CAMEL-23858: camel-spring-boot - Configuring camel.main.profile should be supported (#1832)

Author: davsclaus

core/camel-spring-boot/src/main/docs/spring-boot.json

@@ -852,6 +852,12 @@
       "sourceType": "org.apache.camel.spring.boot.CamelConfigurationProperties$Main",
       "defaultValue": 1000
     },
+    {
+      "name": "camel.main.profile",
+      "type": "java.lang.String",
+      "description": "Camel profile to use when running. The dev profile is for development, which enables a set of additional developer focus functionality, tracing, debugging, and gathering additional runtime statistics that are useful during development. However, those additional features has a slight overhead cost, and are not enabled for production profile. The default profile is prod.",
+      "sourceType": "org.apache.camel.spring.boot.CamelConfigurationProperties$Main"
+    },
     {
       "name": "camel.main.route-filter-exclude-pattern",
       "type": "java.lang.String",

core/camel-spring-boot/src/main/java/org/apache/camel/spring/boot/CamelAutoConfiguration.java

@@ -37,6 +37,7 @@
 import org.apache.camel.main.DebuggerConfigurationProperties;
 import org.apache.camel.main.DefaultConfigurationConfigurer;
 import org.apache.camel.main.MainListener;
+import org.apache.camel.main.ProfileConfigurer;
 import org.apache.camel.main.RoutesCollector;
 import org.apache.camel.main.fatjar.FatJarPackageScanClassResolver;
 import org.apache.camel.main.fatjar.FatJarPackageScanResourceResolver;
@@ -216,6 +217,11 @@ public static CamelContext doConfigureCamelContext(ApplicationContext applicatio
                     config.getMain().getRouteFilterIncludePattern(), config.getMain().getRouteFilterExcludePattern());
         }
 
+        // configure profile (dev/prod) defaults before applying main configuration,
+        // so that profile defaults are set but user-explicit properties take precedence
+        Properties autoConfigured = doExtractCamelMainProperties(applicationContext);
+        ProfileConfigurer.configureCommon(camelContext, config.getMain().getProfile(), config.getMain(), autoConfigured);
+
         // configure the common/default options
         DefaultConfigurationConfigurer.configure(camelContext, config.getMain());
         // lookup and configure SPI beans
@@ -230,6 +236,27 @@ public static CamelContext doConfigureCamelContext(ApplicationContext applicatio
         return camelContext;
     }
 
+    /**
+     * Collect all camel.main.* property names that the user has explicitly configured
+     * so that ProfileConfigurer does not override them with profile defaults.
+     */
+    protected static Properties doExtractCamelMainProperties(ApplicationContext applicationContext) {
+        Properties answer = new Properties();
+        Environment env = applicationContext.getEnvironment();
+        if (env instanceof ConfigurableEnvironment cev) {
+            cev.getPropertySources().forEach(ps -> {
+                if (ps instanceof EnumerablePropertySource<?> eps) {
+                    for (String n : eps.getPropertyNames()) {
+                        if (n.startsWith("camel.main.")) {
+                            answer.put(n, cev.getProperty(n, ""));
+                        }
+                    }
+                }
+            });
+        }
+        return answer;
+    }
+
     protected static Map<String, String> doExtractVariablesFromSpringBoot(ConfigurableEnvironment env) {
         Map<String, String> answer = new LinkedHashMap<>();
 

core/camel-spring-boot/src/main/java/org/apache/camel/spring/boot/errorregistry/CamelErrorRegistryAutoConfiguration.java

@@ -33,6 +33,10 @@ public class CamelErrorRegistryAutoConfiguration {
 
     @Bean
     public ErrorRegistry errorRegistry(CamelContext camelContext, CamelErrorRegistryConfigurationProperties config) {
+        // dev profile enables error registry to capture routing errors for tooling (TUI)
+        if (!config.isEnabled() && "dev".equals(camelContext.getCamelContextExtension().getProfile())) {
+            config.setEnabled(true);
+        }
         if (!config.isEnabled()) {
             return null;
         }

core/camel-spring-boot/src/main/java/org/apache/camel/spring/boot/security/CamelSecurityPolicyAutoConfiguration.java

@@ -50,6 +50,14 @@ public class CamelSecurityPolicyAutoConfiguration {
     SecurityPolicyResult camelSecurityPolicyResult(CamelContext camelContext,
             CamelSecurityPolicyConfigurationProperties config, Environment environment) {
 
+        // apply profile-based security defaults
+        String profile = camelContext.getCamelContextExtension().getProfile();
+        if ("dev".equals(profile) && config.getInsecureDevPolicy() == null) {
+            config.setInsecureDevPolicy("allow");
+        } else if ("prod".equals(profile) && "warn".equals(config.getPolicy())) {
+            config.setPolicy("fail");
+        }
+
         SecurityConfigurationProperties securityConfig = applySecurityProperties(camelContext, config);
 
         Map<String, Object> camelProperties = extractCamelProperties(environment);

core/camel-spring-boot/src/main/java/org/apache/camel/spring/boot/trace/CamelTraceAutoConfiguration.java

@@ -32,6 +32,10 @@ public class CamelTraceAutoConfiguration {
     @Bean
     public BacklogTracer backlogTracer(CamelContext camelContext, CamelTraceConfigurationProperties config)
             throws Exception {
+        // dev profile enables tracer standby so tooling (TUI) can activate tracing on demand
+        if (!config.isStandby() && "dev".equals(camelContext.getCamelContextExtension().getProfile())) {
+            config.setStandby(true);
+        }
         if (!config.isEnabled() && !config.isStandby()) {
             return null;
         }