Class: CloudFormationTool::CLI::Recycle

Inherits:
Clamp::Command
  • Object
show all
Includes:
CloudFormationTool
Defined in:
lib/cloud_formation_tool/cli/recycle.rb

Constant Summary

Constants included from CloudFormationTool

VERSION

Instance Method Summary collapse

Methods included from CloudFormationTool

#aws_config, #awsas, #awscdn, #awscf, #awscreds, #awsec2, #awsecs, #awss3, #cf_bucket_name, #find_profile, #profile, #region, #s3_bucket_name

Instance Method Details

#execute ⇒ Object 



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# File 'lib/cloud_formation_tool/cli/recycle.rb', line 10

def execute
  st = CloudFormation::Stack.new(stack_name)
  st.asgroups.select do |res|
    asg_name.nil? or (res.logical_resource_id == asg_name)
  end.collect do |res|
    Thread.new do
      grp = res.group
      torecycle = cursize = grp.instances.size
      puts "#{grp.name}: Recyclying #{cursize} instance" + (cursize > 1 ? "s" : "")
      while torecycle > 0
        grp.set_desired_capacity(desired_capacity: (cursize + 1))
        while grp.instances.size != (cursize + 1)
          sleep 5
          grp.reload
        end 
        grp.set_desired_capacity(desired_capacity: cursize)
        while grp.instances.size != cursize
          sleep 5
          grp.reload
        end 
        torecycle -= 1
        puts "#{grp.name}: Left to recycle - #{torecycle}"
      end
    end
  end.each(&:join).length > 0 or error "No valid Autoscaling groups found named #{asg_name}"
end