class Hashicorptools::UpdateLaunchConfiguration
Public Instance Methods
deploy(asg_name)
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# File lib/hashicorptools/update_launch_configuration.rb, line 5 def deploy(asg_name) asg = AutoScalingGroup.new(name: asg_name, region: options[:aws_region]) if asg.group.nil? raise "could not find asg #{asg_name}" end current_count = asg.group.instances.size || 1 if asg.group.max_size < (current_count * 2) raise "max size must be more than twice current count to deploy a new AMI" else # first doulbe the instance count to get new launch config live. asg.set_desired_instances(current_count * 2) # then bring the instance count back down again. asg.set_desired_instances(current_count) asg.verify_all_instances_using_correct_ami end end