Revert "Revert "Bratseth/apply policies to limits""

This reverts commit c7bb123f273952b8a35e01b2fb4861bc798b3b70.

11 files changed, 158 insertions, 127 deletions

diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/applications/Cluster.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/applications/Cluster.java
index e0ccbe10b10..ad20f68ca33 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/applications/Cluster.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/applications/Cluster.java
@@ -26,7 +26,7 @@ public class Cluster {
     private final ClusterSpec.Id id;
     private final boolean exclusive;
     private final ClusterResources min, max;
-    private boolean required;
+    private final boolean required;
     private final Optional<Suggestion> suggested;
     private final Optional<ClusterResources> target;
 
diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocatableClusterResources.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocatableClusterResources.java
index 41d3f832508..2755030e2b3 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocatableClusterResources.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocatableClusterResources.java
@@ -139,7 +139,6 @@ public class AllocatableClusterResources {
     public static Optional<AllocatableClusterResources> from(ClusterResources wantedResources,
                                                              ClusterSpec clusterSpec,
                                                              Limits applicationLimits,
-                                                             boolean required,
                                                              NodeList hosts,
                                                              NodeRepository nodeRepository) {
         var capacityPolicies = new CapacityPolicies(nodeRepository);
diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocationOptimizer.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocationOptimizer.java
index b8a80a9bd2b..d727757b07e 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocationOptimizer.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/autoscale/AllocationOptimizer.java
@@ -66,7 +66,6 @@ public class AllocationOptimizer {
                                                                                groupsAdjustedForRedundancy,
                                                                                limits, target, current, clusterModel));
                 var allocatableResources = AllocatableClusterResources.from(next, current.clusterSpec(), limits,
-                                                                            clusterModel.cluster().required(),
                                                                             hosts, nodeRepository);
 
                 if (allocatableResources.isEmpty()) continue;
diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/CapacityPolicies.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/CapacityPolicies.java
index 0c2c3c48df1..2b9c5396724 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/CapacityPolicies.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/CapacityPolicies.java
@@ -3,6 +3,7 @@ package com.yahoo.vespa.hosted.provision.provisioning;
 
 import com.yahoo.config.provision.ApplicationId;
 import com.yahoo.config.provision.Capacity;
+import com.yahoo.config.provision.ClusterResources;
 import com.yahoo.config.provision.ClusterSpec;
 import com.yahoo.config.provision.Environment;
 import com.yahoo.config.provision.NodeResources;
@@ -29,10 +30,21 @@ public class CapacityPolicies {
         this.sharedHosts = type -> PermanentFlags.SHARED_HOST.bindTo(nodeRepository.flagSource()).value().isEnabled(type.name());
     }
 
-    public int decideSize(int requested, boolean required, boolean canFail, boolean isTester, ClusterSpec cluster) {
+    public Capacity applyOn(Capacity capacity, ApplicationId application) {
+        return capacity.withLimits(applyOn(capacity.minResources(), capacity, application),
+                                   applyOn(capacity.maxResources(), capacity, application));
+    }
+
+    private ClusterResources applyOn(ClusterResources resources, Capacity capacity, ApplicationId application) {
+        int nodes = decideSize(resources.nodes(), capacity.isRequired(), application.instance().isTester());
+        int groups = Math.min(resources.groups(), nodes); // cannot have more groups than nodes
+        var nodeResources = decideNodeResources(resources.nodeResources(), capacity.isRequired());
+        return new ClusterResources(nodes, groups, nodeResources);
+    }
+
+    private int decideSize(int requested, boolean required, boolean isTester) {
         if (isTester) return 1;
 
-        ensureRedundancy(requested, cluster, canFail);
         if (required) return requested;
         switch(zone.environment()) {
             case dev : case test : return 1;
@@ -43,10 +55,7 @@ public class CapacityPolicies {
         }
     }
 
-    public NodeResources decideNodeResources(NodeResources target, boolean required, ClusterSpec cluster) {
-        if (target.isUnspecified())
-            target = defaultNodeResources(cluster.type());
-
+    private NodeResources decideNodeResources(NodeResources target, boolean required) {
         if (required) return target;
 
         // Dev does not cap the cpu or network of containers since usage is spotty: Allocate just a small amount exclusively
@@ -77,28 +86,11 @@ public class CapacityPolicies {
     }
 
     /**
-     * Whether or not the nodes requested can share physical host with other applications.
+     * Returns whether the nodes requested can share physical host with other applications.
      * A security feature which only makes sense for prod.
      */
     public boolean decideExclusivity(Capacity capacity, boolean requestedExclusivity) {
         return requestedExclusivity && (capacity.isRequired() || zone.environment() == Environment.prod);
     }
 
-    /**
-     * Throw if the node count is 1 for container and content clusters and we're in a production zone
-     *
-     * @throws IllegalArgumentException if only one node is requested and we can fail
-     */
-    private void ensureRedundancy(int nodeCount, ClusterSpec cluster, boolean canFail) {
-        if (canFail &&
-            nodeCount == 1 &&
-            requiresRedundancy(cluster.type()) &&
-            zone.environment().isProduction())
-            throw new IllegalArgumentException("Deployments to prod require at least 2 nodes per cluster for redundancy. Not fulfilled for " + cluster);
-    }
-
-    private static boolean requiresRedundancy(ClusterSpec.Type clusterType) {
-        return clusterType.isContent() || clusterType.isContainer();
-    }
-
 }
diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/NodeRepositoryProvisioner.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/NodeRepositoryProvisioner.java
index b35b0a5e301..5dac2004931 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/NodeRepositoryProvisioner.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/NodeRepositoryProvisioner.java
@@ -84,8 +84,8 @@ public class NodeRepositoryProvisioner implements Provisioner {
     @Override
     public List<HostSpec> prepare(ApplicationId application, ClusterSpec cluster, Capacity requested,
                                   ProvisionLogger logger) {
-        log.log(Level.FINE, () -> "Received deploy prepare request for " + requested +
-                                  " for application " + application + ", cluster " + cluster);
+        log.log(Level.FINE, "Received deploy prepare request for " + requested +
+                            " for application " + application + ", cluster " + cluster);
 
         if (cluster.group().isPresent()) throw new IllegalArgumentException("Node requests cannot specify a group");
 
@@ -96,17 +96,16 @@ public class NodeRepositoryProvisioner implements Provisioner {
         NodeResources resources;
         NodeSpec nodeSpec;
         if (requested.type() == NodeType.tenant) {
-            ClusterResources target = decideTargetResources(application, cluster, requested);
-            int nodeCount = capacityPolicies.decideSize(target.nodes(),
-                                                        requested.isRequired(),
-                                                        requested.canFail(),
-                                                        application.instance().isTester(),
-                                                        cluster);
-            groups = Math.min(target.groups(), nodeCount); // cannot have more groups than nodes
-            resources = capacityPolicies.decideNodeResources(target.nodeResources(), requested.isRequired(), cluster);
-            boolean exclusive = capacityPolicies.decideExclusivity(requested, cluster.isExclusive());
-            nodeSpec = NodeSpec.from(nodeCount, resources, exclusive, requested.canFail());
-            logIfDownscaled(target.nodes(), nodeCount, cluster, logger);
+            var actual = capacityPolicies.applyOn(requested, application);
+            ClusterResources target = decideTargetResources(application, cluster, actual);
+            boolean exclusive = capacityPolicies.decideExclusivity(actual, cluster.isExclusive());
+            ensureRedundancy(target.nodes(), cluster, actual.canFail(), application);
+            logIfDownscaled(requested.minResources().nodes(), actual.minResources().nodes(), cluster, logger);
+
+            groups = target.groups();
+            resources = target.nodeResources().isUnspecified() ? capacityPolicies.defaultNodeResources(cluster.type())
+                                                               : target.nodeResources();
+            nodeSpec = NodeSpec.from(target.nodes(), resources, exclusive, actual.canFail());
         }
         else {
             groups = 1; // type request with multiple groups is not supported
@@ -190,10 +189,28 @@ public class NodeRepositoryProvisioner implements Provisioner {
                                   .advertisedResources();
     }
 
-    private void logIfDownscaled(int targetNodes, int actualNodes, ClusterSpec cluster, ProvisionLogger logger) {
-        if (zone.environment().isManuallyDeployed() && actualNodes < targetNodes)
-            logger.log(Level.INFO, "Requested " + targetNodes + " nodes for " + cluster +
-                                   ", downscaling to " + actualNodes + " nodes in " + zone.environment());
+    /**
+     * Throw if the node count is 1 for container and content clusters and we're in a production zone
+     *
+     * @throws IllegalArgumentException if only one node is requested and we can fail
+     */
+    private void ensureRedundancy(int nodeCount, ClusterSpec cluster, boolean canFail, ApplicationId application) {
+        if (! application.instance().isTester() &&
+            canFail &&
+            nodeCount == 1 &&
+            requiresRedundancy(cluster.type()) &&
+            zone.environment().isProduction())
+            throw new IllegalArgumentException("Deployments to prod require at least 2 nodes per cluster for redundancy. Not fulfilled for " + cluster);
+    }
+
+    private static boolean requiresRedundancy(ClusterSpec.Type clusterType) {
+        return clusterType.isContent() || clusterType.isContainer();
+    }
+
+    private void logIfDownscaled(int requestedMinNodes, int actualMinNodes, ClusterSpec cluster, ProvisionLogger logger) {
+        if (zone.environment().isManuallyDeployed() && actualMinNodes < requestedMinNodes)
+            logger.log(Level.INFO, "Requested " + requestedMinNodes + " nodes for " + cluster +
+                                   ", downscaling to " + actualMinNodes + " nodes in " + zone.environment());
     }
 
     private List<HostSpec> asSortedHosts(List<Node> nodes, NodeResources requestedResources) {
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTest.java b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTest.java
index 90ab5cba772..7ade2cdf8c4 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTest.java
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTest.java
@@ -15,6 +15,7 @@ import com.yahoo.config.provision.NodeType;
 import com.yahoo.config.provision.RegionName;
 import com.yahoo.config.provision.SystemName;
 import com.yahoo.config.provision.Zone;
+import com.yahoo.vespa.hosted.provision.Node;
 import com.yahoo.vespa.hosted.provision.NodeRepository;
 import com.yahoo.vespa.hosted.provision.Nodelike;
 import com.yahoo.vespa.hosted.provision.provisioning.CapacityPolicies;
@@ -51,10 +52,10 @@ public class AutoscalingTest {
         tester.deploy(application1, cluster1, 5, 1, hostResources);
 
         tester.clock().advance(Duration.ofDays(1));
-        assertTrue("No measurements -> No change", tester.autoscale(application1, cluster1.id(), capacity).isEmpty());
+        assertTrue("No measurements -> No change", tester.autoscale(application1, cluster1, capacity).isEmpty());
 
         tester.addCpuMeasurements(0.25f, 1f, 59, application1);
-        assertTrue("Too few measurements -> No change", tester.autoscale(application1, cluster1.id(), capacity).isEmpty());
+        assertTrue("Too few measurements -> No change", tester.autoscale(application1, cluster1, capacity).isEmpty());
 
         tester.clock().advance(Duration.ofDays(1));
         tester.addCpuMeasurements(0.25f, 1f, 120, application1);
@@ -62,10 +63,10 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         ClusterResources scaledResources = tester.assertResources("Scaling up since resource usage is too high",
                                                                   15, 1, 1.2,  28.6, 28.6,
-                                                                  tester.autoscale(application1, cluster1.id(), capacity).target());
+                                                                  tester.autoscale(application1, cluster1, capacity).target());
 
         tester.deploy(application1, cluster1, scaledResources);
-        assertTrue("Cluster in flux -> No further change", tester.autoscale(application1, cluster1.id(), capacity).isEmpty());
+        assertTrue("Cluster in flux -> No further change", tester.autoscale(application1, cluster1, capacity).isEmpty());
 
         tester.deactivateRetired(application1, cluster1, scaledResources);
 
@@ -74,19 +75,19 @@ public class AutoscalingTest {
         tester.clock().advance(Duration.ofMinutes(-10 * 5));
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         assertTrue("Load change is large, but insufficient measurements for new config -> No change",
-                   tester.autoscale(application1, cluster1.id(), capacity).isEmpty());
+                   tester.autoscale(application1, cluster1, capacity).isEmpty());
 
         tester.addCpuMeasurements(0.19f, 1f, 100, application1);
         tester.clock().advance(Duration.ofMinutes(-10 * 5));
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
-        assertEquals("Load change is small -> No change", Optional.empty(), tester.autoscale(application1, cluster1.id(), capacity).target());
+        assertEquals("Load change is small -> No change", Optional.empty(), tester.autoscale(application1, cluster1, capacity).target());
 
         tester.addCpuMeasurements(0.1f, 1f, 120, application1);
         tester.clock().advance(Duration.ofMinutes(-10 * 5));
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling down to minimum since usage has gone down significantly",
                                7, 1, 1.0, 66.7, 66.7,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         var events = tester.nodeRepository().applications().get(application1).get().cluster(cluster1.id()).get().scalingEvents();
     }
@@ -110,7 +111,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         ClusterResources scaledResources = tester.assertResources("Scaling up since cpu usage is too high",
                                                                   7, 1, 2.5,  80.0, 80.0,
-                                                                  tester.autoscale(application1, cluster1.id(), capacity).target());
+                                                                  tester.autoscale(application1, cluster1, capacity).target());
 
         tester.deploy(application1, cluster1, scaledResources);
         tester.deactivateRetired(application1, cluster1, scaledResources);
@@ -120,7 +121,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling down since cpu usage has gone down",
                                4, 1, 2.5, 68.6, 68.6,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -147,7 +148,7 @@ public class AutoscalingTest {
         var capacity = Capacity.from(min, max);
         ClusterResources scaledResources = tester.assertResources("Scaling up since resource usage is too high",
                                                                   14, 1, 1.4,  30.8, 30.8,
-                                                                  tester.autoscale(application1, cluster1.id(), capacity).target());
+                                                                  tester.autoscale(application1, cluster1, capacity).target());
         assertEquals("Disk speed from min/max is used",
                      NodeResources.DiskSpeed.any, scaledResources.nodeResources().diskSpeed());
         tester.deploy(application1, cluster1, scaledResources);
@@ -180,7 +181,7 @@ public class AutoscalingTest {
         // Autoscaling: Uses disk-speed any as well
         tester.clock().advance(Duration.ofDays(2));
         tester.addCpuMeasurements(0.8f, 1f, 120, application1);
-        Autoscaler.Advice advice = tester.autoscale(application1, cluster1.id(), capacity);
+        Autoscaler.Advice advice = tester.autoscale(application1, cluster1, capacity);
         assertEquals(NodeResources.DiskSpeed.any, advice.target().get().nodeResources().diskSpeed());
 
 
@@ -205,7 +206,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling up to limit since resource usage is too high",
                                6, 1, 2.4,  78.0, 79.0,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -224,7 +225,7 @@ public class AutoscalingTest {
         tester.addMeasurements(0.05f, 0.05f, 0.05f,  0, 120, application1);
         tester.assertResources("Scaling down to limit since resource usage is low",
                                4, 1, 1.8,  7.7, 10.0,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -251,7 +252,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling up to limit since resource usage is too high",
                                4, 1, defaultResources,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -272,7 +273,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling up since resource usage is too high",
                                6, 6, 3.6,  8.0, 10.0,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -290,7 +291,7 @@ public class AutoscalingTest {
         tester.deploy(application1, cluster1, 5, 1, resources);
         tester.clock().advance(Duration.ofDays(1));
         tester.addCpuMeasurements(0.25f, 1f, 120, application1);
-        assertTrue(tester.autoscale(application1, cluster1.id(), capacity).isEmpty());
+        assertTrue(tester.autoscale(application1, cluster1, capacity).isEmpty());
     }
 
     @Test
@@ -360,7 +361,7 @@ public class AutoscalingTest {
         tester.deploy(application1, cluster1, 2, 1, resources);
         tester.addMeasurements(0.5f, 0.6f, 0.7f, 1, false, true, 120, application1);
         assertTrue("Not scaling up since nodes were measured while cluster was unstable",
-                   tester.autoscale(application1, cluster1.id(), capacity).isEmpty());
+                   tester.autoscale(application1, cluster1, capacity).isEmpty());
     }
 
     @Test
@@ -378,7 +379,7 @@ public class AutoscalingTest {
         tester.deploy(application1, cluster1, 2, 1, resources);
         tester.addMeasurements(0.5f, 0.6f, 0.7f, 1, true, false, 120, application1);
         assertTrue("Not scaling up since nodes were measured while cluster was unstable",
-                   tester.autoscale(application1, cluster1.id(), capacity).isEmpty());
+                   tester.autoscale(application1, cluster1, capacity).isEmpty());
     }
 
     @Test
@@ -399,7 +400,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling up since resource usage is too high",
                                7, 7, 2.5,  80.0, 80.0,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -422,7 +423,7 @@ public class AutoscalingTest {
                                    t -> 1.0);
         tester.assertResources("Scaling up since resource usage is too high, changing to 1 group is cheaper",
                                8, 1, 2.6,  83.3, 83.3,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     /** Same as above but mostly write traffic, which favors smaller groups */
@@ -446,7 +447,7 @@ public class AutoscalingTest {
                                    t -> 100.0);
         tester.assertResources("Scaling down since resource usage is too high, changing to 1 group is cheaper",
                                4, 1, 2.1,  83.3, 83.3,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -468,7 +469,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Increase group size to reduce memory load",
                                8, 2, 12.4,  96.2, 62.5,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -489,7 +490,7 @@ public class AutoscalingTest {
         tester.addMemMeasurements(0.02f, 0.95f, 120, application1);
         tester.assertResources("Scaling down",
                                6, 1, 2.9, 4.0, 95.0,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -509,7 +510,7 @@ public class AutoscalingTest {
         tester.addMemMeasurements(0.02f, 0.95f, 120, application1);
         tester.clock().advance(Duration.ofMinutes(-10 * 5));
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
-        assertTrue(tester.autoscale(application1, cluster1.id(), capacity).target().isEmpty());
+        assertTrue(tester.autoscale(application1, cluster1, capacity).target().isEmpty());
 
         // Trying the same later causes autoscaling
         tester.clock().advance(Duration.ofDays(2));
@@ -518,7 +519,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling down",
                                6, 1, 1.4, 4.0, 95.0,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -529,7 +530,8 @@ public class AutoscalingTest {
         var capacity = Capacity.from(min, max);
 
         { // No memory tax
-            AutoscalingTester tester = new AutoscalingTester(Environment.prod, hostResources,
+            AutoscalingTester tester = new AutoscalingTester(new Zone(Environment.prod, RegionName.from("us-east")),
+                                                             hostResources,
                                                              new OnlySubtractingWhenForecastingCalculator(0));
 
             ApplicationId application1 = tester.applicationId("app1");
@@ -541,11 +543,12 @@ public class AutoscalingTest {
             tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
             tester.assertResources("Scaling up",
                                    4, 1, 6.7, 20.5, 200,
-                                   tester.autoscale(application1, cluster1.id(), capacity).target());
+                                   tester.autoscale(application1, cluster1, capacity).target());
         }
 
         { // 15 Gb memory tax
-            AutoscalingTester tester = new AutoscalingTester(Environment.prod, hostResources,
+            AutoscalingTester tester = new AutoscalingTester(new Zone(Environment.prod, RegionName.from("us-east")),
+                                                             hostResources,
                                                              new OnlySubtractingWhenForecastingCalculator(15));
 
             ApplicationId application1 = tester.applicationId("app1");
@@ -557,7 +560,7 @@ public class AutoscalingTest {
             tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
             tester.assertResources("Scaling up",
                                    4, 1, 6.7, 35.5, 200,
-                                   tester.autoscale(application1, cluster1.id(), capacity).target());
+                                   tester.autoscale(application1, cluster1, capacity).target());
         }
     }
 
@@ -588,7 +591,7 @@ public class AutoscalingTest {
         tester.addMemMeasurements(0.9f, 0.6f, 120, application1);
         ClusterResources scaledResources = tester.assertResources("Scaling up since resource usage is too high.",
                                                                   8, 1, 3,  83, 34.3,
-                                                                  tester.autoscale(application1, cluster1.id(), capacity).target());
+                                                                  tester.autoscale(application1, cluster1, capacity).target());
 
         tester.deploy(application1, cluster1, scaledResources);
         tester.deactivateRetired(application1, cluster1, scaledResources);
@@ -599,7 +602,7 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(), 10, t -> t == 0 ? 20.0 : 10.0); // Query traffic only
         tester.assertResources("Scaling down since resource usage has gone down",
                                5, 1, 3, 83, 36.0,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -621,17 +624,17 @@ public class AutoscalingTest {
         // (no read share stored)
         tester.assertResources("Advice to scale up since we set aside for bcp by default",
                                7, 1, 3,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.storeReadShare(0.25, 0.5, application1);
         tester.assertResources("Half of global share is the same as the default assumption used above",
                                7, 1, 3,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.storeReadShare(0.5, 0.5, application1);
         tester.assertResources("Advice to scale down since we don't need room for bcp",
                                4, 1, 3,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
     }
 
@@ -656,7 +659,7 @@ public class AutoscalingTest {
         // (no query rate data)
         tester.assertResources("Scale up since we assume we need 2x cpu for growth when no data scaling time data",
                                5, 1, 6.3,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.setScalingDuration(application1, cluster1.id(), Duration.ofMinutes(5));
         tester.addQueryRateMeasurements(application1, cluster1.id(),
@@ -666,7 +669,7 @@ public class AutoscalingTest {
         tester.addCpuMeasurements(0.25f, 1f, 100, application1);
         tester.assertResources("Scale down since observed growth is slower than scaling time",
                                5, 1, 3.4,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.clearQueryRateMeasurements(application1, cluster1.id());
 
@@ -678,7 +681,7 @@ public class AutoscalingTest {
         tester.addCpuMeasurements(0.25f, 1f, 100, application1);
         tester.assertResources("Scale up since observed growth is faster than scaling time",
                                5, 1, 10.0,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -705,55 +708,35 @@ public class AutoscalingTest {
         tester.addLoadMeasurements(application1, cluster1.id(), 100, t -> t == 0 ? 20.0 : 10.0, t -> 10.0);
         tester.assertResources("Query and write load is equal -> scale up somewhat",
                                5, 1, 7.3,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.addCpuMeasurements(0.4f, 1f, 100, application1);
         tester.clock().advance(Duration.ofMinutes(-100 * 5));
         tester.addLoadMeasurements(application1, cluster1.id(), 100, t -> t == 0 ? 80.0 : 40.0, t -> 10.0);
         tester.assertResources("Query load is 4x write load -> scale up more",
                                5, 1, 9.5,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.addCpuMeasurements(0.3f, 1f, 100, application1);
         tester.clock().advance(Duration.ofMinutes(-100 * 5));
         tester.addLoadMeasurements(application1, cluster1.id(), 100, t -> t == 0 ? 20.0 : 10.0, t -> 100.0);
         tester.assertResources("Write load is 10x query load -> scale down",
                                5, 1, 2.9,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.addCpuMeasurements(0.4f, 1f, 100, application1);
         tester.clock().advance(Duration.ofMinutes(-100 * 5));
         tester.addLoadMeasurements(application1, cluster1.id(), 100, t -> t == 0 ? 20.0 : 10.0, t-> 0.0);
         tester.assertResources("Query only -> largest possible",
                                5, 1, 10.0,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
 
         tester.addCpuMeasurements(0.4f, 1f, 100, application1);
         tester.clock().advance(Duration.ofMinutes(-100 * 5));
         tester.addLoadMeasurements(application1, cluster1.id(), 100, t ->  0.0, t -> 10.0);
         tester.assertResources("Write only -> smallest possible",
                                5, 1, 2.1,  100, 100,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
-    }
-
-    @Test
-    public void test_cd_autoscaling_test() {
-        NodeResources resources = new NodeResources(1, 4, 50, 1);
-        ClusterResources min = new ClusterResources( 2, 1, resources);
-        ClusterResources max = new ClusterResources(3, 1, resources);
-        var capacity = Capacity.from(min, max);
-        AutoscalingTester tester = new AutoscalingTester(resources.withVcpu(resources.vcpu() * 2));
-        ApplicationId application1 = tester.applicationId("application1");
-        ClusterSpec cluster1 = tester.clusterSpec(ClusterSpec.Type.container, "cluster1");
-        tester.deploy(application1, cluster1, 2, 1, resources);
-
-        tester.addQueryRateMeasurements(application1, cluster1.id(),
-                                        500, t -> 0.0);
-        tester.addCpuMeasurements(0.5f, 1f, 10, application1);
-
-        tester.assertResources("Advice to scale up since observed growth is much faster than scaling time",
-                               3, 1, 1,  4, 50,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     @Test
@@ -771,8 +754,8 @@ public class AutoscalingTest {
         tester.addQueryRateMeasurements(application1, cluster1.id(),
                                         500, t -> 100.0);
         tester.addCpuMeasurements(1.0f, 1f, 10, application1);
-        //assertTrue("Not attempting to scale up because policies dictate we'll only get one node",
-        //           tester.autoscale(application1, cluster1.id(), capacity).target().isEmpty());
+        assertTrue("Not attempting to scale up because policies dictate we'll only get one node",
+                   tester.autoscale(application1, cluster1, capacity).target().isEmpty());
     }
 
     /** Same setup as test_autoscaling_in_dev(), just with required = true */
@@ -793,7 +776,7 @@ public class AutoscalingTest {
         tester.addCpuMeasurements(1.0f, 1f, 10, application1);
         tester.assertResources("We scale up even in dev because resources are required",
                                3, 1, 1.0,  4, 50,
-                               tester.autoscale(application1, cluster1.id(), capacity).target());
+                               tester.autoscale(application1, cluster1, capacity).target());
     }
 
     /**
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTester.java b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTester.java
index 8d59181a027..ededdf8fe7f 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTester.java
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTester.java
@@ -24,6 +24,7 @@ import com.yahoo.vespa.hosted.provision.applications.Cluster;
 import com.yahoo.vespa.hosted.provision.applications.ScalingEvent;
 import com.yahoo.vespa.hosted.provision.node.Agent;
 import com.yahoo.vespa.hosted.provision.node.IP;
+import com.yahoo.vespa.hosted.provision.provisioning.CapacityPolicies;
 import com.yahoo.vespa.hosted.provision.provisioning.HostResourcesCalculator;
 import com.yahoo.vespa.hosted.provision.provisioning.ProvisioningTester;
 
@@ -45,6 +46,7 @@ class AutoscalingTester {
     private final ProvisioningTester provisioningTester;
     private final Autoscaler autoscaler;
     private final MockHostResourcesCalculator hostResourcesCalculator;
+    private final CapacityPolicies capacityPolicies;
 
     /** Creates an autoscaling tester with a single host type ready */
     public AutoscalingTester(NodeResources hostResources) {
@@ -52,11 +54,15 @@ class AutoscalingTester {
     }
 
     public AutoscalingTester(Environment environment, NodeResources hostResources) {
-        this(environment, hostResources, null);
+        this(new Zone(environment, RegionName.from("us-east")), hostResources, null);
     }
 
-    public AutoscalingTester(Environment environment, NodeResources hostResources, HostResourcesCalculator resourcesCalculator) {
-        this(new Zone(environment, RegionName.from("us-east")), List.of(new Flavor("hostFlavor", hostResources)), resourcesCalculator);
+    public AutoscalingTester(Zone zone, NodeResources hostResources) {
+        this(zone, hostResources, null);
+    }
+
+    public AutoscalingTester(Zone zone, NodeResources hostResources, HostResourcesCalculator resourcesCalculator) {
+        this(zone, List.of(new Flavor("hostFlavor", hostResources)), resourcesCalculator);
         provisioningTester.makeReadyNodes(20, "hostFlavor", NodeType.host, 8);
         provisioningTester.activateTenantHosts();
     }
@@ -75,6 +81,7 @@ class AutoscalingTester {
 
         hostResourcesCalculator = new MockHostResourcesCalculator(zone);
         autoscaler = new Autoscaler(nodeRepository());
+        capacityPolicies = new CapacityPolicies(provisioningTester.nodeRepository());
     }
 
     public ProvisioningTester provisioning() { return provisioningTester; }
@@ -300,13 +307,14 @@ class AutoscalingTester {
         ((MemoryMetricsDb)nodeMetricsDb()).clearClusterMetrics(application, cluster);
     }
 
-    public Autoscaler.Advice autoscale(ApplicationId applicationId, ClusterSpec.Id clusterId, Capacity capacity) {
+    public Autoscaler.Advice autoscale(ApplicationId applicationId, ClusterSpec cluster, Capacity capacity) {
+        capacity = capacityPolicies.applyOn(capacity, applicationId);
         Application application = nodeRepository().applications().get(applicationId).orElse(Application.empty(applicationId))
-                                                  .withCluster(clusterId, false, capacity);
+                                                  .withCluster(cluster.id(), false, capacity);
         try (Mutex lock = nodeRepository().nodes().lock(applicationId)) {
             nodeRepository().applications().put(application, lock);
         }
-        return autoscaler.autoscale(application, application.clusters().get(clusterId),
+        return autoscaler.autoscale(application, application.clusters().get(cluster.id()),
                                     nodeRepository().nodes().list(Node.State.active).owner(applicationId));
     }
 
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTest.java b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTest.java
index 4bda7b137a0..6d5677d0911 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTest.java
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTest.java
@@ -5,8 +5,13 @@ import com.yahoo.config.provision.ApplicationId;
 import com.yahoo.config.provision.Capacity;
 import com.yahoo.config.provision.ClusterResources;
 import com.yahoo.config.provision.ClusterSpec;
+import com.yahoo.config.provision.Environment;
 import com.yahoo.config.provision.NodeResources;
+import com.yahoo.config.provision.RegionName;
+import com.yahoo.config.provision.SystemName;
+import com.yahoo.config.provision.Zone;
 import com.yahoo.test.ManualClock;
+import com.yahoo.vespa.hosted.provision.Node;
 import com.yahoo.vespa.hosted.provision.applications.Cluster;
 import com.yahoo.vespa.hosted.provision.applications.ScalingEvent;
 import com.yahoo.vespa.hosted.provision.testutils.MockDeployer;
@@ -191,7 +196,6 @@ public class AutoscalingMaintainerTest {
         var tester = new AutoscalingMaintainerTester(new MockDeployer.ApplicationContext(app1, cluster1, app1Capacity));
         ManualClock clock = tester.clock();
 
-        // deploy
         tester.deploy(app1, cluster1, app1Capacity);
 
         autoscale(false, Duration.ofMinutes( 1), Duration.ofMinutes( 5), clock, app1, cluster1, tester);
@@ -199,6 +203,33 @@ public class AutoscalingMaintainerTest {
         autoscale( true, Duration.ofMinutes(40), Duration.ofMinutes(20), clock, app1, cluster1, tester);
     }
 
+    @Test
+    public void test_cd_autoscaling_test() {
+        ApplicationId app1 = AutoscalingMaintainerTester.makeApplicationId("app1");
+        ClusterSpec cluster1 = AutoscalingMaintainerTester.containerClusterSpec();
+        NodeResources resources = new NodeResources(1, 4, 50, 1);
+        ClusterResources min = new ClusterResources( 2, 1, resources);
+        ClusterResources max = new ClusterResources(3, 1, resources);
+        var capacity = Capacity.from(min, max);
+        var tester = new AutoscalingMaintainerTester(new Zone(SystemName.cd, Environment.prod, RegionName.from("us-east3")),
+                                                     new MockDeployer.ApplicationContext(app1, cluster1, capacity));
+        ManualClock clock = tester.clock();
+
+        tester.deploy(app1, cluster1, capacity);
+        assertEquals(2,
+                     tester.nodeRepository().nodes().list(Node.State.active)
+                           .owner(app1)
+                           .cluster(cluster1.id())
+                           .size());
+
+        autoscale(false, Duration.ofMinutes( 1), Duration.ofMinutes( 5), clock, app1, cluster1, tester);
+        assertEquals(3,
+                     tester.nodeRepository().nodes().list(Node.State.active)
+                           .owner(app1)
+                           .cluster(cluster1.id())
+                           .size());
+    }
+
     private void autoscale(boolean down, Duration completionTime, Duration expectedWindow,
                            ManualClock clock, ApplicationId application, ClusterSpec cluster,
                            AutoscalingMaintainerTester tester) {
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTester.java b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTester.java
index e36bd5e70bc..021ca4bdf64 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTester.java
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/AutoscalingMaintainerTester.java
@@ -42,9 +42,11 @@ public class AutoscalingMaintainerTester {
     private final MockDeployer deployer;
 
     public AutoscalingMaintainerTester(MockDeployer.ApplicationContext ... appContexts) {
-        provisioningTester = new ProvisioningTester.Builder().zone(new Zone(Environment.prod, RegionName.from("us-east3")))
-                                                                    .flavorsConfig(flavorsConfig())
-                                                                    .build();
+        this(new Zone(Environment.prod, RegionName.from("us-east3")), appContexts);
+    }
+
+    public AutoscalingMaintainerTester(Zone zone, MockDeployer.ApplicationContext ... appContexts) {
+        provisioningTester = new ProvisioningTester.Builder().zone(zone).flavorsConfig(flavorsConfig()).build();
         provisioningTester.clock().setInstant(Instant.ofEpochMilli(0));
         Map<ApplicationId, MockDeployer.ApplicationContext> apps = Arrays.stream(appContexts)
                                                                          .collect(Collectors.toMap(c -> c.id(), c -> c));
@@ -102,7 +104,7 @@ public class AutoscalingMaintainerTester {
 
     private FlavorsConfig flavorsConfig() {
         FlavorConfigBuilder b = new FlavorConfigBuilder();
-        b.addFlavor("flt", 30, 30, 40, 3, Flavor.Type.BARE_METAL);
+        b.addFlavor("flt", 30, 30, 50, 3, Flavor.Type.BARE_METAL);
         b.addFlavor("cpu", 40, 20, 40, 3, Flavor.Type.BARE_METAL);
         b.addFlavor("mem", 20, 40, 40, 3, Flavor.Type.BARE_METAL);
         return b.build();
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTest.java b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTest.java
index db165aae919..95f25612dd7 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTest.java
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTest.java
@@ -523,7 +523,7 @@ public class ProvisioningTest {
 
         ApplicationId application = ProvisioningTester.applicationId();
         tester.makeReadyHosts(10, defaultResources).activateTenantHosts();
-        prepare(application, 1, 2, 3, 3, defaultResources, tester);
+        prepare(application, 1, 1, 1, 1, defaultResources, tester);
     }
 
     @Test
@@ -1015,10 +1015,10 @@ public class ProvisioningTest {
         allHosts.addAll(content1);
 
         Function<Integer, Capacity> capacity = count -> Capacity.from(new ClusterResources(count, 1, NodeResources.unspecified()), required, true);
-        int expectedContainer0Size = tester.decideSize(container0Size, capacity.apply(container0Size), containerCluster0, application);
-        int expectedContainer1Size = tester.decideSize(container1Size, capacity.apply(container1Size), containerCluster1, application);
-        int expectedContent0Size = tester.decideSize(content0Size, capacity.apply(content0Size), contentCluster0, application);
-        int expectedContent1Size = tester.decideSize(content1Size, capacity.apply(content1Size), contentCluster1, application);
+        int expectedContainer0Size = tester.decideSize(capacity.apply(container0Size), application);
+        int expectedContainer1Size = tester.decideSize(capacity.apply(container1Size), application);
+        int expectedContent0Size = tester.decideSize(capacity.apply(content0Size), application);
+        int expectedContent1Size = tester.decideSize(capacity.apply(content1Size), application);
 
         assertEquals("Hosts in each group cluster is disjunct and the total number of unretired nodes is correct",
                      expectedContainer0Size + expectedContainer1Size + expectedContent0Size + expectedContent1Size,
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java
index 6ca93671087..d1ec1018023 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java
@@ -152,8 +152,8 @@ public class ProvisioningTester {
     public NodeList getNodes(ApplicationId id, Node.State ... inState) { return nodeRepository.nodes().list(inState).owner(id); }
     public InMemoryFlagSource flagSource() { return (InMemoryFlagSource) nodeRepository.flagSource(); }
 
-    public int decideSize(int size, Capacity capacity, ClusterSpec cluster, ApplicationId application) {
-        return capacityPolicies.decideSize(size, capacity.isRequired(), capacity.canFail(), application.instance().isTester(), cluster);
+    public int decideSize(Capacity capacity, ApplicationId application) {
+        return capacityPolicies.applyOn(capacity, application).minResources().nodes();
     }
 
     public Node patchNode(Node node, UnaryOperator<Node> patcher) {