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Backstage Catalog Graph Plugin

Visualize relationships between the entities in your Software Catalog.

Created by SDA SE

Getting started is simple

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Installation steps

Install the plugin into Backstage.

cd packages/app
yarn add @backstage/plugin-catalog-graph'

Add the CatalogGraphPage.

// packages/app/src/App.tsx
<FlatRoutes>
  …
  <Route path="/catalog-graph" element={<CatalogGraphPage />} />…
</FlatRoutes>

Bind the external routes of the catalogGraphPlugin.

// packages/app/src/App.tsx
bindRoutes({ bind }) {
  …
  bind(catalogGraphPlugin.externalRoutes, {
    catalogEntity: catalogPlugin.routes.catalogEntity,
  });
  …
}

Add EntityCatalogGraphCard to any entity page that you want.

// packages/app/src/components/catalog/EntityPage.tsx
<Grid item md={6} xs={12}>
  <EntityCatalogGraphCard variant="gridItem" height={400} />
</Grid>

Found a mistake? Update these instructions.

How it looks

Backstage Catalog Graph Plugin showing relationships between entities

Things to know

Features

The plugin comes with these features:

  • EntityCatalogGraphCard: A card that displays the directly related entities to the current entity. This card is for use on the entity page. The card can be customized, for example filtering for specific relations.

  • CatalogGraphPage: A standalone page that can be added to your application providing a viewer for your entities and their relations. The viewer can be used to navigate through the entities and filter for specific relations. You can access it from the EntityCatalogGraphCard.

  • EntityRelationsGraph: A react component that can be used to build own customized entity relation graphs.

Prerequisites

The plugin will only display relationship that have already been set up between entities. You will need to define these yourself for services, api’s etc… in the catalog.yaml files.

i.e.

apiVersion: backstage.io/v1alpha1
kind: Component
metadata:
  name: wayback-search
  description: Search of the wayback machine
spec:
  type: service
  lifecycle: production
  owner: team-a
  providesApis:
    - wayback-search
  consumesApis:
    - wayback-archive

For more, please check out this post on how to model software in Backstage.

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