Class: Breeze::App

Inherits:
Server show all
Defined in:
lib/breeze/tasks/app.rb

Instance Method Summary collapse

Methods inherited from Server

#create, #destroy

Instance Method Details

#deploy(public_server_name) ⇒ Object 



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# File 'lib/breeze/tasks/app.rb', line 78

def deploy(public_server_name)
  if options[:elb_name]
    deploy_with_elb(public_server_name, options)
  else
    deploy_with_elastic_ip(public_server_name, options)
  end
end

#disable(public_server_name) ⇒ Object 



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# File 'lib/breeze/tasks/app.rb', line 67

def disable(public_server_name)
  on_each_server(disable_app_command, public_server_name)
end

#enable(public_server_name) ⇒ Object 



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# File 'lib/breeze/tasks/app.rb', line 72

def enable(public_server_name)
  on_each_server(enable_app_command, public_server_name)
end

#rollback(public_server_name) ⇒ Object 



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# File 'lib/breeze/tasks/app.rb', line 88

def rollback(public_server_name)
  old_servers = spare_servers(public_server_name)
  raise "no running spare server found for #{public_server_name}" if old_servers.size == 0
  old_servers.each do |old_server|
    unless ip(old_server) # the ip may be temporarily unknown if the old elastic ip has been moved to another instance
      wait_until { old_server.reload; ip(old_server) }
    end
    remote('sudo shutdown -c', :host => ip(old_server))
  end
  new_servers = active_servers(public_server_name)
  new_servers.each do |new_server|
    remote(disable_app_command, :host => ip(new_server))
  end
  if options[:elb_name]
    thor("elb:add_instances #{options[:elb_name]} #{old_servers.map(&:id).join(' ')}")
    thor("elb:remove_instances #{options[:elb_name]} #{new_servers.map(&:id).join(' ')}")
  else
    move_addresses(new_servers.first, old_servers.first)
  end
  old_servers.each { |s| s.breeze_state('reactivated') }
  new_servers.each { |s| s.breeze_state('abandoned_due_to_rollback') }
  if accept?("Ready to destroy the abandoned #{new_servers.size} server(s) now?")
    new_servers.each { |s| s.destroy }
  end
end

#start(public_server_name) ⇒ Object 



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# File 'lib/breeze/tasks/app.rb', line 13

def start(public_server_name)
  if options[:db]
    raise '--db-server-name is required unless --no-db is given.' if options[:db_server_name].nil?
    if options[:db_to_clone]
      thor("db:clone #{options[:db_to_clone]} #{options[:db_server_name]}")
    else
      thor("db:create #{options[:db_server_name]} #{options[:db_name]}")
    end
  end
  if options[:elasticache]
    raise '--cache-cluster-name is required unless --no-elasticache is given.' if options[:cache_cluster_name].nil?
    thor("elasticache:create #{options[:cache_cluster_name]}")
  end
  if options[:elb_name]
    create_elb_and_app_servers(public_server_name, options)
  else
    create_app_server_with_elastic_ip(public_server_name, options)
  end
end

#stop(public_server_name) ⇒ Object 



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# File 'lib/breeze/tasks/app.rb', line 35

def stop(public_server_name)
  dbs_to_destroy = []
  cache_clusters_to_destroy = []
  elb_to_destroy = nil
  active_servers(public_server_name).each do |server|
    server.addresses.each do |address|
      thor("server:address:release #{address.public_ip}")
    end
    dbs_to_destroy << server.breeze_data['db']
    cache_clusters_to_destroy << server.breeze_data['cache']
    elb_to_destroy ||= server.breeze_data['elb']
    thor("server:destroy #{server.id}")
  end
  dbs_to_destroy.uniq.compact.each do |db_name|
    thor("db:destroy #{db_name}")
  end
  cache_clusters_to_destroy.uniq.compact.each do |cache_cluster_name|
    thor("elasticache:destroy #{cache_cluster_name}")
  end
  if elb_to_destroy
    elb_cname_record = find_zone_recursively(public_server_name).records.detect{ |r| r.name == "#{public_server_name}." and r.type == 'CNAME' }
    if elb_cname_record
      thor("elb:destroy #{elb_to_destroy} #{public_server_name} #{zone_id(public_server_name)}")
    else
      thor("elb:destroy #{elb_to_destroy}")
    end
  else
    thor("dns:record:destroy #{zone_id(public_server_name)} #{public_server_name}. A")
  end
end