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fix(lightspeed): LS service Configurable port #1064

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Merged
rohitkrai03 merged 2 commits into from
Jul 2, 2025
Merged

fix(lightspeed): LS service Configurable port #1064

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c75b4c5
make LS service port configurable
karthikjeeyar Jun 26, 2025
ae4da0e
make LS service port configurable
karthikjeeyar Jun 26, 2025
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5 changes: 5 additions & 0 deletions workspaces/lightspeed/.changeset/cold-taxis-relax.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'@red-hat-developer-hub/backstage-plugin-lightspeed-backend': patch
---

Make Lightspeed service port configurable
3 changes: 2 additions & 1 deletion workspaces/lightspeed/plugins/lightspeed-backend/README.md
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Expand Up @@ -35,7 +35,8 @@ lightspeed:
- id: <server id>
url: <serverURL>
token: <api key>
questionValidation: true # Optional - To disable question (prompt) validation set it to false.
questionValidation: true # Optional - To disable question (prompt) validation set it to false.
servicePort: <portNumber> # Optional - Change the LS service port nubmer. Defaults to 8080.
```

Example local development configuration:
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5 changes: 5 additions & 0 deletions workspaces/lightspeed/plugins/lightspeed-backend/config.d.ts
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Expand Up @@ -42,5 +42,10 @@ export interface Config {
* @visibility frontend
*/
questionValidation?: boolean;
/**
* configure the port number for the lightspeed service.
* @visibility backend
*/
servicePort?: number;
};
}
6 changes: 4 additions & 2 deletions workspaces/lightspeed/plugins/lightspeed-backend/src/service/router.ts
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Expand Up @@ -51,6 +51,8 @@ export async function createRouter(
const router = Router();
router.use(express.json());

const port = config.getOptionalNumber('lightspeed.servicePort') ?? 8080;

router.get('/health', (_, response) => {
response.json({ status: 'ok' });
});
Expand Down Expand Up @@ -127,7 +129,7 @@ export async function createRouter(
// Proxy middleware configuration
const apiProxy = createProxyMiddleware({
// target: config.getConfigArray('lightspeed.servers')[0].getString('url'), // currently only single llm server is supported
target: 'http://0.0.0.0:8080',
target: `http://0.0.0.0:${port}`,
changeOrigin: true,
pathRewrite: (path, _) => {
// Add user query parameter from the authenticated user
Expand Down Expand Up @@ -170,7 +172,7 @@ export async function createRouter(
request.body.media_type = 'application/json'; // set media_type to receive start and end event
const requestBody = JSON.stringify(request.body);
const fetchResponse = await fetch(
`http://0.0.0.0:8080/v1/streaming_query?${userQueryParam}`,
`http://0.0.0.0:${port}/v1/streaming_query?${userQueryParam}`,
{
method: 'POST',
headers: {
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