Module: Kplay::Minikube

Defined in:
lib/kplay/minikube.rb

Class Method Summary collapse

Class Method Details

.host_path_in_vm(path_host) ⇒ String

Given the path on host returns the corresponding path in VM. Raises an error if the folder on host is not mounted.

Parameters:

  • path_host (String) —

    path to a folder on a host machine

Returns:

  • (String) —

    corresponding path in VM



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# File 'lib/kplay/minikube.rb', line 40

def self.host_path_in_vm(path_host)
  unless path_host.to_s.start_with?(hostfolder_host.to_s)
    raise ArgumentError, "Failed to find mount point for: '#{path_host}', parent is not mounted"
  end
  Pathname.new(path_host.to_s.sub(hostfolder_host.to_s, hostfolder_vm.to_s))
end

.hostfolder_host ⇒ Object

Returns the host folder, path on host.

Host folder is the single folder Minikube mounts by default into the VM. Usually it’s /home or /Users.



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# File 'lib/kplay/minikube.rb', line 10

def self.hostfolder_host
  case Kplay.host_os
  when :linux
    '/home/'
  when :macosx
    '/Users/'
  else
    raise 'Cannot identify mounted host folder, unknown OS'
  end
end

.hostfolder_vm ⇒ Object

Returns the host folder mount point, path on minikube VM



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# File 'lib/kplay/minikube.rb', line 23

def self.hostfolder_vm
  case Kplay.host_os
  when :linux
    '/hosthome/'
  when :macosx
    '/Users/'
  else
    raise 'Cannot identify mounted host folder, unknown OS'
  end
end

.ssh_forwarding_available? ⇒ Boolean

Returns true if SSH agent forwarding can be enabled (socket resides in VM mounted folders)

Returns:

  • (Boolean) 


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# File 'lib/kplay/minikube.rb', line 51

def self.ssh_forwarding_available?
  !!ssh_forwarding_socket_vm
end

.ssh_forwarding_socket_vm ⇒ Object

Returns path to SSH agent forwarding socket in a VM



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# File 'lib/kplay/minikube.rb', line 57

def self.ssh_forwarding_socket_vm
  socket_path = ENV['SSH_AUTH_SOCK']
  return nil unless socket_path
  Minikube.host_path_in_vm(socket_path) rescue nil
end