init: docker-migrate universal migration tool

manifest/manifest.py

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+# -*- coding: utf-8 -*-
+"""
+manifest.py — Сборка и управление манифестом переноса
+"""
+
+import json
+import os
+from datetime import datetime
+from core.color import info, warn, success, subheader, divider
+
+
+def build_manifest(docker_data, nginx_data, sidecars, host_network, systemd_units, cron_jobs, extra_hints):
+    """
+    Собирает единый manifest dict.
+    """
+    manifest = {
+        "meta": {
+            "created": datetime.now().isoformat(),
+            "hostname": os.popen("hostname").read().strip(),
+            "version": "1.0",
+        },
+        "service": {
+            "name": docker_data.get("container_name"),
+            "image": docker_data.get("image"),
+            "status": docker_data.get("status"),
+        },
+        "docker": {
+            "container_id": docker_data.get("container_id"),
+            "compose_file": docker_data.get("compose_file"),
+            "env_file": docker_data.get("env_file"),
+            "mounts": docker_data.get("mounts", []),
+            "ports": docker_data.get("ports", {}),
+            "networks": docker_data.get("networks", []),
+            "host_config": docker_data.get("host_config", {}),
+            "labels": docker_data.get("labels", {}),
+        },
+        "nginx": nginx_data,
+        "sidecars": sidecars,
+        "host_network": host_network,
+        "systemd_units": systemd_units,
+        "cron_jobs": cron_jobs,
+        "extra_hints": extra_hints or [],
+    }
+    return manifest
+
+
+def save_manifest(manifest, path):
+    with open(path, "w", encoding="utf-8") as f:
+        json.dump(manifest, f, indent=2, ensure_ascii=False)
+    success(f"Manifest сохранён: {path}")
+
+
+def load_manifest(path):
+    with open(path, "r", encoding="utf-8") as f:
+        return json.load(f)
+
+
+def review_manifest(manifest):
+    """
+    Показывает пользователю обзор манифеста перед подтверждением.
+    """
+    subheader("ОБЗОР МАНИФЕСТА (что будет перенесено)")
+    divider()
+
+    svc = manifest.get("service", {})
+    print(f"  Сервис: {svc.get('name', '?')}")
+    print(f"  Образ:  {svc.get('image', '?')}")
+
+    docker = manifest.get("docker", {})
+    print(f"\n  Compose:   {docker.get('compose_file') or '(не найден)'}")
+    print(f"  .env:      {docker.get('env_file') or '(не найден)'}")
+
+    mounts = docker.get("mounts", [])
+    print(f"\n  Mounts/volumes ({len(mounts)}):")
+    for m in mounts:
+        print(f"    - [{m.get('type')}] {m.get('source')} → {m.get('destination')} ({m.get('mode')})")
+
+    ports = docker.get("ports", {})
+    if ports:
+        print(f"\n  Опубликованные порты:")
+        for host, container in ports.items():
+            print(f"    {host} → {container}")
+
+    nets = docker.get("networks", [])
+    print(f"\n  Docker сети: {', '.join(nets) or '—'}")
+
+    hc = docker.get("host_config", {})
+    if hc.get("network_mode"):
+        print(f"  network_mode: {hc['network_mode']}")
+    if hc.get("privileged"):
+        print(f"  privileged: {hc['privileged']}")
+    if hc.get("cap_add"):
+        print(f"  cap_add: {hc['cap_add']}")
+
+    nginx = manifest.get("nginx", [])
+    print(f"\n  Nginx связи ({len(nginx)}):")
+    for n in nginx:
+        print(f"    - {n.get('file') or n.get('method', '?')} | server_name={n.get('server_name')} | proxy_pass={n.get('proxy_pass')}")
+        if n.get("ssl_certificate"):
+            print(f"        SSL cert: {n['ssl_certificate']}")
+            print(f"        SSL key:  {n['ssl_certificate_key']}")
+
+    sidecars = manifest.get("sidecars", [])
+    if sidecars:
+        print(f"\n  Sidecar / loopback зависимости ({len(sidecars)}):")
+        for s in sidecars:
+            print(f"    - {s.get('type')}: {s.get('host_process', '?')} (pid={s.get('host_pid', '?')}, port={s.get('container_port_target', '?')})")
+
+    units = manifest.get("systemd_units", [])
+    if units:
+        print(f"\n  Systemd units ({len(units)}):")
+        for u in units:
+            print(f"    - {u.get('name')} ({u.get('path')})")
+
+    crons = manifest.get("cron_jobs", [])
+    if crons:
+        print(f"\n  Cron ({len(crons)}):")
+        for c in crons[:3]:
+            print(f"    - {c.get('file') or c.get('user', '?')}: {c.get('line', c.get('content', '?'))[:80]}")
+
+    hostnet = manifest.get("host_network", {})
+    if hostnet.get("ip_routes"):
+        print(f"\n  Маршруты: {len(hostnet['ip_routes'])} записей")
+    if hostnet.get("ip_rules"):
+        print(f"  Policy rules: {len(hostnet['ip_rules'])} записей")
+
+    divider()