Need ability to host multiple BPPs on same server for cost efficiency

[ameetdesh]

@DevangMstryls needs ability for Onix to sign outgoing messages by private keys for different BPPs, based on BPP uri in context and predefined routing rules. This will allow Onix to be multi-tenant, and save hosting/compute costs, in case a platform is acting on behalf of multiple BPPs.

++ @biodatanet

[ameetdesh]

@nirmalnr provided this solution for the same. @DevangMstryls let us know if this does not work for you.

local-beckn-one-bpp.yaml

appName: "onix-local"
log:
  level: debug
  destinations:
    - type: stdout
  contextKeys:
    - transaction_id
    - message_id
    - subscriber_id
    - module_id
http:
  port: 8082
  timeout:
    read: 30
    write: 30
    idle: 30
pluginManager:
  root: ./plugins
modules:
  - name: bppTxnReceiver
    path: /bpp/receiver/
    handler:
      type: std
      role: bpp
      httpClientConfig:
        maxIdleConns: 1000
        maxIdleConnsPerHost: 200
        idleConnTimeout: 300s
        responseHeaderTimeout: 5s
      plugins:
        registry:
          id: dediregistry
          config:
            url: https://api.testnet.beckn.one/registry/dedi # This is the testnet URL. The production URL is https://api.beckn.one/registry/dedi
            registryName: subscribers.beckn.one # This is the wildcard string used to lookup across registries in Beckn One. Do not change this.
            timeout: 10
            retry_max: 3
            retry_wait_min: 100ms
            retry_wait_max: 500ms
        keyManager:
          id: simplekeymanager
          config:
            networkParticipant: ev-charging.sandbox2.com
            keyId: 76EU7ncBX74BMNTQJMcMYoTMSzU7k71owUF53fN4jdxmosxZrdjdDk
            signingPrivateKey: hnMdzvcZBnLJ6W1f4Y2ZCLlJo4phKMvs48ZbXjbS7/k=
            signingPublicKey: H1xM/ejGIJpH+DmAF1A9KjBBLJ74pZ8B0gnZ4z4DIkU=
            encrPrivateKey: hnMdzvcZBnLJ6W1f4Y2ZCLlJo4phKMvs48ZbXjbS7/k=
            encrPublicKey: H1xM/ejGIJpH+DmAF1A9KjBBLJ74pZ8B0gnZ4z4DIkU=
        cache:
          id: cache
          config:
            addr: redis:6379
        schemaValidator:
          id: schemav2validator
          config:
            type: url
            location: https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/api/beckn.yaml
            cacheTTL: "3600"
            extendedSchema_enabled: "true"
            extendedSchema_cacheTTL: "86400"
            extendedSchema_maxCacheSize: "100"
            extendedSchema_downloadTimeout: "30"
            extendedSchema_allowedDomains: "beckn.org,example.com,  raw.githubusercontent.com"
        signValidator:
          id: signvalidator
        router:
          id: router
          config:
            routingConfig: ./config/local-beckn-one-routing-BPPReceiver.yaml
      steps:
        - validateSign
        - addRoute
        - validateSchema
  
  - name: bppCPO1TxnCaller
    path: /bpp/cpo1/caller/
    handler:
      type: std
      role: bpp
      httpClientConfig:
        maxIdleConns: 1000
        maxIdleConnsPerHost: 200
        idleConnTimeout: 300s
        responseHeaderTimeout: 5s
      plugins:
        registry:
          id: dediregistry
          config:
            url: https://api.testnet.beckn.one/registry/dedi # This is the testnet URL. The production URL is https://api.beckn.one/registry/dedi
            registryName: subscribers.beckn.one # This is the wildcard string used to lookup across registries in Beckn One. Do not change this.
            timeout: 10
            retry_max: 3
            retry_wait_min: 100ms
            retry_wait_max: 500ms
        keyManager:
          id: simplekeymanager
          config:
            networkParticipant: cpo1.com
            keyId: <cpo1-key-id>
            signingPrivateKey: <cpo1-signing-private-key>
            signingPublicKey: <cpo1-signing-public-key>
            encrPrivateKey: <cpo1-encryption-private-key>
            encrPublicKey: <cpo1-encryption-public-key>
        cache:
          id: cache
          config:
            addr: redis:6379
        schemaValidator:
          id: schemav2validator
          config:
            type: url
            location: https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/api/beckn.yaml
            cacheTTL: "3600"
            extendedSchema_enabled: "true"
            extendedSchema_cacheTTL: "86400"
            extendedSchema_maxCacheSize: "100"
            extendedSchema_downloadTimeout: "30"
            extendedSchema_allowedDomains: "beckn.org,example.com,raw.githubusercontent.com"
        router:
          id: router
          config:
            routingConfig: ./config/local-beckn-one-routing-BPPCaller.yaml
        signer:
          id: signer
        middleware:
          - id: reqpreprocessor
            config:
              uuidKeys: transaction_id,message_id
              role: bpp          
      steps:
        - addRoute
        - sign
        - validateSchema

  - name: bppCPO2TxnCaller
    path: /bpp/cpo2/caller/
    handler:
      type: std
      role: bpp
      httpClientConfig:
        maxIdleConns: 1000
        maxIdleConnsPerHost: 200
        idleConnTimeout: 300s
        responseHeaderTimeout: 5s
      plugins:
        registry:
          id: dediregistry
          config:
            url: https://api.testnet.beckn.one/registry/dedi # This is the testnet URL. The production URL is https://api.beckn.one/registry/dedi
            registryName: subscribers.beckn.one # This is the wildcard string used to lookup across registries in Beckn One. Do not change this.
            timeout: 10
            retry_max: 3
            retry_wait_min: 100ms
            retry_wait_max: 500ms
        keyManager:
          id: simplekeymanager
          config:
            networkParticipant: cpo2.com
            keyId: <cpo2-key-id>
            signingPrivateKey: <cpo2-signing-private-key>
            signingPublicKey: <cpo2-signing-public-key>
            encrPrivateKey: <cpo2-encryption-private-key>
            encrPublicKey: <cpo2-encryption-public-key>
        cache:
          id: cache
          config:
            addr: redis:6379
        schemaValidator:
          id: schemav2validator
          config:
            type: url
            location: https://raw.githubusercontent.com/beckn/protocol-specifications-new/refs/heads/main/api/beckn.yaml
            cacheTTL: "3600"
            extendedSchema_enabled: "true"
            extendedSchema_cacheTTL: "86400"
            extendedSchema_maxCacheSize: "100"
            extendedSchema_downloadTimeout: "30"
            extendedSchema_allowedDomains: "beckn.org,example.com,raw.githubusercontent.com"
        router:
          id: router
          config:
            routingConfig: ./config/local-beckn-one-routing-BPPCaller.yaml
        signer:
          id: signer
        middleware:
          - id: reqpreprocessor
            config:
              uuidKeys: transaction_id,message_id
              role: bpp          
      steps:
        - addRoute
        - sign
        - validateSchema