Add basic metrics

Author: a-moseman

build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'org.amoseman'
-version = '3.3.1'
+version = '3.3.2'
 
 repositories {
     mavenCentral()

src/main/java/org/amoseman/cmdb/application/ConfigurationManagementDatabase.java

@@ -1,5 +1,8 @@
 package org.amoseman.cmdb.application;
 
+import com.codahale.metrics.ConsoleReporter;
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.MetricRegistry;
 import io.dropwizard.auth.AuthDynamicFeature;
 import io.dropwizard.auth.AuthValueFactoryProvider;
 import io.dropwizard.auth.basic.BasicCredentialAuthFilter;
@@ -23,6 +26,8 @@
 import org.amoseman.cmdb.databaseclient.databaseclients.MongoDatabaseClient;
 import org.amoseman.cmdb.databaseclient.databaseclients.RedisDatabaseClient;
 
+import java.util.concurrent.TimeUnit;
+
 /**
  * The configuration management database (CMDB) application.
  */
@@ -60,11 +65,17 @@ public void run(ApplicationConfiguration configuration, Environment environment)
             default -> throw new RuntimeException("Invalid database type");
         };
 
+        MetricRegistry metrics = new MetricRegistry();
+        ConsoleReporter reporter = ConsoleReporter.forRegistry(metrics)
+                .convertRatesTo(TimeUnit.SECONDS)
+                .convertDurationsTo(TimeUnit.MILLISECONDS)
+                .build();
+        reporter.start(60, TimeUnit.SECONDS);
 
-        ConfigurationResource configurationResource = new ConfigurationResource(configurationDAO, configuration.getDefaultValue());
+        ConfigurationResource configurationResource = new ConfigurationResource(configurationDAO, configuration.getDefaultValue(), metrics);
         environment.jersey().register(configurationResource);
 
-        AccountResource accountResource = new AccountResource(accountDAO);
+        AccountResource accountResource = new AccountResource(accountDAO, metrics);
         environment.jersey().register(accountResource);
 
         // security

src/main/java/org/amoseman/cmdb/application/resources/AccountResource.java

@@ -1,6 +1,8 @@
 package org.amoseman.cmdb.application.resources;
 
 
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.MetricRegistry;
 import com.codahale.metrics.annotation.Timed;
 import io.dropwizard.auth.Auth;
 import jakarta.ws.rs.*;
@@ -15,9 +17,14 @@
 @Produces(MediaType.APPLICATION_JSON)
 public class AccountResource {
     private final AccountDAO accountDAO;
+    private final Meter addAccountMeter;
+    private final Meter removeAccountMeter;
 
-    public AccountResource(AccountDAO accountDAO) {
+    public AccountResource(AccountDAO accountDAO, MetricRegistry metrics) {
         this.accountDAO = accountDAO;
+        this.addAccountMeter = metrics.meter("add-account");
+        this.removeAccountMeter = metrics.meter("remove-account");
+
     }
 
     /**
@@ -28,6 +35,7 @@ public AccountResource(AccountDAO accountDAO) {
     @POST
     @Timed
     public boolean addAccount(@QueryParam("account") String account, @QueryParam("password") String password) {
+        addAccountMeter.mark();
         return accountDAO.addAccount(account, password);
     }
 
@@ -38,6 +46,7 @@ public boolean addAccount(@QueryParam("account") String account, @QueryParam("pa
     @DELETE
     @Timed
     public boolean removeAccount(@Auth User user) {
+        removeAccountMeter.mark();
         return accountDAO.deleteAccount(user.getName());
     }
 }

src/main/java/org/amoseman/cmdb/application/resources/ConfigurationResource.java

@@ -1,5 +1,7 @@
 package org.amoseman.cmdb.application.resources;
 
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.MetricRegistry;
 import com.codahale.metrics.annotation.Timed;
 import io.dropwizard.auth.Auth;
 import jakarta.annotation.security.PermitAll;
@@ -18,15 +20,23 @@
 public class ConfigurationResource {
     private final ConfigurationDAO configurationDAO;
     private final ConfigurationValue defaultValue;
+    private final Meter readConfigurationMeter;
+    private final Meter createConfigurationMeter;
+    private final Meter updateConfigurationMeter;
+    private final Meter deleteConfigurationMeter;
 
     /**
      * Instantiate a ConfigurationResource.
      * @param configurationDAO ConfigurationDatabaseAccess The database access object for configurations.
      * @param defaultValue String The default return value for configuration values.
      */
-    public ConfigurationResource(ConfigurationDAO configurationDAO, String defaultValue) {
+    public ConfigurationResource(ConfigurationDAO configurationDAO, String defaultValue, MetricRegistry metrics) {
         this.configurationDAO = configurationDAO;
         this.defaultValue = new ConfigurationValue(defaultValue, defaultValue, defaultValue);
+        this.readConfigurationMeter = metrics.meter("read-configuration");
+        this.createConfigurationMeter = metrics.meter("create-configuration");
+        this.updateConfigurationMeter = metrics.meter("update-configuration");
+        this.deleteConfigurationMeter = metrics.meter("delete-configuration");
     }
 
     /**