Sha256: 390aec357ff2fc8063e8ef5dd954de93cca956e7ac8fdce4f8fa3c06d58c8a31
Contents?: true
Size: 879 Bytes
Versions: 8
Compression:
Stored size: 879 Bytes
Contents
module Hashicorptools
class UpdateLaunchConfiguration < Thor
desc 'deploy ASG_NAME', 'recycle instances in the ASG with no downtime'
option :aws_region, default: 'us-east-1'
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
end
end
Version data entries
8 entries across 8 versions & 1 rubygems