containers/youki
Youki
Youki is an OCI container runtime written in Rust. It implements the Open Container Initiative runtime specification to manage the lifecycle of containerized processes and ensure compatibility with standard container images and engines.
The runtime is designed for memory safety and supports rootless container execution, allowing containers to run as non-root users to reduce security risks and limit privilege escalation.
It provides core container management capabilities, including spawning and managing OCI containers. This is achieved through Linux namespace isolation, cgroup-based resource limiting, and user namespace mapping to partition processes from the host operating system.
Features
- OCI Container Process Management - Implements the OCI runtime specification to manage the complete lifecycle of containerized processes.
- Container Runtimes - Serves as an OCI-compliant container runtime for executing isolated application workloads.
- OCI Runtime Implementations - Adheres to the Open Container Initiative specifications to ensure compatibility across container engines.
- Namespace-Based Isolation - Utilizes Linux kernel namespaces to isolate network, mount, and process views from the host.
- System Call Interfaces - Directly invokes Linux kernel system calls to handle process spawning and root filesystem pivoting.
- Rootless Container Runtimes - Provides a runtime environment that allows containers to run without requiring root privileges on the host.
- User Namespace Mappings - Maps container root users to non-privileged host users to enable rootless container execution.
- Memory Safety - Leverages Rust's ownership model to ensure memory safety during low-level kernel interactions.
- Rust Systems Programming - Uses Rust for systems programming to provide a high-performance, memory-safe container runtime.
- Container Runtimes - Implements a systems-level container runtime using Rust for enhanced memory safety and performance.
- Container Cgroup Resource Limits - Implements cgroup-based resource limits to restrict CPU, memory, and I/O consumption for containers.
- Container Engines - Container runtime implementation written in Rust.
- runc - Listed in the “runc” section of the Awesome Alternatives In Rust awesome list.
