Add WebSecurityConfig to Serving to disable for /metrics and /actuator endpoints

Author: mrzzy

serving/src/main/java/feast/serving/config/WebSecurityConfig.java

@@ -0,0 +1,51 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright 2018-2020 The Feast Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package feast.serving.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+/**
+ * WebSecurityConfig disables auto configuration of Spring HTTP Security and allows security methods
+ * to be overridden
+ */
+@Configuration
+@EnableWebSecurity
+public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
+
+  /**
+   * Allows for custom web security rules to be applied.
+   *
+   * @param http {@link HttpSecurity} for configuring web based security
+   * @throws Exception
+   */
+  @Override
+  protected void configure(HttpSecurity http) throws Exception {
+
+    // Bypasses security/authentication for the following paths
+    http.authorizeRequests()
+        .antMatchers("/actuator/**", "/metrics/**")
+        .permitAll()
+        .anyRequest()
+        .authenticated()
+        .and()
+        .csrf()
+        .disable();
+  }
+}