Component + sequence + rotation-flow diagrams; consumer pattern; KNELBMS secrets-flow table + provisioning sequence; README to prod standard. Ticket: https://projects.knownelement.com/issues/832
100 lines
3.9 KiB
Markdown
100 lines
3.9 KiB
Markdown
# KNELSecretsManager — Architecture
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Status: production. Ruling chain: ADR-002 (containerized CLI) → ADR-003
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(pure-Go `smcli`, Rust `bw` retired). Founder directives: #829/#832.
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## Components
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```mermaid
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flowchart LR
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subgraph vault["TSGCOO Bitwarden vault (self-hosted)"]
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V["pwvault.turnsys.com\n(Vaultwarden API)"]
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end
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subgraph workstation["Workstation (dev-only host)"]
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C["ukrrs-secretsmgr-cli\n(compose, always-hot)\npure-Go smcli v9+"]
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S1["/data2/TSGCOO/.local/bin/sm\n(TSGCOO account entry)"]
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S2[".tools/sm\n(reachableceo crossover)"]
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W1["mred-vp → Redmine identity"]
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W2["ci-green.sh → Gitea admin"]
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W3["redmine-sweep.sh"]
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end
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subgraph fleet["Fleet consumers (rotation waves)"]
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B["KNELBMS: on-box secrets.yaml\n(deploy webhook, gitea_auth_header,\nkuma_push_url, pve_*_api_token)"]
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K["pfv-k8s secrets\n(glpi-creds for kuma-glpi-bridge,\nflux PAT — wave 4)"]
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R["Nightly timers\n(pve-config-backup, glpi-reconcile)"]
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end
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S1 --> C
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S2 --> C
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W1 --> C
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W2 --> C
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W3 --> C
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C -->|HTTPS: prelogin/login(TOTP)/sync/CRUD| V
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C -.->|reads after rotation| B
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C -.-> K
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C -.-> R
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```
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## Auth + unlock sequence
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```mermaid
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sequenceDiagram
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participant U as Operator/Consumer
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participant S as smcli (container)
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participant V as pwvault.turnsys.com
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U->>S: smcli login (SM_EMAIL, SM_PASSWORD, SM_TOTP_SECRET)
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S->>V: POST /api/accounts/prelogin {email}
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V-->>S: kdf type + iterations (PBKDF2 600k / Argon2id)
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S->>S: masterKey = KDF(password, email); authHash = PBKDF2(masterKey, password, 1)
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S->>V: POST /identity/connect/token (password grant, device fields)
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V-->>S: 400 Two factor required (provider 0)
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S->>S: TOTP code from SM_TOTP_SECRET (RFC 6238)
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S->>V: token request + twoFactorToken
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V-->>S: access_token (+Key, PrivateKey)
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S->>V: GET /api/sync
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V-->>S: profile.key (enc, type 2)
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S->>S: stretchedKey = HKDF(masterKey,"enc"/"mac"); userSymKey = decrypt(profile.key)
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S->>S: state.json 0600 (master/stretched/user keys + token)
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```
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Item payloads are type-2 encStrings (AES-256-CBC + HMAC-SHA256, 32B enc +
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32B mac keys) encrypted/decrypted locally; the vault never sees plaintext.
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## Consumer pattern
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```bash
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# env-style consumers (export lines; URI/USERNAME/PASSWORD + original keys)
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eval "$(docker exec -i ukrrs-secretsmgr-cli smcli env creds/<name>)"
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# surgical single-field rotation update
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docker exec -i ukrrs-secretsmgr-cli smcli setfield creds/<name> <KEY> <newvalue>
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```
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Items are LOGIN type: username + password/API-key as first-class fields,
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service URLs as URIs, remaining keys as named custom fields (hidden where
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secret). Original env key names are preserved as the custom-field names.
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## Rotation program (#829)
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All pre-migration material is presumed BURNED (plaintext on disk + LLM
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exposure). Waves, each item = rotate at source → `setfield` in vault →
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rewire consumers to `sm env` → validate (guard rule: never write the vault
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from a failed rotation):
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1. Tooling tokens (librenms*, wazuh ✓, grafana*, gvm, technitium, phpipam,
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rancher-sectest, beszel, pihole, PMG pair, PBS tokens)
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2. Agent identities (gitea agent-stack, vptechops gitea/redmine)
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3. Platform (cloudron API token, kuma, discourse)
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4. Deep-wired (flux PAT + gitea runner + HA on-box secrets.yaml + k8s
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secrets + PVE upsagent tokens)
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\* item-specific notes: librenms — token-mint API route absent on this
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install (UI/DB path); grafana — SSO-managed, local admin parked (instance
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password policy blocks CLI reset).
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## KNELBMS integration
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See [integration-knelbms.md](integration-knelbms.md). Short form: the BMS
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deploy pipeline (KNELBMS repo, packages/deploy_pipeline.yaml) consumes
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`gitea_auth_header` + `kuma_push_url` + `pve_*_api_token` from on-box
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`/config/secrets.yaml`; the vault is the source of record and rotations
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push to the box through the CR-gated provisioning path.
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