Allow to change Keycloak start command and show its logs

(cherry picked from commit b3bc233)

extensions/oidc/deployment/src/main/java/io/quarkus/oidc/deployment/devservices/keycloak/DevServicesConfig.java

@@ -89,6 +89,20 @@ public class DevServicesConfig {
     @ConfigItem
     public Optional<String> javaOpts;
 
+    /**
+     * Show Keycloak log messages with a "Keycloak:" prefix.
+     */
+    @ConfigItem(defaultValue = "false")
+    public boolean showLogs;
+
+    /**
+     * Keycloak start command.
+     * Use this property to experiment with Keycloak start options, see {@link https://www.keycloak.org/server/all-config}.
+     * Note it will be ignored when loading legacy Keycloak WildFly images.
+     */
+    @ConfigItem
+    public Optional<String> startCommand;
+
     /**
      * The Keycloak realm name.
      * This property will be used to create the realm if the realm file pointed to by the 'realm-path' property does not exist,

extensions/oidc/deployment/src/main/java/io/quarkus/oidc/deployment/devservices/keycloak/KeycloakDevServicesProcessor.java

@@ -334,7 +334,9 @@ private RunningDevService startContainer(DockerStatusBuildItem dockerStatusBuild
                     capturedDevServicesConfiguration.realmPath,
                     capturedDevServicesConfiguration.serviceName,
                     capturedDevServicesConfiguration.shared,
-                    capturedDevServicesConfiguration.javaOpts);
+                    capturedDevServicesConfiguration.javaOpts,
+                    capturedDevServicesConfiguration.startCommand,
+                    capturedDevServicesConfiguration.showLogs);
 
             timeout.ifPresent(oidcContainer::withStartupTimeout);
             oidcContainer.start();
@@ -383,10 +385,12 @@ private static class QuarkusOidcContainer extends GenericContainer<QuarkusOidcCo
         private String hostName;
         private final boolean keycloakX;
         private RealmRepresentation realmRep;
+        private final Optional<String> startCommand;
+        private final boolean showLogs;
 
         public QuarkusOidcContainer(DockerImageName dockerImageName, OptionalInt fixedExposedPort, boolean useSharedNetwork,
                 Optional<String> realmPath, String containerLabelValue,
-                boolean sharedContainer, Optional<String> javaOpts) {
+                boolean sharedContainer, Optional<String> javaOpts, Optional<String> startCommand, boolean showLogs) {
             super(dockerImageName);
 
             this.useSharedNetwork = useSharedNetwork;
@@ -404,6 +408,8 @@ public QuarkusOidcContainer(DockerImageName dockerImageName, OptionalInt fixedEx
             }
 
             this.fixedExposedPort = fixedExposedPort;
+            this.startCommand = startCommand;
+            this.showLogs = showLogs;
         }
 
         @Override
@@ -436,7 +442,7 @@ protected void configure() {
             if (keycloakX) {
                 addEnv(KEYCLOAK_QUARKUS_ADMIN_PROP, KEYCLOAK_ADMIN_USER);
                 addEnv(KEYCLOAK_QUARKUS_ADMIN_PASSWORD_PROP, KEYCLOAK_ADMIN_PASSWORD);
-                withCommand(KEYCLOAK_QUARKUS_START_CMD
+                withCommand(startCommand.orElse(KEYCLOAK_QUARKUS_START_CMD)
                         + (useSharedNetwork ? " --hostname-port=" + fixedExposedPort.getAsInt() : ""));
             } else {
                 addEnv(KEYCLOAK_WILDFLY_USER_PROP, KEYCLOAK_ADMIN_USER);
@@ -469,6 +475,12 @@ protected void configure() {
                 addEnv(KEYCLOAK_WILDFLY_IMPORT_PROP, KEYCLOAK_DOCKER_REALM_PATH);
             }
 
+            if (showLogs) {
+                super.withLogConsumer(t -> {
+                    LOG.info("Keycloak: " + t.getUtf8String());
+                });
+            }
+
             LOG.infof("Using %s powered Keycloak distribution", keycloakX ? "Quarkus" : "WildFly");
             super.setWaitStrategy(Wait.forLogMessage(".*Keycloak.*started.*", 1));
         }