Class: Stack

Inherits:
Object
  • Object
show all
Defined in:
lib/cloudformer/stack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stack_name) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/cloudformer/stack.rb', line 5

def initialize(stack_name)
  @name = stack_name
  @cf = AWS::CloudFormation.new
  @stack = @cf.stacks[name]
  @ec2 = AWS::EC2.new
end

Instance Attribute Details

#deployed ⇒ Object

Returns the value of attribute deployed.



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# File 'lib/cloudformer/stack.rb', line 4

def deployed
  @deployed
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/cloudformer/stack.rb', line 4

def name
  @name
end

#stack ⇒ Object

Returns the value of attribute stack.



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# File 'lib/cloudformer/stack.rb', line 4

def stack
  @stack
end

Instance Method Details

#apply(template_file, parameters, disable_rollback = false, capabilities = []) ⇒ Object 



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# File 'lib/cloudformer/stack.rb', line 16

def apply(template_file, parameters, disable_rollback=false, capabilities=[])
  template = File.read(template_file)
  validation = validate(template)
  unless validation["valid"]
    puts "Unable to update - #{validation["response"][:code]} - #{validation["response"][:message]}"
    return 1
  end
  pending_operations = false
  if deployed
    pending_operations = update(template, parameters)
  else
    pending_operations = create(template, parameters, disable_rollback, capabilities)
  end
  wait_until_end if pending_operations
  if stack.status == "ROLLBACK_COMPLETE"
    puts "Unable to update template. Check log for more information."
    return 1
  else
    return 0
  end
end

#delete ⇒ Object 



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# File 'lib/cloudformer/stack.rb', line 46

def delete
  with_highlight do
    puts "Attempting to delete stack - #{name}"
    stack.delete
    wait_until_end
  end
end

#events(options = {}) ⇒ Object 



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# File 'lib/cloudformer/stack.rb', line 64

def events(options = {})
  with_highlight do
    if !deployed
      puts "Stack not up."
      return
    end
    stack.events.sort_by {|a| a.timestamp}.each do |event|
      puts "#{event.timestamp} - #{event.logical_resource_id} - #{event.resource_type} - #{event.resource_status} - #{event.resource_status_reason.to_s}"
    end
  end
end

#outputs ⇒ Object 



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# File 'lib/cloudformer/stack.rb', line 76

def outputs
  with_highlight do
  if !deployed
    puts "Stack not up."
    return 1
  end
    stack.outputs.each do |output|
      puts "#{output.key} - #{output.description} - #{output.value}"
    end
  end
  return 0
end

#start_instances ⇒ Object 



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# File 'lib/cloudformer/stack.rb', line 42

def start_instances
  update_instances("start")
end

#status ⇒ Object 



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# File 'lib/cloudformer/stack.rb', line 54

def status
  with_highlight do
    if deployed
      puts "#{stack.name} - #{stack.status} - #{stack.status_reason}"
    else
      puts "#{name} - Not Deployed"
    end
  end
end

#stop_instances ⇒ Object 



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# File 'lib/cloudformer/stack.rb', line 38

def stop_instances
 update_instances("stop")
end