s on region %s"%(commitId,region_number)) response = get_application(codedeploy, application_name) deployment_group = get_deployment_group( codedeploy, region_number, application_name, deployment_group) depId = deploy(codedeploy, application_name, deployment_group, repo, commitId) return region_number, depId def get_deployment_group(codedeploy, region_number,application_name, deployment_group): NODE_NAME = region_number + "-" + NODE_NAME_SUFFIX response = codedeploy.create_deployment_group( applicationName=application_name, deploymentGroupName=deployment_group, deploymentConfigName='CodeDeployDefault.AllAtOnce', serviceRoleArn='arn:aws:iam::656503231766:role/BenchMarkCodeDeployServiceRole', deploymentStyle={ 'deploymentType': 'IN_PLACE', 'deploymentOption': 'WITHOUT_TRAFFIC_CONTROL' }, ec2TagFilters = [ { 'Key': 'Name', 'Value': NODE_NAME, 'Type': 'KEY_AND_VALUE' } ] ) return deployment_group def get_application(codedeploy, application_name): response = codedeploy.list_applications() if application_name in response['applications']: return response else: response = codedeploy.create_application( applicationName=application_name, computePlatform='Server' ) return response def deploy(codedeploy, application_name, deployment_group, repo, commitId): """Deploy new code at specified revision to instance. arguments: - repo: GitHub repository path from which to get the code - commitId: commit ID to be deployed - wait: wait until the CodeDeploy finishes """ print("Launching CodeDeploy with commit " + commitId) res = codedeploy.create_deployment( applicationName=application_name, deploymentGroupName=deployment_group, deploymentConfigName='CodeDeployDefault.AllAtOnce', description='benchmark experiments', revision={ 'revisionType': 'GitHub', 'gitHubLocation': { 'repository': repo, 'commitId': commitId, } } ) depId = res["deploymentId"] print("Deployment ID: " + depId) # The deployment is launched at this point, so exit unless asked to wait # until it finishes info = {'status': 'Created'} start = time.time() while info['status'] not in ('Succeeded', 'Failed', 'Stopped',) and (time.time() - start < 300.0): info = codedeploy.get_deployment(deploymentId=depId)['deploymentInfo'] print(info['status']) time.sleep(15) if info['status'] == 'Succeeded': print("\nDeploy Succeeded") return depId else: print("\nDeploy Failed") print(info) return depId def run_one_region_codedeploy_wrapper(region_number, commitId, queue): region_number, depId = run_one_region_codedeploy(region_number, commitId) queue.put((region_number, depId)) def launch_code_deploy(region_list, commitId): queue = Queue() jobs = [] for i in range(len(region_list)): region_number = region_list[i] my_thread = Thread(target=run_one_region_codedeploy_wrapper, args=( region_number, commitId, queue)) my_thread.start() jobs.append(my_thread) for my_thread in jobs: my_thread.join() results = [queue.get() for job in jobs] return results ##### UTILS #### def get_instance_ids(describe_instances_response): instance_ids = [] for reservation in describe_instances_response["Reservations"]: for instance in reservation["Instances"]: instance_ids.append(instance["InstanceId"]) return instance_ids def read_configuration_file(filename): config = {} with open(filename, 'r') as f: for myline in f: mylist = myline.strip().split(',') region_num = mylist[0] config[region_num] = {} config[region_num][REGION_NAME] = mylist[1] config[region_num][REGION_KEY] = mylist[2] config[region_num][REGION_SECURITY_GROUP] = mylist[3] config[region_num][REGION_HUMAN_NAME] = mylist[4] config[region_num][REGION_AMI] = mylist[5] return config def get_commitId(commitId): if commitId is None: commitId = run("git rev-list --max-count=1 HEAD", hide=True).stdout.strip() print("Got newest commitId as " + commitId) return commitId ##### UTILS #### if __name__ == "__main__": parser = argparse.ArgumentParser( description='This script helps you start instances across multiple regions') parser.add_argument('--regions', type=str, dest='regions', default='3', help="Supply a csv list of all regions") parser.add_argument('--instances', type=str, dest='numInstances', default='1', help='number of instances') parser.add_argument('--configuration', type=str, dest='config', default='configuration.txt') parser.add_argument('--commitId', type=str, dest='commitId', default='1f7e6e7ca7cf1c1190cedec10e791c01a29971cf') args = parser.parse_args() config = read_configuration_file(args.config) region_list = args.regions.split(',') instances_list = args.numInstances.split(',') assert len(region_list) == len(instances_list), "number of regions: %d != number of instances per region: %d" % ( len(region_list), len(intances_list)) commitId = args.commitId for i in range(len(region_list)): region_number = region_list[i] number_of_instances = instances_list[i] session = run_one_region_instances( config, region_number, number_of_instances, InstanceType.SPOT_FLEET) results = launch_code_deploy(region_list, commitId) print(results)