mirror of https://github.com/dswd/vpncloud.git
390 lines
15 KiB
Python
Executable File
390 lines
15 KiB
Python
Executable File
#!/usr/bin/env python3
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import boto3
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import atexit
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import paramiko
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import io
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import time
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import threading
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import re
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import json
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import base64
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import sys
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from datetime import date
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# Note: this script will run for ~8 minutes and incur costs of about $ 0.02
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REGION = "eu-central-1"
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AMI = "ami-0a02ee601d742e89f"
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USERNAME = "ec2-user"
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INSTANCE_TYPE = "m5.large"
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SPOT = True
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MAX_PRICE = "0.08" # USD per hour per VM
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VERSION = "1.4.0"
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USERDATA = """#cloud-config
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packages:
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- iperf3
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runcmd:
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- wget https://github.com/dswd/vpncloud/releases/download/v{version}/vpncloud_{version}.x86_64.rpm -O /tmp/vpncloud.rpm
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- yum install -y /tmp/vpncloud.rpm
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""".format(version=VERSION)
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MAX_WAIT = 300
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CRYPTO = ["aes256", "aes128", "chacha20"] if VERSION >= "1.5.0" else ["aes256", "chacha20"]
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def eprint(*args, **kwargs):
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print(*args, file=sys.stderr, **kwargs)
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def run_cmd(connection, cmd):
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_stdin, stdout, stderr = connection.exec_command(cmd)
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out = stdout.read().decode('utf-8')
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err = stderr.read().decode('utf-8')
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code = stdout.channel.recv_exit_status()
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if code:
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raise Exception("Command failed", code, out, err)
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else:
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return out, err
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class EC2Environment:
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def __init__(self):
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self.vpc = None
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self.igw = None
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self.rtb = None
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self.subnet = None
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self.sg = None
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self.key_pair = None
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self.rsa_key = None
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self.placement_group = None
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self.sender = None
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self.receiver = None
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self.sender_request = None
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self.receiver_request = None
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self.sender_ssh = None
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self.receiver_ssh = None
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try:
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eprint("Setting up resources...")
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self.setup()
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self.wait_until_ready()
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eprint("Setup done")
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except:
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eprint("Error, shutting down")
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self.terminate()
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raise
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def setup(self):
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ec2 = boto3.resource('ec2', region_name=REGION)
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ec2client = boto3.client('ec2', region_name=REGION)
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self.vpc = ec2.create_vpc(CidrBlock='172.16.0.0/16')
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eprint("\tCreated VPC {}".format(self.vpc.id))
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self.vpc.create_tags(Tags=[{"Key": "Name", "Value": "vpncloud-perf-test"}])
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self.vpc.wait_until_available()
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ec2client.modify_vpc_attribute(VpcId=self.vpc.id, EnableDnsSupport={'Value': True})
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ec2client.modify_vpc_attribute(VpcId=self.vpc.id, EnableDnsHostnames={'Value': True})
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self.igw = ec2.create_internet_gateway()
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eprint("\tCreated Internet Gateway {}".format(self.igw.id))
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self.igw.attach_to_vpc(VpcId=self.vpc.id)
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self.rtb = self.vpc.create_route_table()
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eprint("\tCreated Routing table {}".format(self.rtb.id))
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self.rtb.create_route(DestinationCidrBlock='0.0.0.0/0', GatewayId=self.igw.id)
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self.subnet = ec2.create_subnet(CidrBlock='172.16.1.0/24', VpcId=self.vpc.id)
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eprint("\tCreated Subnet {}".format(self.subnet.id))
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self.rtb.associate_with_subnet(SubnetId=self.subnet.id)
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self.sg = ec2.create_security_group(GroupName='SSH-ONLY', Description='only allow SSH traffic', VpcId=self.vpc.id)
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eprint("\tCreated security group {}".format(self.sg.id))
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self.sg.authorize_ingress(CidrIp='0.0.0.0/0', IpProtocol='tcp', FromPort=22, ToPort=22)
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self.sg.authorize_ingress(CidrIp='172.16.1.0/24', IpProtocol='icmp', FromPort=-1, ToPort=-1)
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self.sg.authorize_ingress(CidrIp='172.16.1.0/24', IpProtocol='tcp', FromPort=0, ToPort=65535)
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self.sg.authorize_ingress(CidrIp='172.16.1.0/24', IpProtocol='udp', FromPort=0, ToPort=65535)
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self.key_pair = ec2.create_key_pair(KeyName='vpncloud-perf-test-keypair')
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eprint("\tCreated key pair {}".format(self.key_pair.name))
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self.rsa_key = paramiko.RSAKey.from_private_key(io.StringIO(self.key_pair.key_material))
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self.placement_group = ec2.create_placement_group(GroupName="vpncloud-test-placement", Strategy="cluster")
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eprint("\tCreated placement group {}".format(self.placement_group.name))
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if SPOT:
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response = ec2client.request_spot_instances(
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SpotPrice = MAX_PRICE,
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Type = "one-time",
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InstanceCount = 2,
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LaunchSpecification = {
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"ImageId": AMI,
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"InstanceType": INSTANCE_TYPE,
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"KeyName": self.key_pair.name,
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"UserData": base64.b64encode(USERDATA.encode("ascii")).decode('ascii'),
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"BlockDeviceMappings": [
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{
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"DeviceName": "/dev/xvda",
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"Ebs": {
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"DeleteOnTermination": True,
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"VolumeType": "gp2",
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"VolumeSize": 8,
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}
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}
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],
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"NetworkInterfaces": [
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{
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'SubnetId': self.subnet.id,
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'DeviceIndex': 0,
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'AssociatePublicIpAddress': True,
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'Groups': [self.sg.group_id]
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}
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],
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"Placement": {
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'GroupName': self.placement_group.name
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}
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}
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)
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sender, receiver = response['SpotInstanceRequests']
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self.sender_request = sender['SpotInstanceRequestId']
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self.receiver_request = receiver['SpotInstanceRequestId']
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eprint("\tCreated spot instance requests {} and {}".format(self.sender_request, self.receiver_request))
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eprint("\tWaiting for spot instance requests")
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waited = 0
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while waited < MAX_WAIT:
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time.sleep(1.0)
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response = ec2client.describe_spot_instance_requests(SpotInstanceRequestIds=[self.sender_request])
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sender = response['SpotInstanceRequests'][0]
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response = ec2client.describe_spot_instance_requests(SpotInstanceRequestIds=[self.receiver_request])
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receiver = response['SpotInstanceRequests'][0]
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if 'InstanceId' in sender:
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self.sender = ec2.Instance(sender['InstanceId'])
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if 'InstanceId' in receiver:
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self.receiver = ec2.Instance(receiver['InstanceId'])
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if self.sender and self.receiver:
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break
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if waited >= MAX_WAIT:
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raise Exception("Waited too long")
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else:
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self.sender, self.receiver = ec2.create_instances(
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ImageId=AMI,
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InstanceType=INSTANCE_TYPE,
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MaxCount=2,
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MinCount=2,
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NetworkInterfaces=[
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{
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'SubnetId': self.subnet.id,
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'DeviceIndex': 0,
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'AssociatePublicIpAddress': True,
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'Groups': [self.sg.group_id]
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}
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],
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Placement={
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'GroupName': self.placement_group.name
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},
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UserData=USERDATA,
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KeyName='vpncloud-perf-test-keypair'
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)
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eprint("\tCreated EC2 instances {} and {}".format(self.sender.id, self.receiver.id))
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eprint("\tWaiting for instances to start...")
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self.sender.wait_until_running()
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self.receiver.wait_until_running()
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self.sender.reload()
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self.receiver.reload()
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def wait_until_ready(self):
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waited = 0
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eprint("\tWaiting for SSH to be ready...")
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while waited < MAX_WAIT:
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try:
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if not self.sender_ssh:
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self.sender_ssh = self._connect(self.sender)
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if not self.receiver_ssh:
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self.receiver_ssh = self._connect(self.receiver)
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break
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except:
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pass
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time.sleep(1.0)
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waited += 1
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eprint("\tWaiting for instances to finish setup...")
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while waited < MAX_WAIT:
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try:
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run_cmd(self.sender_ssh, 'test -f /var/lib/cloud/instance/boot-finished')
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run_cmd(self.receiver_ssh, 'test -f /var/lib/cloud/instance/boot-finished')
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break
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except:
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pass
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time.sleep(1.0)
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waited += 1
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if waited >= MAX_WAIT:
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raise Exception("Waited too long")
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def terminate(self):
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eprint("Deleting resources...")
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if self.sender_ssh:
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self.sender_ssh.close()
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if self.receiver_ssh:
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self.receiver_ssh.close()
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if self.sender:
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eprint(self.sender.id)
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self.sender.terminate()
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if self.receiver:
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eprint(self.receiver.id)
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self.receiver.terminate()
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if self.sender:
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self.sender.wait_until_terminated()
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if self.receiver:
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self.receiver.wait_until_terminated()
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if self.sender_request or self.receiver_request:
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ec2client = boto3.client('ec2', region_name=REGION)
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if self.sender_request:
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eprint(self.sender_request)
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ec2client.cancel_spot_instance_requests(SpotInstanceRequestIds=[self.sender_request])
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if self.receiver_request:
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eprint(self.receiver_request)
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ec2client.cancel_spot_instance_requests(SpotInstanceRequestIds=[self.receiver_request])
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if self.placement_group:
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self.placement_group.delete()
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if self.key_pair:
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eprint(self.key_pair.name)
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self.key_pair.delete()
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if self.sg:
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eprint(self.sg.id)
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self.sg.delete()
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if self.subnet:
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eprint(self.subnet.id)
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self.subnet.delete()
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if self.rtb:
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eprint(self.rtb.id)
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self.rtb.delete()
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if self.igw:
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eprint(self.igw.id)
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self.igw.detach_from_vpc(VpcId=self.vpc.id)
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self.igw.delete()
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if self.vpc:
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eprint(self.vpc.id)
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self.vpc.delete()
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def _connect(self, instance):
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client = paramiko.SSHClient()
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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client.connect(hostname=instance.public_dns_name, username=USERNAME, pkey=self.rsa_key, timeout=1.0, banner_timeout=1.0)
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return client
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class PerfTest:
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def __init__(self, sender_ssh, sender_ip, receiver_ssh, receiver_ip):
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self.sender_ssh = sender_ssh
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self.sender_ip = sender_ip
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self.receiver_ssh = receiver_ssh
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self.receiver_ip = receiver_ip
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self.sender_ip_vpncloud = "10.0.0.1"
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self.receiver_ip_vpncloud = "10.0.0.2"
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@classmethod
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def from_ec2_env(cls, env):
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return cls(env.sender_ssh, env.sender.private_ip_address, env.receiver_ssh, env.receiver.private_ip_address)
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def run_sender(self, cmd):
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return run_cmd(self.sender_ssh, cmd)
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def run_receiver(self, cmd):
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return run_cmd(self.receiver_ssh, cmd)
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def run_ping(self, dst, size):
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eprint("\tRunning ping {} with size {} ...".format(dst, size))
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(out, _) = self.run_sender('sudo ping {dst} -c 30000 -i 0.001 -s {size} -U -q'.format(dst=dst, size=size))
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match = re.search(r'([\d]*\.[\d]*)/([\d]*\.[\d]*)/([\d]*\.[\d]*)/([\d]*\.[\d]*)', out)
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ping_min = float(match.group(1))
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ping_avg = float(match.group(2))
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ping_max = float(match.group(3))
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match = re.search(r'(\d*)% packet loss', out)
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pkt_loss = float(match.group(1))
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return {
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"rtt_min": ping_min,
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"rtt_max": ping_max,
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"rtt_avg": ping_avg,
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"pkt_loss": pkt_loss
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}
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def run_iperf(self, dst):
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eprint("\tRunning iperf on {} ...".format(dst))
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self.run_receiver('iperf3 -s -D')
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time.sleep(0.1)
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(out, _) = self.run_sender('iperf3 -c {dst} -t 30 --json'.format(dst=dst))
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self.run_receiver('killall iperf3')
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data = json.loads(out)
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return {
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"throughput": data['end']['streams'][0]['receiver']['bits_per_second'],
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"cpu_sender": data['end']['cpu_utilization_percent']['host_total'],
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"cpu_receiver": data['end']['cpu_utilization_percent']['remote_total']
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}
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def run_suite(self, dst):
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return {
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"iperf": self.run_iperf(dst),
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"ping_100": self.run_ping(dst, 100),
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"ping_500": self.run_ping(dst, 500),
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"ping_1000": self.run_ping(dst, 1000),
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}
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def start_vpncloud(self, mtu=8800, crypto=None):
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eprint("\tSetting up vpncloud on receiver")
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crypto_str = " --shared-key test --crypto {}".format(crypto) if crypto else ""
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args = "-t tap --daemon -l 3210 --no-port-forwarding" + crypto_str
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self.run_receiver("sudo vpncloud {args} --ifup 'ifconfig $IFNAME {ip}/24 mtu {mtu} up'".format(args=args, mtu=mtu, ip=self.receiver_ip_vpncloud))
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eprint("\tSetting up vpncloud on sender")
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self.run_sender("sudo vpncloud {args} -c {peer}:3210 --ifup 'ifconfig $IFNAME {ip}/24 mtu {mtu} up'".format(args=args, mtu=mtu, ip=self.sender_ip_vpncloud, peer=self.receiver_ip))
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time.sleep(1.0)
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def stop_vpncloud(self):
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self.run_sender("sudo killall vpncloud")
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self.run_receiver("sudo killall vpncloud")
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time.sleep(3.0)
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def run(self):
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eprint("Testing native network")
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results = {
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"meta": {
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"region": REGION,
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"instance_type": INSTANCE_TYPE,
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"ami": AMI,
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"version": VERSION
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},
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"native": self.run_suite(self.receiver_ip)
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}
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for crypto in [None] + CRYPTO:
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eprint("Running with crypto {}".format(crypto or "plain"))
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self.start_vpncloud(mtu=8800, crypto=crypto)
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res = self.run_suite(self.receiver_ip_vpncloud)
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self.stop_vpncloud()
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results[str(crypto or "plain")] = res
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results['results'] = {
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"throughput_mbits": dict([
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(k, results[k]["iperf"]["throughput"] / 1000000.0) for k in ["native", "plain"] + CRYPTO
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]),
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"latency_us": dict([
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(k, dict([
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(str(s), (results[k]["ping_%s" % s]["rtt_avg"] - results["native"]["ping_%s" % s]["rtt_avg"])*1000.0/2.0) for s in [100, 500, 1000]
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])) for k in ["plain"] + CRYPTO
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])
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}
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return results
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env = EC2Environment()
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atexit.register(lambda: env.terminate())
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perf = PerfTest.from_ec2_env(env)
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start = time.time()
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results = perf.run()
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duration = time.time() - start
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results["meta"]["duration"] = duration
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name = "{date}_{version}_perf.json".format(date=date.today().strftime('%Y-%m-%d'), version=VERSION)
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eprint('Storing results in {}'.format(name))
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with open(name, 'w') as fp:
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json.dump(results, fp, indent=2)
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eprint("done.") |