Enforce DB 7.0 and remove 5.0 references (#23578)

* enforce DB 7.0 and remove 5.0 references

* bump mongo version for datanode

* add links to Mongo upgrade docs

* more upgrade guidance

---------

Co-authored-by: Anton Ebel <[email protected]>

Author: patrickmann

UPGRADING.md

@@ -10,6 +10,17 @@ Graylog now requires Java 21 to run. Earlier versions are no longer supported.
 Our operating system packages and container images are shipping with the
 correct Java version.
 
+### Mongo DB 7.0
+
+Graylog now requires at least Mongo DB version 7.0. Earlier versions are no longer supported.
+
+In general, MongoDB upgrades must be done from one minor release to the next, going to the latest bug fix version 
+in that release. Please refer to the Mongo DB upgrade documentation for details:
+- [Upgrade tutorial](https://www.mongodb.com/docs/manual/tutorial/upgrade-revision/#std-label-upgrade-to-latest-revision/)
+- [6.0](https://www.mongodb.com/docs/manual/release-notes/6.0-upgrade/)
+- [7.0](https://www.mongodb.com/docs/manual/release-notes/7.0-upgrade/)
+- [8.0](https://www.mongodb.com/docs/manual/release-notes/8.0-upgrade/)
+
 ### Kafka Inputs
 
 The `kafka-clients` library was updated to 4.x which removes support for Kafka

changelog/unreleased/issue-23448.toml

@@ -0,0 +1,5 @@
+type = "c"
+message = "Minimum required version of MongoDB is now raised to 7.0."
+
+issues = ["23448"]
+pulls = [""]

data-node/migration/docker-compose.yml

@@ -8,7 +8,7 @@ version: "3.8"
 services:
   mongodb:
     hostname: "mongodb"
-    image: "mongo:5.0"
+    image: "mongo:7.0"
     ports:
       - "27017:27017"
     volumes:

data-node/migration/es710-docker-compose.yml

@@ -8,7 +8,7 @@ version: "3.8"
 services:
   mongodb:
     hostname: "mongodb"
-    image: "mongo:5.0"
+    image: "mongo:7.0"
     ports:
       - "27017:27017"
     volumes:

graylog2-server/src/main/java/org/graylog2/database/MongoDBVersionCheck.java

@@ -32,7 +32,7 @@
 
 public class MongoDBVersionCheck {
     private static final Logger LOG = LoggerFactory.getLogger(MongoDBVersionCheck.class);
-    private static final Version MINIMUM_MONGODB_VERSION = Version.of(5, 0);
+    private static final Version MINIMUM_MONGODB_VERSION = Version.of(7, 0);
 
     public static Version getVersion(MongoClient mongoClient) {
         final MongoDatabase adminDb = mongoClient.getDatabase("admin");

graylog2-server/src/test/java/org/graylog/testing/containermatrix/MongodbServer.java

@@ -17,10 +17,9 @@
 package org.graylog.testing.containermatrix;
 
 public enum MongodbServer {
-    MONGO5("5.0"),
     MONGO7("7.0");
 
-    public static final MongodbServer DEFAULT_VERSION = MONGO5;
+    public static final MongodbServer DEFAULT_VERSION = MONGO7;
 
     private final String version;
 

graylog2-server/src/test/java/org/graylog/testing/containermatrix/annotations/ContainerMatrixTestsConfiguration.java

@@ -74,7 +74,7 @@
      * matrix rule
      * If no version is explicitly specified, then {@link MongodbServer#DEFAULT_VERSION will be used by the tests}
      */
-    MongodbServer[] mongoVersions() default {MongodbServer.MONGO5};
+    MongodbServer[] mongoVersions() default {MongodbServer.MONGO7};
 
     // are run after the initialization of mongoDb, gets concatenated for all tests below the above rules
     String[] mongoDBFixtures() default {};

graylog2-server/src/test/java/org/graylog2/cluster/lock/MongoLockServiceTest5.java

@@ -30,7 +30,7 @@ class ContainerMatrixTestsDescriptorTest {
 
     @Test
     void createKey() {
-        final String key = ContainerMatrixTestsDescriptor.createKey(Lifecycle.CLASS, "mavenDir", "jarDir", SearchVersion.create(SearchVersion.Distribution.OPENSEARCH, Version.valueOf("1.2.3")), MongodbServer.MONGO5, true, true, Map.of("p1", "v1"), List.of(), "datanodeJarDir");
-        Assertions.assertThat(key).isEqualTo("Lifecycle: CLASS, MavenProjectDirProvider: mavenDir, PluginJarsProvider: jarDir, Search: OpenSearch:1.2.3, MongoDB: 5.0, DatanodePluginJarsProvider: datanodeJarDir, Mailserver: enabled, Webhookserver: enabled, p1: v1");
+        final String key = ContainerMatrixTestsDescriptor.createKey(Lifecycle.CLASS, "mavenDir", "jarDir", SearchVersion.create(SearchVersion.Distribution.OPENSEARCH, Version.valueOf("1.2.3")), MongodbServer.MONGO7, true, true, Map.of("p1", "v1"), List.of(), "datanodeJarDir");
+        Assertions.assertThat(key).isEqualTo("Lifecycle: CLASS, MavenProjectDirProvider: mavenDir, PluginJarsProvider: jarDir, Search: OpenSearch:1.2.3, MongoDB: 7.0, DatanodePluginJarsProvider: datanodeJarDir, Mailserver: enabled, Webhookserver: enabled, p1: v1");
     }
 }