The OCM UI staging i.e[ https://console.dev.redhat.com/openshift|https://console.dev.redhat.com/openshift/] reports "This page is temporarily unavailable" due to network error and block all operations from UI.
Error from browser console as below
Access to XMLHttpRequest at 'https://api.stage.openshift.com/api/authorizations/v1/self_resource_review' from origin 'https://console.dev.redhat.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. 9766.95d39da679eed9c5.js:1 POST https://api.stage.openshift.com/api/authorizations/v1/self_resource_review net::ERR_FAILED window.XMLHttpRequest.send @ 9766.95d39da679eed9c5.js:1 (anonymous) @ trycatch.js:164 (anonymous) @ xhr.js:135 (anonymous) @ xhr.js:258 xhr @ xhr.js:49 Pe @ dispatchRequest.js:51 Promise.then (async) _request @ Axios.js:146 request @ Axios.js:40 (anonymous) @ Axios.js:209 (anonymous) @ bind.js:5 selfResourceReview @ authorizationsService.ts:13 (anonymous) @ clustersActions.ts:291 (anonymous) @ bundle.140.e32039e58e5e5009.js:3 S @ bundle.140.e32039e58e5e5009.js:3 (anonymous) @ clustersActions.ts:279 (anonymous) @ clustersActions.ts:400 (anonymous) @ redux-thunk.mjs:5 n.<computed> @ react-redux.production.min.cjs:1 (anonymous) @ ClusterList.jsx:137 (anonymous) @ RefreshButton.tsx:66 (anonymous) @ RefreshButton.tsx:32 a @ helpers.js:90 setInterval (async) (anonymous) @ trycatch.js:106 (anonymous) @ RefreshButton.tsx:34 ol @ chrome-root.4c4574464c3aeab7.js:2 Su @ chrome-root.4c4574464c3aeab7.js:2 uu @ chrome-root.4c4574464c3aeab7.js:2 zo @ chrome-root.4c4574464c3aeab7.js:2 (anonymous) @ chrome-root.4c4574464c3aeab7.js:2 wu @ chrome-root.4c4574464c3aeab7.js:2 au @ chrome-root.4c4574464c3aeab7.js:2 w @ chrome-root.4c4574464c3aeab7.js:2 x @ chrome-root.4c4574464c3aeab7.js:2
“403 Forbidden” reported when trying to access ‘/api/authorizations/v1/self_resource_review’ from browser side.
Note: This is blocking all testing efforts and operations from QE against OCM UI staging. We would need an immediate attention to solve it.