Slik.Cache

Distributed In-process Cache in C# and Net 5.0/6.0 with external gRPC API (HTTP/2, client/server certificates)

Based on a magnificent dotNext library and its Raft cluster implementation.

Implements IDistributedCache, a standard interface for .Net Core cache.

Simple initialization:

await Host
    .CreateDefaultBuilder()
    .UseSlik(new SlikOptions 
    { 
        Host = new IPEndPoint(IPAddress.Loopback, 3092),
        Members = new[] { "localhost:3092", "localhost:3093", "localhost:3094" }
    })
    .Build()
    .RunAsync();

Usage:

public class CacheConsumer
{
  private readonly IDistributedCache _cache;

  public CacheConsumer(IDistributedCache cache)
  {
      _cache = cache;
      _cache.SetString("Greeting", "Hello, world");
  }

  //...  
}

Update any node, updates are redirected to a cluster leader, and are replicated automatically to each node.

Sample project: examples/SlikNode

How to run a minimal cluster:

SlikNode --port=3092 --folder="node 1" --members=localhost:3092,localhost:3093,localhost:3094
SlikNode --port=3093 --folder="node 2" --members=localhost:3092,localhost:3093,localhost:3094
SlikNode --port=3094 --folder="node 3" --members=localhost:3092,localhost:3093,localhost:3094

Roadmap

• [x] Self-signed certificates generation
• [x] Support adding/removal of cluster members in runtime
• [x] More unit and integration tests to cover adding/removing cluster members
• [ ] Docker compose for starting cluster in containers
• [ ] Use IMemberDiscoveryService instead of config changes for cluster membership
• [ ] Decouple command handling with Interpreter Framework
• [ ] Optimize log entries, binary format instead of JSON
• [ ] Backgound log compaction
• [ ] Distributed locks

Slik.Cord

A gRPC HTTP proxy for containerd in C# and Net 5.0/6.0. Containerd API works locally via Unix domain socket (in Linux) or named pipe (in Windows), not allowing to connect to it from another computer/container. This proxy can solve the problem. Current implementation doesn't work on Windows.

Usage

Run SlikCord (preferably in a container). Connect to port 80 from any client with gRPC support using the regular containerd API.

Roadmap

• [x] Support for all containerd APIs
• [x] Integration tests for containers, images, version, content, events, introspection, namespaces
• [ ] Integration tests for diff, leases, snapshots, tasks, ttrpc-events
• [ ] Switch to HTTPS
• [ ] Support self-signed certificates
• [ ] Named pipes support
• [x] Unix domain socket on Linux support
• [ ] Unix domain socket on Windows support