HLD Sonic-Redfish with D-Bus Bridge#2
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chinmoy-nexthop wants to merge 2 commits intosonic-net:masterfrom
Open
HLD Sonic-Redfish with D-Bus Bridge#2chinmoy-nexthop wants to merge 2 commits intosonic-net:masterfrom
chinmoy-nexthop wants to merge 2 commits intosonic-net:masterfrom
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The SONiC D-Bus Bridge High-Level Design (HLD) document describes a service that runs on the BMC (ASPEED) to expose SONiC switch inventory and state information via OpenBMC-compatible D-Bus interfaces, enabling bmcweb to serve Redfish APIs without requiring a full OpenBMC stack. Key Features: - Data Integration: Aggregates data from multiple sources (Redis CONFIG_DB/STATE_DB, FRU EEPROMs, platform.json) with defined precedence rules - D-Bus Export: Exposes chassis inventory, system information, and host state via standard OpenBMC D-Bus interfaces - Event-Driven Updates: Uses Redis keyspace notifications for real-time synchronization - Host Power Control: Translates Redfish power control requests to SONiC STATE_DB commands - Redfish API Support: Enables Rack Manager integration for firmware management, power control, alerts, event subscriptions, and telemetry data collection Signed-off-by: Chinmoy Dey <chinmoy@nexthop.ai>
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| - Reflect changes in DEVICE_METADATA and CHASSIS_STATE into D-Bus properties. | ||
| - Publish host power transition requests into STATE_DB for the host to consume. | ||
| - Expose Redfish APIs for firmware management, alerting, event subscription and telemetry. | ||
| - Support certificate installation for secure communication (TBD). |
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Certificate installation is a requirement. Implementation details can be hashed out but those APIs will be supported.
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Certificate management is not within scope. Certificate creation, installation, and lifecycle management should be delegated to an automated certificate management service.
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| ## 9. Restrictions / Limitations | ||
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| - Only minimal inventory and host power control are implemented so far, ensors, fans, PSUs and logs are not yet exposed. |
| - Finalize STATE_DB schema documentation for host request publishing. | ||
| - Decide on CLI/ConfigDB knobs to enable/disable the bridge per platform. | ||
| - Extend the design to cover sensors, fans, PSUs and additional Redfish resources. | ||
| - **Test Integration with SONiC Management**: Create automated test suite covering unit tests (component-level), functional tests (D-Bus interface validation), and integration tests (end-to-end Redfish workflows). Leverage existing SONiC management test framework |
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We can create a separate document with sonic-redfish test plan
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Sure @roger-nexthop, I will take care of this section in a separate document.
Signed-off-by: Chinmoy Dey <chinmoy@nexthop.ai>
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The SONiC D-Bus Bridge High-Level Design (HLD) document describes a service that runs on the BMC (ASPEED) to expose SONiC switch inventory and state information via OpenBMC-compatible D-Bus interfaces, enabling bmcweb to serve Redfish APIs without requiring a full OpenBMC stack.
Key Features: