exc 4.1, 4.3

lab4/clean.py

@@ -0,0 +1,22 @@
+from hcloud import Client
+
+with open("token.txt", "r") as file:
+    api_token = file.read().strip()
+
+client = Client(token=api_token)
+
+PREFIX = "s478839"
+
+servers = client.servers.get_all()
+print(f"Usuwanie {len(servers)} serwerów")
+for s in servers:
+    if s.data_model.name.startswith(PREFIX):
+        action = client.servers.delete(s)
+        print(f"Usuwanie serwera {s.data_model.name} ({s.data_model.public_net.ipv4.ip}): {action.data_model.status}")
+
+
+loadbalancer = client.load_balancers.get_by_name(f"{PREFIX}-loadbalancer") or None
+if loadbalancer:
+    print("Usuwanie loadbalancera...")
+    action = client.load_balancers.delete(loadbalancer)    
+    print("Usunięto loadbalancer")

lab4/webservice-init.py

@@ -0,0 +1,102 @@
+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(f'{str(Path.home())}/.ssh/id_ed25519.pub', 'r') as file:
+    ssh_pub = file.readline()
+
+with open("token.txt", "r") as file:
+    api_token = file.read().strip()
+
+client = Client(token=api_token)
+
+PREFIX = "s478839"
+NUM_OF_SERVERS = 5
+
+loadbalancer_targets = []
+
+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=f"{PREFIX}-pzc-ssh-key", public_key=ssh_pub)
+print(f"Klucz {ssh_key.data_model.name} został dodany: {ssh_key.data_model.public_key}")
+
+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=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"Utworzono sieć wirtualną {vnet.data_model.name} ({vnet.data_model.ip_range})")
+
+webservice_init=r'''
+#cloud-config
+runcmd:
+  - git clone https://git.wmi.amu.edu.pl/s478839/dpzc-hetzner.git
+  - cd lab4
+  - 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-20.04"), 
+        ssh_keys=[ssh_key], 
+        networks=[vnet], 
+        location=Location("hel1"), 
+        user_data=webservice_init
+    )
+
+    webservice_server.action.wait_until_finished()
+    print(f"Tworzenie serwera webservice {i+1}: {webservice_server.action.complete}")
+    loadbalancer_targets.append(LoadBalancerTarget(type="server", server=webservice_server.server, use_private_ip=True))
+
+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/10",
+                    status_codes=["2??", "3??"],
+                    tls=False
+                )
+            ),
+        )
+    ],
+    targets=loadbalancer_targets,
+    public_interface=True,
+    network=vnet
+)
+
+loadbalancer.action.wait_until_finished()
+print(f"Tworzenie loadbalancera: {loadbalancer.action.complete}")
+
+load_balancer = client.load_balancers.get_by_name(f"{PREFIX}-loadbalancer")
+print(f"Adres webserwisu: http://{load_balancer.data_model.public_net.ipv4.ip}:8080/factors/")
+
+
+
+
+

readme.md

@@ -1,31 +1,48 @@
-# Zadanie 2
+# Lab 3
 
-## Wymagania
+## Zadanie 2
+
+### Wymagania
 Po sklonowaniu repozytorium do folderu dpzc-hetzner należy wstawić plik ```token.txt``` zawierający token dostępowy do Hetznera.
 Należy się również upewnić, że w folderze ```~/.ssh/ ``` znajduje się klucz publiczny ```id_ed25519.pub ```
 
-## Uruchomienie
+### Uruchomienie
 ```bash
 git clone git@git.wmi.amu.edu.pl:s478839/dpzc-hetzner.git
 cd dpzc-hetzner
 sh deploy.sh
 ```
 
-# Zadanie 4
+## Zadanie 4
 
-## Uruchomienie
+### Uruchomienie
 ```bash
 git clone git@git.wmi.amu.edu.pl:s478839/dpzc-hetzner.git
 cd dpzc-hetzner
 python3 cloud-init.py
 ```
-## Logowanie do VScode
+### Logowanie do VScode
 W polu password należy umieścić hasło uzyskane przez:
 ```bash
 ssh root@<publiczne_ip>
 cat ~/.config/code-server/config.yaml
 ```
-## Usuwanie serwera
+### Usuwanie serwera
+```bash
+python3 clean.py
+```
+# Lab 4
+
+## Zadanie 1 i 3 (4.1 i 4.3)
+
+### Uruchomienie
+```bash
+git clone git@git.wmi.amu.edu.pl:s478839/dpzc-hetzner.git
+cd dpzc-hetzner/lab4
+python3 webservice-init.py
+```
+
+### Usuwanie zasobów
 ```bash
 python3 clean.py
 ```