add README.md with 'Getting started' section

add .env.example

add requierements.txt

.env.example

@@ -0,0 +1 @@
+HETZNER_API_TOKEN=

README.md

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+## Getting started
+
+0. Install Python.
+1. Create virtual environment: `python3 -m venv .venv`.
+2. To activate the virtual environment, enter: `source .venv/bin/activate`.
+3. Install a list of requirements specified in [requirements.txt](./requirements.txt):
+   `python -m pip install -r requirements.txt`.
+4. Create a .env file `cp .env.example .env` and provide values of envirnoment variables.
+5. Run the script: `python main.py`.
+
+> When you're finished with your virtual environment, enter the following command to deactivate it: `deactivate`.

db.yml

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+version: '3.6'
+
+networks:
+  gitea:
+    external: false
+
+services:
+  db:
+    image: postgres:9.6
+    restart: always
+    environment:
+      POSTGRES_USER: user
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: db
+    volumes:
+      - /mnt/HC_Volume_100342428/Post:/var/lib/postgresql/data
+    networks:
+      - gitea
+    ports:
+      - '5432:5432'

gitea.yml

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+version: '3.6'
+
+networks:
+  gitea:
+    external: false
+
+services:
+  server:
+    image: gitea/gitea:1.13.2
+    container_name: gitea
+    environment:
+      GITEA__database__DB_TYPE: postgres
+      GITEA__database__HOST: 10.0.0.2:5432
+      GITEA__database__NAME: db
+      GITEA__database__USER: user
+      GITEA__database__PASSWD: password
+    restart: always
+    networks:
+      - gitea
+    volumes:
+      - ./gitea:/data
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    ports:
+      - '3000:3000'
+      - '2222:2222'
+      - '443:443'
+      - '80:3000'

main.py

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+from hcloud import Client
+from hcloud.images import Image
+from hcloud.networks import Network, NetworkSubnet
+from hcloud.volumes import Volume
+from hcloud.server_types import ServerType
+from hcloud._exceptions import APIException
+from hcloud.servers.domain import ServerCreatePublicNetwork
+from os import getenv
+from dotenv import load_dotenv
+
+load_dotenv()
+
+HETZNER_API_TOKEN = getenv('HETZNER_API_TOKEN')
+NETWORK_NAME = "s444510-priv-net"
+NETWORK_TYPE = "server"
+NETWORK_ZONE = "eu-central"
+IP_RANGE = "10.0.0.0/8"
+IP_RANGE_SUBNET = "10.0.0.0/24"
+LOCATION = "hel1"
+VOLUME_NAME = "s444510-volume"
+SERVER_TYPE = "cx11"
+SERVER_IMAGE = "ubuntu-22.04"
+
+DB_SERVER_NAME = "s444510-db"
+GITEA_SERVER_NAME = "s444510-gitea"
+
+
+print("Create Hetzner client")
+client = Client(token=f"{HETZNER_API_TOKEN}")
+
+print("Get location")
+location = client.locations.get_by_name(LOCATION)
+
+
+print("Creating DB volume")
+try:
+    volume = client.volumes.create(size=10, name=VOLUME_NAME, location=location)
+    volume = volume.volume
+    print(f"Volume created: {volume.name}")
+except APIException:
+    volume = client.volumes.get_by_name(name=VOLUME_NAME)
+    print(f"Volume already exists: {volume.name}")
+
+
+print("Creating Network")
+try:
+    network = client.networks.create(name=NETWORK_NAME, ip_range=IP_RANGE)
+    print(f"network created: {network.name}")
+except APIException:
+    network = client.networks.get_by_name(name=NETWORK_NAME)
+    print(f"Network already exists: {network.name}")
+
+
+print("Creating Subnet")
+try:
+    subnet = client.networks.add_subnet(
+        network=network, subnet=NetworkSubnet(ip_range=IP_RANGE_SUBNET, network_zone=NETWORK_ZONE, type=NETWORK_TYPE)
+    )
+except APIException:
+    pass
+
+
+print("Creating DB server")
+try:
+    response = client.servers.create(
+        name=DB_SERVER_NAME,
+        server_type=ServerType(name=SERVER_TYPE),
+        image=Image(name=SERVER_IMAGE),
+        location=location,
+        volumes=[Volume(id=volume.id)],
+        networks=[Network(id=network.id)],
+        public_net=ServerCreatePublicNetwork(enable_ipv4=False, enable_ipv6=False),
+        user_data="""
+#cloud-config
+package_update: true
+package_upgrade: true
+
+groups:
+  - docker
+  
+system_info:
+  default_user:
+    groups: [ docker ]
+    
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - gnupg
+  - lsb-release
+  - unattended-upgrades
+  
+runcmd:
+  - mkdir -p /etc/apt/keyrings
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+  - echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
+  - apt-get update
+  - apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
+  - systemctl enable docker
+  - systemctl start docker
+  - git clone https://git.wmi.amu.edu.pl/s444510/zpzc-2023.git /zpzc-2023
+  - docker compose -f /zpzc-2023/db.yml up -d
+  
+bootcmd:
+  - docker compose -f /zpzc-2023/db.yml up -d
+  
+final_message: "The system is finally up, after $UPTIME seconds"
+"""
+    )
+    db_server = response.server
+    print(f"{db_server.id=} {db_server.name=} {db_server.status=}")
+except APIException:
+    print("Server already exists:")
+    db_server = client.servers.get_by_name(name=DB_SERVER_NAME)
+
+print("Creating Gitea server")
+try:
+    gitea_server = client.servers.create(
+        name=GITEA_SERVER_NAME,
+        server_type=ServerType(name=SERVER_TYPE),
+        image=Image(name=SERVER_IMAGE),
+        location=location,
+        networks=[Network(id=network.id)],
+        user_data="""
+#cloud-config
+package_update: true
+package_upgrade: true
+
+groups:
+  - docker
+  
+system_info:
+  default_user:
+    groups: [ docker ]
+    
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - gnupg
+  - lsb-release
+  - unattended-upgrades
+  
+runcmd:
+  - mkdir -p /etc/apt/keyrings
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+  - echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
+  - apt-get update
+  - apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
+  - systemctl enable docker
+  - systemctl start docker
+  - git clone https://git.wmi.amu.edu.pl/s444510/zpzc-2023.git /zpzc-2023
+  - docker compose -f /zpzc-2023/gitea.yml up -d
+  
+bootcmd:
+  - docker compose -f /zpzc-2023/gitea.yml up -d
+  
+final_message: "The system is finally up, after $UPTIME seconds"
+
+"""
+    )
+    _gitea_server = gitea_server.server
+    print(f"{_gitea_server.id=} {_gitea_server.name=} {_gitea_server.status=}, {gitea_server.root_password} ")
+except APIException:
+    gitea_server = client.servers.get_by_name(name=DB_SERVER_NAME)
+    print(f"Server already exists: {gitea_server.name}")

requirements.txt

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+python-dotenv
+hcloud

vscode-cloud-init.yaml

@@ -1,14 +0,0 @@
-#cloud-config
-
-users:
-  - name: s444510
-    groups: users, admin
-    sudo: ALL=(ALL) NOPASSWD:ALL
-    shell: /bin/bash
-    ssh_authorized_keys:
-      - <public_ssh_key>
-package_update: true
-package_upgrade: true
-runcmd:
-  - curl -fsSL https://code-server.dev/install.sh | sh
-  - systemctl --user enable --now code-server