Class: Messhy::Installer

Inherits:
Object
  • Object
show all
Defined in:
lib/messhy/installer.rb

Overview

rubocop:disable Metrics/ClassLength

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, dry_run: false) ⇒ Installer

Returns a new instance of Installer.



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# File 'lib/messhy/installer.rb', line 14

def initialize(config, dry_run: false)
  @config = config
  @dry_run = dry_run
  @ssh_executor = SSHExecutor.new(config)
  @node_keys = load_existing_keys
  @psk_map = load_existing_psks
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/messhy/installer.rb', line 12

def config
  @config
end

#dry_run ⇒ Object (readonly)

Returns the value of attribute dry_run.



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# File 'lib/messhy/installer.rb', line 12

def dry_run
  @dry_run
end

#ssh_executor ⇒ Object (readonly)

Returns the value of attribute ssh_executor.



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# File 'lib/messhy/installer.rb', line 12

def ssh_executor
  @ssh_executor
end

Instance Method Details

#generate_keys(skip: nil) ⇒ Object 



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# File 'lib/messhy/installer.rb', line 97

def generate_keys(skip: nil)
  puts '==> Generating WireGuard keys (no deploy)'
  config.validate!
  puts "\n==> Installing WireGuard on nodes..."
  install_wireguard_on_all_nodes(skip: skip)
  puts "\n==> Generating WireGuard keys..."
  generate_all_keys(skip: skip)
  puts "✓ Keys stored in #{secrets_dir}" unless dry_run
end

#purge_all(skip: nil) ⇒ Object 



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# File 'lib/messhy/installer.rb', line 123

def purge_all(skip: nil)
  config.each_node do |node_name, _|
    next if skip && node_name == skip

    ssh_executor.purge_wireguard(node_name)
  end
end

#restart_all(skip: nil) ⇒ Object 



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# File 'lib/messhy/installer.rb', line 113

def restart_all(skip: nil)
  puts '==> Restarting WireGuard on all nodes...'
  config.each_node do |node_name, _|
    next if skip && node_name == skip

    ssh_executor.restart_wireguard(node_name)
  end
  puts '✓ All nodes restarted'
end

#restart_node(node_name) ⇒ Object 



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# File 'lib/messhy/installer.rb', line 107

def restart_node(node_name)
  puts "==> Restarting WireGuard on: #{node_name}"
  ssh_executor.restart_wireguard(node_name)
  puts '✓ Restarted'
end

#setup(skip: nil) ⇒ Object 



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# File 'lib/messhy/installer.rb', line 22

def setup(skip: nil)
  puts '==> Setting up WireGuard mesh network'
  puts "Environment: #{config.environment}"
  puts "Nodes: #{config.node_names.join(', ')}"
  puts

  # Validate config
  config.validate!

  # Purge existing WireGuard configs
  puts '==> Cleaning up existing WireGuard installations...'
  purge_all(skip: skip) unless dry_run

  # Install WireGuard on all nodes (ensures wg binary exists for keygen)
  puts "\n==> Installing WireGuard on nodes..."
  install_wireguard_on_all_nodes(skip: skip)

  # Generate keys for all nodes
  puts "\n==> Generating WireGuard keys..."
  generate_all_keys(skip: skip)

  # Build configs
  puts "\n==> Building mesh configurations..."
  mesh_builder = MeshBuilder.new(config, @node_keys, @psk_map || {})
  configs = mesh_builder.build_all_configs

  # Upload configs and start WireGuard
  puts "\n==> Deploying configurations..."
  deploy_configs(configs, skip: skip)

  # Force restart all nodes
  puts "\n==> Restarting WireGuard on all nodes..."
  restart_all(skip: skip) unless dry_run

  # Verify connectivity
  puts "\n==> Verifying mesh connectivity..."
  verify_mesh(skip: skip)

  if config.dns_enabled?
    puts "\n==> Setting up mesh DNS..."
    DnsManager.new(config, ssh_executor: ssh_executor, dry_run: dry_run, skip: skip).setup
  end

  puts "\n✓ WireGuard mesh setup complete!"
end

#setup_node(node_name) ⇒ Object

Raises:



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# File 'lib/messhy/installer.rb', line 68

def setup_node(node_name)
  puts "==> Setting up node: #{node_name}"

  raise Error, "Node not found: #{node_name}" unless config.node_config(node_name)

  config.validate!

  # Install WireGuard first so key generation works
  puts "\n==> Installing WireGuard tools..."
  ssh_executor.install_wireguard(node_name) unless dry_run

  # Load or generate keys for all nodes (needed for mesh config)
  puts "\n==> Ensuring key material exists..."
  generate_all_keys

  # Build and deploy config
  mesh_builder = MeshBuilder.new(config, @node_keys, @psk_map || {})
  config_content = mesh_builder.build_config_for_node(node_name)

  if dry_run
    puts "[DRY RUN] Would upload WireGuard config to #{node_name}"
  else
    ssh_executor.upload_config(node_name, config_content)
    ssh_executor.enable_and_start_wireguard(node_name)
  end

  puts "✓ Node #{node_name} setup complete"
end