Write osUpgraded event

4 files changed, 27 insertions, 3 deletions

diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/Node.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/Node.java
index bdcb96c1861..61d5909ce6f 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/Node.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/Node.java
@@ -1,6 +1,7 @@
 // Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.vespa.hosted.provision;
 
+import com.yahoo.component.Version;
 import com.yahoo.config.provision.ApplicationId;
 import com.yahoo.config.provision.ClusterMembership;
 import com.yahoo.config.provision.Flavor;
@@ -287,6 +288,17 @@ public final class Node {
         return this.with(newStatus).with(newHistory);
     }
 
+    /** Returns a copy of this node with the current OS version set to the given version at the given instant */
+    public Node withCurrentOsVersion(Version version, Instant instant) {
+        var newStatus = status.withOsVersion(version);
+        var newHistory = history();
+        // Only update history if version has changed
+        if (status.osVersion().isEmpty() || !status.osVersion().get().equals(version)) {
+            newHistory = history.with(new History.Event(History.Event.Type.osUpgraded, Agent.system, instant));
+        }
+        return this.with(newStatus).with(newHistory);
+    }
+
     /** Returns a copy of this node with the given history. */
     public Node with(History history) {
         return new Node(id, ipConfig, hostname, parentHostname, flavor, status, state, allocation, history, type, reports, modelName);
diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/restapi/v2/NodePatcher.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/restapi/v2/NodePatcher.java
index 8dcf3c260f5..8ec21a246bc 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/restapi/v2/NodePatcher.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/restapi/v2/NodePatcher.java
@@ -120,7 +120,7 @@ public class NodePatcher {
             case "currentVespaVersion" :
                 return node.with(node.status().withVespaVersion(Version.fromString(asString(value))));
             case "currentOsVersion" :
-                return node.with(node.status().withOsVersion(Version.fromString(asString(value))));
+                return node.withCurrentOsVersion(Version.fromString(asString(value)), clock.instant());
             case "currentFirmwareCheck":
                 return node.with(node.status().withFirmwareVerifiedAt(Instant.ofEpochMilli(asLong(value))));
             case "failCount" :
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/persistence/SerializationTest.java b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/persistence/SerializationTest.java
index 23699879ceb..60d88ad1bb4 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/persistence/SerializationTest.java
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/persistence/SerializationTest.java
@@ -325,10 +325,17 @@ public class SerializationTest {
         assertFalse(serialized.status().osVersion().isPresent());
 
         // Update OS version
-        serialized = serialized.with(serialized.status()
-                                               .withOsVersion(Version.fromString("7.1")));
+        serialized = serialized.withCurrentOsVersion(Version.fromString("7.1"), Instant.ofEpochMilli(123))
+                               // Another update for same version:
+                               .withCurrentOsVersion(Version.fromString("7.1"), Instant.ofEpochMilli(456));
         serialized = nodeSerializer.fromJson(State.provisioned, nodeSerializer.toJson(serialized));
         assertEquals(Version.fromString("7.1"), serialized.status().osVersion().get());
+        var osUpgradedEvents = serialized.history().events().stream()
+                                         .filter(event -> event.type() == History.Event.Type.osUpgraded)
+                                         .collect(Collectors.toList());
+        assertEquals("OS upgraded event is added", 1, osUpgradedEvents.size());
+        assertEquals("Duplicate updates of same version uses earliest instant", Instant.ofEpochMilli(123),
+                     osUpgradedEvents.get(0).at());
     }
 
     @Test
diff --git a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/restapi/v2/responses/docker-node1-os-upgrade-complete.json b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/restapi/v2/responses/docker-node1-os-upgrade-complete.json
index f5068924084..31bdfe7d6e3 100644
--- a/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/restapi/v2/responses/docker-node1-os-upgrade-complete.json
+++ b/node-repository/src/test/java/com/yahoo/vespa/hosted/provision/restapi/v2/responses/docker-node1-os-upgrade-complete.json
@@ -57,6 +57,11 @@
       "event": "activated",
       "at": 123,
       "agent": "application"
+    },
+    {
+      "event": "osUpgraded",
+      "at": 123,
+      "agent": "system"
     }
   ],
   "ipAddresses": [