Linkerd

Linkerd Edges API

Connection topology between resources

GitHub OpenAPI

Operations 1

POST /api/v1/edges Linkerd Get edges between resources #

Documentation

📖
Documentation
https://linkerd.io/2-edge/reference/proxy-configuration/
📖
Documentation
https://linkerd.io/2-edge/reference/cli/viz/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/openapi/linkerd-edges-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/json-schema/stat-summary.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/json-schema/edge.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/json-schema/gateway.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/json-schema/tap-event.json

Other Resources

🔗
Reference
https://linkerd.io/2-edge/reference/proxy-metrics/
🔗
JSONLD
https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/json-ld/linkerd-context.jsonld

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OpenAPI Specification

linkerd-edges-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Linkerd Viz Metrics Edges API
  description: The Linkerd Viz extension provides a metrics API that powers the linkerd viz CLI commands and the Linkerd dashboard. It queries Prometheus for golden metrics including request volume, success rate, and latency distributions for HTTP, HTTP/2, and gRPC traffic across meshed workloads.
  version: 2.x
  contact:
    name: Linkerd
    url: https://linkerd.io/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://metrics-api.linkerd-viz.svc.cluster.local:8085
  description: Linkerd Viz Metrics API service (in-cluster)
tags:
- name: Edges
  description: Connection topology between resources
paths:
  /api/v1/edges:
    post:
      operationId: getEdges
      summary: Linkerd Get edges between resources
      description: Returns the observed edges (connections) between meshed resources, including information about mTLS status. This powers the linkerd viz edges command.
      tags:
      - Edges
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EdgesRequest'
      responses:
        '200':
          description: Edges response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EdgesResponse'
        '500':
          description: Internal server error
components:
  schemas:
    EdgesRequest:
      type: object
      properties:
        resource_type:
          type: string
        namespace:
          type: string
      required:
      - resource_type
    Edge:
      type: object
      properties:
        src:
          $ref: '#/components/schemas/Resource'
        dst:
          $ref: '#/components/schemas/Resource'
        client_id:
          type: string
          description: TLS client identity
        server_id:
          type: string
          description: TLS server identity
        no_identity_msg:
          type: string
          description: Reason for missing mTLS identity
    Resource:
      type: object
      properties:
        namespace:
          type: string
        type:
          type: string
        name:
          type: string
    EdgesResponse:
      type: object
      properties:
        ok:
          type: object
          properties:
            edges:
              type: array
              items:
                $ref: '#/components/schemas/Edge'
        error:
          type: object
          properties:
            error:
              type: string
externalDocs:
  description: Linkerd Viz CLI Reference
  url: https://linkerd.io/2-edge/reference/cli/viz/