Support IPv6 addresses in spring.redis.sentinel.nodes

Fixes gh-32762

Author: wilkinsona

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/redis/RedisConnectionConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,6 @@
 import org.springframework.data.redis.connection.RedisPassword;
 import org.springframework.data.redis.connection.RedisSentinelConfiguration;
 import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
-import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.StringUtils;
 
@@ -144,9 +143,7 @@ private List<RedisNode> createSentinels(RedisProperties.Sentinel sentinel) {
 		List<RedisNode> nodes = new ArrayList<>();
 		for (String node : sentinel.getNodes()) {
 			try {
-				String[] parts = StringUtils.split(node, ":");
-				Assert.state(parts.length == 2, "Must be defined as 'host:port'");
-				nodes.add(new RedisNode(parts[0], Integer.parseInt(parts[1])));
+				nodes.add(RedisNode.fromString(node));
 			}
 			catch (RuntimeException ex) {
 				throw new IllegalStateException("Invalid redis sentinel property '" + node + "'", ex);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/redis/RedisAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -280,6 +280,16 @@ void testRedisConfigurationWithSentinel() {
 						.isTrue());
 	}
 
+	@Test
+	void testRedisConfigurationWithIpv6Sentinel() {
+		List<String> sentinels = Arrays.asList("[0:0:0:0:0:0:0:1]:26379", "[0:0:0:0:0:0:0:1]:26380");
+		this.contextRunner
+				.withPropertyValues("spring.redis.sentinel.master:mymaster",
+						"spring.redis.sentinel.nodes:" + StringUtils.collectionToCommaDelimitedString(sentinels))
+				.run((context) -> assertThat(context.getBean(LettuceConnectionFactory.class).isRedisSentinelAware())
+						.isTrue());
+	}
+
 	@Test
 	void testRedisConfigurationWithSentinelAndDatabase() {
 		this.contextRunner.withPropertyValues("spring.redis.database:1", "spring.redis.sentinel.master:mymaster",