Class: Opsicle::ListInstances

Inherits:
Object
  • Object
show all
Defined in:
lib/opsicle/commands/list_instances.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(environment) ⇒ ListInstances

Returns a new instance of ListInstances.



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# File 'lib/opsicle/commands/list_instances.rb', line 7

def initialize(environment)
  @client = Client.new(environment)
  @stack = Stack.new(@client)
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/opsicle/commands/list_instances.rb', line 5

def client
  @client
end

Instance Method Details

#execute(options = {}) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 12

def execute(options={})
  print(get_instances)
end

#get_instances ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 16

def get_instances
  Opsicle::Instances.new(client).data
end

#instance_data(instances) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 35

def instance_data(instances)
  instances
    .sort { |a,b| a[:hostname] <=> b[:hostname] }
    .map do |instance|
      [
        instance[:hostname],
        instance[:instance_type],
        layer_names(instance),
        instance[:status],
        Opsicle::Instances::pretty_ip(instance),
        Opsicle::Instances::private_ip(instance),
        instance[:availability_zone]
      ]
    end
end

#layer_names(instance) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 51

def layer_names(instance)
  instance[:layer_ids].map{ |layer_id| @stack.layer_name(layer_id) }.join(" | ")
end

#print(instances) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 20

def print(instances)
  puts Terminal::Table.new(
    headings: [
      'Hostname',
      'Size',
      'Layers',
      'Status',
      'Public IP',
      'Private IP',
      'Zone'
    ],
    rows: instance_data(instances)
  )
end