Class: Sqewer::Contrib::AppsignalWrapper
- Inherits:
-
Object
- Object
- Sqewer::Contrib::AppsignalWrapper
- Defined in:
- lib/sqewer/extensions/appsignal_wrapper.rb
Overview
Can be used as a wrapper middleware in an ExecutionContext to log exceptions to Appsignal and to monitor performance. Will only activate if the Appsignal gem is loaded within the current process and active.
Defined Under Namespace
Classes: FakeRequest
Class Method Summary collapse
Instance Method Summary collapse
- #around_deserialization(serializer, msg_id, msg_payload) ⇒ Object
-
#around_execution(job, context) ⇒ Object
Run the job with Appsignal monitoring.
- #set_transaction_details_from_job(transaction, job) ⇒ Object
Class Method Details
.new ⇒ Object
8 9 10 11 12 13 14 |
# File 'lib/sqewer/extensions/appsignal_wrapper.rb', line 8 def self.new if defined?(Appsignal) super else nil end end |
Instance Method Details
#around_deserialization(serializer, msg_id, msg_payload) ⇒ Object
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 |
# File 'lib/sqewer/extensions/appsignal_wrapper.rb', line 25 def around_deserialization(serializer, msg_id, msg_payload) return yield unless Appsignal.active? # This creates a transaction, but also sets it as the Appsignal.current_transaction # which is a thread-local variable. We DO share this middleware between threads, # but since the object lives in thread locals it should be fine. transaction = Appsignal::Transaction.create( SecureRandom.uuid, namespace = Appsignal::Transaction::BACKGROUND_JOB, request = FakeRequest.new) transaction.set_action('%s#%s' % [serializer.class, 'unserialize']) transaction.request.params = {:sqs_message_body => msg_payload.to_s} transaction.set_http_or_background_queue_start job_unserialized = yield if !job_unserialized # If the job is nil or falsy, we skip the execution. In that case we finish the transaction. Appsignal::Transaction.complete_current! else # If not, then the job will be executed - keep the transaction open for execution block # that comes next. Hacky but should work. set_transaction_details_from_job(transaction, job_unserialized) end return job_unserialized rescue Exception => e if transaction # If an exception is raised, raise it through and also set it as the Appsignal exception # and commit the transaction. transaction.set_error(e) Appsignal::Transaction.complete_current! end raise e end |
#around_execution(job, context) ⇒ Object
Run the job with Appsignal monitoring.
68 69 70 71 72 73 74 75 76 77 78 |
# File 'lib/sqewer/extensions/appsignal_wrapper.rb', line 68 def around_execution(job, context) return yield unless Appsignal.active? transaction = Appsignal::Transaction.current set_transaction_details_from_job(transaction, job) yield rescue Exception => e transaction.set_error(e) if transaction raise e ensure Appsignal::Transaction.complete_current! if transaction end |
#set_transaction_details_from_job(transaction, job) ⇒ Object
61 62 63 64 65 |
# File 'lib/sqewer/extensions/appsignal_wrapper.rb', line 61 def set_transaction_details_from_job(transaction, job) transaction.set_action('%s#%s' % [job.class.to_s, 'run']) job_params = job.respond_to?(:to_h) ? job.to_h : {} transaction.request.params = job_params end |