commit 63a6502452f4c6926cec63c7122ecf26e98ec464
Author: MatOgr <ogrodowczykmat@gmail.com>
Date:   Wed Dec 28 21:36:57 2022 +0100

    Task 3.2 completion commit

diff --git a/.gitignore b/.gitignore
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+*/token_file
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diff --git a/gitea-deploy/clean.sh b/gitea-deploy/clean.sh
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+++ b/gitea-deploy/clean.sh
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+#!/bin/bash
+chmod +x just_do_everything.py
+echo "### Creating venv is probably a good idea - let's make one..."
+python3 -m venv gitea_venv
+source gitea_venv/bin/activate
+echo "### Now install hcloud module..."
+pip install -q hcloud
+echo "### And clear last deployment results..."
+python just_do_everything.py --clean
diff --git a/gitea-deploy/deploy.sh b/gitea-deploy/deploy.sh
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+++ b/gitea-deploy/deploy.sh
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+#!/bin/bash
+chmod +x just_do_everything.py
+python3 -m venv gitea_venv
+source ./gitea_venv/bin/activate
+pip install -q hcloud
+echo "############################"
+echo "Let's clean everything from last run..."
+python just_do_everything.py --clean
+echo "--------------------------------------------------------------------------"
+echo "                             Success! I guess..."
+echo "############################"
+echo "Let's spawn some new machines!"
+python just_do_everything.py --create
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diff --git a/gitea-deploy/just_do_everything.py b/gitea-deploy/just_do_everything.py
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+++ b/gitea-deploy/just_do_everything.py
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+#!/bin/pythonS
+from hcloud import Client, APIException
+from hcloud.images.domain import Image
+from hcloud.networks.domain import NetworkSubnet
+from hcloud.server_types.domain import ServerType
+from hcloud.locations.domain import Location
+from pathlib import Path
+import sys
+
+
+specific_name = "s478841"
+key_name = f"ssh-{specific_name}"
+net_name = f"gitea-net-{specific_name}"
+volume_name = f"gitea-volume-{specific_name}"
+db_name = f"gitea-db-{specific_name}"
+server_name = f"gitea-server-{specific_name}"
+location = Location("hel1")
+
+
+# DB yaml
+INIT_DB_CONTENT = r"""#cloud-config
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - gnupg-agent
+  - software-properties-common
+write_files:
+  - path: /root/docker-compose.yml
+    content: |
+      version: "2"
+      services:
+        db:
+          image: postgres:14
+          restart: always
+          ports:
+            - "10.10.10.2:5432:5432"
+          environment:
+            - POSTGRES_USER=gitea
+            - POSTGRES_PASSWORD=gitea
+            - POSTGRES_DB=gitea
+          volumes:
+            - ./postgres:/var/lib/postgresql/data
+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)-$(uname -m)" -o /usr/local/bin/docker-compose
+  - chmod +x /usr/local/bin/docker-compose
+  - systemctl start docker
+  - systemctl enable docker
+  - cd /root/ && docker-compose up -d
+"""
+
+# Gitea service yaml
+INIT_GITEA = r"""#cloud-config
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - gnupg-agent
+  - software-properties-common
+write_files:
+  - path: /root/docker-compose.yml
+    content: |
+      version: "2"
+      services:
+        server:
+          image: gitea/gitea:1.17.3-rootless
+          environment:
+            - GITEA__server__DOMAIN=${DOMAIN}
+            - GITEA__database__DB_TYPE=postgres
+            - GITEA__database__HOST="10.10.10.2:5432"
+            - GITEA__database__NAME=gitea
+            - GITEA__database__USER=gitea
+            - GITEA__database__PASSWD=gitea
+          restart: always
+          volumes:
+            - /mnt/gitea-volume-s478841/data:/var/lib/gitea
+            - /mnt/gitea-volume-s478841/config:/etc/gitea  
+            - /etc/timezone:/etc/timezone:ro
+            - /etc/localtime:/etc/localtime:ro
+          ports:
+            - "3000:3000"
+            - "2222:2222"
+"""
+
+
+def create_client(creds_path):
+    with open(creds_path, "r") as f:
+        token = str(f.readline()).strip()
+        client = Client(token=token)
+    print("The CLIENT has been CREATED")
+    return client
+
+
+def load_key(key_folder, pub_key_name):
+    home_path = Path.home().joinpath(key_folder, pub_key_name)
+    print(f"\t\tUsing the {home_path} file")
+    with open(home_path) as f:
+        key = f.readline()
+    print("\t\tThe SSH KEY has been LOADED")
+    return key
+
+
+def create_key(client, key_name, key_folder, pub_key_name):
+    print("The SSH KEY has been...")
+    key_of_power = load_key(key_folder, pub_key_name)
+    key = client.ssh_keys.create(name=key_name, public_key=key_of_power)
+    print("\tCREATED")
+    return key
+
+
+def remove_key(client, key_name):
+    print("The KEY has been...", end="")
+    try:
+        action = client.ssh_keys.delete(client.ssh_keys.get_by_name(key_name))
+        action.wait_until_finished()
+    except AttributeError:
+        pass
+    print("DELETED")
+
+
+def create_network(client, net_name, ip_range):
+    print("The NETWORK has been...", end="")
+    net = client.networks.create(
+        name=net_name,
+        ip_range=ip_range,
+        subnets=[
+            NetworkSubnet(ip_range=ip_range, network_zone="eu-central", type="cloud")
+        ],
+    )
+    print("CREATED")
+    return net
+
+
+def remove_network(client, net_name):
+    print("The NETWORK has been...", end="")
+    try:
+        action = client.networks.delete(client.networks.get_by_name(net_name))
+        action.wait_until_finished()
+    except AttributeError:
+        pass
+
+    print("DELETED")
+
+
+def create_volume(client, volume_name, location):
+    print("The VOLUME has been...", end="")
+    volume = client.volumes.create(
+        name=volume_name, size=10, format="ext4", location=location
+    )
+    print("CREATED")
+    return volume
+
+
+def remove_volume(client, volume_name):
+    print("The VOLUME has been...", end="")
+    try:
+        volume = client.volumes.get_by_name(volume_name)
+        try:
+            action = client.volumes.detach(volume)
+            action.wait_until_finished()
+        except APIException:
+            pass
+        action = client.volumes.delete(volume)
+        action.wait_until_finished()
+    except AttributeError:
+        pass
+    print("DELETED")
+
+
+def create_db(client, db_name, ssh_key, vnet, location, user_data):
+    print("The DB SERVER has been CREATED:", end=" ")
+    db = client.servers.create(
+        name=db_name,
+        server_type=ServerType("cpx11"),
+        image=Image(name="ubuntu-22.04"),
+        ssh_keys=[ssh_key],
+        networks=[vnet],
+        location=location,
+        user_data=user_data,
+    )
+    db.action.wait_until_finished()
+    print(db.action.complete)
+    return db
+
+
+def remove_db(client, db_name):
+    print("The DB SERVER has been...", end="")
+    try:
+        action = client.servers.delete(client.servers.get_by_name(db_name))
+        action.wait_until_finished()
+    except AttributeError:
+        pass
+    print("DELETED")
+
+
+def create_gitea_server(
+    client, server_name, ssh_key, vnet, volume, location, user_data
+):
+    print("The GITEA SERVER has been CREATED:", end=" ")
+    gitea_server = client.servers.create(
+        name=server_name,
+        server_type=ServerType("cpx11"),
+        image=Image(name="ubuntu-22.04"),
+        ssh_keys=[ssh_key],
+        networks=[vnet],
+        volumes=[volume.volume],
+        automount=True,
+        location=location,
+        user_data=user_data,
+    )
+    gitea_server.action.wait_until_finished()
+    print(gitea_server.action.complete)
+    return gitea_server
+
+
+def remove_gitea_server(client, server_name):
+    print("The GITEA SERVER has been...", end="")
+    try:
+        action = client.servers.delete(client.servers.get_by_name(server_name))
+        action.wait_until_finished()
+    except AttributeError:
+        pass
+    print("DELETED")
+
+
+if __name__ == "__main__":
+
+    client = create_client("./token_file")
+
+    action = sys.argv[-1]
+
+    if action == "--create":
+        ssh_key = create_key(client, key_name, ".ssh", "id_ed25519.pub")
+        vnet = create_network(client, net_name, "10.10.10.0/24")
+        volume = create_volume(client, volume_name, location)
+        db = create_db(client, db_name, ssh_key, vnet, location, INIT_DB_CONTENT)
+
+        # Prepare the yaml script for creating the gitea server
+        RUNCMD = f"""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)-$(uname -m)" -o /usr/local/bin/docker-compose
+        - chmod +x /usr/local/bin/docker-compose
+        - systemctl start docker
+        - systemctl enable docker
+        - cd /root/
+        - IP=$(hostname -I | cut -d ' ' -f 1)
+        - echo "DOMAIN=$IP" >> .env
+        - sudo mkfs.ext4 -F /dev/disk/by-id/scsi-0HC_Volume_{volume.volume.id}
+        - mkdir /mnt/{volume_name}
+        - mount -o discard,defaults /dev/disk/by-id/scsi-0HC_Volume_{volume.volume.id} /mnt/{volume_name}
+        - echo "/dev/disk/by-id/scsi-0HC_Volume_{volume.volume.id} /mnt/{volume_name} ext4 discard,nofail,defaults 0 0" >> /etc/fstab
+        - mkdir /mnt/{volume_name}/data
+        - mkdir /mnt/{volume_name}/config
+        - sudo chown 1000:1000 /mnt/{volume_name}/config/ /mnt/{volume_name}/data
+        - docker-compose up -d
+        """
+
+        RUN_GITEA = f"{INIT_GITEA}\n{RUNCMD}"
+
+        # Create a gitea server using loaded credentials and created resources
+        server = create_gitea_server(
+            client, server_name, ssh_key, vnet, volume, location, RUN_GITEA
+        )
+        print(
+            f"You can access the server (in a few minutes) under the address: http://{server.server.data_model.public_net.ipv4.ip}:3000"
+        )
+        print("\n\n\t\tHave fun!")
+    elif action == "--clean":
+        remove_gitea_server(client, server_name)
+        remove_db(client, db_name)
+        remove_network(client, net_name)
+        remove_volume(client, volume_name)
+        remove_key(client, key_name)
+        print("\n\n\t\tIt was nice to meet you!")
+    else:
+        print(f"\nSorry, don't know what the'{action}' means...bye!")