Class: VagrantPlugins::ProviderZone::QGA::BaseBackend

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-zones/qga/base_backend.rb

Overview

Shared scaffolding for QGA network backends. Subclasses configure guest networking using a specific backend (netplan, NetworkManager, etc.) and implement #detect? and #apply via duck typing. #verify and #cleanup have working defaults that subclasses may override.

Instance Method Summary collapse

Instance Method Details

#cleanup ⇒ Object

Default no-op cleanup; backends that write files override this.



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# File 'lib/vagrant-zones/qga/base_backend.rb', line 36

def cleanup(*)
  nil
end

#name ⇒ Object

Human-readable name used in logs and error chains.



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# File 'lib/vagrant-zones/qga/base_backend.rb', line 12

def name
  self.class.name.split('::').last
end

#verify(qga, nics) ⇒ Object

Re-fetch guest interfaces and confirm expected IPs are present on expected MACs. Returns true when every NIC’s expected IP appears on the matched MAC.



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# File 'lib/vagrant-zones/qga/base_backend.rb', line 18

def verify(qga, nics)
  ifs = qga.network_interfaces
  nics.all? do |entry|
    mac = entry[:mac]
    expected_ip = entry[:ip]
    next true if expected_ip.nil? || expected_ip.empty?

    iface = ifs.find { |i| QGA.normalize_mac(i['hardware-address'].to_s) == mac }
    next false unless iface

    addrs = iface['ip-addresses'] || []
    addrs.any? { |a| a['ip-address-type'] == 'ipv4' && a['ip-address'] == expected_ip }
  end
rescue StandardError
  false
end