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winterbaume-efs

EFS service implementation for winterbaume.

Coverage

MetricValue
ServiceEFS
AWS modelefs
ProtocolrestJson1
winterbaume coverage31/31 operations (100.0%)
stubs (routed, returns empty/default)0/31 operations (0.0%)
moto coverage19/31 operations (61.3%)
floci coverage0/31 operations (0.0%)
kumo coverage0/31 operations (0.0%)
Coverage report date2026-05-13

Server-mode usage

Start winterbaume-server and point the AWS CLI at it:

sh
cargo run -p winterbaume-server -- --host 127.0.0.1 --port 5555
sh
export AWS_ENDPOINT_URL=http://localhost:5555
aws efs describe-file-systems

Current Network Resource Stub Semantics

EFS currently models mount targets with service-local network metadata.

  • CreateMountTarget stores the supplied subnet ID and security groups, mints a synthetic mount target ID and network interface ID, and returns a VPC ID from local EFS logic rather than EC2 subnet state.
  • Mount target lifecycle and file-system mount target counts are maintained inside EFS state.
  • DescribeMountTargetSecurityGroups and ModifyMountTargetSecurityGroups read and replace the stored security group list only.
  • The implementation does not consult winterbaume-ec2 state for these identifiers, so it does not check that referenced VPCs, subnets, security groups, VPC endpoints, network interfaces, or load balancers exist, belong to the same VPC, or are in a usable lifecycle state.

Example

rust
use aws_sdk_efs::config::BehaviorVersion;
use winterbaume_core::MockAws;
use winterbaume_efs::EfsService;

#[tokio::main]
async fn main() {
    let mock = MockAws::builder().with_service(EfsService::new()).build();

    let config = aws_config::defaults(BehaviorVersion::latest())
        .http_client(mock.http_client())
        .credentials_provider(mock.credentials_provider())
        .region(aws_sdk_efs::config::Region::new("us-east-1"))
        .load()
        .await;

    let client = aws_sdk_efs::Client::new(&config);

    let resp = client
        .describe_file_systems()
        .send()
        .await
        .expect("describe_file_systems should succeed");
    println!("EFS file systems: {}", resp.file_systems().len());
}

Implemented APIs (31)

  • CreateAccessPoint
  • CreateFileSystem
  • CreateMountTarget
  • CreateReplicationConfiguration
  • CreateTags
  • DeleteAccessPoint
  • DeleteFileSystem
  • DeleteFileSystemPolicy
  • DeleteMountTarget
  • DeleteReplicationConfiguration
  • DeleteTags
  • DescribeAccessPoints
  • DescribeAccountPreferences
  • DescribeBackupPolicy
  • DescribeFileSystemPolicy
  • DescribeFileSystems
  • DescribeLifecycleConfiguration
  • DescribeMountTargetSecurityGroups
  • DescribeMountTargets
  • DescribeReplicationConfigurations
  • DescribeTags
  • ListTagsForResource
  • ModifyMountTargetSecurityGroups
  • PutAccountPreferences
  • PutBackupPolicy
  • PutFileSystemPolicy
  • PutLifecycleConfiguration
  • TagResource
  • UntagResource
  • UpdateFileSystem
  • UpdateFileSystemProtection

Released under the Apache-2.0 License. This project is not affiliated with or endorsed by Amazon Web Services.