Bael 1271 (#2907)

* BAEL-1271 - initial commit

* BAEL-1271 - created an admin server and a client app that registers to

* BAEL-1271 - added security on admin server/on client actuator endpoints

* BAEL-1271 - configured mail notifications

* added unit test coverage

* added unit test coverage

* hipchat configuration

spring-boot-admin/spring-boot-admin-client/src/main/java/com/baeldung/springbootadminclient/SpringBootAdminClientApplication.java

@@ -0,0 +1,12 @@
+package com.baeldung.springbootadminclient;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootAdminClientApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringBootAdminClientApplication.class, args);
+	}
+}

spring-boot-admin/spring-boot-admin-client/src/main/resources/application.properties

@@ -0,0 +1,16 @@
+#basic auth creddentials
+security.user.name=client
+security.user.password=client
+
+#configs to connect to a secured server
+spring.boot.admin.url=http://localhost:8080
+spring.boot.admin.username=admin
+spring.boot.admin.password=admin
+
+#configs to give secured server info
+spring.boot.admin.client.metadata.user.name=${security.user.name}
+spring.boot.admin.client.metadata.user.password=${security.user.password}
+
+#app config
+spring.application.name=spring-boot-admin-client
+server.port=8081

spring-boot-admin/spring-boot-admin-client/src/main/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <jmxConfigurator />
+    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%date [%thread] %-5level %logger{25} - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="CONSOLE"/>
+    </root>
+</configuration>

spring-boot-admin/spring-boot-admin-client/src/test/java/com/baeldung/springbootadminclient/SpringBootAdminClientApplicationTests.java

@@ -0,0 +1,55 @@
+package com.baeldung.springbootadminclient;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.core.env.Environment;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.junit.Assert.assertEquals;
+import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.httpBasic;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = RANDOM_PORT)
+public class SpringBootAdminClientApplicationTests {
+
+    @Autowired Environment environment;
+
+    @Autowired WebApplicationContext wac;
+
+    private MockMvc mockMvc;
+
+    @Before
+    public void setup() {
+        mockMvc = MockMvcBuilders
+          .webAppContextSetup(wac)
+          .build();
+    }
+
+    @Test
+    public void whenEnvironmentAvailable_ThenAdminServerPropertiesExist() {
+        assertEquals(environment.getProperty("spring.boot.admin.url"), "http://localhost:8080");
+        assertEquals(environment.getProperty("spring.boot.admin.username"), "admin");
+        assertEquals(environment.getProperty("spring.boot.admin.password"), "admin");
+    }
+
+    @Test
+    public void whenHttpBasicAttempted_ThenSuccess() throws Exception {
+        mockMvc.perform(get("/env").with(httpBasic("client", "client")));
+    }
+
+    @Test
+    public void whenInvalidHttpBasicAttempted_ThenUnauthorized() throws Exception {
+        mockMvc
+          .perform(get("/env").with(httpBasic("client", "invalid")))
+          .andExpect(status().isUnauthorized());
+    }
+}