goose.retry — com.nilenso/goose 0.4.0

default-death-handler clj

(default-death-handler _error-service-config job ex)

Sample death handler of a Job.
Called when a job dies, i.e. fails & has exhausted retries.
Logs exception & job details.

default-error-handler clj

(default-error-handler _error-service-config job ex)

Sample error handler of a Job.
Called when a job fails.
Logs exception & job details.

default-opts clj

Map of sample configs for error handling & retries.
A Job is considered to fail when it throws an exception during execution.
A Job is considered dead when it has exhausted max-retries

Mandatory Keys

:max-retries : Number of times to retry before marking a Job as dead.

:retry-delay-sec-fn-sym : A fully-qualified function symbol to calculate backoff time in seconds before retrying a Job.
Takes retry-count as input & returns backoff-seconds as a positive integer.
Example : default-retry-delay-sec

:error-handler-fn-sym : A fully-qualified function symbol called when a Job fails.
Takes error-service-config, job & exception as input.
Example : default-error-handler

:death-handler-fn-sym : A fully-qualified function symbol called when a Job dies.
Takes error-service-config, job & exception as input.
Example : default-death-handler

:skip-dead-queue : Boolean flag for skipping Dead Jobs queue.

Optional Keys

:retry-queue : Optional queue for retrying failed jobs in a separate queue.
This helps increase/decrease priority of retrying failed jobs.
Note: When using different retry queue, remember to start a worker process for that.

default-retry-delay-sec clj

(default-retry-delay-sec retry-count)

Calculates backoff seconds before a failed Job is retried.

max-retries-reached? clj

(max-retries-reached? {{:keys [retry-count]} :state
                       {:keys [max-retries]} :retry-opts})