Class: CfDeployer::DeploymentStrategy::CnameSwap

Inherits:
BlueGreen
  • Object
show all
Defined in:
lib/cf_deployer/deployment_strategy/cname_swap.rb

Constant Summary

Constants inherited from Base

Base::BLUE_GREEN_STRATEGY

Instance Attribute Summary

Attributes inherited from Base

#application_name, #component_name, #context, #environment_name

Instance Method Summary collapse

Methods inherited from BlueGreen

#destroy, #exists?, #output_value, #status

Methods inherited from Base

#active_template, #blue_green_strategy?, #initialize, #run_hook

Constructor Details

This class inherits a constructor from CfDeployer::DeploymentStrategy::Base

Instance Method Details

#deploy ⇒ Object 



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# File 'lib/cf_deployer/deployment_strategy/cname_swap.rb', line 5

def deploy
  Log.info "Found active stack #{active_stack.name}" if active_stack
  delete_stack inactive_stack
  create_inactive_stack
  warm_up_inactive_stack
  run_hook(:'after-create')
  swap_cname
  Kernel.sleep 60
  run_hook(:'after-swap')
  Log.info "Active stack has been set to #{inactive_stack.name}"
  delete_stack(active_stack) if active_stack && !settings[:'keep-previous-stack']
  Log.info "#{component_name} deployed successfully"
end

#destroy_post ⇒ Object 



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# File 'lib/cf_deployer/deployment_strategy/cname_swap.rb', line 32

def destroy_post
  dns_driver.delete_record_set(dns_zone, dns_fqdn) 
end

#kill_inactive ⇒ Object

Raises:



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# File 'lib/cf_deployer/deployment_strategy/cname_swap.rb', line 20

def kill_inactive
  raise ApplicationError.new("Stack: #{inactive_stack.name} does not exist, cannot kill it.") unless inactive_stack.exists?
  delete_stack inactive_stack
end

#switch ⇒ Object

Raises:



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# File 'lib/cf_deployer/deployment_strategy/cname_swap.rb', line 25

def switch
  raise ApplicationError.new('There is only one color stack active, you cannot switch back to a non-existent version') unless both_stacks_exist?
  swap_cname
  Log.info "Active stack has been set to #{inactive_stack.name}"
  Log.info "#{component_name} switched successfully"
end