1 files changed, 20 insertions, 0 deletions
diff --git a/config-model-api/src/main/java/com/yahoo/config/application/api/DeploymentInstanceSpec.java b/config-model-api/src/main/java/com/yahoo/config/application/api/DeploymentInstanceSpec.java
index e701f3903cb..677933f3b85 100644
--- a/config-model-api/src/main/java/com/yahoo/config/application/api/DeploymentInstanceSpec.java
+++ b/config-model-api/src/main/java/com/yahoo/config/application/api/DeploymentInstanceSpec.java
@@ -9,14 +9,21 @@ import com.yahoo.config.provision.RegionName;
 import java.time.Duration;
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import static com.yahoo.config.provision.Environment.prod;
+import static java.util.stream.Collectors.toList;
+import static java.util.stream.Collectors.toSet;
+
 /**
  * The deployment spec for an application instance
  *
@@ -224,6 +231,19 @@ public class DeploymentInstanceSpec extends DeploymentSpec.Steps {
         return Objects.hash(globalServiceId, upgradePolicy, revisionTarget, upgradeRollout, changeBlockers, steps(), athenzService, notifications, endpoints);
     }
 
+    int deployableHashCode() {
+        List<DeploymentSpec.DeclaredZone> zones = zones().stream().filter(zone -> zone.concerns(prod)).collect(toList());
+        Object[] toHash = new Object[zones.size() + 3];
+        int i = 0;
+        toHash[i++] = name;
+        toHash[i++] = endpoints;
+        toHash[i++] = globalServiceId;
+        for (DeploymentSpec.DeclaredZone zone : zones)
+            toHash[i++] = Objects.hash(zone, zone.athenzService());
+
+        return Arrays.hashCode(toHash);
+    }
+
     @Override
     public String toString() {
         return "instance '" + name + "'";