wip

examples/scripts/_archive/containerd_grpc_setup.rhai

@@ -0,0 +1,210 @@
+// containerd_grpc_setup.rhai
+//
+// This script sets up a Rust project with gRPC connectivity to containerd
+// Following the steps from the instructions document
+
+
+run("apt-get -y protobuf-compiler ");
+
+// Step 1: Set up project directory
+let project_dir = "/tmp/containerd-rust-client";
+print(`Setting up project in: ${project_dir}`);
+
+// Clean up any existing directory
+if exist(project_dir) {
+    print("Found existing project directory, removing it...");
+    delete(project_dir);
+}
+
+// Create our project directory
+mkdir(project_dir);
+
+// Change to the project directory
+chdir(project_dir);
+
+// Step 2: Clone containerd's gRPC proto files
+print("Cloning containerd repository to get proto files...");
+let git_tree = gittree_new(project_dir);
+let repos = git_tree.get("https://github.com/containerd/containerd.git");
+let repo = repos[0];
+print(`Cloned containerd repository to: ${repo.path()}`);
+
+// Step 3: Create necessary project files
+print("Creating Cargo.toml file...");
+// Using raw string with # for multiline content
+let cargo_toml = #"
+[package]
+name = "containerd-rust-client"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+tonic = "0.11"
+prost = "0.12"
+tokio = { version = "1", features = ["full"] }
+hyper-unix-connector = "0.2.0"
+tower = "0.4"
+
+[build-dependencies]
+tonic-build = "0.11"
+"#;
+
+file_write("Cargo.toml", cargo_toml);
+print("Created Cargo.toml file");
+
+// Step 4: Set up build.rs to compile protos
+print("Creating build.rs file...");
+let build_rs = #"
+fn main() {
+    println!("cargo:rerun-if-changed=containerd/api/services/images/v1/images.proto");
+    println!("cargo:rerun-if-changed=containerd/api/services/containers/v1/containers.proto");
+    
+    tonic_build::configure()
+        .build_server(false)
+        .compile(
+            &[
+                "containerd/api/services/images/v1/images.proto", 
+                "containerd/api/services/containers/v1/containers.proto",
+                // Add more proto files as needed
+            ],
+            &[
+                "containerd", 
+                "containerd/api", 
+                "containerd/api/types"
+            ],
+        )
+        .unwrap();
+}
+"#;
+
+file_write("build.rs", build_rs);
+print("Created build.rs file");
+
+// Step 5: Create src directory and main.rs file
+mkdir("src");
+
+// Create a helper function for Unix socket connection
+print("Creating src/main.rs file...");
+let main_rs = #"
+use tonic::transport::{Channel, Endpoint, Uri};
+use tower::service_fn;
+use std::convert::TryFrom;
+
+// The proto-generated modules will be available after build
+// use containerd::services::images::v1::{
+//     images_client::ImagesClient,
+//     GetImageRequest,
+// };
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("Connecting to containerd gRPC...");
+    
+    // Path to containerd socket
+    let socket_path = "/run/containerd/containerd.sock";
+    
+    // Connect to the Unix socket
+    let channel = unix_socket_channel(socket_path).await?;
+    
+    // Now we'd create a client and use it
+    // let mut client = ImagesClient::new(channel);
+    // let response = client.get(GetImageRequest {
+    //     name: "docker.io/library/ubuntu:latest".to_string(),
+    // }).await?;
+    // println!("Image: {:?}", response.into_inner());
+    
+    println!("Connection to containerd socket established successfully!");
+    println!("This is a template - uncomment the client code after building.");
+    
+    Ok(())
+}
+
+// Helper function to connect to Unix socket
+async fn unix_socket_channel(path: &str) -> Result<Channel, Box<dyn std::error::Error>> {
+    // Use a placeholder URI since Unix sockets don't have URIs
+    let endpoint = Endpoint::try_from("http://[::]:50051")?;
+    
+    // The socket path to connect to
+    let path_to_connect = path.to_string();
+    
+    // Create a connector function that connects to the Unix socket
+    let channel = endpoint
+        .connect_with_connector(service_fn(move |_: Uri| {
+            let path = path_to_connect.clone();
+            async move {
+                tokio::net::UnixStream::connect(path)
+                    .await
+                    .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))
+            }
+        }))
+        .await?;
+    
+    Ok(channel)
+}
+"#;
+
+file_write("src/main.rs", main_rs);
+print("Created src/main.rs file");
+
+// Step 6: Create a README.md file
+print("Creating README.md file...");
+// Using raw string with # for multiline content containing markdown backticks
+let readme = #"# containerd Rust gRPC Client
+
+A Rust client for interacting with containerd via gRPC.
+
+## Prerequisites
+
+- Rust and Cargo installed
+- containerd running on your system
+
+## Building
+
+```bash
+cargo build
+```
+
+## Running
+
+```bash
+cargo run
+```
+
+## Features
+
+- Connect to containerd via Unix socket
+- Query image information
+- Work with containers
+
+## Structure
+
+- `src/main.rs` - Example client code
+- `build.rs` - Proto compilation script
+"#;
+
+file_write("README.md", readme);
+print("Created README.md file");
+
+// Step 7: Build the project
+print("Building the project...");
+let build_result = run("cargo build");
+
+if build_result.success {
+    print("Project built successfully!");
+} else {
+    print(`Build failed with error: ${build_result.stderr}`);
+}
+
+print(`
+--------------------------------------
+🎉 Setup complete!
+
+Project created at: ${project_dir}
+
+To use the project:
+1. cd ${project_dir}
+2. cargo run
+
+Note: Make sure containerd is running and the socket exists at /run/containerd/containerd.sock
+--------------------------------------
+`);