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Chapter 7. Customizing the Tech Radar page in Red Hat Developer Hub
In Red Hat Developer Hub, the Tech Radar page is provided by the tech-radar dynamic plugin, which is disabled by default. For information about enabling dynamic plugins in Red Hat Developer Hub see Configuring plugins in Red Hat Developer Hub.
In Red Hat Developer Hub, you can configure Learning Paths by passing the data into the app-config.yaml file as a proxy. The base Tech Radar URL must include the /developer-hub/tech-radar proxy.
Due to the use of overlapping pathRewrites for both the tech-radar and homepage quick access proxies, you must create the tech-radar configuration (^api/proxy/developer-hub/tech-radar) before you create the homepage configuration (^/api/proxy/developer-hub).
For more information about customizing the Home page in Red Hat Developer Hub, see Customizing the Home page in Red Hat Developer Hub.
You can provide data to the Tech Radar page from the following sources:
- JSON files hosted on GitHub or GitLab.
- A dedicated service that provides the Tech Radar data in JSON format using an API.
7.1. Using hosted JSON files to provide data to the Tech Radar page
Prerequisites
- You have installed Red Hat Developer Hub by using either the Operator or Helm chart. For more information, see Installing Red Hat Developer Hub on OpenShift Container Platform.
-
You have specified the data sources for the Tech Radar plugin in the
integrationssection of theapp-config.yamlfile. For example, to configure GitHub as an integration, see Authenticating with GitHub.
Procedure
To access the data from the JSON files, complete the following step:
-
Enable the
./dynamic-plugins/dist/backstage-community-plugin-tech-radarand/dynamic-plugins/dist/backstage-community-plugin-tech-radar-backend-dynamicplugins. Add the following code to the
app-config.yamlfile:techRadar: url: ${TECH_RADAR_DATA_URL} 1- 1
TECH_RADAR_DATA_URLis the URL from which the JSON data is loaded.
7.2. Using a dedicated service to provide data to the Tech Radar page
When using a dedicated service, you can do the following:
- Use the same service to provide the data to all configurable Developer Hub pages or use a different service for each page.
-
Use the
red-hat-developer-hub-customization-provideras an example service, which provides data for both the Home and Tech Radar pages. Thered-hat-developer-hub-customization-providerservice provides the same data as default Developer Hub data. You can fork thered-hat-developer-hub-customization-providerservice repository from GitHub and modify it with your own data, if required. -
Deploy the
red-hat-developer-hub-customization-providerservice and the Developer Hub Helm chart on the same cluster.
Prerequisites
- You have installed the Red Hat Developer Hub using Helm Chart. For more information, see Installing Red Hat Developer Hub on OpenShift Container Platform with the Helm chart.
Procedure
To use a separate service to provide the Tech Radar data, complete the following steps:
Add the dedicated service as an allowed host by adding the following code to the
app-config.yamlfile:backend: reading: allow: - host: 'hostname'Add the following to the
app-config.yamlfile:techRadar: url: ${TECH_RADAR_DATA_URL} 1- 1
TECH_RADAR_DATA_URLis the URL from which the JSON data is loaded.
