Class: Provider::Ec2::Instance

Inherits:
Object
  • Object
show all
Defined in:
lib/providers/ec2/instance.rb

Instance Method Summary collapse

Constructor Details

#initialize(ec2, name, image) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/providers/ec2/instance.rb', line 5

def initialize(ec2, name, image)
@ec2 = ec2
@name = name
  @instance = instance
    @ami_name = image || name
    @logger = Veronic::Deployer.new().logger
end

Instance Method Details

#create_image ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 81

def create_image
	@logger.info "Create image #{@ami_name}"
	new_image = @instance.create_image(@ami_name, { :no_reboot => true })
	while new_image.exists? == false && new_image.state != :failed
		@logger.info "."
		sleep 1
	end
	while new_image.state == :pending && new_image.state != :failed
		@logger.info "."
		sleep 1
	end
	@logger.info ""
	return new_image
end

#dns_name ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 59

def dns_name
	@instance.dns_name
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/providers/ec2/instance.rb', line 44

def exists?
	@logger.info "Checking for ec2 server #{@name} ..."
	if AWS.memoize do @ec2.instances.any? {|x| x.tags['Name'] == @name && x.status != :shutting_down && x.status != :terminated} end
		@logger.info "Instance #{@name} found"
		return true
	else
		@logger.info "Instance #{@name} is misssing"
		return false
	end
end

#get_instance ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 75

def get_instance
	AWS.memoize do
		@ec2.instances.select {|x| x.tags['Name'] == @name && x.status != :shutting_down && x.status != :terminated}.first
	end
end

#id ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 67

def id
	@instance.id
end

#instance ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 71

def instance
	@instance ||= get_instance
end

#public_ip_address ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 63

def public_ip_address
	@instance.public_ip_address
end

#start ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 27

def start
	@logger.info "Starting instance #{@name}..."
	if self.exists?
		while self.status == :stopping
			sleep 2
		end
		@instance.start
		i = 0
		while self.status != :running
			@logger.info "." ; sleep 3 ; i += 1
			return false if i > 120
		end
       @logger.info "\nInstance #{@name} is started"
	end
     return true
end

#status ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 55

def status
	@instance.status if @instance
end

#stop ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 13

def stop
	@logger.info "Stopping instance #{@name}..."
	if self.exists?
		@instance.stop
		i = 0
		while self.status != :stopped
         @logger.info "." ; sleep 3 ; i += 1
			return false if i > 120
		end
       @logger.info "\nInstance #{@name} is stopped"
	end
	return true
end

#tags(hash = {}) ⇒ Object 



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# File 'lib/providers/ec2/instance.rb', line 96

def tags(hash={})
	@logger.info "Tagging instance ..."
	hash.keys.each do |k|
		@logger.info k + ': ' + hash[k]
		@instance.tags[k] = hash[k]
	end
end