Make auth optional for prometheus metrics

Issue-ID: POLICY-4802
Change-Id: Ib0c3aa1b75812d48a26296ba5acc3ea01147f9b4
Signed-off-by: saul.gill <saul.gill@est.tech>

5 files changed, 128 insertions, 6 deletions

diff --git a/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/config/SecurityConfig.java b/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/config/SecurityConfig.java
index d38771d78..e8b28079b 100644
--- a/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/config/SecurityConfig.java
+++ b/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/config/SecurityConfig.java
@@ -20,6 +20,7 @@
 
 package org.onap.policy.clamp.acm.runtime.config;
 
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
@@ -30,20 +31,35 @@ import org.springframework.security.web.SecurityFilterChain;
  */
 @Configuration
 public class SecurityConfig {
+    @Value("${metrics.security.disabled}")
+    private boolean disableMetricsSecurity;
     /**
      * Return the configuration of how access to this module's REST end points is secured.
      *
      * @param http the HTTP security settings
      * @return the HTTP security settings
      */
+
     @Bean
     public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
-        http
-            .httpBasic()
-            .and()
-            .authorizeHttpRequests().anyRequest().authenticated()
-            .and()
-            .csrf().disable();
+        if (disableMetricsSecurity) {
+            http
+                    .httpBasic()
+                    .and()
+                    .authorizeHttpRequests(request ->
+                        request
+                                .antMatchers("/prometheus").permitAll()
+                                .anyRequest().authenticated())
+                    .csrf().disable();
+        } else {
+            http
+                    .httpBasic()
+                    .and()
+                    .authorizeHttpRequests().anyRequest().authenticated()
+                    .and()
+                    .csrf().disable();
+        }
+
         return http.build();
     }
 }
diff --git a/runtime-acm/src/main/resources/application.yaml b/runtime-acm/src/main/resources/application.yaml
index 8dd4b574a..6a0213720 100755
--- a/runtime-acm/src/main/resources/application.yaml
+++ b/runtime-acm/src/main/resources/application.yaml
@@ -29,6 +29,10 @@ spring:
         dialect: org.hibernate.dialect.MariaDB103Dialect
         format_sql: true
 
+metrics:
+  security:
+    disabled: false
+
 security:
   enable-csrf: false
 
diff --git a/runtime-acm/src/test/java/org/onap/policy/clamp/acm/runtime/main/rest/PrometheusNoAuthTest.java b/runtime-acm/src/test/java/org/onap/policy/clamp/acm/runtime/main/rest/PrometheusNoAuthTest.java
new file mode 100644
index 000000000..87b5549d7
--- /dev/null
+++ b/runtime-acm/src/test/java/org/onap/policy/clamp/acm/runtime/main/rest/PrometheusNoAuthTest.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 Nordix Foundation.
+ * ================================================================================
+ * 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
+ *
+ *      http://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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.acm.runtime.main.rest;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.core.Response;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.onap.policy.clamp.acm.runtime.util.rest.CommonRestController;
+import org.springframework.boot.test.autoconfigure.actuate.metrics.AutoConfigureMetrics;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+@AutoConfigureMetrics
+@ExtendWith(SpringExtension.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@ActiveProfiles({ "prometheus-noauth", "default" })
+public class PrometheusNoAuthTest extends CommonRestController {
+    private static final String PROMETHEUS_ENDPOINT = "prometheus";
+
+    @LocalServerPort
+    private int randomServerPort;
+
+    @BeforeEach
+    public void setUpPort() {
+        super.setHttpPrefix(randomServerPort);
+    }
+
+    @Test
+    void testGetPrometheusNoAuth() {
+        Invocation.Builder invocationBuilder = super.sendNoAuthActRequest(PROMETHEUS_ENDPOINT);
+        Response rawresp = invocationBuilder.buildGet().invoke();
+        assertEquals(Response.Status.OK.getStatusCode(), rawresp.getStatus());
+    }
+}
diff --git a/runtime-acm/src/test/resources/application-prometheus-noauth.yaml b/runtime-acm/src/test/resources/application-prometheus-noauth.yaml
new file mode 100644
index 000000000..25daf49fc
--- /dev/null
+++ b/runtime-acm/src/test/resources/application-prometheus-noauth.yaml
@@ -0,0 +1,40 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:testdb
+    driverClassName: org.h2.Driver
+    hikari:
+      maxLifetime: 1800000
+      maximumPoolSize: 3
+  jpa:
+    hibernate:
+      ddl-auto: create
+    properties:
+      hibernate:
+        dialect: org.hibernate.dialect.HSQLDialect
+
+metrics:
+  security:
+    disabled: true
+
+server:
+  servlet:
+    context-path: /onap/policy/clamp/acm
+
+runtime:
+  participantParameters:
+    updateParameters:
+      maxRetryCount: 3
+  topicParameterGroup:
+    topicSources:
+      -
+        topic: POLICY-ACRUNTIME-PARTICIPANT
+        servers:
+          - localhost
+        topicCommInfrastructure: dmaap
+        fetchTimeout: 15000
+    topicSinks:
+      -
+        topicCommInfrastructure: dmaap
+        servers:
+          - localhost
+        topic: POLICY-ACRUNTIME-PARTICIPANT
\ No newline at end of file
diff --git a/runtime-acm/src/test/resources/application-test.yaml b/runtime-acm/src/test/resources/application-test.yaml
index 2179cdf5e..e6fed2475 100644
--- a/runtime-acm/src/test/resources/application-test.yaml
+++ b/runtime-acm/src/test/resources/application-test.yaml
@@ -12,6 +12,10 @@ spring:
       hibernate:
         dialect: org.hibernate.dialect.HSQLDialect
 
+metrics:
+  security:
+    disabled: false
+
 server:
   servlet:
     context-path: /onap/policy/clamp/acm