Module: Pygmy::ResolvOsx

Defined in:
lib/pygmy/resolv_osx.rb

Class Method Summary collapse

Class Method Details

.clean? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pygmy/resolv_osx.rb', line 30

def self.clean?
  puts "Removing resolver file and loopback alias IP, this may require sudo".green
  begin
    self.system!("removing resolverfile", "sudo", "rm", "-f", self.resolver_file)
    self.system!("removing loopback IP alias 172.16.172.16", "sudo", "ifconfig", "lo0", "-alias", "172.16.172.16")
    system!("restarting mDNSResponder", "sudo", "killall", "mDNSResponder")
  rescue Exception => e
    puts e.message
  end
end

.create_resolver? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pygmy/resolv_osx.rb', line 15

def self.create_resolver?
  puts "setting up DNS resolution and loopback alias IP, this may require sudo".green
  unless self.resolver_dir.directory?
    self.system!("creating #{self.resolver_dir}", "sudo", "mkdir", "-p", self.resolver_dir)
  end
  Tempfile.open('amazeeio_pygmy-dnsmasq') do |f|
    f.write(self.resolver_contents)
    f.close
    self.system!("creating #{self.resolver_file}", "sudo", "cp", f.path, self.resolver_file)
    self.system!("creating #{self.resolver_file}", "sudo", "chmod", "644", self.resolver_file)
  end
  self.system!("creating loopback IP alias 172.16.172.16", "sudo", "ifconfig", "lo0", "alias", "172.16.172.16")
  self.system!("restarting mDNSResponder", "sudo", "killall", "mDNSResponder")
end

.resolver_contents ⇒ Object 



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# File 'lib/pygmy/resolv_osx.rb', line 45

def self.resolver_contents; "  # Generated by amazeeio pygmy\n  nameserver 127.0.0.1\n  port 6053\n  EOS\nend\n".gsub(/^      /, '')

.resolver_dir ⇒ Object 



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# File 'lib/pygmy/resolv_osx.rb', line 7

def self.resolver_dir
  Pathname("/etc/resolver")
end

.resolver_file ⇒ Object 



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# File 'lib/pygmy/resolv_osx.rb', line 11

def self.resolver_file
  "/etc/resolver/docker.amazee.io"
end

.resolver_file_contents ⇒ Object 



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# File 'lib/pygmy/resolv_osx.rb', line 52

def self.resolver_file_contents
  File.read(self.resolver_file) unless !File.file?(self.resolver_file)
end

.resolver_file_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pygmy/resolv_osx.rb', line 56

def self.resolver_file_exists?
  (self.resolver_file_contents == self.resolver_contents)
end

.system!(step, *args) ⇒ Object 



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# File 'lib/pygmy/resolv_osx.rb', line 41

def self.system!(step, *args)
  system(*args.map(&:to_s)) || raise("Error with the #{name} daemon during #{step}")
end