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cloud-computing-msc-ai-examples
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added demos

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Sebastian Rieger 6 years ago
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  1. 241
      aws-turnserver/start.py
  2. 45
      aws-turnserver/stop.py

241
aws-turnserver/start.py
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import boto3
from botocore.exceptions import ClientError
region = 'eu-central-1'
availabilityZone = 'eu-central-1b'
imageId = 'ami-0cc293023f983ed53'
instanceType = 't3.nano'
keyName = 'srieger-pub'
userData = ('#!/bin/bash\n'
'COTURN_VERSION="4.5.1.1"\n'
'LIBEVENT_VERSION="2.0.21"\n'
'\n'
'# extra repo for RedHat rpms\n'
'yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm\n'
'# essential tools\n'
'yum install -y joe htop git\n'
'# coturn requirements\n'
'yum install -y gcc openssl-devel\n'
'yum install -y sqlite-devel mysql-devel hiredis-devel mongo-c-driver-devel\n'
'\n'
'### libevent installation ###\n'
'wget https://github.com/downloads/libevent/libevent/libevent-$LIBEVENT_VERSION-stable.tar.gz\n'
'\n'
'tar xvfz libevent-$LIBEVENT_VERSION-stable.tar.gz\n'
'cd libevent-$LIBEVENT_VERSION-stable\n'
'./configure\n'
'make\n'
'make install\n'
'\n'
'### turnserver installation ###\n'
'wget https://coturn.net/turnserver/v$COTURN_VERSION/turnserver-$COTURN_VERSION.tar.gz\n'
'tar xvfz turnserver-$COTURN_VERSION.tar.gz\n'
'cd turnserver-$COTURN_VERSION\n'
'./configure\n'
'make\n'
'make install\n'
'\n'
'openssl req -new -subj "/CN=coturn" -newkey rsa:4096 -x509 -sha256 -days 365 -nodes -out /usr/local/etc/turn_server_cert.pem -keyout /usr/local/etc/turn_server_pkey.pem\n'
'\n'
'/usr/local/bin/turnadmin -a -u srieger -r hs-fulda.de -p coturnserver2019\n'
'/usr/local/bin/turnadmin -A -u srieger -p coturnserver2019\n'
'\n'
'MAC_ETH0=$(cat /sys/class/net/eth0/address)\n'
'MAC_ETH1=$(cat /sys/class/net/eth1/address)\n'
'LOCAL_IPV4S_ETH0=$(curl http://169.254.169.254/latest/meta-data/network/interfaces/macs/$MAC_ETH0/local-ipv4s)\n'
'LOCAL_IPV4S_ETH1=$(curl http://169.254.169.254/latest/meta-data/network/interfaces/macs/$MAC_ETH1/local-ipv4s)\n'
'PUBLIC_IPV4S_ETH0=$(curl http://169.254.169.254/latest/meta-data/network/interfaces/macs/$MAC_ETH0/public-ipv4s)\n'
'PUBLIC_IPV4S_ETH1=$(curl http://169.254.169.254/latest/meta-data/network/interfaces/macs/$MAC_ETH1/public-ipv4s)\n'
'\n'
'cat <<EOF > /usr/local/etc/turnserver.conf\n'
'verbose\n'
'listening-ip=$LOCAL_IPV4S_ETH0\n'
'listening-ip=$LOCAL_IPV4S_ETH1\n'
'relay-ip=$LOCAL_IPV4S_ETH0\n'
'relay-ip=$LOCAL_IPV4S_ETH1\n'
'external-ip=$PUBLIC_IPV4S_ETH0/$LOCAL_IPV4S_ETH0\n'
'external-ip=$PUBLIC_IPV4S_ETH1/$LOCAL_IPV4S_ETH1\n'
'fingerprint\n'
'lt-cred-mech\n'
'#use-auth-secret\n'
'#static-auth-secret=751c45cae60a2839711a94c8d6bf0089e78b2149ca602fdXXXXXXXXXXXXXXXXX\n'
'realm=hs-fulda.de\n'
'total-quota=100\n'
'stale-nonce\n'
'cipher-list="ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AES:RSA+3DES:!ADH:!AECDH:!MD5"\n'
'#no-stun\n'
'#no-loopback-peers\n'
'#no-multicast-peers\n'
'cli-password=coturnserver2019\n'
'web-admin\n'
'web-admin-ip=$LOCAL_IPV4S_ETH0\n'
'EOF\n'
'\n'
'/usr/local/bin/turnserver\n'
)
# convert with: cat install-coturn | sed "s/^/'/; s/$/\\\n'/"
client = boto3.setup_default_session(region_name=region)
ec2Client = boto3.client("ec2")
ec2Resource = boto3.resource('ec2')
response = ec2Client.describe_vpcs()
vpc_id = response.get('Vpcs', [{}])[0].get('VpcId', '')
subnet_id = ec2Client.describe_subnets(
Filters=[
{
'Name': 'availability-zone', 'Values': [availabilityZone]
}
])['Subnets'][0]['SubnetId']
print("Deleting old instance...")
print("------------------------------------")
response = ec2Client.describe_instances(Filters=[{'Name': 'tag-key', 'Values': ['coturn']}])
print(response)
reservations = response['Reservations']
for reservation in reservations:
for instance in reservation['Instances']:
if instance['State']['Name'] == "running" or instance['State']['Name'] == "pending":
response = ec2Client.terminate_instances(InstanceIds=[instance['InstanceId']])
print(response)
instanceToTerminate = ec2Resource.Instance(instance['InstanceId'])
instanceToTerminate.wait_until_terminated()
print("Delete old security group...")
print("------------------------------------")
try:
response = ec2Client.delete_security_group(GroupName='coturn')
except ClientError as e:
print(e)
print("Delete old elastic ips...")
print("------------------------------------")
try:
response = ec2Client.describe_addresses(Filters=[{'Name': 'tag-key', 'Values': ['coturn']}])
addresses = response['Addresses']
for address in addresses:
ec2Client.release_address(AllocationId=address['AllocationId'])
except ClientError as e:
print(e)
print("Create security group...")
print("------------------------------------")
try:
response = ec2Client.create_security_group(GroupName='coturn',
Description='coturn',
VpcId=vpc_id)
security_group_id = response['GroupId']
print('Security Group Created %s in vpc %s.' % (security_group_id, vpc_id))
data = ec2Client.authorize_security_group_ingress(
GroupId=security_group_id,
IpPermissions=[
{'IpProtocol': 'tcp',
'FromPort': 3478,
'ToPort': 3478,
'IpRanges': [{'CidrIp': '0.0.0.0/0'}]},
{'IpProtocol': 'udp',
'FromPort': 3478,
'ToPort': 3478,
'IpRanges': [{'CidrIp': '0.0.0.0/0'}]},
{'IpProtocol': 'tcp',
'FromPort': 5349,
'ToPort': 5349,
'IpRanges': [{'CidrIp': '0.0.0.0/0'}]},
{'IpProtocol': 'udp',
'FromPort': 5349,
'ToPort': 5349,
'IpRanges': [{'CidrIp': '0.0.0.0/0'}]},
{'IpProtocol': 'tcp',
'FromPort': 8080,
'ToPort': 8080,
'IpRanges': [{'CidrIp': '0.0.0.0/0'}]},
{'IpProtocol': 'udp',
'FromPort': 49152,
'ToPort': 65535,
'IpRanges': [{'CidrIp': '0.0.0.0/0'}]},
{'IpProtocol': 'tcp',
'FromPort': 22,
'ToPort': 22,
'IpRanges': [{'CidrIp': '0.0.0.0/0'}]}
])
print('Ingress Successfully Set %s' % data)
except ClientError as e:
print(e)
print("Allocate additional elastic ips...")
print("------------------------------------")
response = ec2Client.allocate_address(
Domain='vpc',
)
firstIpAddressAllocationId = response['AllocationId']
ec2Client.create_tags(Resources=[firstIpAddressAllocationId], Tags=[{'Key': 'coturn', 'Value': 'installed'}])
response = ec2Client.allocate_address(
Domain='vpc',
)
secondIpAddressAllocationId = response['AllocationId']
ec2Client.create_tags(Resources=[secondIpAddressAllocationId], Tags=[{'Key': 'coturn', 'Value': 'installed'}])
print("Running new instance...")
print("------------------------------------")
response = ec2Client.run_instances(
ImageId=imageId,
InstanceType=instanceType,
Placement={'AvailabilityZone': availabilityZone, },
KeyName=keyName,
MinCount=1,
MaxCount=1,
UserData=userData,
NetworkInterfaces=[
{
'DeviceIndex': 0,
'Groups': [
security_group_id,
],
'SubnetId': subnet_id,
},
{
'DeviceIndex': 1,
'Groups': [
security_group_id,
],
'SubnetId': subnet_id,
},
],
TagSpecifications=[
{
'ResourceType': 'instance',
'Tags': [
{'Key': 'coturn', 'Value': 'installed'}
],
}
],
)
instanceId = response['Instances'][0]['InstanceId']
firstNetworkInterfaceId = response['Instances'][0]['NetworkInterfaces'][0]['NetworkInterfaceId']
secondNetworkInterfaceId = response['Instances'][0]['NetworkInterfaces'][1]['NetworkInterfaceId']
instance = ec2Resource.Instance(instanceId)
instance.wait_until_running()
response = ec2Client.associate_address(
AllocationId=firstIpAddressAllocationId,
NetworkInterfaceId=firstNetworkInterfaceId,
)
response = ec2Client.associate_address(
AllocationId=secondIpAddressAllocationId,
NetworkInterfaceId=secondNetworkInterfaceId,
)
print(instanceId)

45
aws-turnserver/stop.py
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import boto3
from botocore.exceptions import ClientError
region = 'eu-central-1'
client = boto3.setup_default_session(region_name=region)
ec2Client = boto3.client("ec2")
ec2Resource = boto3.resource('ec2')
response = ec2Client.describe_vpcs()
vpc_id = response.get('Vpcs', [{}])[0].get('VpcId', '')
print("Deleting old instance...")
print("------------------------------------")
response = ec2Client.describe_instances(Filters=[{'Name': 'tag-key', 'Values': ['coturn']}])
print(response)
reservations = response['Reservations']
for reservation in reservations:
for instance in reservation['Instances']:
if instance['State']['Name'] == "running" or instance['State']['Name'] == "pending":
response = ec2Client.terminate_instances(InstanceIds=[instance['InstanceId']])
print(response)
instanceToTerminate = ec2Resource.Instance(instance['InstanceId'])
instanceToTerminate.wait_until_terminated()
print("Delete old security group...")
print("------------------------------------")
try:
response = ec2Client.delete_security_group(GroupName='coturn')
except ClientError as e:
print(e)
print("Delete old elastic ips...")
print("------------------------------------")
try:
response = ec2Client.describe_addresses(Filters=[{'Name': 'tag-key', 'Values': ['coturn']}])
addresses = response['Addresses']
for address in addresses:
ec2Client.release_address(AllocationId=address['AllocationId'])
except ClientError as e:
print(e)
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