Add containers deploy script

podman/deploy.py

@@ -0,0 +1,177 @@
+#!/usr/bin/python3
+
+import subprocess  # nosec 404
+import sys
+from argparse import ArgumentParser
+from pathlib import Path
+
+ADVLABDB_REPO_LINK = "https://gitlab.rlp.net/mobitar/advlabdb.git"
+VOLUMES_DIR = Path.home() / "volumes"
+ADVLABDB_VOLUMES_DIR = VOLUMES_DIR / "advlabdb"
+ADVLABDB_REPO_DIR = ADVLABDB_VOLUMES_DIR / "repo"
+ADVLABDB_LOGS_DIR = ADVLABDB_VOLUMES_DIR / "logs"
+TRAEFIK_VOLUMES_DIR = VOLUMES_DIR / "traefik"
+TRAEFIK_ETC_DIR = TRAEFIK_VOLUMES_DIR / "etc"
+NGINX_CONF_D_DIR = VOLUMES_DIR / "nginx/conf.d"
+TRAEFIK_LOGS_DIR = TRAEFIK_VOLUMES_DIR / "logs"
+TRAEFIK_CERTS_DIR = TRAEFIK_VOLUMES_DIR / "certs"
+SYSTEMD_USER_DIR = Path.home() / ".config/systemd/user"
+
+
+def run(command: str, **kwargs):
+    return subprocess.run(command, shell=True, **kwargs)  # nosec B602
+
+
+SYSTEMD_USER_DIR.mkdir(parents=True, exist_ok=True)
+
+
+def create_container(container_name: str, podman_args: str):
+    run(
+        f"""podman create \
+            --name {container_name} \
+            {podman_args}""",
+        check=True,
+    )
+
+    run(
+        f"podman generate systemd --new --files --name {container_name}",
+        cwd=SYSTEMD_USER_DIR,
+        check=True,
+    )
+    run(
+        f"systemctl --user enable --now container-{container_name}",
+        check=True,
+    )
+
+
+parser = ArgumentParser(
+    description="Build the AdvLabDB image and deploy related containers",
+)
+parser.add_argument(
+    "--skip-traefik",
+    action="store_true",
+    help="Do not deploy the Traefik container",
+)
+parser.add_argument(
+    "--skip-nginx",
+    action="store_true",
+    help="Do not deploy the Nginx container",
+)
+parser.add_argument(
+    "-n",
+    "--network",
+    default="traefik",
+    help="Traefik's network. Default: traefik",
+)
+
+args = parser.parse_args()
+
+env_file = ADVLABDB_REPO_DIR / ".env"
+
+if ADVLABDB_REPO_DIR.is_dir():
+    run(
+        "git pull",
+        cwd=ADVLABDB_REPO_DIR,
+        check=True,
+    )
+
+    if not env_file.is_file():
+        sys.exit(f"{env_file} missing!")
+else:
+    ADVLABDB_VOLUMES_DIR.mkdir(parents=True, exist_ok=True)
+    print("Cloning repository")
+    run(
+        f"git clone {ADVLABDB_REPO_LINK} {ADVLABDB_REPO_DIR}",
+        check=True,
+    )
+    sys.exit(f"{env_file} missing!")
+
+if not args.skip_traefik:
+    if not TRAEFIK_ETC_DIR.is_dir():
+        sys.exit(f"{TRAEFIK_ETC_DIR} missing!")
+
+if not args.skip_nginx:
+    if not NGINX_CONF_D_DIR.is_dir():
+        sys.exit(f"{NGINX_CONF_D_DIR} missing!")
+
+if run(f"podman network exists {args.network}").returncode != 0:
+    if args.skip_traefik:
+        sys.exit(f"Skipped Traefik's deployment although Traefik's network {args.network} does not exist!")
+    else:
+        run(
+            f"podman network create {args.network}",
+            check=True,
+        )
+
+run(
+    "buildah rm builder",
+    stderr=subprocess.DEVNULL,
+)
+
+commands = [
+    "buildah from --pull --name builder docker.io/library/python:slim",
+    "buildah config --workingdir / builder",
+    f"buildah copy builder {ADVLABDB_REPO_DIR} /volumes/repo",
+    "buildah config --workingdir /volumes/repo builder",
+    "buildah run builder -- pip3 install -r requirements.txt",
+    # TODO: Only when database does not exist
+    "buildah run builder -- python3 -m advlabdb.scripts.setup.init_database",
+    "buildah config --cmd 'gunicorn --bind 0.0.0.0:80 --workers 5 --log-file /volumes/logs/gunicorn.log run:app' builder",
+]
+
+for command in commands:
+    run(command, check=True)
+
+if run("systemctl --user is-enabled container-advlabdb").returncode == 0:
+    run(
+        "systemctl --user disable --now container-advlabdb",
+        check=True,
+    )
+
+if run("podman image exists advlabdb").returncode == 0:
+    run(
+        "podman rmi advlabdb",
+        check=True,
+    )
+
+run(
+    "buildah commit --rm builder advlabdb",
+    check=True,
+)
+
+ADVLABDB_LOGS_DIR.mkdir(parents=True, exist_ok=True)
+
+create_container(
+    "advlabdb",
+    # TODO: Add database as volume
+    f"""--network {args.network} \
+        -v {ADVLABDB_LOGS_DIR}:/volumes/logs:Z \
+        localhost/advlabdb:latest""",
+)
+
+if not args.skip_traefik and run("systemctl --user is-enabled container-traefik").returncode != 0:
+    TRAEFIK_LOGS_DIR.mkdir(parents=True, exist_ok=True)
+    TRAEFIK_CERTS_DIR.mkdir(parents=True, exist_ok=True)
+
+    create_container(
+        "traefik",
+        f"""--label "io.containers.autoupdate=registry" \
+            --network {args.network} \
+            -p 80:80 \
+            -p 443:443 \
+            -v {TRAEFIK_ETC_DIR}:/etc/traefik:ro:Z,ro \
+            -v {TRAEFIK_LOGS_DIR}:/volumes/logs:Z \
+            -v {TRAEFIK_CERTS_DIR}:/volumes/certs:Z \
+            docker.io/library/traefik:latest""",
+    )
+
+if not args.skip_nginx and run("systemctl --user is-enabled container-nginx").returncode != 0:
+    create_container(
+        "nginx",
+        f"""--label "io.containers.autoupdate=registry" \
+            --network {args.network} \
+            -v {NGINX_CONF_D_DIR}:/etc/nginx/conf.d:Z,ro \
+            docker.io/library/nginx:alpine""",
+    )
+
+print("\nDone!\n")