Class: Stackup::StackWatcher
- Inherits:
-
Object
- Object
- Stackup::StackWatcher
- Defined in:
- lib/stackup/stack_watcher.rb
Overview
A stack event observer.
Keeps track of previously processed events, and yields the new ones.
Instance Attribute Summary collapse
-
#stack ⇒ Object
Returns the value of attribute stack.
Instance Method Summary collapse
-
#each_new_event ⇒ Object
Yield all events since the last call.
-
#initialize(stack) ⇒ StackWatcher
constructor
A new instance of StackWatcher.
-
#zero ⇒ Object
Consume all new events.
Constructor Details
#initialize(stack) ⇒ StackWatcher
Returns a new instance of StackWatcher.
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# File 'lib/stackup/stack_watcher.rb', line 13 def initialize(stack) @stack = stack end |
Instance Attribute Details
#stack ⇒ Object
Returns the value of attribute stack.
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# File 'lib/stackup/stack_watcher.rb', line 17 def stack @stack end |
Instance Method Details
#each_new_event ⇒ Object
Yield all events since the last call
rubocop:disable Lint/SuppressedException
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# File 'lib/stackup/stack_watcher.rb', line 22 def each_new_event new_events = [] stack.events.each do |event| break if event.id == @last_processed_event_id new_events.unshift(event) end new_events.each do |event| yield event @last_processed_event_id = event.id end rescue Aws::CloudFormation::Errors::ValidationError => _e end |
#zero ⇒ Object
Consume all new events
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# File 'lib/stackup/stack_watcher.rb', line 38 def zero last_event = stack.events.first @last_processed_event_id = last_event.id unless last_event.nil? nil rescue Aws::CloudFormation::Errors::ValidationError end |