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Improve code readability for beginners by adding comments to clarify complex logic on package main #539

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This commit enhances the readability of the main function by adding comments to explain each line of code. These comments provide clarity and guidance for beginners, helping them understand the purpose and functionality of each step in setting up the environment for managing Firecracker microVM snapshots.

Issue #, if available:
1. Difficult for beginners to comprehend

Description of changes:
1. Add comments for improved code readability in package main

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

@sagoresarker sagoresarker requested a review from a team as a code owner March 19, 2024 19:46
This commit enhances the readability of the main function by adding comments to explain each line of code. These comments provide clarity and guidance for beginners, helping them understand the purpose and functionality of each step in setting up the environment for managing Firecracker microVM snapshots.

Signed-off-by: Sagore Sarker <sagoresarker.cse@gmail.com>
@sagoresarker sagoresarker force-pushed the add-documentation-package-main branch from 974cfab to 1b2ce4a Compare March 19, 2024 19:54
Comment on lines +14 to +22
// Package main provides a Go program for managing snapshots of Firecracker microVMs.
// The program utilizes the Firecracker Go SDK for creating and loading snapshots,
// and it demonstrates how to establish SSH connections to interact with microVMs.
// Comments are provided to explain each function's purpose and usage.

// In this program, a "snapshot" refers to a point-in-time copy of the state of a Firecracker microVM.
// Snapshots capture the complete memory and state of the microVM, allowing users to save and restore its exact configuration and execution context.
// They enable quick deployment and management of microVM instances with pre-defined configurations and states, which is useful for testing, development, and deployment scenarios.

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@@ -383,48 +400,57 @@ func loadSnapshotSSH(ctx context.Context, socketPath, memPath, snapPath, ipToRes

func main() {
// Check for kvm and root access
err := unix.Access("/dev/kvm", unix.W_OK)
if err != nil {
err := unix.Access("/dev/kvm", unix.W_OK) // Check if the program has write access to /dev/kvm
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@swagatbora90 swagatbora90 May 7, 2024

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Most of the code here is self-explanatory and/or understandable with a quick search. I would prefer to have more readable code, than annotate every line of code with comments.

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Thanks for your kind word.

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2 participants