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)
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

#layers ⇒ Object (readonly)

Returns the value of attribute layers.



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

def layers
  @layers
end

Instance Method Details

#execute(options = {}) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 11

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

#get_instances ⇒ Object 



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

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

#get_layers ⇒ Object 



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

def get_layers
  @layers = client.api_call('describe_layers', stack_id: @client.config.opsworks_config[:stack_id])[:layers]
end

#instance_data(instances) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 28

def instance_data(instances)
  instances.map{|instance| [instance[:hostname], layer_names(instance), instance[:status], instance[:instance_id]] }
end

#layer_name(layer_id) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 36

def layer_name(layer_id)
  layers.detect{ |layer| layer[:layer_id] == layer_id }[:name]
end

#layer_names(instance) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 32

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

#print(instances) ⇒ Object 



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# File 'lib/opsicle/commands/list_instances.rb', line 24

def print(instances)
  puts Terminal::Table.new headings: ['Hostname', 'Layers', 'Status', 'Instance ID'], rows: instance_data(instances)
end