This commit is contained in:
s444417 2023-01-10 21:44:53 +01:00
parent 08251b41e5
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.gitignore vendored
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token.txt token.txt
.env

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#!/bin/bash
pip install hcloud
python del_gitea.py
python lab4/4.1-hetzner/start-hetzner.py

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from hcloud import Client
from hcloud.images.domain import Image
from hcloud.server_types.domain import ServerType
from hcloud.networks.domain import NetworkSubnet
from hcloud.locations.domain import Location
from hcloud.load_balancer_types.domain import LoadBalancerType
from hcloud.load_balancers.domain import LoadBalancerHealthCheck, LoadBalancerService, LoadBalancerHealtCheckHttp, LoadBalancerTarget
api_token = ""
with open("token.txt", "r") as file:
api_token = file.read().strip()
client = Client(token=api_token)
PREFIX = "s444417"
YOUR_LOCAL_SSH_PUBKEY = "ssh-rsa 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 s444417@MIK"
vnet_name = f"{PREFIX}-pzc-test-vnet"
vnet = client.networks.get_by_name(vnet_name) or None
if not vnet:
vnet = client.networks.create(
name=vnet_name,
ip_range="10.10.10.0/24",
subnets=[
NetworkSubnet(ip_range="10.10.10.0/24", network_zone="eu-central", type="cloud")
]
)
print(f"Utworzono sieć wirtualną {vnet.data_model.name} ({vnet.data_model.ip_range})")
ssh_name = f"{PREFIX}-pzc-ssh-key"
ssh_key = client.ssh_keys.get_by_name(ssh_name) or None
if not ssh_key:
ssh_key = client.ssh_keys.create(name=ssh_name, public_key=YOUR_LOCAL_SSH_PUBKEY)
print(f"Klucz {ssh_key.data_model.name} został dodany: {ssh_key.data_model.public_key}")
cloud_init_wp1=r'''#cloud-config
runcmd:
- git clone https://git.wmi.amu.edu.pl/s444417/dpzc
- chmod +x /dpzc/lab4/4.1-hetzner/webservice
- systemctl start /dpzc/lab4/4.1-hetzner/webservice
'''
servers = []
for i in range(2):
name=f"{PREFIX}-service-{i+1}"
server = client.servers.create(
name=name,
server_type=ServerType("cx11"),
image=Image(name="ubuntu-20.04"),
ssh_keys=[ssh_key],
networks=[vnet],
location=Location("hel1"),
user_data=cloud_init_wp1
)
server.action.wait_until_finished()
print(f"Tworzenie serwera: {server.action.complete}")
server = client.servers.get_by_name(name)
print(f"Serwer: {server.data_model.name}\n\tpubliczne IP: {server.data_model.public_net.ipv4.ip}\n\tprywatne IP: {server.data_model.private_net[0].ip}")
servers.append(server)
name = f"{PREFIX}-load-balancer-${i}"
targets = []
for s in servers:
targets.append(LoadBalancerTarget(
type="server",
server=s,
use_private_ip=True
))
load_balancer = client.load_balancers.create(
name=name,
load_balancer_type=LoadBalancerType(name="lb11"),
location=Location("hel1"),
services=[
LoadBalancerService(
protocol="http",
listen_port=8080,
destination_port=8080,
proxyprotocol=False,
health_check=LoadBalancerHealthCheck(
protocol="http",
port="8080",
interval=15,
timeout=10,
retries=3,
http=LoadBalancerHealtCheckHttp(
path="/factors/10",
status_codes=["2??", "3??"],
tls=False
)
)
)
],
targets=targets,
public_interface=True,
network=vnet
)
load_balancer.action.wait_until_finished()
print(f"Tworzenie load balancera {name}: {load_balancer.action.complete}")
load_balancer = client.load_balancers.get_by_name(name)
print(f"Load balancer: {load_balancer.data_model.name}\n\tpubliczne IP: {load_balancer.data_model.public_net.ipv4.ip}")

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#!/usr/bin/python
# -*- coding: utf-8 -*-
from boto3_helper import *
# Check if the user has the Access & Secret key configured
import boto3
from boto3 import Session
session = init_aws_session()
# credentials = session.get_credentials()
# current_credentials = credentials.get_frozen_credentials()
#
# # Break & Exit if any of the key is not present
# if current_credentials.access_key is None:
# print("Access Key missing, use `aws configure` to setup")
# exit()
#
# if current_credentials.secret_key is None:
# print("Secret Key missing, use `aws configure` to setup")
# exit()
#
# VPC design for multi az deployments
globalVars = {}
globalVars['REGION_NAME'] = "ap-south-1"
globalVars['AZ1'] = "ap-south-1a"
globalVars['AZ2'] = "ap-south-1b"
globalVars['CIDRange'] = "10.240.0.0/23"
globalVars['az1_pvtsubnet_CIDRange'] = "10.240.0.0/25"
globalVars['az1_pubsubnet_CIDRange'] = "10.240.0.128/26"
globalVars['az1_sparesubnet_CIDRange'] = "10.240.0.192/26"
globalVars['az2_pvtsubnet_CIDRange'] = "10.240.1.0/25"
globalVars['az2_pubsubnet_CIDRange'] = "10.240.1.128/26"
globalVars['az2_sparesubnet_CIDRange'] = "10.240.1.192/26"
globalVars['Project'] = { 'Key': 'Name', 'Value': 'AutoScaling-Demo'}
globalVars['tags'] = [{'Key': 'Owner', 'Value': 'Miztiik'},
{'Key': 'Environment', 'Value': 'Test'},
{'Key': 'Department', 'Value': 'Valaxy-Training'}]
# EC2 Parameters
globalVars['EC2-RH-AMI-ID'] = "ami-cdbdd7a2"
globalVars['EC2-Amazon-AMI-ID'] = "ami-3c89f653"
globalVars['EC2-InstanceType'] = "t2.micro"
globalVars['EC2-KeyName'] = globalVars['Project']['Value']+'-Key'
# AutoScaling Parameters
globalVars['ASG-LaunchConfigName'] = "ASG-Demo-LaunchConfig"
globalVars['ASG-AutoScalingGroupName'] = "ASG-Demo-AutoScalingGrp"
# RDS Parameters
globalVars['RDS-DBIdentifier'] = "ProdDb01"
globalVars['RDS-Engine'] = "mysql"
globalVars['RDS-DBName'] = "WordPressDB"
globalVars['RDS-DBMasterUserName'] = "WpDdMasterUsr"
globalVars['RDS-DBMasterUserPass'] = "WpDdMasterUsrPass"
globalVars['RDS-DBInstanceClass'] = "db.t2.micro"
globalVars['RDS-DBSubnetGroup'] = "RDS-WP-DB-Subnet-Group"
# Creating a VPC, Subnet, and Gateway
ec2 = boto3.resource('ec2', region_name=globalVars['REGION_NAME'])
ec2Client = boto3.client('ec2', region_name=globalVars['REGION_NAME'])
vpc = ec2.create_vpc(CidrBlock=globalVars['CIDRange'])
asgClient = boto3.client('autoscaling', region_name=globalVars['REGION_NAME'])
rds = boto3.client('rds', region_name=globalVars['REGION_NAME'])
# AZ1 Subnets
az1_pvtsubnet = vpc.create_subnet(CidrBlock=globalVars['az1_pvtsubnet_CIDRange'], AvailabilityZone=globalVars['AZ1'])
az1_pubsubnet = vpc.create_subnet(CidrBlock=globalVars['az1_pubsubnet_CIDRange'], AvailabilityZone=globalVars['AZ1'])
az1_sparesubnet = vpc.create_subnet(CidrBlock=globalVars['az1_sparesubnet_CIDRange'], AvailabilityZone=globalVars['AZ1'])
# AZ2 Subnet
az2_pvtsubnet = vpc.create_subnet(CidrBlock=globalVars['az2_pvtsubnet_CIDRange'], AvailabilityZone=globalVars['AZ2'])
az2_pubsubnet = vpc.create_subnet(CidrBlock=globalVars['az2_pubsubnet_CIDRange'], AvailabilityZone=globalVars['AZ2'])
az2_sparesubnet = vpc.create_subnet(CidrBlock=globalVars['az2_sparesubnet_CIDRange'], AvailabilityZone=globalVars['AZ2'])
# Enable DNS Hostnames in the VPC
vpc.modify_attribute(EnableDnsSupport={'Value': True})
vpc.modify_attribute(EnableDnsHostnames={'Value': True})
# Create the Internet Gatway & Attach to the VPC
intGateway = ec2.create_internet_gateway()
intGateway.attach_to_vpc(VpcId=vpc.id)
# Create another route table for Public & Private traffic
routeTable = ec2.create_route_table(VpcId=vpc.id)
rtbAssn=[]
rtbAssn.append(routeTable.associate_with_subnet(SubnetId=az1_pubsubnet.id))
rtbAssn.append(routeTable.associate_with_subnet(SubnetId=az1_pvtsubnet.id))
rtbAssn.append(routeTable.associate_with_subnet(SubnetId=az2_pubsubnet.id))
rtbAssn.append(routeTable.associate_with_subnet(SubnetId=az2_pvtsubnet.id))
# Create a route for internet traffic to flow out
intRoute = ec2Client.create_route(RouteTableId=routeTable.id, DestinationCidrBlock='0.0.0.0/0', GatewayId=intGateway.id)
# Tag the resources
vpc.create_tags (Tags=globalVars['tags'])
az1_pvtsubnet.create_tags (Tags=globalVars['tags'])
az1_pubsubnet.create_tags (Tags=globalVars['tags'])
az1_sparesubnet.create_tags(Tags=globalVars['tags'])
az2_pvtsubnet.create_tags (Tags=globalVars['tags'])
az2_pubsubnet.create_tags (Tags=globalVars['tags'])
az2_sparesubnet.create_tags(Tags=globalVars['tags'])
intGateway.create_tags (Tags=globalVars['tags'])
routeTable.create_tags (Tags=globalVars['tags'])
vpc.create_tags (Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-vpc'}])
az1_pvtsubnet.create_tags (Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-az1-private-subnet'}])
az1_pubsubnet.create_tags (Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-az1-public-subnet'}])
az1_sparesubnet.create_tags(Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-az1-spare-subnet'}])
az2_pvtsubnet.create_tags (Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-az2-private-subnet'}])
az2_pubsubnet.create_tags (Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-az2-public-subnet'}])
az2_sparesubnet.create_tags(Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-az2-spare-subnet'}])
intGateway.create_tags (Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-igw'}])
routeTable.create_tags (Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-rtb'}])
# Let create the Public & Private Security Groups
elbSecGrp = ec2.create_security_group(DryRun=False,
GroupName='elbSecGrp',
Description='ElasticLoadBalancer_Security_Group',
VpcId=vpc.id
)
pubSecGrp = ec2.create_security_group(DryRun=False,
GroupName='pubSecGrp',
Description='Public_Security_Group',
VpcId=vpc.id
)
pvtSecGrp = ec2.create_security_group(DryRun=False,
GroupName='pvtSecGrp',
Description='Private_Security_Group',
VpcId=vpc.id
)
elbSecGrp.create_tags(Tags=globalVars['tags'])
pubSecGrp.create_tags(Tags=globalVars['tags'])
pvtSecGrp.create_tags(Tags=globalVars['tags'])
elbSecGrp.create_tags(Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-elb-security-group'}])
pubSecGrp.create_tags(Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-public-security-group'}])
pvtSecGrp.create_tags(Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-private-security-group'}])
# Add a rule that allows inbound SSH, HTTP, HTTPS traffic ( from any source )
ec2Client.authorize_security_group_ingress(GroupId=elbSecGrp.id,
IpProtocol='tcp',
FromPort=80,
ToPort=80,
CidrIp='0.0.0.0/0'
)
# Allow Public Security Group to receive traffic from ELB Security group
ec2Client.authorize_security_group_ingress(GroupId=pubSecGrp.id,
IpPermissions=[{'IpProtocol': 'tcp',
'FromPort': 80,
'ToPort': 80,
'UserIdGroupPairs': [{'GroupId': elbSecGrp.id}]
}]
)
# Allow Private Security Group to receive traffic from Application Security group
ec2Client.authorize_security_group_ingress(GroupId=pvtSecGrp.id,
IpPermissions=[{'IpProtocol': 'tcp',
'FromPort': 3306,
'ToPort': 3306,
'UserIdGroupPairs': [{'GroupId': pubSecGrp.id}]
}]
)
ec2Client.authorize_security_group_ingress(GroupId=pubSecGrp.id,
IpProtocol='tcp',
FromPort=80,
ToPort=80,
CidrIp='0.0.0.0/0'
)
ec2Client.authorize_security_group_ingress(GroupId=pubSecGrp.id,
IpProtocol='tcp',
FromPort=443,
ToPort=443,
CidrIp='0.0.0.0/0'
)
ec2Client.authorize_security_group_ingress(GroupId=pubSecGrp.id,
IpProtocol='tcp',
FromPort=22,
ToPort=22,
CidrIp='0.0.0.0/0'
)
# Lets create the key-pair that we will use
## Check if key is already present
customEC2Keys = ec2Client.describe_key_pairs()['KeyPairs']
if not next((key for key in customEC2Keys if key["KeyName"] == globalVars['EC2-KeyName']), False):
ec2_key_pair = ec2.create_key_pair(KeyName=globalVars['EC2-KeyName'])
print("New Private Key created,Save the below key-material\n\n")
print(ec2_key_pair.key_material)
# Using the userdata field, we will download, install & configure our basic word press website.
# The user defined code to install Wordpress, WebServer & Configure them
userDataCode = """
#!/bin/bash
set -e -x
# Setting up the HTTP server
yum install -y httpd php php-mysql mysql-server
service httpd start
service mysqld start
chkconfig httpd on
groupadd www
usermod -a -G www ec2-user
# Download wordpress site & move to http
cd /var/www/
curl -O https://wordpress.org/latest.tar.gz && tar -zxf latest.tar.gz
rm -rf /var/www/html
mv wordpress /var/www/html
# Set the permissions
chown -R root:www /var/www
chmod 2775 /var/www
find /var/www -type d -exec chmod 2775 {} +
find /var/www -type f -exec chmod 0664 {} +
# SE Linux permissive
# needed to make wp connect to DB over newtork
# setsebool -P httpd_can_network_connect=1
# setsebool httpd_can_network_connect_db on
service httpd restart
# Remove below file after testing
echo "<?php phpinfo(); ?>" > /var/www/html/phptestinfo.php
"""
# Create the Public Word Press Instance
##### **DeviceIndex**:The network interface's position in the attachment order. For example, the first attached network interface has a DeviceIndex of 0
instanceLst = ec2.create_instances(ImageId=globalVars['EC2-Amazon-AMI-ID'],
MinCount=1,
MaxCount=1,
KeyName=globalVars['EC2-KeyName'],
UserData=userDataCode,
InstanceType=globalVars['EC2-InstanceType'],
NetworkInterfaces=[
{
'SubnetId': az1_pubsubnet.id,
'Groups': [pubSecGrp.id],
'DeviceIndex': 0,
'DeleteOnTermination': True,
'AssociatePublicIpAddress': True,
}
]
)
# Create the Launch Configuration
# InstanceId = 'string'
asgLaunchConfig = asgClient.create_launch_configuration(
LaunchConfigurationName=globalVars['ASG-LaunchConfigName'],
ImageId=globalVars['EC2-Amazon-AMI-ID'],
KeyName=globalVars['EC2-KeyName'],
SecurityGroups=[pubSecGrp.id],
UserData=userDataCode,
InstanceType=globalVars['EC2-InstanceType'],
InstanceMonitoring={'Enabled': False },
EbsOptimized=False,
AssociatePublicIpAddress=False
)
# create Auto-Scaling Group
ASGSubnets = az1_pubsubnet.id + "," +az2_pubsubnet.id
asGroup=asgClient.create_auto_scaling_group(
AutoScalingGroupName=globalVars['ASG-AutoScalingGroupName'],
LaunchConfigurationName=globalVars['ASG-LaunchConfigName'],
MinSize=1,
MaxSize=3,
DesiredCapacity=2,
DefaultCooldown=120,
HealthCheckType='EC2',
HealthCheckGracePeriod=60,
Tags=globalVars['tags'],
VPCZoneIdentifier=ASGSubnets
)
asgClient.create_or_update_tags(
Tags=[
{
'ResourceId': globalVars['ASG-AutoScalingGroupName'],
'ResourceType': 'auto-scaling-group',
'Key': 'Name',
'Value': globalVars['Project']['Value'] + '-ASG-Group',
'PropagateAtLaunch': True
},
]
)
## First lets create the RDS Subnet Groups
rdsDBSubnetGrp = rds.create_db_subnet_group(DBSubnetGroupName=globalVars['RDS-DBSubnetGroup'],
DBSubnetGroupDescription=globalVars['RDS-DBSubnetGroup'],
SubnetIds=[az1_pvtsubnet.id, az2_pvtsubnet.id],
Tags=[{'Key': 'Name',
'Value': globalVars['Project']['Value'] + '-DB-Subnet-Group'}]
)
rdsInstance = rds.create_db_instance(DBInstanceIdentifier=globalVars['RDS-DBIdentifier'],
AllocatedStorage=5,
DBName=globalVars['RDS-DBName'],
Engine=globalVars['RDS-Engine'],
Port=3306,
# General purpose SSD
StorageType='gp2',
StorageEncrypted=False,
AutoMinorVersionUpgrade=False,
# Set this to true later?
MultiAZ=False,
MasterUsername=globalVars['RDS-DBMasterUserName'],
MasterUserPassword=globalVars['RDS-DBMasterUserPass'],
DBInstanceClass=globalVars['RDS-DBInstanceClass'],
VpcSecurityGroupIds=[pvtSecGrp.id],
DBSubnetGroupName=globalVars['RDS-DBSubnetGroup'],
CopyTagsToSnapshot=True,
Tags=[{'Key': 'Name', 'Value': globalVars['Project']['Value'] + '-RDS-Instance'}])
# Lets wait until the RDS is created successfully
## Polls RDS.Client.describe_db_instances() every 30 seconds until a successful state is reached. An error is returned after 60 failed checks.
waiter = rds.get_waiter('db_instance_available')
waiter.wait(DBInstanceIdentifier=globalVars['RDS-DBIdentifier'])
resp = rds.describe_db_instances(DBInstanceIdentifier= globalVars['RDS-DBIdentifier'])
db_instances = resp['DBInstances']
if len(db_instances) != 1:
raise Exception('Whoa!!! More than one DB instance returned; this should not have happened')
db_instance = db_instances[0]
status = db_instance['DBInstanceStatus']
if status == 'available':
rdsEndpointDict = db_instance['Endpoint']
globalVars['Endpoint'] = rdsEndpointDict['Address']
# port = endpoint['Port']
###### Print to Screen ########
print("VPC ID : {0}".format(vpc.id))
print("AZ1 Public Subnet ID : {0}".format(az1_pubsubnet.id))
print("AZ1 Private Subnet ID : {0}".format(az1_pvtsubnet.id))
print("AZ1 Spare Subnet ID : {0}".format(az1_sparesubnet.id))
print("Internet Gateway ID : {0}".format(intGateway.id))
print("Route Table ID : {0}".format(routeTable.id))
print("Public Security Group ID : {0}".format(pubSecGrp.id))
print("Private Security Group ID : {0}".format(pvtSecGrp.id))
print("EC2 Key Pair : {0}".format(globalVars['EC2-KeyName']))
print("EC2 PublicIP : {0}".format(globalVars['EC2-KeyName']))
print("RDS Endpoint : {0}".format(globalVars['Endpoint']))
###### Print to Screen ########
"""
Function to clean up all the resources
"""
def cleanAll(resourcesDict=None):
# Delete the RDS Instance
waiter = rds.get_waiter('db_instance_deleted')
waiter.wait(DBInstanceIdentifier=globalVars['RDS-DBIdentifier'])
rds.delete_db_instance(DBInstanceIdentifier=globalVars['RDS-DBIdentifier'], SkipFinalSnapshot=True)
# Delete the instances
ids = []
for i in instanceLst:
ids.append(i.id)
ec2.instances.filter(InstanceIds=ids).terminate()
# Wait for the instance to be terminated
waiter = ec2Client.get_waiter('instance_terminated')
waiter.wait(InstanceIds=[ids])
ec2Client.delete_key_pair(KeyName=globalVars['EC2-KeyName'])
# Delete Routes & Routing Table
for assn in rtbAssn:
ec2Client.disassociate_route_table(AssociationId=assn.id)
routeTable.delete()
# Delete Subnets
az1_pvtsubnet.delete()
az1_pubsubnet.delete()
az1_sparesubnet.delete()
# Detach & Delete internet Gateway
ec2Client.detach_internet_gateway(InternetGatewayId=intGateway.id, VpcId=vpc.id)
intGateway.delete()
# Delete Security Groups
pubSecGrp.delete()
pvtSecGrp.delete()
vpc.delete()

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import pprint
from boto3_helper import *
# find a security group that allows port 80 and tcp
security_groups = ec2_get_security_group_list()
for security_group in security_groups:
security_group_ip_perms = security_group['IpPermissions']
for security_group_ip_perm in security_group_ip_perms:
if security_group_ip_perm['IpProtocol'] == 'tcp' and security_group_ip_perm['FromPort'] == 80:
vpc_id = security_group['VpcId']
security_group_id = security_group['GroupId']
break
# find subnet and VPC ID associated with security group
subnet_list = ec2_get_subnet_list()
subnet_id_list = []
for subnet in subnet_list:
if subnet['VpcId'] == vpc_id:
subnet_id_list.append(subnet['SubnetId'])
print (subnet_id_list, vpc_id, security_group_id)
# Create a target group
target_group = elb_create_target_group('unbiased-coder-target-group', vpc_id)
target_group_arn = target_group['TargetGroups'][0]['TargetGroupArn']
session = init_aws_session()
elb = session.client('elbv2')
response = elb.create_load_balancer(
Name='UnbiasedCoderLoadBalancer',
Subnets = subnet_id_list,
SecurityGroups=[
security_group_id,
],
Scheme='internal',
Type='application',
IpAddressType='ipv4',
)
pprint.pprint(response)

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import pprint
from boto3_helper import init_aws_session
session = init_aws_session()
elb = session.client('elbv2')
response = elb.describe_load_balancers()
pprint.pprint(response['LoadBalancers'])

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import os
from urllib import response
import boto3
import pprint
from dotenv import load_dotenv
load_dotenv(dotenv_path="lab4/.env")
def get_aws_keys():
return os.getenv('aws_access_key_id'), os.getenv('aws_secret_access_key')
def init_aws_session():
aws_access_key_id, aws_secret_access_key = get_aws_keys()
return boto3.Session(aws_access_key_id=aws_access_key_id, aws_secret_access_key=aws_secret_access_key, aws_session_token=os.getenv("aws_session_token"), region_name=os.getenv('AWS_REGION'))
def ec2_get_vpc_list():
session = init_aws_session()
ec2 = session.client('ec2')
response = ec2.describe_vpcs()
return response['Vpcs']
def elb_create_target_group(target_group_name, vpc_id):
session = init_aws_session()
elb = session.client('elbv2')
response = elb.create_target_group(Name=target_group_name, Protocol='HTTP', Port=80, VpcId=vpc_id)
return response
def ec2_get_subnet_list():
session = init_aws_session()
ec2 = session.client('ec2')
response = ec2.describe_subnets()
return response['Subnets']
def ec2_get_security_group_list():
session = init_aws_session()
ec2 = session.client('ec2')
response = ec2.describe_security_groups()
return response['SecurityGroups']
# src: https://unbiased-coder.com/boto3-load-balancer-guide/

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import os
import boto.ec2.elb
from dotenv import load_dotenv
load_dotenv(dotenv_path="lab4/.env")
region_name=os.getenv('AWS_REGION')
elb = boto.ec2.elb.connect_to_region(region_name)
print(elb)

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lab4/prime.py Normal file
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import requests
import random
import math
import time
import threading
import logging
logging.getLogger().setLevel(logging.INFO)
API_URL="http://localhost:8080"
UNIT = 5.0 # secs
# Pre generated primes
first_primes_list = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29,
31, 37, 41, 43, 47, 53, 59, 61, 67,
71, 73, 79, 83, 89, 97, 101, 103,
107, 109, 113, 127, 131, 137, 139,
149, 151, 157, 163, 167, 173, 179,
181, 191, 193, 197, 199, 211, 223,
227, 229, 233, 239, 241, 251, 257,
263, 269, 271, 277, 281, 283, 293,
307, 311, 313, 317, 331, 337, 347, 349]
def nBitRandom(n):
return random.randrange(2**(n-1)+1, 2**n - 1)
def getLowLevelPrime(n):
'''Generate a prime candidate divisible
by first primes'''
while True:
# Obtain a random number
pc = nBitRandom(n)
# Test divisibility by pre-generated
# primes
for divisor in first_primes_list:
if pc % divisor == 0 and divisor**2 <= pc:
break
else: return pc
def isMillerRabinPassed(mrc):
'''Run 20 iterations of Rabin Miller Primality test'''
maxDivisionsByTwo = 0
ec = mrc-1
while ec % 2 == 0:
ec >>= 1
maxDivisionsByTwo += 1
assert(2**maxDivisionsByTwo * ec == mrc-1)
def trialComposite(round_tester):
if pow(round_tester, ec, mrc) == 1:
return False
for i in range(maxDivisionsByTwo):
if pow(round_tester, 2**i * ec, mrc) == mrc-1:
return False
return True
# Set number of trials here
numberOfRabinTrials = 20
for i in range(numberOfRabinTrials):
round_tester = random.randrange(2, mrc)
if trialComposite(round_tester):
return False
return True
def random_large_prime(bits):
while True:
prime_candidate = getLowLevelPrime(bits)
if not isMillerRabinPassed(prime_candidate):
continue
else:
return prime_candidate
def thread_function(i, fast, timeout):
start = time.time()
c = 5 # bits: 20: 200ms; 21: 350ms; 22: 700ms 23: 1.5s; 25: 6s; 26: 10s; 27: 24s
bits = 19 if fast else 23
last_report = time.time()
processing_time = 0.0
reqs = 0
while True:
iter_start = time.time()
if iter_start - start > timeout:
logging.info("Thread: %d\treqs: %d\tmean time: %.3fs\t%s"%(i, reqs, processing_time/reqs if reqs>0 else 0.0, "fast\t" if fast else ""))
results[i][iter_start] = processing_time/reqs if reqs>0 else 0.0
return
if iter_start - last_report > UNIT/2:
if len(results[i])%2 == 0:
logging.info("Thread: %d\treqs: %d\tmean time: %.3fs\t%s"%(i, reqs, processing_time/reqs if reqs>0 else 0.0, "fast\t" if fast else ""))
results[i][iter_start] = processing_time/reqs if reqs>0 else 0.0
processing_time = 0.0
reqs = 0
last_report=iter_start
factors = [random_large_prime(bits) for i in range(c)]
factors.sort()
n=math.prod(factors)
r = requests.get(API_URL+'/factors/%d'%(n))
if r.status_code != 200:
logging.error("wrong status code from webservice")
else:
result = r.json()
if result != factors:
logging.error("Wrong factors")
processing_time+=time.time() - iter_start
reqs+=1
time.sleep(0.5)
START = time.time()
slow_threads = 4
results = [ {} for i in range(slow_threads+1)]
t0 = threading.Thread(target=thread_function, args=(0, True, (5 + slow_threads*3) * UNIT))
t0.start()
time.sleep(2 * UNIT)
for i in range(slow_threads):
t = threading.Thread(target=thread_function, args=(i+1, False, (slow_threads-i) * 3 * UNIT))
t.start()
time.sleep(2 * UNIT)
t0.join()