[fixes #1528] - AuthConfig only configured if IdentityManager is produced

extensions/elytron-security/deployment/src/main/java/io/quarkus/elytron/security/deployment/SecurityDeploymentProcessor.java

@@ -251,14 +251,30 @@ void addIdentityManager(SecurityTemplate template, BuildProducer<ServletExtensio
         // Create the configured identity manager
         IdentityManagerBuildItem identityManager = identityManagers.get(0);
         // Collect all of the authentication mechanisms and create a ServletExtension to register the Undertow identity manager
-        ArrayList<AuthConfig> allAuthConfigs = new ArrayList<>();
+        ServletExtension idmExt = template.configureUndertowIdentityManager(securityDomain.getSecurityDomain(),
+                identityManager.getIdentityManager());
+        extension.produce(new ServletExtensionBuildItem(idmExt));
+    }
+
+    /**
+     * Produces a {@code ServletExtension} to configure Undertow {@code AuthConfigBuildItem} produced during the build
+     *
+     * @param template - the runtime template class used to access runtime behaviors
+     * @param extension - the ServletExtensionBuildItem producer used to add the Undertow auth config
+     * @param authConfigs - the authentication method information that has been registered
+     */
+    @BuildStep
+    @Record(ExecutionTime.STATIC_INIT)
+    void addLoginConfig(SecurityTemplate template, List<AuthConfigBuildItem> authConfigs,
+            BuildProducer<ServletExtensionBuildItem> extension) {
+        List<AuthConfig> allAuthConfigs = new ArrayList<>();
+
         for (AuthConfigBuildItem authConfigExt : authConfigs) {
             AuthConfig ac = authConfigExt.getAuthConfig();
             allAuthConfigs.add(ac);
         }
-        ServletExtension idmExt = template.configureUndertowIdentityManager(securityDomain.getSecurityDomain(),
-                identityManager.getIdentityManager(), allAuthConfigs);
-        extension.produce(new ServletExtensionBuildItem(idmExt));
+
+        extension.produce(new ServletExtensionBuildItem(template.configureLoginConfig(allAuthConfigs)));
     }
 
     /**

extensions/elytron-security/runtime/src/main/java/io/quarkus/elytron/security/runtime/SecurityTemplate.java

@@ -266,24 +266,37 @@ public IdentityManager createIdentityManager(RuntimeValue<SecurityDomain> domain
      * @return - the ServletExtension instance to register
      */
     public ServletExtension configureUndertowIdentityManager(RuntimeValue<SecurityDomain> domain,
-            IdentityManager identityManager,
-            List<AuthConfig> authConfigs) {
+            IdentityManager identityManager) {
+        return new ServletExtension() {
+            @Override
+            public void handleDeployment(DeploymentInfo deploymentInfo, ServletContext servletContext) {
+                deploymentInfo.setIdentityManager(identityManager);
+            }
+        };
+    }
+
+    /**
+     * Called to create a {@linkplain ServletExtension} to associate the {@linkplain LoginConfig} with the
+     * deployment.
+     *
+     * @param authConfigs - the authenticaiton methods to register with the deployment {@linkplain LoginConfig}
+     * @return - the ServletExtension instance to register
+     */
+    public ServletExtension configureLoginConfig(List<AuthConfig> authConfigs) {
         return new ServletExtension() {
             @Override
             public void handleDeployment(DeploymentInfo deploymentInfo, ServletContext servletContext) {
                 if (authConfigs.size() > 0) {
                     AuthConfig first = authConfigs.get(0);
-                    log.debugf("configureUndertowIdentityManager, %s", authConfigs);
+                    log.debugf("configureLoginConfig, %s", authConfigs);
                     LoginConfig loginConfig = new LoginConfig(first.authMechanism, first.realmName);
                     for (int n = 1; n < authConfigs.size(); n++) {
                         AuthConfig ac = authConfigs.get(n);
                         loginConfig.addLastAuthMethod(ac.getAuthMechanism());
                     }
                     deploymentInfo.setLoginConfig(loginConfig);
                 }
-                deploymentInfo.setIdentityManager(identityManager);
             }
         };
     }
-
 }