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socktop/DEBIAN_PACKAGING_SUMMARY.md

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Debian Packaging Implementation Summary

Overview

Successfully implemented Debian packaging for socktop using cargo-deb, with GitHub Actions automation for building packages for both AMD64 and ARM64 architectures.

Branches Created

  1. feature/debian-packaging - Main branch with debian packaging implementation
  2. feature/man-pages - Separate branch for man pages work (to be researched further)

What Was Added

1. Cargo.toml Updates

Both socktop/Cargo.toml and socktop_agent/Cargo.toml were updated with:

  • [package.metadata.deb] sections
  • Package metadata (maintainer, description, dependencies)
  • Asset definitions (binaries, documentation)
  • Systemd service configuration (agent only)

2. Systemd Service

File: socktop_agent/socktop-agent.service

  • Runs as socktop user/group
  • Listens on port 3000 by default
  • Security hardening enabled
  • Disabled by default (user must explicitly enable)

3. Maintainer Scripts

Directory: socktop_agent/debian/

  • postinst: Creates socktop user/group, sets up /var/lib/socktop directory
  • postrm: Cleanup on package removal/purge

4. GitHub Actions Workflow

File: .github/workflows/build-deb.yml

Features:

  • Builds for both x86_64 and ARM64
  • Triggered on:
    • Push to master or feature/debian-packaging
    • Pull requests to master
    • Version tags (v*)
    • Manual workflow dispatch
  • Creates artifacts:
    • debian-packages-amd64
    • debian-packages-arm64
    • all-debian-packages (combined)
    • checksums (SHA256SUMS)
  • Automatic GitHub releases for version tags

5. Documentation

File: docs/DEBIAN_PACKAGING.md

Comprehensive guide covering:

  • Building packages locally
  • Cross-compilation for ARM64
  • Installation and configuration
  • Using GitHub Actions artifacts
  • Creating local APT repositories
  • Troubleshooting

Package Details

socktop (TUI Client)

  • Binary: /usr/bin/socktop
  • Size: ~3.5 MB (x86_64)
  • Dependencies: Auto-detected

socktop_agent (Daemon)

  • Binary: /usr/bin/socktop_agent
  • Service: socktop-agent.service
  • User/Group: socktop (created automatically)
  • State directory: /var/lib/socktop
  • Size: ~6.7 MB (x86_64)
  • Dependencies: Auto-detected

Testing

Both packages successfully built locally:

✓ socktop_1.50.0-1_amd64.deb
✓ socktop-agent_1.50.1-1_amd64.deb

Verified:

  • Package contents (dpkg -c)
  • Package metadata (dpkg -I)
  • Systemd service file inclusion
  • Maintainer scripts inclusion
  • Documentation inclusion

Usage

For Users

Download pre-built packages from GitHub Actions artifacts:

  1. Go to Actions tab
  2. Select latest "Build Debian Packages" run
  3. Download architecture-specific artifact
  4. Install: sudo dpkg -i socktop*.deb

For Developers

Build locally:

cargo install cargo-deb
cargo deb --package socktop
cargo deb --package socktop_agent

Cross-compile for ARM64:

rustup target add aarch64-unknown-linux-gnu
sudo apt install gcc-aarch64-linux-gnu libc6-dev-arm64-cross
cargo deb --package socktop --target aarch64-unknown-linux-gnu

Next Steps

To get packages in official APT repositories:

  1. Short term: Host packages on GitHub Releases (automated)
  2. Medium term: Create PPA for Ubuntu users
  3. Long term: Submit to Debian/Ubuntu official repositories

Files Modified/Created

Modified:
  socktop/Cargo.toml
  socktop_agent/Cargo.toml

Created:
  .github/workflows/build-deb.yml
  docs/DEBIAN_PACKAGING.md
  socktop_agent/socktop-agent.service
  socktop_agent/debian/postinst
  socktop_agent/debian/postrm

Commit

532ed16 Add Debian packaging support with cargo-deb

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