# Conflicts:
#	aws-experiment-launch/create_and_deploy.py
pull/28/head
Richard Liu 6 years ago
commit 5ed56e41da
  1. 254
      aws-experiment-launch/create_and_deploy.py

@ -4,6 +4,8 @@ import sys
import json
import time
import datetime
from threading import Thread
from Queue import Queue
import base64
REGION_NAME = 'region_name'
@ -24,7 +26,7 @@ time_stamp = time.time()
CURRENT_SESSION = datetime.datetime.fromtimestamp(
time_stamp).strftime('%H-%M-%S-%Y-%m-%d')
PLACEMENT_GROUP = "PLACEMENT-" + CURRENT_SESSION
NODE_VALUE = "NODE-" + CURRENT_SESSION
NODE_NAME_SUFFIX = "NODE-" + CURRENT_SESSION
"""
TODO:
@ -39,13 +41,7 @@ Build (argparse,functions) support for
"""
def get_instance_ids(response):
instance_ids = []
for reservation in response["Reservations"]:
for instance in reservation["Instances"]:
instance_ids.append(instance["InstanceId"])
return instance_ids
### CREATE INSTANCES ###
def run_one_region_instances(config, region_number, number_of_instances, isOnDemand=True):
@ -57,100 +53,22 @@ def run_one_region_instances(config, region_number, number_of_instances, isOnDem
session = boto3.Session(region_name=region_name)
ec2_client = session.client('ec2')
if isOnDemand:
response, placement = create_instances(
response = create_instances(
config, ec2_client, region_number, int(number_of_instances))
else:
response, placement = request_spots(
response = request_spots(
config, ec2_client, region_number, int(number_of_instances))
print(placement)
return session, placement
def run_one_region_codedeploy(region_number, placement_group, 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]
session = boto3.Session(region_name=region_name)
ec2_client = session.client('ec2')
response = ec2_client.describe_instances(
Filters=[
{
'Name': 'placement-group-name',
'Values': [
placement_group
]
}
]
)
instance_ids = get_instance_ids(response)
print("Waiting for all instances to start running")
waiter = ec2_client.get_waiter('instance_running')
waiter.wait(InstanceIds=instance_ids)
print("Waiting for all instances to be status ok")
waiter = ec2_client.get_waiter('instance_status_ok')
waiter.wait(InstanceIds=instance_ids)
print("Waiting for system to be status ok")
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)
repo = REPO
response = get_application(codedeploy, application_name)
response = get_deployment_group(
codedeploy, application_name, deployment_group)
deploy(codedeploy, application_name,
deployment_group, repo, commitId, wait=True)
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()
return session
def create_instances(config, ec2_client, region_number, number_of_instances):
placement_group = region_number + "-" + PLACEMENT_GROUP
response = ec2_client.create_placement_group(
GroupName=placement_group,
Strategy='spread'
)
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),
'GroupName': placement_group
},
SecurityGroups=[config[region_number][REGION_SECURITY_GROUP]],
IamInstanceProfile={
@ -165,19 +83,13 @@ def create_instances(config, ec2_client, region_number, number_of_instances):
'Tags': [
{
'Key': 'Name',
'Value': 'Node'
'Value': NODE_NAME
},
]
},
],
# InstanceMarketOptions={
# 'MarketType': 'spot',
# 'SpotOptions': {
# 'BlockDurationMinutes': 60,
# }
# }
]
)
return response, placement_group
return response
def request_spots(config, ec2_client, region_number, number_of_instances):
@ -205,10 +117,81 @@ def request_spots(config, ec2_client, region_number, number_of_instances):
}
}
)
return response, placement_group
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]
}
]
print("Waiting for all instances to start running")
waiter = ec2_client.get_waiter('instance_running')
waiter.wait(Filters=filters)
print("Waiting for all instances to be status ok")
waiter = ec2_client.get_waiter('instance_status_ok')
waiter.wait(Filters=filters)
print("Waiting for system to be status ok")
waiter = ec2_client.get_waiter('system_status_ok')
waiter.wait(Filters=filters)
codedeploy = session.client('codedeploy')
application_name = APPLICATION_NAME
deployment_group = APPLICATION_NAME + "-" + str(commitId)
repo = REPO
response = get_application(codedeploy, application_name)
response = get_deployment_group(
codedeploy, application_name, deployment_group)
depId = deploy(codedeploy, application_name,
deployment_group, repo, commitId)
return region_number, depId
def get_deployment_group(codedeploy, application_name, deployment_group):
NODE_NAME = region_number + "-" + NODE_NAME_SUFFIX
response = codedeploy.list_deployment_groups(
applicationName=application_name
)
@ -229,7 +212,7 @@ def get_deployment_group(codedeploy, application_name, deployment_group):
[
{
'Key': 'Name',
'Value': 'Node',
'Value': NODE_NAME,
'Type': 'KEY_AND_VALUE'
},
],
@ -239,14 +222,6 @@ def get_deployment_group(codedeploy, application_name, deployment_group):
return response
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
def get_application(codedeploy, application_name):
response = codedeploy.list_applications()
if application_name in response['applications']:
@ -259,7 +234,7 @@ def get_application(codedeploy, application_name):
return response
def deploy(codedeploy, application_name, deployment_group, repo, commitId, wait=True):
def deploy(codedeploy, application_name, deployment_group, repo, commitId):
"""Deploy new code at specified revision to instance.
arguments:
@ -283,11 +258,8 @@ def deploy(codedeploy, application_name, deployment_group, repo, commitId, wait=
)
depId = res["deploymentId"]
print("Deployment ID: " + depId)
# The deployment is launched at this point, so exit unless asked to wait
# until it finishes
if not wait:
return
info = {'status': 'Created'}
start = time.time()
while info['status'] not in ('Succeeded', 'Failed', 'Stopped',) and (time.time() - start < 300.0):
@ -296,9 +268,41 @@ def deploy(codedeploy, application_name, deployment_group, repo, commitId, wait=
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):
@ -316,6 +320,16 @@ def read_configuration_file(filename):
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')
@ -334,16 +348,10 @@ if __name__ == "__main__":
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
placement_groups = []
for i in range(len(region_list)):
region_number = region_list[i]
number_of_instances = instances_list[i]
session, placement_group = run_one_region_instances(
config, region_number, number_of_instances)
placement_groups.append(placement_group)
for i in range(len(region_list)):
region_number = region_list[i]
placement_group = placement_groups[i]
run_one_region_codedeploy(region_number, placement_group, commitId)
session = run_one_region_instances(
config, region_number, number_of_instances, False)
results = launch_code_deploy(region_list, commitId)
print(results)

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