Module: EventStore::HTTP::Connect::Controls::IPAddress::Loopback::Alias::VerifyAll

Defined in:
lib/event_store/http/connect/controls/ip_address/loopback/alias.rb

Class Method Summary collapse

Class Method Details

.call ⇒ Object 



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# File 'lib/event_store/http/connect/controls/ip_address/loopback/alias.rb', line 21

def self.call
  port = Port::Unused.get

  unaliased_ip_addresses = list.select do |ip_address|
    begin
      server = TCPServer.new ip_address, port
      server.close
      false
    rescue Errno::EADDRNOTAVAIL
      true
    end
  end

  return true if unaliased_ip_addresses.none?

  warn <<~MESSAGE
  The following loopback aliases are not configured:

      #{unaliased_ip_addresses * "\n    "}

  To setup a loopback alias, run the following command:

      sudo ifconfig lo0 alias 127.0.111.1

  Note that the above command was tested on OS X and may vary
  on Linux systems.
  MESSAGE

  false
end

.list ⇒ Object 



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# File 'lib/event_store/http/connect/controls/ip_address/loopback/alias.rb', line 52

def self.list
  [
    Alias.example,
    *Cluster::IPAddress.list,
    *Cluster::IPAddress::Unavailable.list
  ]
end