Small fixes on metrics

dmp-backend/core/src/main/java/eu/eudat/service/metrics/MetricsServiceImpl.java

@@ -3,24 +3,19 @@ package eu.eudat.service.metrics;
 import eu.eudat.commons.enums.*;
 import eu.eudat.commons.metrics.MetricLabels;
 import eu.eudat.commons.metrics.MetricNames;
-import eu.eudat.data.DmpEntity;
 import eu.eudat.data.TenantEntityManager;
-import eu.eudat.model.Dmp;
 import eu.eudat.query.*;
-import eu.eudat.service.keycloak.KeycloakService;
 import eu.eudat.service.keycloak.MyKeycloakAdminRestApi;
 import gr.cite.commons.web.keycloak.api.configuration.KeycloakClientProperties;
 import gr.cite.tools.data.query.QueryFactory;
-import gr.cite.tools.fieldset.BaseFieldSet;
+import gr.cite.tools.logging.LoggerService;
-import gr.cite.tools.fieldset.FieldSet;
 import io.micrometer.prometheus.PrometheusMeterRegistry;
 import io.prometheus.client.Gauge;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 
 import javax.management.InvalidApplicationException;
-import java.util.List;
 import java.util.Map;
-import java.util.UUID;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -39,12 +34,15 @@ public class MetricsServiceImpl implements MetricsService {
 
     private final KeycloakClientProperties _keycloakConfig;
 
+    private static final LoggerService logger = new LoggerService(LoggerFactory.getLogger(MetricsServiceImpl.class));
+
     public MetricsServiceImpl(
             PrometheusMeterRegistry registry,
             QueryFactory queryFactory,
             TenantEntityManager entityManager,
             MyKeycloakAdminRestApi keycloakAdminRestApi,
-            UpdateMetricsTaskProperties config, KeycloakClientProperties keycloakConfig) {
+            UpdateMetricsTaskProperties config,
+            KeycloakClientProperties keycloakConfig) {
         this.registry = registry;
         this.queryFactory = queryFactory;
         this.entityManager = entityManager;
@@ -106,13 +104,15 @@ public class MetricsServiceImpl implements MetricsService {
             this.setGaugeValue(gauges, MetricNames.NEXUS_PREFIX + MetricNames.DATASET_TEMPLATE, calculateFinalizedTemplates(true), MetricLabels.ACTIVE);
             this.setGaugeValue(gauges, MetricNames.NEXUS_PREFIX + MetricNames.DATASET_TEMPLATE, calculateUsedTemplates(true), MetricLabels.USED);
 
-            this.setGaugeValue(gauges, MetricNames.USERS, calculateActiveUsers(), MetricLabels.LOGGEDIN);
-            this.setGaugeValue(gauges, MetricNames.USERS, calculateAllUsers(), MetricLabels.TOTAL);
-
             this.setGaugeValue(gauges, MetricNames.LANGUAGES, calculateLanguages(), null);
 
             this.setGaugeValue(gauges, MetricNames.INSTALLATIONS, 1d, null);
             this.setGaugeValue(gauges, MetricNames.NEXUS_PREFIX + MetricNames.INSTALLATIONS, 1d, null);
+
+            this.setGaugeValue(gauges, MetricNames.USERS, calculateActiveUsers(), MetricLabels.LOGGEDIN);
+            this.setGaugeValue(gauges, MetricNames.USERS, calculateAllUsers(), MetricLabels.TOTAL);
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
         } finally {
             this.entityManager.enableTenantFilters();
         }
@@ -304,11 +304,18 @@ public class MetricsServiceImpl implements MetricsService {
     }
 
     private double calculateActiveUsers() {
-        return this.keycloakAdminRestApi.users().getUserSessionsCountByClientId(_keycloakConfig.getClientId());
+        double result = -1;
+        try {
+            result = this.keycloakAdminRestApi.users().getUserSessionsCountByClientId(_config.getUsersLoginClient());
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+        }
+        return result;
     }
 
     private double calculateAllUsers() {
-        return this.keycloakAdminRestApi.users().getAllUsersCount();
+        UserQuery userQuery = this.queryFactory.query(UserQuery.class).isActive(IsActive.Active);
+        return userQuery.count();
     }
 
     private double calculateLanguages() {

dmp-backend/core/src/main/java/eu/eudat/service/metrics/UpdateMetricsTaskProperties.java

@@ -15,6 +15,8 @@ public class UpdateMetricsTaskProperties {
 
 	private Instant nexusDate;
 
+    private String usersLoginClient;
+
     private ReferenceTypesProperties referenceTypes;
 
     public boolean getEnable() {
@@ -29,6 +31,10 @@ public class UpdateMetricsTaskProperties {
         return nexusDate;
     }
 
+    public String getUsersLoginClient() {
+        return usersLoginClient;
+    }
+
     public ReferenceTypesProperties getReferenceTypes() {
         return referenceTypes;
     }

dmp-backend/web/src/main/resources/config/metrics.yml

@@ -3,6 +3,7 @@ metrics:
     enable: true
     intervalSeconds: 600
     nexusDate: "2021-01-01T00:00:00.00Z"
+    usersLoginClient: ${IDP_APIKEY_CLIENT_ID:}
     referenceTypes:
       funderIds: []
       grantIds: []