ambiguous-pointer opened a new pull request, #1460:
URL: https://github.com/apache/dubbo-admin/pull/1460
This change introduces a complete service and application topology
visualization feature based on
[discussion #1398](https://github.com/apache/dubbo-admin/discussions/1398)
and
[issue #1430](https://github.com/apache/dubbo-admin/issues/1430).
It adds both backend graph APIs and frontend AntV G6 visualization for
tracing upstream/downstream
relationships via `ServiceProviderMetadataResource` and
`ServiceConsumerMetadataResource`.
---
## ๐ Whatโs New
* **Application-level topology graph**
`GET /application/graph` returns provider/consumer application relations
as typed nodes
and edges. Each node declares its `type` (`application`) and `rule`
(`provider`/`consumer`/empty).
* **Service-level topology graph**
`GET /service/graph` returns provider/consumer applications for a given
service as a graph.
A central `service` node is connected to provider and consumer app nodes.
* **Service detail API**
`GET /service/detail` returns aggregated service metadata (language,
method names) derived
from all provider instances sharing the same `serviceKey`.
* **Service resource derivation**
`ServiceProviderMetadataEventSubscriber` now maintains `Service`
resources by aggregating
methods from all provider instances. Language is auto-detected from
provider metadata
parameters and method type signatures (golang/java).
* **Graph payload structure**
```json
{
"code": "Success",
"message": "success",
"data": {
"nodes": [
{
"id": "order-service",
"label": "order-service",
"type": "application",
"rule": "provider"
},
{
"id": "com.ecommerce.api.service.OrderService::",
"label": "com.ecommerce.api.service.OrderService::",
"type": "service",
"rule": ""
},
{
"id": "payment-service",
"label": "payment-service",
"type": "application",
"rule": "consumer"
}
],
"edges": [
{
"source": "com.ecommerce.api.service.OrderService::",
"target": "order-service",
"data": { "type": "provides" }
},
{
"source": "payment-service",
"target": "com.ecommerce.api.service.OrderService::",
"data": { "type": "consumes" }
}
]
}
}
- Frontend topology visualization
New Topology tab components for both Applications and Services pages,
rendered using AntV G6
with Vue-node integration. Clicking a node opens a detail drawer.
- New indexes for efficient queries
- idx_service_consumer_service_key on ServiceConsumerMetadataKind
- idx_service_name on ServiceKind
- Service proto simplification
Service.{providers,consumers,features} replaced with a single methods
[]string field,
derived by aggregating method names from all provider instances.
---
๐ Affected Areas / Review Checklist
- Console API (service package handlers)
- User Experience (graph visualization output)
- Core Component (discovery subscriber, indexers)
- Docs
- Dubboctl
- Feature
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