Merge branch 'ADAPT1-1599-schema-registry-exponential-backoff' into '…

…master'

ADAPT1-1599 "Schema registry exponential backoff"

See merge request pluralsight/Technology/adapt/data-platform/hydra!12

avro/src/main/scala/hydra/avro/registry/SchemaRegistry.scala

@@ -204,7 +204,7 @@ object SchemaRegistry {
                                                                         schemaRegistryClientRetries: Int,
                                                                         schemaRegistryClientRetriesDelay: FiniteDuration): SchemaRegistry[F] =
     new SchemaRegistry[F] {
-      val retryPolicy = limitRetries(schemaRegistryClientRetries) |+| constantDelay[F](schemaRegistryClientRetriesDelay)
+      val retryPolicy = limitRetries(schemaRegistryClientRetries) |+| exponentialBackoff[F](schemaRegistryClientRetriesDelay)
 
       private implicit class SchemaOps(sch: Schema) {
         def fields: List[Schema.Field] = fieldsEval("topLevel", box = false).value
@@ -296,17 +296,24 @@ object SchemaRegistry {
                              ): F[SchemaVersion] =
         Sync[F].delay {
           schemaRegistryClient.getVersion(subject, schema)
-        }.retryingOnAllErrors(retryPolicy, onFailure("getVersion"))
+        }.retryingOnSomeErrors(
+          isWorthRetrying = {
+            case r: RestClientException if r.getErrorCode == 40401 => false // Do not retry for RestClientException with error code 40401
+            case _ => true // Retry for all other exceptions
+          },
+          policy = retryPolicy,
+          onError = onFailure("getVersion", subject)
+        )
 
       override def getAllVersions(subject: String): F[List[SchemaId]] =
         Sync[F].fromTry(Try(schemaRegistryClient.getAllVersions(subject)))
           .map(_.asScala.toList.map(_.toInt)).recover {
           case r: RestClientException if r.getErrorCode == 40401 => List.empty
-        }.retryingOnAllErrors(retryPolicy, onFailure("getAllVersions"))
+        }.retryingOnAllErrors(retryPolicy, onFailure("getAllVersions", subject))
 
-      private def onFailure(resourceTried: String): (Throwable, RetryDetails) => F[Unit] =
+      private def onFailure(resourceTried: String, subject: String): (Throwable, RetryDetails) => F[Unit] =
         (error, retryDetails) =>
-          Logger[F].info(s"Retrying due to failure in SchemaRegistry.$resourceTried: $error. RetryDetails: $retryDetails")
+          Logger[F].info(s"Retrying due to failure in SchemaRegistry.$resourceTried: $error. Subject: $subject. RetryDetails: $retryDetails")
 
       override def getAllSubjects: F[List[String]] =
         Sync[F].delay {