Merge pull request #1545 from appsignal/prepare-minor-release

Add config options to control instrumentation

Author: unflxw

.changesets/add-delayed-job-enqueue-instrumentation.md

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+---
+bump: minor
+type: add
+---
+
+Add config options to turn individual integrations off. Set
+`instrument_sidekiq`, `instrument_shoryuken`, `instrument_que`,
+`instrument_resque`, `instrument_delayed_job`, `instrument_active_job`,
+`instrument_excon` or `instrument_mongo` to `false` to disable that
+integration entirely. This turns off both the instrumentation of the jobs or
+requests and the enqueue instrumentation for that integration. They all
+default to `true`. Each can also be set through its environment variable, such
+as `APPSIGNAL_INSTRUMENT_SIDEKIQ`.

.changesets/add-instrument-config-options.md

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+---
+bump: minor
+type: add
+---
+
+Instrument background job enqueues. Enqueuing a job now records an enqueue
+event on the active transaction, so enqueues made from within a web request or
+another job show up in the event timeline. This is recorded for Sidekiq
+(`enqueue.sidekiq`), Que (`enqueue.que`, plus `bulk_enqueue.que` for bulk
+enqueues on Que 2), Resque (`enqueue.resque`), Shoryuken (`enqueue.shoryuken`)
+and Delayed Job (`enqueue.delayed_job`). Each event is titled after the job
+being enqueued.
+
+For Active Job, the `enqueue.active_job` event is now recorded by AppSignal's
+own instrumentation rather than by Rails' native `enqueue.active_job`
+notification. The native notification is suppressed so the enqueue is recorded
+once, and the event is now titled after the job being enqueued.
+
+These enqueue events can be turned off with the
+`enable_job_enqueue_instrumentation` config option. Set it to `false` to stop
+recording enqueue events across all integrations, without affecting the
+instrumentation of the jobs themselves. It defaults to `true` and can also be
+set through the `APPSIGNAL_ENABLE_JOB_ENQUEUE_INSTRUMENTATION` environment
+variable.