Allow quarkus.application.name to be overridden for Spring Cloud Config Server

extensions/spring-cloud-config-client/runtime/src/main/java/io/quarkus/spring/cloud/config/client/runtime/SpringCloudConfigClientConfig.java

@@ -36,6 +36,13 @@ public interface SpringCloudConfigClientConfig {
     @WithDefault("http://localhost:8888")
     String url();
 
+    /**
+     * Name of the application on Spring Cloud Config server.
+     * Could be a list of names to load multiple files (value separated by a comma)
+     */
+    @WithDefault("${quarkus.application.name:}")
+    String name();
+
     /**
      * The label to be used to pull remote configuration properties.
      * The default is set on the Spring Cloud Config Server

extensions/spring-cloud-config-client/runtime/src/main/java/io/quarkus/spring/cloud/config/client/runtime/SpringCloudConfigClientConfigSourceFactory.java

@@ -12,10 +12,10 @@
 import org.jboss.logging.Logger;
 
 import io.quarkus.arc.runtime.appcds.AppCDSRecorder;
+import io.quarkus.runtime.util.StringUtil;
 import io.quarkus.spring.cloud.config.client.runtime.Response.PropertySource;
 import io.smallrye.config.ConfigSourceContext;
 import io.smallrye.config.ConfigSourceFactory.ConfigurableConfigSourceFactory;
-import io.smallrye.config.ConfigValue;
 import io.smallrye.config.common.MapBackedConfigSource;
 
 public class SpringCloudConfigClientConfigSourceFactory
@@ -39,10 +39,10 @@ public Iterable<ConfigSource> getConfigSources(final ConfigSourceContext context
             return sources;
         }
 
-        ConfigValue applicationName = context.getValue("quarkus.application.name");
-        if (applicationName == null || applicationName.getValue() == null) {
+        String applicationName = config.name();
+        if (StringUtil.isNullOrEmpty(applicationName)) {
             log.warn(
-                    "No attempt will be made to obtain configuration from the Spring Cloud Config Server because the application name has not been set. Consider setting it via 'quarkus.application.name'");
+                    "No attempt will be made to obtain configuration from the Spring Cloud Config Server because the application name has not been set. Consider setting it via 'quarkus.spring-cloud-config.name'");
             return sources;
         }
 
@@ -58,10 +58,10 @@ public Iterable<ConfigSource> getConfigSources(final ConfigSourceContext context
             for (String profile : profiles) {
                 Response response;
                 if (connectionTimeoutIsGreaterThanZero || readTimeoutIsGreaterThanZero) {
-                    response = client.exchange(applicationName.getValue(), profile).await()
+                    response = client.exchange(applicationName, profile).await()
                             .atMost(config.connectionTimeout().plus(config.readTimeout().multipliedBy(2)));
                 } else {
-                    response = client.exchange(applicationName.getValue(), profile).await().indefinitely();
+                    response = client.exchange(applicationName, profile).await().indefinitely();
                 }
 
                 if (response.getProfiles().contains(profile)) {

extensions/spring-cloud-config-client/runtime/src/test/java/io/quarkus/spring/cloud/config/client/runtime/SpringCloudConfigClientConfigSourceFactoryTest.java

@@ -0,0 +1,206 @@
+package io.quarkus.spring.cloud.config.client.runtime;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.Assertions.entry;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.time.Duration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.eclipse.microprofile.config.spi.ConfigSource;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+
+import com.github.tomakehurst.wiremock.WireMockServer;
+import com.github.tomakehurst.wiremock.client.WireMock;
+
+import io.quarkus.arc.runtime.appcds.AppCDSRecorder;
+import io.smallrye.config.ConfigSourceContext;
+
+class SpringCloudConfigClientConfigSourceFactoryTest {
+
+    private static final int MOCK_SERVER_PORT = 9300;
+    private static final WireMockServer wireMockServer = new WireMockServer(MOCK_SERVER_PORT);
+
+    @BeforeAll
+    static void start() {
+
+        wireMockServer.start();
+    }
+
+    @AfterAll
+    static void stop() {
+
+        wireMockServer.stop();
+    }
+
+    @Test
+    void testExtensionDisabled() {
+
+        // Arrange
+        final ConfigSourceContext context = Mockito.mock(ConfigSourceContext.class);
+        final SpringCloudConfigClientConfig config = configForTesting(false, "foo", MOCK_SERVER_PORT, true);
+        final SpringCloudConfigClientConfigSourceFactory factory = new SpringCloudConfigClientConfigSourceFactory();
+
+        // Act
+        final Iterable<ConfigSource> configSourceIterable = factory.getConfigSources(context, config);
+
+        // Assert
+        assertThat(configSourceIterable).isEmpty();
+    }
+
+    @Test
+    void testNameNotProvided() {
+
+        // Arrange
+        final ConfigSourceContext context = Mockito.mock(ConfigSourceContext.class);
+        final SpringCloudConfigClientConfig config = configForTesting(true, null, MOCK_SERVER_PORT, true);
+        final SpringCloudConfigClientConfigSourceFactory factory = new SpringCloudConfigClientConfigSourceFactory();
+
+        // Act
+        final Iterable<ConfigSource> configSourceIterable = factory.getConfigSources(context, config);
+
+        // Assert
+        assertThat(configSourceIterable).isEmpty();
+    }
+
+    @Test
+    void testInAppCDsGeneration() {
+
+        // Arrange
+        final ConfigSourceContext context = Mockito.mock(ConfigSourceContext.class);
+        final SpringCloudConfigClientConfig config = configForTesting(true, "foo", MOCK_SERVER_PORT, true);
+        final SpringCloudConfigClientConfigSourceFactory factory = new SpringCloudConfigClientConfigSourceFactory();
+
+        System.setProperty(AppCDSRecorder.QUARKUS_APPCDS_GENERATE_PROP, "true");
+
+        // Act
+        final Iterable<ConfigSource> configSourceIterable = factory.getConfigSources(context, config);
+
+        // Clear property, because not necessary any more
+        System.clearProperty(AppCDSRecorder.QUARKUS_APPCDS_GENERATE_PROP);
+
+        // Assert
+        assertThat(configSourceIterable).isEmpty();
+    }
+
+    @Test
+    void testFailFastDisable() {
+
+        // Arrange
+        final ConfigSourceContext context = Mockito.mock(ConfigSourceContext.class);
+        final SpringCloudConfigClientConfig config = configForTesting(true, "unknown-application", 1234, false);
+        final SpringCloudConfigClientConfigSourceFactory factory = new SpringCloudConfigClientConfigSourceFactory();
+
+        Mockito.when(context.getProfiles()).thenReturn(List.of("dev"));
+
+        // Act
+        final Iterable<ConfigSource> configSourceIterable = factory.getConfigSources(context, config);
+
+        // Assert
+        assertThat(configSourceIterable).isEmpty();
+    }
+
+    @Test
+    void testFailFastEnabled() {
+
+        // Arrange
+        final ConfigSourceContext context = Mockito.mock(ConfigSourceContext.class);
+        final SpringCloudConfigClientConfig config = configForTesting(true, "unknown-application", 1234, true);
+        final SpringCloudConfigClientConfigSourceFactory factory = new SpringCloudConfigClientConfigSourceFactory();
+
+        Mockito.when(context.getProfiles()).thenReturn(List.of("dev"));
+
+        // Act + Assert
+        assertThatThrownBy(() -> factory.getConfigSources(context, config)).isInstanceOf(RuntimeException.class)
+                .hasMessageContaining("Unable to obtain configuration from Spring Cloud Config Server at");
+    }
+
+    @Test
+    void testBasic() throws IOException {
+
+        // Arrange
+        final String profile = "dev";
+        final ConfigSourceContext context = Mockito.mock(ConfigSourceContext.class);
+        final SpringCloudConfigClientConfig config = configForTesting(true, "foo", MOCK_SERVER_PORT, true);
+        final SpringCloudConfigClientConfigSourceFactory factory = new SpringCloudConfigClientConfigSourceFactory();
+
+        Mockito.when(context.getProfiles()).thenReturn(List.of(profile));
+        wireMockServer.stubFor(WireMock.get(String.format("/%s/%s/%s", config.name(), profile, config.label().get()))
+                .willReturn(WireMock.okJson(getJsonStringForApplicationAndProfile(config.name(), profile))));
+
+        // Act
+        final Iterable<ConfigSource> configSourceIterable = factory.getConfigSources(context, config);
+
+        // Assert
+        assertThat(configSourceIterable).hasSize(4);
+        assertThat(configSourceIterable).isInstanceOf(List.class);
+
+        final List<ConfigSource> configSourceList = (List<ConfigSource>) configSourceIterable;
+        assertThat(configSourceList.get(0)).satisfies(cs -> {
+            assertThat(cs.getName()).isEqualTo("https://github.com/spring-cloud-samples/config-repo/application.yml");
+            assertThat(cs.getOrdinal()).isEqualTo(450);
+            assertThat(cs.getProperties()).contains(entry("%dev.info.description", "Spring Cloud Samples"),
+                    entry("%dev.foo", "baz"), entry("%dev.info.url", "https://github.com/spring-cloud-samples"),
+                    entry("%dev.eureka.client.serviceUrl.defaultZone", "http://localhost:8761/eureka/"));
+        });
+
+        assertThat(configSourceList.get(1)).satisfies(cs -> {
+            assertThat(cs.getName()).isEqualTo("https://github.com/spring-cloud-samples/config-repo/foo.properties");
+            assertThat(cs.getOrdinal()).isEqualTo(451);
+            assertThat(cs.getProperties()).contains(entry("%dev.foo", "from foo props"),
+                    entry("%dev.democonfigclient.message", "hello spring io"));
+        });
+
+        assertThat(configSourceList.get(2)).satisfies(cs -> {
+            assertThat(cs.getName())
+                    .isEqualTo("https://github.com/spring-cloud-samples/config-repo/application-dev.yml");
+            assertThat(cs.getOrdinal()).isEqualTo(452);
+            assertThat(cs.getProperties()).contains(entry("%dev.my.prop", "from application-dev.yml"));
+        });
+
+        assertThat(configSourceList.get(3)).satisfies(cs -> {
+            assertThat(cs.getName()).isEqualTo("https://github.com/spring-cloud-samples/config-repo/foo-dev.yml");
+            assertThat(cs.getOrdinal()).isEqualTo(453);
+            assertThat(cs.getProperties()).contains(entry("%dev.foo", "from foo development"),
+                    entry("%dev.democonfigclient.message", "hello from dev profile"), entry("%dev.bar", "spam"));
+        });
+    }
+
+    private SpringCloudConfigClientConfig configForTesting(final boolean isEnabled, final String appName,
+            final int serverPort, final boolean isFailFastEnabled) {
+
+        final SpringCloudConfigClientConfig config = Mockito.mock(SpringCloudConfigClientConfig.class);
+        when(config.enabled()).thenReturn(isEnabled);
+        when(config.name()).thenReturn(appName);
+        when(config.url()).thenReturn("http://localhost:" + serverPort);
+        when(config.label()).thenReturn(Optional.of("master"));
+        when(config.failFast()).thenReturn(isFailFastEnabled);
+        when(config.connectionTimeout()).thenReturn(Duration.ZERO);
+        when(config.readTimeout()).thenReturn(Duration.ZERO);
+        when(config.username()).thenReturn(Optional.empty());
+        when(config.password()).thenReturn(Optional.empty());
+        when(config.trustStore()).thenReturn(Optional.empty());
+        when(config.keyStore()).thenReturn(Optional.empty());
+        when(config.trustCerts()).thenReturn(false);
+        when(config.headers()).thenReturn(new HashMap<>());
+
+        return config;
+    }
+
+    private String getJsonStringForApplicationAndProfile(final String applicationName, final String profile)
+            throws IOException {
+
+        return IOUtils.toString(
+                this.getClass().getResourceAsStream(String.format("/%s-%s.json", applicationName, profile)),
+                Charset.defaultCharset());
+    }
+}