erpsaas — Odoo en mode SaaS multi-serveurs

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flowchart TB
  U([Client / Navigateur]):::ext
  U -->|https://client.legeniconsulting.cm| DNS[["DNS wildcard
*.legeniconsulting.cm → passerelle"]]
  DNS --> NG{{"Nginx + Certbot
Passerelle unique · passerelle"}}:::gw
  NG -->|proxy_pass serveur:port| S1
  NG -->|proxy_pass serveur:port| S2
  NG -->|proxy_pass serveur:port| S3

  subgraph POOL["Pool de serveurs (placement selon RAM libre)"]
    direction LR
    subgraph M1["master1 · passerelle (local)"]
      API["API Provisioning
FastAPI :9000 (pare-feu)"]:::api
      REG[("tenants.db
SQLite")]:::db
      S1["Stack tenant A
odoo_saas_A · pg · pgadmin"]:::ten
    end
    subgraph W1["worker1 · worker1"]
      S2["Stack tenant B"]:::ten
    end
    subgraph M2["master2 · master2"]
      S3["Stack tenant C"]:::ten
    end
  end

  API --- REG
  API -.commande locale / SSH.-> M1
  API -.SSH.-> W1
  API -.SSH.-> M2
  IMG["Image odoo_saas_base:19
+ common_addons"]:::img -.->|base commune| S1 & S2 & S3

  classDef gw fill:#178f4e,stroke:#0d6a39,color:#fff;
  classDef api fill:#dbeafe,stroke:#0e7490,color:#0b3a45;
  classDef db fill:#fff5da,stroke:#b9820b,color:#5a3f00;
  classDef ten fill:#eef7f1,stroke:#178f4e,color:#16201a;
  classDef img fill:#f0eefb,stroke:#6d5ce0,color:#2c2560;
  classDef ext fill:#fff,stroke:#8a988e,color:#16201a;
    

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stateDiagram-v2
  [*] --> provisioning: POST /tenants
  provisioning --> active: déploiement OK
  provisioning --> failed: erreur (rollback statut)
  active --> suspended: /suspend (compose stop)
  suspended --> active: /resume (compose start)
  active --> purged: DELETE (compose down -v + nettoyage)
  failed --> purged: DELETE
  purged --> [*]
    

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sequenceDiagram
  autonumber
  participant C as Commande (client/admin)
  participant API as API Provisioning
  participant S as Serveur cible
  participant N as Nginx/Certbot (passerelle)
  C->>API: POST /tenants {slug, modules, email}
  API->>API: valider slug · choisir serveur (RAM) · allouer ports
  API->>API: registre → statut « provisioning »
  API->>S: rendre compose+conf · docker compose up
  API->>S: attendre Odoo (/web/login = 200/303)
  API->>S: init base -i base,modules --without-demo
  API->>S: définir login + mot de passe admin du client
  API->>N: vhost HTTP · certbot (Let's Encrypt) · vhost HTTPS · reload
  API->>API: registre → statut « active »
  API-->>C: url + admin_email + admin_password
    

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flowchart LR
  A["1 · Client choisit
un pack de service"]:::step --> B["2 · Commande
POST /tenants (async)"]:::step
  B --> P{{"3 · Job de provisioning
en tâche de fond"}}:::gw
  P --> ST{"Statut
(GET /tenants/slug)"}:::step
  ST -->|provisioning| W["Page d'attente
+ progression / polling"]:::wait
  W -.re-vérifie.-> ST
  ST -->|active ✔| R["4 · PRÊT"]:::ok
  ST -->|failed ✖| F["Échec → alerte
+ relance possible"]:::err
  R --> L["5a · Afficher le lien
https://client…"]:::ok
  R --> M["5b · E-mail au client :
lien + identifiants"]:::ok

  classDef step fill:#eef7f1,stroke:#178f4e,color:#16201a;
  classDef gw fill:#178f4e,stroke:#0d6a39,color:#fff;
  classDef wait fill:#dbeafe,stroke:#0e7490,color:#0b3a45;
  classDef ok fill:#dff3e6,stroke:#178f4e,color:#0d6a39;
  classDef err fill:#fbe4e0,stroke:#c0392b,color:#7a231a;