cloud/Public_cloud/loadbalancer-init.py
2023-01-22 16:51:01 +01:00

105 lines
3.5 KiB
Python

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 LoadBalancerTarget, LoadBalancerService, LoadBalancerHealthCheck, LoadBalancerHealtCheckHttp
from pathlib import Path
with open("../token.txt", "r") as file:
api_token = file.read().strip()
with open(f'{str(Path.home())}/.ssh/id_ed25519.pub', 'r') as file:
ssh_key = file.readline()
client = Client(token=api_token)
PREFIX = "s444498"
try:
ssh_key = client.ssh_keys.create(name=f"{PREFIX}-pzc-ssh-key-2", public_key=ssh_key)
print(f"Key {ssh_key.data_model.name} created: {ssh_key.data_model.public_key}")
except:
ssh_key = client.ssh_keys.get_by_name(f"{PREFIX}-pzc-ssh-key-2")
print(f"Key {ssh_key.data_model.name} already in use: {ssh_key.data_model.public_key}")
NUM_OF_SERVERS = 5
loadbalancer_targets = []
try:
vnet = client.networks.create(
name=f"{PREFIX}-pzc-test-vnet",
ip_range="10.10.10.0/24",
subnets=[
NetworkSubnet(ip_range="10.10.10.0/24", network_zone="eu-central", type="cloud")
]
)
print(f"Created network: {vnet.data_model.name} ({vnet.data_model.ip_range})")
except:
vnet = client.networks.get_by_name(
f"{PREFIX}-pzc-test-vnet",
)
print(f"Network in use: {vnet.data_model.name} ({vnet.data_model.ip_range})")
webservice_init=r'''
#cloud-config
runcmd:
- git clone https://git.wmi.amu.edu.pl/s444498/cloud
- cd Public_cloud
- chmod +x webservice
- ./webservice
'''
for i in range(NUM_OF_SERVERS):
webservice_server = client.servers.create(
name=f"{PREFIX}-webservice-{i+1}",
server_type=ServerType("cx11"),
image=Image(name="ubuntu-22.04"),
ssh_keys=[ssh_key],
networks=[vnet],
location=Location("hel1"),
user_data=webservice_init
)
webservice_server.action.wait_until_finished()
print(f"Creating webservice {i+1}: {webservice_server.action.complete}")
loadbalancer_targets.append(LoadBalancerTarget(type="server", server=webservice_server.server, use_private_ip=True))
try:
loadbalancer = client.load_balancers.create(
name= f"{PREFIX}-loadbalancer",
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/32",
status_codes=["2??", "3??"],
tls=False
)
),
)
],
targets=loadbalancer_targets,
public_interface=True,
network=vnet
)
except:
loadbalancer = client.load_balancers.get_by_name(f"{PREFIX}-loadbalancer")
loadbalancer.action.wait_until_finished()
print(f"Loadbalancer creating...: {loadbalancer.action.complete}")
load_balancer = client.load_balancers.get_by_name(f"{PREFIX}-loadbalancer")
print(f"Webserwis: http://{load_balancer.data_model.public_net.ipv4.ip}:8080/factors/")