use larger tmp

Author: eyw520

servers/fai-lambda-deploy/scripts/fai-scribe-stack.ts

@@ -1,5 +1,5 @@
 import { type EnvironmentInfo, EnvironmentType } from "@fern-fern/fern-cloud-sdk/api";
-import { CfnOutput, Duration, RemovalPolicy, Stack, type StackProps } from "aws-cdk-lib";
+import { CfnOutput, Duration, RemovalPolicy, Size, Stack, type StackProps } from "aws-cdk-lib";
 import * as apigateway from "aws-cdk-lib/aws-apigateway";
 import { Certificate } from "aws-cdk-lib/aws-certificatemanager";
 import * as ec2 from "aws-cdk-lib/aws-ec2";
@@ -110,6 +110,7 @@ export class FaiScribeStack extends Stack {
             }),
             timeout: Duration.minutes(15),
             memorySize: 512,
+            ephemeralStorageSize: Size.mebibytes(2048),
             logGroup,
             vpc: this.vpc,
             vpcSubnets: {

servers/fai-lambda/shared/utils/git.py

@@ -29,7 +29,7 @@ def cleanup_old_sessions(base_path: Path, max_age_hours: int = 24) -> None:
 
 
 def clone_repo(repository: str, session_id: str, session_type: str = "session") -> str:
-    """Clone a GitHub repository into EFS storage.
+    """Clone a GitHub repository into /tmp with aggressive cleanup.
 
     Args:
         repository: GitHub repository in format 'owner/repo'
@@ -43,13 +43,12 @@ def clone_repo(repository: str, session_id: str, session_type: str = "session")
     if not github_token:
         raise RuntimeError("GITHUB_TOKEN environment variable not set")
 
-    base_path = Path(os.environ.get("HOME", "/mnt/efs")) / "repos"
+    base_path = Path("/tmp")
     session_path = base_path / f"{session_type}-{session_id}" / repository
 
-    base_path.mkdir(parents=True, exist_ok=True)
-    session_path.parent.mkdir(parents=True, exist_ok=True)
+    cleanup_old_sessions(base_path, max_age_hours=1)
 
-    cleanup_old_sessions(base_path)
+    session_path.parent.mkdir(parents=True, exist_ok=True)
 
     if session_path.exists():
         logger.info(f"Removing existing session path: {session_path}")