[AAI] Integrate Micrometer to identify slow APIs (Making aai_uri tag configurable)

Issue-ID: AAI-3367
Signed-off-by: Dimple Soni <dimple.soni@yoppworks.com>"
Change-Id: I7879c7e6a5ae9b3a3943f4accceede0c7ba2ade0

4 files changed, 14 insertions, 5 deletions

diff --git a/aai-resources/src/main/java/org/onap/aai/web/MicrometerConfiguration.java b/aai-resources/src/main/java/org/onap/aai/web/MicrometerConfiguration.java
index 0be4e0b..bbe94fc 100644
--- a/aai-resources/src/main/java/org/onap/aai/web/MicrometerConfiguration.java
+++ b/aai-resources/src/main/java/org/onap/aai/web/MicrometerConfiguration.java
@@ -21,6 +21,7 @@ package org.onap.aai.web;
 import io.micrometer.core.instrument.Tag;
 import io.micrometer.core.instrument.Tags;
 import io.micrometer.jersey2.server.JerseyTags;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import io.micrometer.jersey2.server.JerseyTagsProvider;
 import org.glassfish.jersey.server.ContainerResponse;
 import org.glassfish.jersey.server.monitoring.RequestEvent;
@@ -31,6 +32,9 @@ import org.springframework.context.annotation.Configuration;
  * Configuration Class to add customized tags to http metrics scraped in /actuator/prometheus endpoint
  */
 @Configuration
+@ConditionalOnProperty(
+        value="scrape.uri.metrics",
+        havingValue = "true")
 public class MicrometerConfiguration {
     private static final String TAG_AAI_URI = "aai_uri";
     private static final String NOT_AVAILABLE = "NOT AVAILABLE";
diff --git a/aai-resources/src/main/resources/application.properties b/aai-resources/src/main/resources/application.properties
index cd19be9..d80079d 100644
--- a/aai-resources/src/main/resources/application.properties
+++ b/aai-resources/src/main/resources/application.properties
@@ -95,12 +95,16 @@ schema.service.versions.override=false
 #To Expose the Prometheus scraping endpoint
 management.server.port=8448
 #To Enable Actuator Endpoint, you can override this to True in OOM charts
-management.endpoints.enabled-by-default=false
+management.endpoints.enabled-by-default=true
 #To Enable Actuator Endpoint, you can override this in OOM Charts
-#management.endpoints.web.exposure.include=info, health, prometheus
+management.endpoints.web.exposure.include=info, health, prometheus
 management.metrics.web.server.auto-time-requests=false
 management.metrics.tags.group_id=aai
-management.metrics.tags.app_id=${info.build.artifact}
+# management.metrics.tags.app_id=${info.build.artifact}
+# management.metrics.tags.aai_uri=${schema.uri.base.path}
+#It is not advisable to use labels to store dimensions with high cardinality. 
+#Enable this option only for debug purposes. For more information: https://github.com/micrometer-metrics/micrometer/issues/1584
+scrape.uri.metrics=false
 
 # Location of the cadi properties file should be specified here
 aaf.cadi.file=${server.local.startpath}/cadi.properties
diff --git a/aai-resources/src/test/java/org/onap/aai/rest/ConfigurationTest.java b/aai-resources/src/test/java/org/onap/aai/rest/ConfigurationTest.java
index 39f71fd..caaf91a 100644
--- a/aai-resources/src/test/java/org/onap/aai/rest/ConfigurationTest.java
+++ b/aai-resources/src/test/java/org/onap/aai/rest/ConfigurationTest.java
@@ -176,9 +176,9 @@ public class ConfigurationTest extends AbstractSpringRestTest {
         responseEntity = restTemplate.exchange(actuatorurl + "/actuator/prometheus", HttpMethod.GET, httpEntity, String.class);
         responseBody = (String) responseEntity.getBody();
         assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
-        assertTrue(responseBody.contains("app_id"));
         assertTrue(responseBody.contains("group_id"));
-
+        assertTrue(responseBody.contains("aai_uri"));
+       
         //Set Accept as MediaType.APPLICATION_JSON in order to get access of endpoint "/actuator/info" and "/actuator/health"
         headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
         httpEntity = new HttpEntity<String>(headers);
diff --git a/aai-resources/src/test/resources/application-test.properties b/aai-resources/src/test/resources/application-test.properties
index 8aee5e1..e228229 100644
--- a/aai-resources/src/test/resources/application-test.properties
+++ b/aai-resources/src/test/resources/application-test.properties
@@ -78,3 +78,4 @@ management.server.port=0
 management.endpoints.enabled-by-default=true
 management.endpoints.web.exposure.include=info, health, prometheus
 management.metrics.web.server.auto-time-requests=false
+scrape.uri.metrics=true