feat(chv-hybrid-c): autoscaler 池目标数 + 回收同步门 + 审计事件目录
- autoscaler: desired_workers += pool_target(W=2 台/宿主, pool_target_for_hosts);Autoscaler/CLI 支持 --pool-target / --online-hosts;L1 其余语义(30s 轮、scale up fast/down slow、 fail-closed、veto、LIFO)原样复用,L2 不自动加主机 - executor: recycle_vm/recycle_persistent_vm 前加 Gitea 同步门 (chv-sync push 失败即 state/status=sync_failed、VM 不回收、 记 vm_recycle_sync_failed 审计);未配同步/VM 已死走旧路径 - 新增 cloud/chv/hybrid_events.py:9 个设计事件名一字不差, 全部必填 host_id、密钥字段名拒绝入目录 - orphans facade 已存在且复用 registry/orphan 语义,不动 experimental_pool(wired_to_dispatch 恒 False) - 测试:cloud/tests/test_chv_hybrid_c.py 32 项;全量 4611 项 0 失败 0 错误 15 skipped
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@@ -2469,16 +2469,33 @@ class CloudHypervisorExecutor(Executor):
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sandbox=("read-only" if task.get("plan") else None))
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def recycle_persistent_vm(self, task_or_name: dict | str,
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tenant_id: str | None = None) -> dict:
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tenant_id: str | None = None,
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extra_env: dict | None = None,
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sync: bool = True) -> dict:
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"""显式回收持久 VM(唯一删用户盘的入口):先 shutdown
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(stop_vm,keep_disk=False),再删 overlay 与数据盘、
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清 tenant 标记与持久登记。返回 {vm, state: recycled,
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deleted_disks}。与 recycle_vm 的区别:后者只关 VM
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不删持久盘(持久盘须显式回收才删,用户数据不静默丢)。"""
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不删持久盘(持久盘须显式回收才删,用户数据不静默丢)。
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C 轨新增(§3.3 同款回收同步门,见 recycle_vm):sync
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默认开;配了 Gitea 同步且 push 失败时不 shutdown、
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不删盘,返回 sync_failed(vm_retained=True,
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deleted_disks=[]),等人工/重试。
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"""
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vm = self.vm_name(task_or_name)
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tenant = tenant_id or self._tenant_id(
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task_or_name if isinstance(task_or_name, dict)
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else {"id": task_or_name})
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if sync:
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task_dict = task_or_name if isinstance(
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task_or_name, dict) else {"id": task_or_name}
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ok, sync_detail = self._recycle_sync_gate(
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task_dict, extra_env=extra_env)
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if not ok:
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return self._sync_failed_result(vm, sync_detail, [])
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else:
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sync_detail = "sync skipped by caller"
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self.shutdown_vm(task_or_name)
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deleted = []
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if delete_task_disk(self.state_dir, vm):
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@@ -2496,7 +2513,10 @@ class CloudHypervisorExecutor(Executor):
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else {"id": task_or_name},
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"vm=%s deleted_disks=%s" % (vm, deleted))
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return {"vm": vm, "state": "recycled",
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"deleted_disks": deleted}
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"deleted_disks": deleted,
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"sync_ok": True,
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"sync_detail": sync_detail,
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"vm_retained": False}
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def snapshot_vm(self, task_or_name: dict | str, snapshot_url: str) -> str:
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"""给(已暂停的)VM 做快照:ch-remote snapshot <裸 URL>。
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@@ -3152,7 +3172,108 @@ class CloudHypervisorExecutor(Executor):
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只改数据库状态,必须真关 VM。"""
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return self.shutdown_vm(task_or_name)
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def recycle_vm(self, task: dict) -> dict:
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def sync_guest_to_gitea(self, task: dict,
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extra_env: dict | None = None) -> tuple[bool, str]:
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"""回收前把客内已提交的工作区改动 push 回 Gitea
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(DESIGN-HYBRID.md §3.3 回收流程第 1 步)。
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复用客内 chv-sync 的 push 腿(chv-guest/chv-sync.sh):
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经 SSH 跑 `chv-sync push`;非 fast-forward 即失败,
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绝不 --force、不自动 rebase(与 chv-sync.sh 的
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fail-closed 语义同款)。返回 (ok, detail):
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- 未配 Gitea 同步(extract_gitea_sync_env 为空)→
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(True, "no gitea sync configured"),无物可推,
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不拦回收;
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- VM 已不运行 → (True, "vm not running"):死掉的
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客机没有可 push 的活工作树,拦回收也推不出去,
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不拿已死的 VM 卡清理(其盘仍在 state_dir 里,
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由显式回收/GC 按原口径处理);
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- push rc==0 → (True, ...);rc!=0 或 SSH 本身失败
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→ (False, 末行输出截断 200 字符)。chv-sync 的
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remote URL 是干净 https、token 只走 credential
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store 文件,所以输出里没有 token(与 syncd 的
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_run_sync 同款截断口径)。
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边界(诚实写明):push 只推已提交的提交,未提交的
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工作树改动不参与同步——与客内 syncd 常驻循环同款
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口径,本方法不自动 commit(自动 commit 是新语义,
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设计未定);同步失败的判定只看 push 本身。
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本方法不重试:push 是幂等的,失败后调用方
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(recycle_vm / 人工)重新调回收即重试。
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"""
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# 方法内 import:与 wake_vm 同款,避免顶层循环导入。
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from cloud.chv.gitea_sync import extract_gitea_sync_env
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sync = extract_gitea_sync_env(
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task, extra_env,
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config_sync=getattr(self, "gitea_sync_env", None))
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if not sync:
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return True, "no gitea sync configured"
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if not self._vm_is_running(task):
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return True, "vm not running: nothing to sync"
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try:
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ssh_cmd = self.build_ssh_command(task, ["chv-sync", "push"])
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result = self._call_runner(ssh_cmd,
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timeout=self.task_timeout)
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except Exception as exc:
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return False, "ssh failed: %s" % str(exc)[:200]
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if getattr(result, "returncode", 1) == 0:
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return True, "chv-sync push ok"
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tail = ((getattr(result, "stdout", "") or "")
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+ (getattr(result, "stderr", "") or "")).strip()
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tail = tail.splitlines()[-1] if tail else ""
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return False, "chv-sync push failed: %s" % tail[:200]
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def _emit_recycle_sync_failed(self, task, vm, reason):
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"""回收同步失败的审计(§3.3“同步失败记审计”):
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事件 vm_recycle_sync_failed(见 hybrid_events),
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带 host_id + vm + tenant_id(有则带),绝不带密钥值。
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审计本身 best-effort:格式化失败时退化成裸 vm 明细,
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绝不因此掩盖 sync_failed 的返回。"""
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task_dict = task if isinstance(task, dict) else {"id": task}
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try:
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from cloud.chv.hybrid_events import (
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VM_RECYCLE_SYNC_FAILED, format_detail)
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fields = {"vm": vm, "reason": reason}
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tenant = self._tenant_id(task_dict)
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if tenant:
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fields["tenant_id"] = tenant
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detail = format_detail(VM_RECYCLE_SYNC_FAILED, fields)
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except Exception:
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detail = "vm=%s reason=%s" % (vm, str(reason)[:200])
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try:
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self._emit(VM_RECYCLE_SYNC_FAILED, task_dict, detail,
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kind="sync_failed")
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except Exception:
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pass
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@staticmethod
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def _sync_failed_result(vm, detail, deleted_disks=None):
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"""同步失败的回收返回(§3.3):state/status 均为
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sync_failed,VM 保留。recycle_vm 与
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recycle_persistent_vm 共用,免得两处拼同一份 dict;
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各自再补自己的字段(preserved/lost 或 deleted_disks)。"""
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out = {"vm": vm, "state": "sync_failed",
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"status": "sync_failed", "sync_ok": False,
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"sync_error": detail, "vm_retained": True}
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if deleted_disks is not None:
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out["deleted_disks"] = deleted_disks
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return out
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def _recycle_sync_gate(self, task, extra_env=None):
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"""回收同步门(§3.3 新增语义的共用判定):
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同步失败 → (False, detail);可回收 → (True, detail)。
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调用方在 False 时必须不 shutdown、不删盘、不发
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recycled 审计,只记 sync_failed 审计并返回
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state/status 均为 sync_failed 的结果。"""
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ok, detail = self.sync_guest_to_gitea(task,
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extra_env=extra_env)
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if ok:
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return True, detail
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self._emit_recycle_sync_failed(task, self.vm_name(task),
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detail)
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return False, detail
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def recycle_vm(self, task: dict, extra_env: dict | None = None,
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sync: bool = True) -> dict:
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"""回收 VM(任务结束后的销毁语义):
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先 shutdown,再返回保留/丢失清单。保留的只有宿主侧
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的 task_checkpoints / task_attempts(数据库里的断点与
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@@ -3160,9 +3281,30 @@ class CloudHypervisorExecutor(Executor):
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丢失的是客机内的临时文件与未拷出的 worktree 临时物
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——recycle 绝不声称“恢复临时文件”。需要拷出的工件
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必须在 shutdown 之前由调用方经 SSH 拷出,本方法不
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假装替调用方拷了。"""
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假装替调用方拷了。
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C 轨新增(DESIGN-HYBRID.md §3.3):sync=True(默认)
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时先过回收同步门——配了 Gitea 同步且 `chv-sync push`
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失败时,任务标同步失败(返回 state/status 均为
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sync_failed,sync_ok=False,vm_retained=True),VM
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不回收、不复用,等人工/重试,绝不丢改动后静默回收;
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审计记 vm_recycle_sync_failed。未配同步、VM 已死、
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或 sync=False(调用方显式跳过)时走旧回收路径。
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"""
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if not isinstance(task, dict) or task.get("id") is None:
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raise ValueError("任务缺少 id")
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if sync:
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ok, sync_detail = self._recycle_sync_gate(
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task, extra_env=extra_env)
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if not ok:
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out = self._sync_failed_result(self.vm_name(task),
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sync_detail)
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out["preserved"] = ["task_checkpoints",
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"task_attempts"]
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out["lost"] = []
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return out
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else:
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sync_detail = "sync skipped by caller"
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self.shutdown_vm(task)
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self._emit("vm_recycled", task,
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"vm=%s" % self.vm_name(task))
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@@ -3171,6 +3313,9 @@ class CloudHypervisorExecutor(Executor):
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"state": "recycled",
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"preserved": ["task_checkpoints", "task_attempts"],
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"lost": ["guest /tmp", "guest worktree temp files"],
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"sync_ok": True,
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"sync_detail": sync_detail,
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"vm_retained": False,
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}
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def _stop_dead_socket_vms(self, entries):
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@@ -0,0 +1,146 @@
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"""CHV 混合模式审计事件目录(C 轨,feat-chv-hybrid-c)。
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唯一依据:~/workspace/chv-multi-host/DESIGN-HYBRID.md
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§7 与 §9.1 第 13 项。事件名字符串与设计原文一字不差,
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供 A/B 两轨的发射点 import(A/B 工作树里还没有本文件,
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他们先按设计原文的事件名字符串直接发射,协调员集成时
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统一收到本模块名下)。
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规则(设计 §7):
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- 全部事件带 host_id(宿主名,默认 socket.gethostname())。
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- 绝不带密钥值:字段名命中密钥名(见 SECRET_FIELD_NAMES)
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即拒绝,错误信息只含字段名、不含值;调用方仍须遵守
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executor._emit 的既有契约(detail 只含 VM 名、路径、
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URL、kind,不含任何 key 值)。
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- 本模块只定名 + 必填字段 + 校验/格式化,不发事件、
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不读库、不碰 VM;发射仍走各轨现有的 _emit / 日志路径。
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另有一枚 C 轨事件 vm_recycle_sync_failed:不在 §9.1-13
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的名单里,但 §3.3 要求“同步失败 → 任务标同步失败
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(审计)”,回收同步失败的审计须有个名字,故在此单列
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并注明来源,不混进设计名单。
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"""
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import socket
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# -- 设计原文事件名(§9.1 第 13 项 / §7,一字不差) ------------
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WARM_POOL_ACQUIRE = "warm_pool_acquire"
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WARM_POOL_MISS = "warm_pool_miss"
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WARM_POOL_RELEASE = "warm_pool_release"
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VM_RESIDENT_SUSPENDED = "vm_resident_suspended"
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VM_RESIDENT_DEMOTED = "vm_resident_demoted"
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VM_RESIDENT_PROMOTED = "vm_resident_promoted"
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RESIDENT_UPGRADE_HINT = "resident_upgrade_hint"
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SNAPSHOT_TENANT_MISMATCH = "snapshot_tenant_mismatch"
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VM_RESTORE_DENIED = "vm_restore_denied"
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# 设计 §9.1-13 名单一共 9 个事件(acquire/miss/release
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# 是 §7“warm_pool_acquire/miss/release”的三枚展开,
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# miss 的全名 warm_pool_miss 见 §7“须记 warm_pool_miss
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# 审计”)。
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HYBRID_EVENTS = (
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WARM_POOL_ACQUIRE,
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WARM_POOL_MISS,
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WARM_POOL_RELEASE,
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VM_RESIDENT_SUSPENDED,
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VM_RESIDENT_DEMOTED,
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VM_RESIDENT_PROMOTED,
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RESIDENT_UPGRADE_HINT,
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SNAPSHOT_TENANT_MISMATCH,
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VM_RESTORE_DENIED,
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)
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# -- C 轨回收同步审计(§3.3,非 §9.1-13 名单) ---------------
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VM_RECYCLE_SYNC_FAILED = "vm_recycle_sync_failed"
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ALL_KNOWN_EVENTS = HYBRID_EVENTS + (VM_RECYCLE_SYNC_FAILED,)
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# -- 必填字段:全部事件都须带 host_id -------------------------
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# 其余字段按事件语义:vm = VM 名,tenant_id = 租户,
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# reason = 失败原因短文本(已截断,绝不含密钥值)。
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REQUIRED_FIELDS = {
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WARM_POOL_ACQUIRE: ("host_id", "vm"),
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WARM_POOL_MISS: ("host_id",),
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WARM_POOL_RELEASE: ("host_id", "vm"),
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VM_RESIDENT_SUSPENDED: ("host_id", "tenant_id", "vm"),
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VM_RESIDENT_DEMOTED: ("host_id", "tenant_id", "vm"),
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VM_RESIDENT_PROMOTED: ("host_id", "tenant_id", "vm"),
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RESIDENT_UPGRADE_HINT: ("host_id", "tenant_id"),
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SNAPSHOT_TENANT_MISMATCH: ("host_id", "tenant_id", "vm"),
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VM_RESTORE_DENIED: ("host_id", "tenant_id", "vm"),
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VM_RECYCLE_SYNC_FAILED: ("host_id", "vm"),
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}
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# 密钥字段名:命中即拒绝。exact 匹配 + token/secret/
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# password 子串匹配(host_key 等公开指纹名不在此列,
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# 不可误拦)。
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SECRET_FIELD_NAMES = frozenset({
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"gitea_token", "token", "secret", "password", "api_key",
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"apikey", "private_key", "access_key", "session_key",
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"credential", "credentials", "seed", "auth",
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})
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_SECRET_SUBSTRINGS = ("token", "secret", "password")
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def _is_secret_field(name: str) -> bool:
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lowered = str(name).lower()
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if lowered in SECRET_FIELD_NAMES:
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return True
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return any(part in lowered for part in _SECRET_SUBSTRINGS)
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def default_host_id() -> str:
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"""宿主名:审计事件的 host_id 缺省值。"""
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return socket.gethostname()
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def validate_event_fields(event: str, fields: dict) -> dict:
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"""校验一个事件的字段,返回清洗后的副本(去 None 值)。
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未知事件名、缺必填字段、host_id 为空、字段名命中密钥
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名时一律 ValueError;错误信息只含事件名/字段名,
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绝不含字段值。"""
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if event not in ALL_KNOWN_EVENTS:
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raise ValueError("未知审计事件:%s" % event)
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cleaned = {k: v for k, v in dict(fields or {}).items()
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if v is not None}
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secret = sorted(k for k in cleaned if _is_secret_field(k))
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if secret:
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raise ValueError(
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"审计事件 %s 不得带密钥字段:%s" % (event, ",".join(secret)))
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missing = [k for k in REQUIRED_FIELDS[event]
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if k not in cleaned
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or (isinstance(cleaned[k], str)
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and not cleaned[k].strip())]
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if missing:
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raise ValueError(
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"审计事件 %s 缺必填字段:%s" % (event, ",".join(missing)))
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return cleaned
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||||
|
||||
|
||||
def build_event(event: str, fields: dict | None = None,
|
||||
host_id: str | None = None) -> dict:
|
||||
"""组装一个事件的字段 dict:host_id 未给时取本机宿主名,
|
||||
再过 validate_event_fields。返回的 dict 可直接用于
|
||||
format_detail 或交审计回调。"""
|
||||
merged = dict(fields or {})
|
||||
if host_id is not None:
|
||||
merged["host_id"] = host_id
|
||||
elif not merged.get("host_id"):
|
||||
merged["host_id"] = default_host_id()
|
||||
return validate_event_fields(event, merged)
|
||||
|
||||
|
||||
def format_detail(event: str, fields: dict | None = None,
|
||||
host_id: str | None = None) -> str:
|
||||
"""把事件字段格式化成 executor._emit 的 detail 字符串
|
||||
("k=v k=v",键排序,值截断 200 字符、去换行)。
|
||||
先过 build_event 校验,所以带 host_id、不带密钥字段。"""
|
||||
cleaned = build_event(event, fields, host_id=host_id)
|
||||
parts = []
|
||||
for key in sorted(cleaned):
|
||||
value = str(cleaned[key]).replace("\n", " ").replace("\r", " ")
|
||||
if len(value) > 200:
|
||||
value = value[:200]
|
||||
parts.append("%s=%s" % (key, value))
|
||||
return " ".join(parts)
|
||||
Reference in new issue
Block a user