Class: ConfCtl::MachineStatus

Inherits:
Object
  • Object
show all
Defined in:
lib/confctl/machine_status.rb

Defined Under Namespace

Classes: SwpinState

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(machine) ⇒ MachineStatus

Returns a new instance of MachineStatus.

Parameters:



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# File 'lib/confctl/machine_status.rb', line 82

def initialize(machine)
  @machine = machine
  @mc = MachineControl.new(machine)
end

Instance Attribute Details

#current_toplevel ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine_status.rb', line 61

def current_toplevel
  @current_toplevel
end

#generations ⇒ Generation::HostList (readonly)

Returns:



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# File 'lib/confctl/machine_status.rb', line 70

def generations
  @generations
end

#machine ⇒ Machine (readonly)

Returns:



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# File 'lib/confctl/machine_status.rb', line 45

def machine
  @machine
end

#online ⇒ Boolean (readonly) Also known as: online?

Returns:

  • (Boolean) 


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# File 'lib/confctl/machine_status.rb', line 51

def online
  @online
end

#status ⇒ Boolean (readonly)

Returns:

  • (Boolean) 


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# File 'lib/confctl/machine_status.rb', line 48

def status
  @status
end

#swpins_info ⇒ Hash (readonly)

Returns:

  • (Hash) 


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# File 'lib/confctl/machine_status.rb', line 76

def swpins_info
  @swpins_info
end

#swpins_state ⇒ Hash (readonly)

Returns:

  • (Hash) 


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# File 'lib/confctl/machine_status.rb', line 79

def swpins_state
  @swpins_state
end

#target_swpin_specs ⇒ Hash

Returns:

  • (Hash) 


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# File 'lib/confctl/machine_status.rb', line 73

def target_swpin_specs
  @target_swpin_specs
end

#target_toplevel ⇒ String

Returns:

  • (String) 


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# File 'lib/confctl/machine_status.rb', line 58

def target_toplevel
  @target_toplevel
end

#timezone_name ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine_status.rb', line 64

def timezone_name
  @timezone_name
end

#timezone_offset ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine_status.rb', line 67

def timezone_offset
  @timezone_offset
end

#uptime ⇒ Float (readonly)

Returns:

  • (Float) 


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# File 'lib/confctl/machine_status.rb', line 55

def uptime
  @uptime
end

Instance Method Details

#evaluate ⇒ Object 



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# File 'lib/confctl/machine_status.rb', line 118

def evaluate
  @swpins_state = {}

  target_swpin_specs.each do |name, spec|
    swpins_state[name] = SwpinState.new(spec, swpins_info && swpins_info[name])
  end

  outdated_swpins = swpins_state.detect { |_k, v| v.outdated? }
  @online = uptime ? true : false
  @status = online? && !outdated_swpins
  @status = false if target_toplevel && target_toplevel != current_toplevel
end

#query(toplevel: true, generations: true) ⇒ Object

Connect to the machine and query its state



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# File 'lib/confctl/machine_status.rb', line 88

def query(toplevel: true, generations: true)
  begin
    @uptime = mc.uptime
  rescue TTY::Command::ExitError
    return
  end

  if toplevel
    begin
      @current_toplevel = mc.read_symlink('/run/current-system')
    rescue TTY::Command::ExitError
      return
    end
  end

  if generations
    begin
      @generations = Generation::HostList.fetch(mc)
    rescue TTY::Command::ExitError
      return
    end
  end

  begin
    @swpins_info = Swpins::DeployedInfo.parse!(mc.read_file('/etc/confctl/swpins-info.json'))
  rescue Error
    nil
  end
end