sal/rhaiexamples/07_nerdctl_operations.rhai
2025-04-04 21:51:31 +02:00

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// 07_nerdctl_operations.rhai
// Demonstrates container operations using SAL's nerdctl integration
// Note: This script requires nerdctl to be installed and may need root privileges
// Check if nerdctl is installed
let nerdctl_exists = which("nerdctl");
println(`Nerdctl exists: ${nerdctl_exists}`);
// List available images (only if nerdctl is installed)
println("Listing available container images:");
if nerdctl_exists == "" {
println("Nerdctl is not installed. Please install it first.");
// You can use the install_nerdctl.rhai script to install nerdctl
// EXIT
}
// List images
let images_result = nerdctl_images();
println(`Images result: success=${images_result.success}, code=${images_result.code}`);
println(`Images output:\n${images_result.stdout}`);
// Pull an image if needed
println("\nPulling alpine:latest image:");
let pull_result = nerdctl_image_pull("alpine:latest");
println(`Pull result: success=${pull_result.success}, code=${pull_result.code}`);
println(`Pull output: ${pull_result.stdout}`);
// Create a container using the simple run function
println("\nCreating a container from alpine image:");
let container_name = "rhai-nerdctl-test";
let container = nerdctl_run("alpine:latest", container_name);
println(`Container result: success=${container.success}, code=${container.code}`);
println(`Container stdout: "${container.stdout}"`);
println(`Container stderr: "${container.stderr}"`);
// Run a command in the container
println("\nRunning a command in the container:");
let run_result = nerdctl_exec(container_name, "echo 'Hello from container'");
println(`Command output: ${run_result.stdout}`);
// Create a test file and copy it to the container
println("\nAdding a file to the container:");
let test_file = "test_file.txt";
run(`echo "Test content" > ${test_file}`);
let copy_result = nerdctl_copy(test_file, `${container_name}:/`);
println(`Copy result: ${copy_result.success}`);
// Commit the container to create a new image
println("\nCommitting the container to create a new image:");
let image_name = "my-custom-alpine:latest";
let commit_result = nerdctl_image_commit(container_name, image_name);
println(`Commit result: ${commit_result.success}`);
// Stop and remove the container
println("\nStopping the container:");
let stop_result = nerdctl_stop(container_name);
println(`Stop result: ${stop_result.success}`);
println("\nRemoving the container:");
let remove_result = nerdctl_remove(container_name);
println(`Remove result: ${remove_result.success}`);
// Clean up the test file
delete(test_file);
// Demonstrate run options
println("\nDemonstrating run options:");
let run_options = nerdctl_new_run_options();
run_options.name = "rhai-nerdctl-options-test";
run_options.detach = true;
run_options.ports = ["8080:80"];
run_options.snapshotter = "native";
println("Run options configured:");
println(` - Name: ${run_options.name}`);
println(` - Detach: ${run_options.detach}`);
println(` - Ports: ${run_options.ports}`);
println(` - Snapshotter: ${run_options.snapshotter}`);
// Create a container with options
println("\nCreating a container with options:");
let container_with_options = nerdctl_run_with_options("alpine:latest", run_options);
println(`Container with options result: ${container_with_options.success}`);
// Clean up the container with options
println("\nCleaning up the container with options:");
nerdctl_stop("rhai-nerdctl-options-test");
nerdctl_remove("rhai-nerdctl-options-test");
// List all containers (including stopped ones)
println("\nListing all containers:");
let list_result = nerdctl_list(true);
println(`List result: ${list_result.stdout}`);
// Remove the custom image
println("\nRemoving the custom image:");
let image_remove_result = nerdctl_image_remove(image_name);
println(`Image remove result: ${image_remove_result.success}`);
"Nerdctl operations script completed successfully!"