The core protocol of WoopChain
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woop/aws-experiment-launch/create_instances.py

116 lines
4.5 KiB

import boto3
import argparse
import sys
import json
import time
import datetime
from threading import Thread
from Queue import Queue
import base64
from utils import utils
class InstanceResource:
ON_DEMAND = 1
SPOT_INSTANCE = 2
SPOT_FLEET = 3
with open("user-data.sh", "r") as userdata_file:
USER_DATA = userdata_file.read()
IAM_INSTANCE_PROFILE = 'BenchMarkCodeDeployInstanceProfile'
time_stamp = time.time()
CURRENT_SESSION = datetime.datetime.fromtimestamp(
time_stamp).strftime('%H-%M-%S-%Y-%m-%d')
NODE_NAME_SUFFIX = "NODE-" + CURRENT_SESSION
def run_one_region_instances(config, region_number, number_of_instances, instance_resource=InstanceResource.ON_DEMAND):
region_name = config[region_number][utils.REGION_NAME]
# Create session.
session = boto3.Session(region_name=region_name)
# Create a client.
ec2_client = session.client('ec2')
if instance_resource == InstanceResource.ON_DEMAND:
node_name_tag = create_instances(
config, ec2_client, region_number, int(number_of_instances))
print("Created %s in region %s" % (node_name_tag, region_number))
return node_name_tag
else:
return None
def create_instances(config, ec2_client, region_number, number_of_instances):
node_name_tag = region_number + "-" + NODE_NAME_SUFFIX
print("Creating node_name_tag: %s" % node_name_tag)
available_zone = utils.get_one_availability_zone(ec2_client)
print("Looking at zone %s to create instances." % available_zone)
ec2_client.run_instances(
MinCount=number_of_instances,
MaxCount=number_of_instances,
ImageId=config[region_number][utils.REGION_AMI],
Placement={
'AvailabilityZone': available_zone,
},
SecurityGroups=[config[region_number][utils.REGION_SECURITY_GROUP]],
IamInstanceProfile={
'Name': IAM_INSTANCE_PROFILE
},
KeyName=config[region_number][utils.REGION_KEY],
UserData=USER_DATA,
InstanceType=utils.INSTANCE_TYPE,
TagSpecifications=[
{
'ResourceType': 'instance',
'Tags': [
{
'Key': 'Name',
'Value': node_name_tag
},
]
},
],
)
count = 0
while count < 40:
time.sleep(5)
print("Waiting ...")
ip_list = utils.collect_public_ips_from_ec2_client(ec2_client, node_name_tag)
if len(ip_list) == number_of_instances:
print("Created %d instances" % number_of_instances)
return node_name_tag
count = count + 1
print("Can not create %d instances" % number_of_instances)
return None
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('--instance_output', type=str, dest='instance_output',
default='instance_output.txt', help='the file to append or write')
parser.add_argument('--append', dest='append', type=bool, default=False,
help='append to the current instance_output')
args = parser.parse_args()
config = utils.read_region_config(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(instances_list))
with open(args.instance_output, "a" if args.append else "w") as fout:
for i in range(len(region_list)):
region_number = region_list[i]
number_of_instances = instances_list[i]
node_name_tag = run_one_region_instances(config, region_number, number_of_instances, InstanceResource.ON_DEMAND)
if node_name_tag:
print("Managed to create instances for region %s" % region_number )
fout.write("%s %s\n" % (node_name_tag, region_number))
else:
print("Failed to create instances for region %s" % region_number )