pzc-hetzner/balancer/hetzner.py
Andrzej Preibisz 509b3bf63b AWS
2023-01-15 19:31:36 +01:00

152 lines
4.8 KiB
Python

from hcloud import Client
from hcloud.networks.domain import NetworkSubnet
from hcloud.locations.domain import Location
from hcloud.server_types.domain import ServerType
from hcloud.images.domain import Image
from hcloud.load_balancers.domain import (
LoadBalancerService,
LoadBalancerServiceHttp,
LoadBalancerHealthCheck,
LoadBalancerHealtCheckHttp,
LoadBalancerTarget
)
from hcloud.load_balancer_types.domain import LoadBalancerType
TOKEN = 'KccUEiddxtzGoLWSNC3V8tylq7MYHCjdnShtgasQ8jSbHqCjGoaa6Rq7yoz4uS23'
SSH_PUBKEY = ''
cloud_init = """#cloud-config
packages:
- apt-transport-https
- ca-certificates
- curl
- gnupg-agent
- software-properties-common
runcmd:
- curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
- add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
- apt-get update -y
- apt-get install -y docker-ce docker-ce-cli containerd.io
- curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
- chmod +x /usr/local/bin/docker-compose
- systemctl start docker
- systemctl enable docker
- git clone https://git.wmi.amu.edu.pl/s444465/pzc-hetzner.git
- cd pzc-hetzner/balancer
- docker build -t webservice .
- docker run -d -p 80:8080 -t webservice"""
PREFIX = '444465'
key_name = f'{PREFIX}-key'
net_name = f'{PREFIX}-vnet'
if __name__ == '__main__':
client = Client(token=TOKEN)
ssh_key = client.ssh_keys.get_by_name(key_name) or None
if not ssh_key:
ssh_key = client.ssh_keys.create(name=key_name, public_key=SSH_PUBKEY)
vnet = client.networks.get_by_name(net_name) or None
if not vnet:
vnet = client.networks.create(
name=net_name,
ip_range='10.10.10.0/24',
subnets=[
NetworkSubnet(ip_range='10.10.10.0/24',
network_zone='eu-central',
type='cloud')
]
)
server1 = client.servers.create(
name=f'{PREFIX}-webservice-1',
server_type=ServerType('cx11'),
image=Image(name='ubuntu-20.04'),
ssh_keys=[ssh_key],
networks=[vnet],
location=Location('hel1'),
user_data=cloud_init
)
server1.action.wait_until_finished()
print(f'Server 1 created: {server1.action.complete}')
server1 = client.servers.get_by_name(f'{PREFIX}-webservice-1')
server2 = client.servers.create(
name=f'{PREFIX}-webservice-2',
server_type=ServerType('cx11'),
image=Image(name='ubuntu-20.04'),
ssh_keys=[ssh_key],
networks=[vnet],
location=Location('hel1'),
user_data=cloud_init
)
server2.action.wait_until_finished()
print(f'Server 2 created: {server2.action.complete}')
server2 = client.servers.get_by_name(f'{PREFIX}-webservice-2')
server3 = client.servers.create(
name=f'{PREFIX}-webservice-3',
server_type=ServerType('cx11'),
image=Image(name='ubuntu-20.04'),
ssh_keys=[ssh_key],
networks=[vnet],
location=Location('hel1'),
user_data=cloud_init
)
server3.action.wait_until_finished()
print(f'Server 3 created: {server3.action.complete}')
server3 = client.servers.get_by_name(f'{PREFIX}-webservice-3')
load_balancer = client.load_balancers.create(
name=f'{PREFIX}-load-balancer',
load_balancer_type=LoadBalancerType(name='lb11'),
location=Location('hel1'),
network=vnet,
targets=[
LoadBalancerTarget(
type='server',
server=server1,
use_private_ip=True,
),
LoadBalancerTarget(
type='server',
server=server2,
use_private_ip=True,
),
LoadBalancerTarget(
type='server',
server=server3,
use_private_ip=True,
)
],
services=[
LoadBalancerService(
protocol='http',
listen_port=80,
destination_port=80,
health_check=LoadBalancerHealthCheck(
protocol='http',
port=80,
interval=15,
timeout=10,
retries=3,
http=LoadBalancerHealtCheckHttp(
path='/factors/10',
status_codes=['2??', '3??'],
tls=False,
)
),
http=LoadBalancerServiceHttp(
cookie_name='HCLBSTICKY',
cookie_lifetime=300,
sticky_sessions=True,
certificates=[],
)
),
]
)