init: docker-migrate universal migration tool

2026-05-22 19:58:09 +04:00
commit ddb2ae9501
34 changed files with 2431 additions and 0 deletions
@@ -0,0 +1,108 @@
+# -*- coding: utf-8 -*-
+"""
+fsm.py — Конечный автомат (Finite State Machine) для миграции.
+Каждый mode (source/target) имеет свой pipeline steps.
+"""
+
+from core import state
+from core.color import header, subheader, success, error as cerror, warn, info, step
+
+
+class FSM:
+    SOURCE_STEPS = [
+        "INIT",
+        "SOURCE_DISCOVER",
+        "SOURCE_MANIFEST_REVIEW",
+        "SOURCE_PACK",
+        "SOURCE_STOP_SERVICE",
+        "TRANSFER",
+        "DONE",
+    ]
+
+    TARGET_STEPS = [
+        "INIT",
+        "TARGET_PREFLIGHT",
+        "TARGET_INSTALL",
+        "TARGET_BACKUP",
+        "TARGET_RESTORE",
+        "TARGET_VERIFY",
+        "DONE",
+    ]
+
+    def __init__(self, mode="source"):
+        self.mode = mode
+        self.steps = self.SOURCE_STEPS if mode == "source" else self.TARGET_STEPS
+
+    def _index(self, stage):
+        try:
+            return self.steps.index(stage)
+        except ValueError:
+            return -1
+
+    def resume_from(self, stage):
+        idx = self._index(stage)
+        if idx < 0:
+            warn(f"Неизвестный stage '{stage}', начинаем с начала")
+            idx = 0
+        for s in self.steps[idx:]:
+            if state.is_completed(s):
+                info(f"Шаг {s} уже выполнен, пропускаем")
+                continue
+            self._run_step(s)
+
+    def _run_step(self, step_name):
+        header(f"ШАГ: {step_name}")
+        try:
+            if self.mode == "source":
+                self._source_step(step_name)
+            else:
+                self._target_step(step_name)
+            state.mark_completed(step_name)
+            state.set_stage(step_name)
+        except Exception as e:
+            msg = str(e)
+            cerror(f"Ошибка на шаге {step_name}: {msg}")
+            state.set_error(step_name, "", msg, suggestion="Исправьте проблему и запустите: ./migrate --resume")
+            raise
+
+    def _source_step(self, name):
+        if name == "INIT":
+            info("Инициализация source-режима")
+        elif name == "SOURCE_DISCOVER":
+            from source.source import do_discovery
+            do_discovery()
+        elif name == "SOURCE_MANIFEST_REVIEW":
+            from source.source import do_manifest_review
+            do_manifest_review()
+        elif name == "SOURCE_PACK":
+            from source.source import do_pack
+            do_pack()
+        elif name == "SOURCE_STOP_SERVICE":
+            from source.source import do_stop_service
+            do_stop_service()
+        elif name == "TRANSFER":
+            from transfer.transfer import do_transfer
+            do_transfer()
+        elif name == "DONE":
+            success("Source-режим завершён")
+
+    def _target_step(self, name):
+        if name == "INIT":
+            info("Инициализация target-режима")
+        elif name == "TARGET_PREFLIGHT":
+            from target.target import do_preflight
+            do_preflight()
+        elif name == "TARGET_INSTALL":
+            from target.target import do_install
+            do_install()
+        elif name == "TARGET_BACKUP":
+            from target.target import do_backup_existing
+            do_backup_existing()
+        elif name == "TARGET_RESTORE":
+            from target.target import do_restore
+            do_restore()
+        elif name == "TARGET_VERIFY":
+            from target.target import do_verify
+            do_verify()
+        elif name == "DONE":
+            success("Target-режим завершён")