Add warning to ws metadata when starting workspace

Author: filiptronicek

components/dashboard/src/workspaces/CreateWorkspacePage.tsx

@@ -552,6 +552,11 @@ export function CreateWorkspacePage() {
                                 <span className="text-sm">{warningIde}</span>
                             </Alert>
                         )}
+                        {workspaceContext.data?.data.metadata?.warnings.map((w) => (
+                            <Alert type="warning" key={w}>
+                                <span className="text-sm">{w}</span>
+                            </Alert>
+                        )) ?? []}
 
                         <InputField>
                             <RepositoryFinder

components/gitpod-protocol/src/protocol.ts

@@ -1018,6 +1018,8 @@ export interface WorkspaceContext {
     normalizedContextURL?: string;
     forceCreateNewWorkspace?: boolean;
     forceImageBuild?: boolean;
+    // The context can have non-blocking warnings that should be displayed to the user.
+    warnings?: string[];
 }
 
 export namespace WorkspaceContext {

components/public-api/gitpod/v1/workspace.proto

@@ -316,6 +316,9 @@ message WorkspaceMetadata {
   // original_context_url is the normalized URL from which the workspace was
   // created
   string original_context_url = 7;
+
+  // warnings are user-facing warnings that should be displayed to the user when trying to start the workspace
+  repeated string warnings = 8;
 }
 
 // WorkspaceSpec specifies the configuration of a workspace for a workspace