3. Add MetadataProfile database

migrations/kruize_local_ddl.sql

@@ -6,3 +6,4 @@ alter table kruize_lm_experiments  add column metadata_id bigint references krui
 alter table if exists kruize_lm_experiments add constraint UK_lm_experiment_name unique (experiment_name);
 create table IF NOT EXISTS kruize_metric_profiles (api_version varchar(255), kind varchar(255), metadata jsonb, name varchar(255) not null, k8s_type varchar(255), profile_version float(53) not null, slo jsonb, primary key (name));
 create table IF NOT EXISTS kruize_lm_recommendations (interval_end_time timestamp(6) not null, experiment_name varchar(255) not null, cluster_name varchar(255), extended_data jsonb, version varchar(255),experiment_type varchar(255), primary key (experiment_name, interval_end_time)) PARTITION BY RANGE (interval_end_time);
+create table IF NOT EXISTS kruize_lm_metadata_profiles (api_version varchar(255), kind varchar(255), metadata jsonb, name varchar(255) not null, k8s_type varchar(255), profile_version float(53) not null, query_variables jsonb, primary key (name));

src/main/java/com/autotune/database/dao/ExperimentDAO.java

@@ -6,6 +6,7 @@
 import com.autotune.common.data.ValidationOutputData;
 import com.autotune.database.table.*;
 import com.autotune.database.table.lm.KruizeLMExperimentEntry;
+import com.autotune.database.table.lm.KruizeLMMetadataProfileEntry;
 import com.autotune.database.table.lm.KruizeLMRecommendationEntry;
 
 import java.sql.Timestamp;
@@ -36,6 +37,9 @@ public interface ExperimentDAO {
     // Add Metric Profile  to DB
     public ValidationOutputData addMetricProfileToDB(KruizeMetricProfileEntry kruizeMetricProfileEntry);
 
+    // Add Metadata Profile  to DB
+    public ValidationOutputData addMetadataProfileToDB(KruizeLMMetadataProfileEntry kruizeMetadataProfileEntry);
+
     // Add DataSource to DB
     ValidationOutputData addDataSourceToDB(KruizeDataSourceEntry kruizeDataSourceEntry, ValidationOutputData validationOutputData);
 
@@ -65,6 +69,9 @@ public interface ExperimentDAO {
     // If Kruize restarts load all metric profiles
     List<KruizeMetricProfileEntry> loadAllMetricProfiles() throws Exception;
 
+    // If Kruize restarts load all metadata profiles
+    List<KruizeLMMetadataProfileEntry> loadAllMetadataProfiles() throws Exception;
+
     // Load a single experiment based on experimentName
     List<KruizeExperimentEntry> loadExperimentByName(String experimentName) throws Exception;
 
@@ -91,6 +98,9 @@ public interface ExperimentDAO {
     // Load a single Metric Profile based on name
     List<KruizeMetricProfileEntry> loadMetricProfileByName(String metricProfileName) throws Exception;
 
+    // Load a single Metadata Profile based on name
+    List<KruizeLMMetadataProfileEntry> loadMetadataProfileByName(String metadataProfileName) throws Exception;
+
     // Delete metric profile for the specified metric profile name
     public ValidationOutputData deleteKruizeMetricProfileEntryByName(String metricProfileName);
 

src/main/java/com/autotune/database/dao/ExperimentDAOImpl.java

@@ -25,6 +25,7 @@
 import com.autotune.database.init.KruizeHibernateUtil;
 import com.autotune.database.table.*;
 import com.autotune.database.table.lm.KruizeLMExperimentEntry;
+import com.autotune.database.table.lm.KruizeLMMetadataProfileEntry;
 import com.autotune.database.table.lm.KruizeLMRecommendationEntry;
 import com.autotune.utils.KruizeConstants;
 import com.autotune.utils.MetricsConfig;
@@ -522,6 +523,36 @@ public ValidationOutputData addMetricProfileToDB(KruizeMetricProfileEntry kruize
         return validationOutputData;
     }
 
+    /**
+     * Add MetadataProfile to database
+     *
+     * @param kruizeMetadataProfileEntry Metadata Profile Database object to be added
+     * @return validationOutputData contains the status of the DB insert operation
+     */
+    @Override
+    public ValidationOutputData addMetadataProfileToDB(KruizeLMMetadataProfileEntry kruizeMetadataProfileEntry) {
+        ValidationOutputData validationOutputData = new ValidationOutputData(false, null, null);
+        Transaction tx = null;
+        try (Session session = KruizeHibernateUtil.getSessionFactory().openSession()) {
+            try {
+                tx = session.beginTransaction();
+                session.persist(kruizeMetadataProfileEntry);
+                tx.commit();
+                validationOutputData.setSuccess(true);
+            } catch (HibernateException e) {
+                LOGGER.error("Not able to save metadata profile due to {}", e.getMessage());
+                if (tx != null) tx.rollback();
+                e.printStackTrace();
+                validationOutputData.setSuccess(false);
+                validationOutputData.setMessage(e.getMessage());
+            }
+        } catch (Exception e) {
+            LOGGER.error("Not able to save metadata profile source due to {}", e.getMessage());
+            validationOutputData.setMessage(e.getMessage());
+        }
+        return validationOutputData;
+    }
+
     /**
      * @param kruizeDataSourceEntry
      * @param validationOutputData
@@ -899,6 +930,26 @@ public List<KruizeMetricProfileEntry> loadAllMetricProfiles() throws Exception {
         return entries;
     }
 
+    /**
+     * Fetches all the Metadata Profile records from KruizeLMMetadataProfileEntry database table
+     *
+     * @return List of all KruizeLMMetadataProfileEntry database objects
+     * @throws Exception
+     */
+    @Override
+    public List<KruizeLMMetadataProfileEntry> loadAllMetadataProfiles() throws Exception {
+        String statusValue = "failure";
+
+        List<KruizeLMMetadataProfileEntry> entries = null;
+        try (Session session = KruizeHibernateUtil.getSessionFactory().openSession()) {
+            entries = session.createQuery(DBConstants.SQLQUERY.SELECT_FROM_METADATA_PROFILE, KruizeLMMetadataProfileEntry.class).list();
+        } catch (Exception e) {
+            LOGGER.error("Not able to load Metadata Profile  due to {}", e.getMessage());
+            throw new Exception("Error while loading existing Metadata Profile from database due to : " + e.getMessage());
+        }
+        return entries;
+    }
+
     @Override
     public List<KruizeLMExperimentEntry> loadLMExperimentByName(String experimentName) throws Exception {
         //todo load only experimentStatus=inprogress , playback may not require completed experiments
@@ -1209,6 +1260,27 @@ public List<KruizeMetricProfileEntry> loadMetricProfileByName(String metricProfi
         return entries;
     }
 
+    /**
+     * Fetches Metadata Profile by name from KruizeLMMetadataProfileEntry database table
+     *
+     * @param metadataProfileName Metadata profile name
+     * @return List of KruizeLMMetadataProfileEntry objects
+     * @throws Exception
+     */
+    public List<KruizeLMMetadataProfileEntry> loadMetadataProfileByName(String metadataProfileName) throws Exception {
+        String statusValue = "failure";
+        Timer.Sample timerLoadMetadataProfileName = Timer.start(MetricsConfig.meterRegistry());
+        List<KruizeLMMetadataProfileEntry> entries = null;
+        try (Session session = KruizeHibernateUtil.getSessionFactory().openSession()) {
+            entries = session.createQuery(DBConstants.SQLQUERY.SELECT_FROM_METADATA_PROFILE_BY_NAME, KruizeLMMetadataProfileEntry.class)
+                    .setParameter("name", metadataProfileName).list();
+        } catch (Exception e) {
+            LOGGER.error("Not able to load Metadata Profile {} due to {}", metadataProfileName, e.getMessage());
+            throw new Exception("Error while loading existing metadata profile from database due to : " + e.getMessage());
+        }
+        return entries;
+    }
+
     @Override
     public List<KruizeResultsEntry> getKruizeResultsEntry(String experiment_name, String cluster_name, Timestamp interval_start_time, Timestamp interval_end_time) throws Exception {
         List<KruizeResultsEntry> kruizeResultsEntryList = new ArrayList<>();

src/main/java/com/autotune/database/helper/DBConstants.java

@@ -68,6 +68,8 @@ public static final class SQLQUERY {
         public static final String SELECT_FROM_PERFORMANCE_PROFILE_BY_NAME = "from KruizePerformanceProfileEntry k WHERE k.name = :name";
         public static final String SELECT_FROM_METRIC_PROFILE = "from KruizeMetricProfileEntry";
         public static final String SELECT_FROM_METRIC_PROFILE_BY_NAME = "from KruizeMetricProfileEntry k WHERE k.name = :name";
+        public static final String SELECT_FROM_METADATA_PROFILE = "from KruizeLMMetadataProfileEntry";
+        public static final String SELECT_FROM_METADATA_PROFILE_BY_NAME = "from KruizeLMMetadataProfileEntry k WHERE k.name = :name";
         public static final String DELETE_FROM_EXPERIMENTS_BY_EXP_NAME = "DELETE FROM KruizeExperimentEntry k WHERE k.experiment_name = :experimentName";
         public static final String DELETE_FROM_RESULTS_BY_EXP_NAME = "DELETE FROM KruizeResultsEntry k WHERE k.experiment_name = :experimentName";
         public static final String DELETE_FROM_RECOMMENDATIONS_BY_EXP_NAME = "DELETE FROM KruizeRecommendationEntry k WHERE k.experiment_name = :experimentName";

src/main/java/com/autotune/database/init/KruizeHibernateUtil.java

@@ -18,6 +18,7 @@
 
 import com.autotune.database.table.*;
 import com.autotune.database.table.lm.KruizeLMExperimentEntry;
+import com.autotune.database.table.lm.KruizeLMMetadataProfileEntry;
 import com.autotune.database.table.lm.KruizeLMRecommendationEntry;
 import com.autotune.operator.KruizeDeploymentInfo;
 import org.hibernate.Session;
@@ -65,6 +66,7 @@ public static void buildSessionFactory() {
                 configuration.addAnnotatedClass(KruizeDSMetadataEntry.class);
                 configuration.addAnnotatedClass(KruizeMetricProfileEntry.class);
                 configuration.addAnnotatedClass(KruizeAuthenticationEntry.class);
+                configuration.addAnnotatedClass(KruizeLMMetadataProfileEntry.class);
             }
             LOGGER.info("DB is trying to connect to {}", connectionURL);
             sfTemp = configuration.buildSessionFactory();

src/main/java/com/autotune/database/table/lm/KruizeLMMetadataProfileEntry.java

@@ -0,0 +1,107 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, IBM Corporation and others.
+ *
+ * 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.
+ *******************************************************************************/
+package com.autotune.database.table.lm;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import jakarta.persistence.*;
+import org.hibernate.annotations.JdbcTypeCode;
+import org.hibernate.type.SqlTypes;
+
+/**
+ * This is a Java class named KruizeLMMetadataProfileEntry annotated with JPA annotations.
+ * It represents a table named kruize_lm_metadata_profiles in a relational database.
+ * <p>
+ * The class has the following fields:
+ * <p>
+ * id: A unique identifier for each metadata profile detail.
+ * apiVersion: A string representing version of the Kubernetes API to create this object
+ * kind: A string representing type of kubernetes object
+ * metadata: A JSON object containing the metadata of the CRD, including name field
+ * name: A string representing the name of the metadata profile.
+ * profile_version: A string representing the version of the metadata profile.
+ * k8s_type: A string representing kubernetes type.
+ * query_variables: A JSON object containing metadata queries
+ */
+@Entity
+@Table(name = "kruize_lm_metadata_profiles")
+public class KruizeLMMetadataProfileEntry {
+    private String api_version;
+    private String kind;
+    @JdbcTypeCode(SqlTypes.JSON)
+    private JsonNode metadata;
+    @Id
+    private String name;
+    private double profile_version;
+    private String k8s_type;
+    @JdbcTypeCode(SqlTypes.JSON)
+    private JsonNode query_variables;
+
+    public String getApi_version() {
+        return api_version;
+    }
+
+    public void setApi_version(String api_version) {
+        this.api_version = api_version;
+    }
+
+    public String getKind() {
+        return kind;
+    }
+
+    public void setKind(String kind) {
+        this.kind = kind;
+    }
+
+    public JsonNode getMetadata() {
+        return metadata;
+    }
+
+    public void setMetadata(JsonNode metadata) {
+        this.metadata = metadata;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getProfile_version() {
+        return profile_version;
+    }
+
+    public void setProfile_version(double profile_version) {
+        this.profile_version = profile_version;
+    }
+
+    public String getK8s_type() {
+        return k8s_type;
+    }
+
+    public void setK8s_type(String k8s_type) {
+        this.k8s_type = k8s_type;
+    }
+
+    public JsonNode getQuery_variables() {
+        return query_variables;
+    }
+
+    public void setQuery_variables(JsonNode query_variables) {
+        this.query_variables = query_variables;
+    }
+}