DBZ-3517 Making database.user optional for SQL Server.

SQL Server doesn't require username/password when using Kerberos authentication, which can be configured using pass-through database properties. Changing the database.user config to be optional for SQL Server Connector to reflect that.

COPYRIGHT.txt

@@ -119,6 +119,7 @@ Guy Pascarella
 Grzegorz Kołakowski
 Jan Hendrik Dolling
 Jiabao Sun
+Juan Fiallo
 Hans-Peter Grahsl
 Harvey Yue
 Henryk Konsek

debezium-connector-sqlserver/src/main/java/io/debezium/connector/sqlserver/SqlServerConnectorConfig.java

@@ -324,7 +324,7 @@ public static SnapshotIsolationMode parse(String value, String defaultValue) {
                     DATABASE_NAMES,
                     HOSTNAME,
                     PORT,
-                    USER,
+                    USER_OPTIONAL,
                     PASSWORD,
                     SERVER_TIMEZONE,
                     INSTANCE)

debezium-core/src/main/java/io/debezium/relational/RelationalDatabaseConnectorConfig.java

@@ -163,15 +163,16 @@ public static DecimalHandlingMode parse(String value, String defaultValue) {
             .withValidation(Field::isInteger)
             .withDescription("Port of the database server.");
 
-    public static final Field USER = Field.create(DATABASE_CONFIG_PREFIX + JdbcConfiguration.USER)
+    public static final Field USER_OPTIONAL = Field.create(DATABASE_CONFIG_PREFIX + JdbcConfiguration.USER)
             .withDisplayName("User")
             .withType(Type.STRING)
             .withGroup(Field.createGroupEntry(Field.Group.CONNECTION, 4))
             .withWidth(Width.SHORT)
             .withImportance(Importance.HIGH)
-            .required()
             .withDescription("Name of the database user to be used when connecting to the database.");
 
+    public static final Field USER = USER_OPTIONAL.required();
+
     public static final Field PASSWORD = Field.create(DATABASE_CONFIG_PREFIX + JdbcConfiguration.PASSWORD)
             .withDisplayName("Password")
             .withType(Type.PASSWORD)

jenkins-jobs/scripts/config/Aliases.txt

@@ -94,4 +94,5 @@ jiabao.sun,Jiabao Sun
 indraraj,Indra Shukla
 judahrand,Judah Rand
 zxpzlp,Xiaopu Zhu
-unalsurmeli,Ünal Sürmeli
+unalsurmeli,Ünal Sürmeli
+juanfiallo,Juan Fiallo