[server] Don't fetch the repository config a second time when starting incremental prebuilds

Author: jankeromnes

components/server/ee/src/prebuilds/incremental-prebuilds-service.ts

@@ -66,14 +66,14 @@ export class IncrementalPrebuildsService {
 
     public async findGoodBaseForIncrementalBuild(
         context: CommitContext,
+        config: WorkspaceConfig,
         history: WithCommitHistory,
         user: User,
     ): Promise<PrebuiltWorkspace | undefined> {
         if (!history.commitHistory || history.commitHistory.length < 1) {
             return;
         }
 
-        const { config } = await this.configProvider.fetchConfig({}, user, context);
         const imageSource = await this.imageSourceProvider.getImageSource({}, user, context, config);
 
         // Note: This query returns only not-garbage-collected prebuilds in order to reduce cardinality

components/server/ee/src/workspace/gitpod-server-impl.ts

@@ -117,11 +117,13 @@ import { BillingMode } from "@gitpod/gitpod-protocol/lib/billing-mode";
 import { BillingModes } from "../billing/billing-mode";
 import { UsageServiceDefinition } from "@gitpod/usage-api/lib/usage/v1/usage.pb";
 import { IncrementalPrebuildsService } from "../prebuilds/incremental-prebuilds-service";
+import { ConfigProvider } from "../../../src/workspace/config-provider";
 
 @injectable()
 export class GitpodServerEEImpl extends GitpodServerImpl {
     @inject(PrebuildManager) protected readonly prebuildManager: PrebuildManager;
     @inject(IncrementalPrebuildsService) protected readonly incrementalPrebuildsService: IncrementalPrebuildsService;
+    @inject(ConfigProvider) protected readonly configProvider: ConfigProvider;
     @inject(LicenseDB) protected readonly licenseDB: LicenseDB;
     @inject(LicenseKeySource) protected readonly licenseKeySource: LicenseKeySource;
 
@@ -982,9 +984,11 @@ export class GitpodServerEEImpl extends GitpodServerImpl {
             const logPayload = { mode, cloneUrl, commit: commitSHAs, prebuiltWorkspace };
             log.debug(logCtx, "Looking for prebuilt workspace: ", logPayload);
             if (prebuiltWorkspace?.state !== "available" && mode === CreateWorkspaceMode.UseLastSuccessfulPrebuild) {
+                const { config } = await this.configProvider.fetchConfig({}, user, context);
                 const history = await this.incrementalPrebuildsService.getCommitHistoryForContext(context, user);
                 prebuiltWorkspace = await this.incrementalPrebuildsService.findGoodBaseForIncrementalBuild(
                     context,
+                    config,
                     history,
                     user,
                 );

components/server/ee/src/workspace/workspace-factory.ts

@@ -121,6 +121,7 @@ export class WorkspaceFactoryEE extends WorkspaceFactory {
             let ws;
             const recentPrebuild = await this.incrementalPrebuildsService.findGoodBaseForIncrementalBuild(
                 commitContext,
+                config,
                 context,
                 user,
             );