feat(provision): 弹性节点基建 Terraform + 一键更换 (tsk_6u0FxmbC7Yeq)
IaC 面 (infra/) 与控制面 (server/internal/provision) 双产出,落地 doc/04 §4 「节点是牲口」弹性拓扑与 make-before-break 一键更换。 server/internal/provision: - CloudAdapter 适配层 + Registry(首发 vultr 消耗品池 / hetzner 精品池各一); 厂商凭证仅从 PROVISION_<VENDOR>_* env 注入,不入库不入 git。 - ProvisionService:CreateNode(幂等键重放不重复开机)、DestroyNode(幂等)、 RotateIP(换 IP 不换机 + version bump)、ListProviders。 - Replace 一键更换:先建后拆,新机 up 先于旧机 draining(容量不下降), replacement_uuid 幂等键 + replacements 表分步记录,崩溃可续跑不重复。 - RotatePool:池内滚动轮换,并发度 1–2。 - cmd/nodectl CLI:create/destroy/rotate-ip/replace/rotate-pool/providers。 - 单测(mock 厂商 API + 内存 Store):幂等重放、make-before-break 时序断言、 开机失败/探活超时→destroyed+失败计数+告警钩子、崩溃续跑、RotatePool。 infra/: - terraform/:探针机 + 控制面基线模块化(probe / control-plane)+ README, 低频基线进 state,节点不进 Terraform。 - cloud-init/node.yaml.tmpl:节点引导模板(注入一次性 bootstrap token,task #5)。 - identity-isolation.md:身份隔离登记表(doc/06 §2 红线,无任何凭证)。 migrations/000008:nodes 增 provider_instance_id/elastic_ip_id、node_events 增 ip_rotated、provision_idempotency / replacements 表(附加式,不动现网)。 红线:仅面向新厂商池,绝不纳管现网生产 EC2(deploy/ marzban)。 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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terraform {
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required_version = ">= 1.5.0"
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required_providers {
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# Probe machines (overseas reference points, doc/04 §1) run on a small,
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# privacy-friendly cloud. Hetzner Cloud is used as the reference example;
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# swap the provider per the identity-isolation register.
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hcloud = {
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source = "hetznercloud/hcloud"
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version = "~> 1.45"
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}
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}
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# State holds ONLY low-frequency baseline resources (probes, control-plane
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# env). Disposable data-plane nodes are NEVER in state — they are cattle,
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# managed by the provision service via vendor APIs (doc/04 §4).
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#
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# Configure a remote, access-restricted backend out-of-band (e.g. an S3-
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# compatible bucket on the management account). Left as local here so the
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# module stays runnable for `terraform validate`.
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# backend "s3" { ... }
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}
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