Minimum runc shim implementation

Cargo.toml

@@ -5,5 +5,6 @@ members = [
     "crates/shim-protos",
     "crates/shim",
     "crates/snapshots",
-    "crates/runc"
+    "crates/runc",
+    "crates/runc-shim",
 ]

crates/runc-shim/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "containerd-shim-runc-v2"
+version = "0.1.0"
+authors = ["Shaobao Feng <fshb1988@gmail.com>", "Tianyang Zhang <burning9699@gmail.com>"]
+edition = "2018"
+license = "Apache-2.0"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[features]
+async = []
+
+[dependencies]
+containerd-shim = { path = "../shim", version = "0.2.0" }
+nix = "0.23.1"
+time = { version = "0.3.7", features = ["serde", "std"] }
+serde = { version = "1.0.133", features = ["derive"] }
+serde_json = "1.0.74"
+oci-spec = "0.5.4"
+
+runc = { path = "../runc", version = "0.1.0" }
+
+[profile.release]
+panic = 'abort'

crates/runc-shim/README.md

@@ -0,0 +1,14 @@
+# Rust containerd shim v2 for runc container
+
+This is a binary crate that provides a containerd shim for runc container.
+
+## Usage
+
+To build binary, run:
+```shell
+cargo build --release
+```
+
+Replace it to the containerd shim dir: `/usr/local/bin/containerd-shim-runc-v2`
+
+You can run a container by `ctr`, `crictl` or kubernetes API.

crates/runc-shim/src/main.rs

@@ -0,0 +1,23 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+mod runc;
+mod service;
+
+use crate::service::Service;
+
+fn main() {
+    containerd_shim::run::<Service>("io.containerd.runc.v2", None)
+}