Class: Rollo::Commands::Services
- Inherits:
-
Thor
- Object
- Thor
- Rollo::Commands::Services
- Defined in:
- lib/rollo/commands/services.rb
Class Method Summary collapse
Instance Method Summary collapse
- #contract(region, _, ecs_cluster_name, service_cluster = nil) ⇒ Object
- #expand(region, _, ecs_cluster_name, service_cluster = nil) ⇒ Object
Class Method Details
.exit_on_failure? ⇒ Boolean
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# File 'lib/rollo/commands/services.rb', line 9 def self.exit_on_failure? true end |
Instance Method Details
#contract(region, _, ecs_cluster_name, service_cluster = nil) ⇒ Object
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# File 'lib/rollo/commands/services.rb', line 102 def contract( region, _, ecs_cluster_name, service_cluster = nil) batch_size = [:batch_size] service_cluster = service_cluster || Rollo::Model::ServiceCluster.new(ecs_cluster_name, region) say("Decreasing service instance counts by #{batch_size}...") with_padding do service_cluster.with_replica_services do |on| on.each_service do |service| say( "Decreasing instance count by #{batch_size} " + "for #{service.name}") with_padding do service.decrease_instance_count_by(batch_size) do |on| on.prepare do |current, target| say( "Changing instance count from #{current} " + "to #{target}...") end on.waiting_for_health do |attempt| say( 'Waiting for service to reach a steady state ' + "(attempt #{attempt})...") end end end end end end say("Service instance counts decreased, continuing...") end |
#expand(region, _, ecs_cluster_name, service_cluster = nil) ⇒ Object
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# File 'lib/rollo/commands/services.rb', line 34 def ( region, _, ecs_cluster_name, service_cluster = nil) batch_size = [:batch_size] maximum_instances = [:maximum_instances] service_start_wait_minutes = [:startup_time] service_start_wait_seconds = 60 * service_start_wait_minutes service_cluster = service_cluster || Rollo::Model::ServiceCluster.new(ecs_cluster_name, region) say("Increasing service instance counts by #{batch_size}...") with_padding do service_cluster.with_replica_services do |on| on.start do |services| say( 'Service cluster contains services:' + "\n\t\t[#{services.map(&:name).join(",\n\t\t ")}]") end on.each_service do |service| say( "Increasing instance count by #{batch_size} " + "for #{service.name}") with_padding do service.increase_instance_count_by( batch_size, maximum_instances: maximum_instances) do |on| on.prepare do |current, target| say( "Changing instance count from #{current} " + "to #{target}...") end on.waiting_for_health do |attempt| say( "Waiting for service to reach a steady state " + "(attempt #{attempt})...") end end end end end end say( "Waiting #{service_start_wait_minutes} minute(s) for " + 'services to finish starting...') with_padding do sleep(service_start_wait_seconds) say( "Waited #{service_start_wait_minutes} minute(s). " + 'Continuing...') end say('Service instance counts increased, continuing...') end |