Initial work to support multiple profiles

core/deployment/src/main/java/io/quarkus/deployment/configuration/RunTimeConfigurationGenerator.java

@@ -69,7 +69,6 @@
 import io.quarkus.runtime.configuration.ConfigurationException;
 import io.quarkus.runtime.configuration.HyphenateEnumConverter;
 import io.quarkus.runtime.configuration.NameIterator;
-import io.quarkus.runtime.configuration.ProfileManager;
 import io.quarkus.runtime.configuration.PropertiesUtil;
 import io.quarkus.runtime.configuration.QuarkusConfigFactory;
 import io.quarkus.runtime.configuration.RuntimeConfigSource;
@@ -210,9 +209,6 @@ public final class RunTimeConfigurationGenerator {
     static final MethodDescriptor OPT_IS_PRESENT = MethodDescriptor.ofMethod(Optional.class, "isPresent", boolean.class);
     static final MethodDescriptor OPT_OF = MethodDescriptor.ofMethod(Optional.class, "of", Optional.class, Object.class);
 
-    static final MethodDescriptor PM_SET_RUNTIME_DEFAULT_PROFILE = MethodDescriptor.ofMethod(ProfileManager.class,
-            "setRuntimeDefaultProfile", void.class, String.class);
-
     static final MethodDescriptor SB_NEW = MethodDescriptor.ofConstructor(StringBuilder.class);
     static final MethodDescriptor SB_NEW_STR = MethodDescriptor.ofConstructor(StringBuilder.class, String.class);
     static final MethodDescriptor SB_APPEND_STRING = MethodDescriptor.ofMethod(StringBuilder.class, "append",
@@ -365,7 +361,6 @@ public static final class GenerateOperation implements AutoCloseable {
             cc.getFieldCreator(C_UNKNOWN_RUNTIME).setModifiers(Opcodes.ACC_STATIC | Opcodes.ACC_FINAL);
             clinit.writeStaticField(C_UNKNOWN_RUNTIME, clinit.newInstance(AL_NEW));
 
-            clinit.invokeStaticMethod(PM_SET_RUNTIME_DEFAULT_PROFILE, clinit.load(ProfileManager.getActiveProfile()));
             clinitNameBuilder = clinit.newInstance(SB_NEW);
 
             // static field containing the instance of the class - is set when createBootstrapConfig is run

core/deployment/src/main/java/io/quarkus/deployment/steps/ProfileBuildStep.java

@@ -1,23 +1,15 @@
 package io.quarkus.deployment.steps;
 
+import org.eclipse.microprofile.config.ConfigProvider;
+
 import io.quarkus.deployment.annotations.BuildStep;
 import io.quarkus.deployment.builditem.LaunchModeBuildItem;
 import io.quarkus.deployment.builditem.RunTimeConfigurationDefaultBuildItem;
-import io.quarkus.runtime.LaunchMode;
 
 public class ProfileBuildStep {
     @BuildStep
     RunTimeConfigurationDefaultBuildItem defaultProfile(LaunchModeBuildItem launchModeBuildItem) {
-        return new RunTimeConfigurationDefaultBuildItem("quarkus.profile",
-                getProfileValue(launchModeBuildItem.getLaunchMode()));
-    }
-
-    private String getProfileValue(LaunchMode launchMode) {
-        if (launchMode == LaunchMode.DEVELOPMENT) {
-            return "dev";
-        } else if (launchMode == LaunchMode.TEST) {
-            return "test";
-        }
-        return "prod";
+        return new RunTimeConfigurationDefaultBuildItem(launchModeBuildItem.getLaunchMode().getProfileKey(),
+                ConfigProvider.getConfig().getConfigValue(launchModeBuildItem.getLaunchMode().getProfileKey()).getValue());
     }
 }

core/runtime/src/main/java/io/quarkus/runtime/ApplicationLifecycleManager.java

@@ -25,8 +25,8 @@
 
 import io.quarkus.bootstrap.logging.InitialConfigurator;
 import io.quarkus.bootstrap.runner.RunnerClassLoader;
+import io.quarkus.runtime.configuration.ConfigUtils;
 import io.quarkus.runtime.configuration.ConfigurationException;
-import io.quarkus.runtime.configuration.ProfileManager;
 import io.quarkus.runtime.graal.DiagnosticPrinter;
 import sun.misc.Signal;
 import sun.misc.SignalHandler;
@@ -192,8 +192,9 @@ public static void run(Application application, Class<? extends QuarkusApplicati
                 } else if (rootCause instanceof ConfigurationException) {
                     System.err.println(rootCause.getMessage());
                 } else {
+                    // If it is not a ConfigurationException it should be safe to call ConfigProvider.getConfig here
                     applicationLogger.errorv(rootCause, "Failed to start application (with profile {0})",
-                            ProfileManager.getActiveProfile());
+                            ConfigUtils.getProfiles());
                     ensureConsoleLogsDrained();
                 }
             }

core/runtime/src/main/java/io/quarkus/runtime/ConfigConfig.java

@@ -11,18 +11,17 @@
 /**
  * We don't really use this, because these are configurations for the config itself, so it causes a chicken / egg
  * problem, but we have it so the configurations can be properly documented.
- *
+ * <br>
  * Relocation of the Config configurations to the Quarkus namespace is done in
  * {@link io.quarkus.runtime.configuration.ConfigUtils#configBuilder}.
  */
 @ConfigRoot(name = ConfigItem.PARENT, phase = ConfigPhase.RUN_TIME)
 public class ConfigConfig {
     /**
-     * Additional config locations to be loaded with the Config. The configuration support multiple locations
-     * separated by a comma and each must represent a valid {@link java.net.URI}.
+     * Profile that will be active when Quarkus launches.
      */
-    @ConfigItem(name = "config.locations")
-    public Optional<List<URI>> locations;
+    @ConfigItem(name = "profile", defaultValue = "prod")
+    public Optional<String> profile;
 
     /**
      * Accepts a single configuration profile name. If a configuration property cannot be found in the current active
@@ -31,10 +30,17 @@ public class ConfigConfig {
     @ConfigItem(name = "config.profile.parent")
     public Optional<String> profileParent;
 
+    /**
+     * Additional config locations to be loaded with the Config. The configuration support multiple locations
+     * separated by a comma and each must represent a valid {@link java.net.URI}.
+     */
+    @ConfigItem(name = "config.locations")
+    public Optional<List<URI>> locations;
+
     /**
      * A property that allows accessing a generated UUID.
      * It generates that UUID at startup time. So it changes between two starts including in dev mode.
-     *
+     * <br>
      * Access this generated UUID using expressions: `${quarkus.uuid}`.
      */
     @ConfigItem(name = "uuid")

core/runtime/src/main/java/io/quarkus/runtime/LaunchMode.java

@@ -8,15 +8,15 @@ public enum LaunchMode {
      * A normal production build. At the moment this can be both native image or
      * JVM mode, but eventually these will likely be split
      */
-    NORMAL("prod"),
+    NORMAL("prod", "quarkus.profile"),
     /**
      * quarkus:dev or an IDE launch (when we support IDE launch)
      */
-    DEVELOPMENT("dev"),
+    DEVELOPMENT("dev", "quarkus.profile"),
     /**
      * a test run
      */
-    TEST("test");
+    TEST("test", "quarkus.test.profile");
 
     public boolean isDevOrTest() {
         return this != NORMAL;
@@ -30,15 +30,21 @@ public static boolean isRemoteDev() {
     }
 
     private final String defaultProfile;
+    private final String profileKey;
 
-    LaunchMode(String defaultProfile) {
+    LaunchMode(final String defaultProfile, final String profileKey) {
         this.defaultProfile = defaultProfile;
+        this.profileKey = profileKey;
     }
 
     public String getDefaultProfile() {
         return defaultProfile;
     }
 
+    public String getProfileKey() {
+        return profileKey;
+    }
+
     /**
      *
      * @return The current launch mode

core/runtime/src/main/java/io/quarkus/runtime/configuration/ConfigUtils.java

@@ -134,7 +134,20 @@ public static SmallRyeConfigBuilder configBuilder(final boolean runTime, final b
 
     public static SmallRyeConfigBuilder emptyConfigBuilder() {
         SmallRyeConfigBuilder builder = new SmallRyeConfigBuilder();
-        builder.withDefaultValue(SMALLRYE_CONFIG_PROFILE, ProfileManager.getActiveProfile());
+        LaunchMode launchMode = ProfileManager.getLaunchMode();
+        builder.withDefaultValue(launchMode.getProfileKey(), launchMode.getDefaultProfile());
+
+        builder.withInterceptorFactories(new ConfigSourceInterceptorFactory() {
+            @Override
+            public ConfigSourceInterceptor getInterceptor(final ConfigSourceInterceptorContext context) {
+                return new RelocateConfigSourceInterceptor(Map.of(SMALLRYE_CONFIG_PROFILE, launchMode.getProfileKey()));
+            }
+
+            @Override
+            public OptionalInt getPriority() {
+                return OptionalInt.of(Priorities.LIBRARY + 200 - 10);
+            }
+        });
 
         builder.withInterceptorFactories(new ConfigSourceInterceptorFactory() {
             @Override
@@ -178,6 +191,7 @@ public OptionalInt getPriority() {
             @Override
             public ConfigSourceInterceptor getInterceptor(final ConfigSourceInterceptorContext context) {
                 Map<String, String> fallbacks = new HashMap<>();
+                fallbacks.put("quarkus.profile", SMALLRYE_CONFIG_PROFILE);
                 fallbacks.put("quarkus.config.locations", SMALLRYE_CONFIG_LOCATIONS);
                 fallbacks.put("quarkus.config.profile.parent", SMALLRYE_CONFIG_PROFILE_PARENT);
                 return new FallbackConfigSourceInterceptor(fallbacks);
@@ -269,6 +283,14 @@ public static void addMapping(SmallRyeConfigBuilder builder, String mappingClass
         }
     }
 
+    public static List<String> getProfiles() {
+        return ConfigProvider.getConfig().unwrap(SmallRyeConfig.class).getProfiles();
+    }
+
+    public static boolean isProfileActive(final String profile) {
+        return getProfiles().contains(profile);
+    }
+
     /**
      * Checks if a property is present in the current Configuration.
      * <p>

core/runtime/src/main/java/io/quarkus/runtime/configuration/ProfileManager.java

@@ -40,6 +40,12 @@ public static void setRuntimeDefaultProfile(final String profile) {
     }
 
     //NOTE: changes made here must be replicated in BootstrapProfile
+
+    /**
+     * @deprecated This method is not suited to multiple profiles, because it returns a single string. Please use
+     *             {@link ConfigUtils#getProfiles()} instead, which returns a List of profiles.
+     */
+    @Deprecated
     public static String getActiveProfile() {
         if (launchMode == LaunchMode.TEST) {
             String profile = System.getProperty(QUARKUS_TEST_PROFILE_PROP);

core/runtime/src/main/java/io/quarkus/runtime/configuration/QuarkusConfigFactory.java

@@ -26,14 +26,7 @@ public SmallRyeConfig getConfigFor(final SmallRyeConfigProviderResolver configPr
             //TODO: this code path is only hit when start fails in dev mode very early in the process
             //the recovery code will fail without this as it cannot read any properties such as
             //the HTTP port or logging info
-            return configProviderResolver.getBuilder().forClassLoader(classLoader)
-                    .addDefaultSources()
-                    .addDefaultInterceptors()
-                    .addDiscoveredSources()
-                    .addDiscoveredConverters()
-                    .addDiscoveredInterceptors()
-                    .withProfile(ProfileManager.getActiveProfile())
-                    .build();
+            return ConfigUtils.emptyConfigBuilder().addDefaultSources().addDiscoveredSources().build();
         }
         return config;
     }