Add indexes for vm_stats

Author: vishesh92

engine/schema/src/main/java/com/cloud/upgrade/DatabaseUpgradeChecker.java

@@ -33,6 +33,7 @@
 
 import javax.inject.Inject;
 
+import com.cloud.upgrade.dao.Upgrade41900to41910;
 import com.cloud.utils.FileUtil;
 import org.apache.cloudstack.utils.CloudStackVersion;
 import org.apache.commons.lang3.StringUtils;
@@ -224,6 +225,7 @@ public DatabaseUpgradeChecker() {
                 .next("4.17.2.0", new Upgrade41720to41800())
                 .next("4.18.0.0", new Upgrade41800to41810())
                 .next("4.18.1.0", new Upgrade41810to41900())
+                .next("4.19.0.0", new Upgrade41900to41910())
                 .build();
     }
 

engine/schema/src/main/java/com/cloud/upgrade/dao/Upgrade41900to41910.java

@@ -0,0 +1,91 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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.cloud.upgrade.dao;
+
+import com.cloud.upgrade.SystemVmTemplateRegistration;
+import com.cloud.utils.exception.CloudRuntimeException;
+import org.apache.log4j.Logger;
+
+import java.io.InputStream;
+import java.sql.Connection;
+
+public class Upgrade41900to41910 implements DbUpgrade, DbUpgradeSystemVmTemplate {
+    final static Logger LOG = Logger.getLogger(Upgrade41900to41910.class);
+    private SystemVmTemplateRegistration systemVmTemplateRegistration;
+
+    @Override
+    public String[] getUpgradableVersionRange() {
+        return new String[] {"4.19.0.0", "4.19.1.0"};
+    }
+
+    @Override
+    public String getUpgradedVersion() {
+        return "4.19.1.0";
+    }
+
+    @Override
+    public boolean supportsRollingUpgrade() {
+        return false;
+    }
+
+    @Override
+    public InputStream[] getPrepareScripts() {
+        final String scriptFile = "META-INF/db/schema-41900to41910.sql";
+        final InputStream script = Thread.currentThread().getContextClassLoader().getResourceAsStream(scriptFile);
+        if (script == null) {
+            throw new CloudRuntimeException("Unable to find " + scriptFile);
+        }
+
+        return new InputStream[] {script};
+    }
+
+    @Override
+    public void performDataMigration(Connection conn) {
+        addIndexes(conn);
+    }
+
+    @Override
+    public InputStream[] getCleanupScripts() {
+        final String scriptFile = "META-INF/db/schema-41900to41910-cleanup.sql";
+        final InputStream script = Thread.currentThread().getContextClassLoader().getResourceAsStream(scriptFile);
+        if (script == null) {
+            throw new CloudRuntimeException("Unable to find " + scriptFile);
+        }
+
+        return new InputStream[] {script};
+    }
+
+    private void initSystemVmTemplateRegistration() {
+        systemVmTemplateRegistration = new SystemVmTemplateRegistration("");
+    }
+
+    @Override
+    public void updateSystemVmTemplates(Connection conn) {
+        LOG.debug("Updating System Vm template IDs");
+        initSystemVmTemplateRegistration();
+        try {
+            systemVmTemplateRegistration.updateSystemVmTemplates(conn);
+        } catch (Exception e) {
+            throw new CloudRuntimeException("Failed to find / register SystemVM template(s)");
+        }
+    }
+
+    private void addIndexes(Connection conn) {
+        DbUpgradeUtils.addIndexIfNeeded(conn, "vm_stats", "vm_id", "timestamp");
+        DbUpgradeUtils.addIndexIfNeeded(conn, "vm_stats", "timestamp");
+    }
+}

engine/schema/src/main/resources/META-INF/db/schema-41900to41910-cleanup.sql

@@ -0,0 +1,20 @@
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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.
+
+--;
+-- Schema upgrade cleanup from 4.19.0.0 to 4.19.1.0
+--;

engine/schema/src/main/resources/META-INF/db/schema-41900to41910.sql

@@ -0,0 +1,20 @@
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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.
+
+--;
+-- Schema upgrade from 4.19.0.0 to 4.19.1.0
+--;