Class: Inspec::Resources::UnixHostProvider

Inherits:
HostProvider show all
Defined in:
lib/resources/host.rb

Direct Known Subclasses

DarwinHostProvider, LinuxHostProvider

Instance Attribute Summary

Attributes inherited from HostProvider

#inspec

Instance Method Summary collapse

Methods inherited from HostProvider

#initialize, #missing_requirements

Constructor Details

This class inherits a constructor from Inspec::Resources::HostProvider

Instance Method Details

#resolve_with_dig(hostname) ⇒ Object 



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# File 'lib/resources/host.rb', line 148

def resolve_with_dig(hostname)
  addresses = []

  # look for IPv6 addresses
  cmd = inspec.command("dig +short AAAA #{hostname}")
  cmd.stdout.lines.each do |line|
    matched = line.chomp.match(Resolv::IPv6::Regex)
    addresses << matched.to_s unless matched.nil?
  end

  # look for IPv4 addresses
  cmd = inspec.command("dig +short A #{hostname}")
  cmd.stdout.lines.each do |line|
    matched = line.chomp.match(Resolv::IPv4::Regex)
    addresses << matched.to_s unless matched.nil?
  end

  addresses.empty? ? nil : addresses
end

#resolve_with_getent(hostname) ⇒ Object 



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# File 'lib/resources/host.rb', line 168

def resolve_with_getent(hostname)
  # TODO: we rely on getent hosts for now, but it prefers to return IPv6, only then IPv4
  cmd = inspec.command("getent hosts #{hostname}")
  return nil if cmd.exit_status.to_i != 0

  # extract ip adress
  resolve = /^\s*(?<ip>\S+)\s+(.*)\s*$/.match(cmd.stdout.chomp)
  [resolve[1]] if resolve
end