created new extra submodule for the tool

commons/src/main/java/org/eclipse/kapua/commons/liquibase/KapuaLiquibaseClient.java

@@ -168,6 +168,18 @@ public void update() {
         }
     }
 
+    public void forceReleaseChangelogLock() {
+        LOG.info("Trying to release changelog lock...");
+        try (Connection connection = DriverManager.getConnection(jdbcUrl, username, password)) {
+            Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(new JdbcConnection(connection));
+            Liquibase liquibase = new Liquibase((String) null, new FileSystemResourceAccessor(), database);
+            liquibase.forceReleaseLocks();
+        } catch (LiquibaseException | SQLException e) {
+            LOG.error("Running release changelog lock... ERROR! Error: {}", e.getMessage(), e);
+            throw new RuntimeException(e); // TODO: throw an appropriate exception!
+        }
+    }
+
     protected static synchronized File loadChangelogs() throws IOException {
         String tmpDirectory = SystemUtils.getJavaIoTmpDir().getAbsolutePath();
 

extras/liquibaseUnlocker/pom.xml

@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (c) 2022 Eurotech and/or its affiliates and others
+
+    This program and the accompanying materials are made
+    available under the terms of the Eclipse Public License 2.0
+    which is available at https://www.eclipse.org/legal/epl-2.0/
+
+    SPDX-License-Identifier: EPL-2.0
+
+    Contributors:
+        Eurotech - initial API and implementation
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.eclipse.kapua</groupId>
+        <artifactId>kapua-extras</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>liquibaseUnlocker</artifactId>
+
+    <dependencies>
+        <!-- -->
+        <!-- Kapua -->
+        <dependency>
+            <groupId>org.eclipse.kapua</groupId>
+            <artifactId>kapua-commons</artifactId>
+        </dependency>
+
+        <!-- -->
+        <!-- External-->
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>commons-logging</groupId>
+            <artifactId>commons-logging</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>commons-configuration</groupId>
+            <artifactId>commons-configuration</artifactId>
+        </dependency>
+
+        <!-- -->
+        <!-- Logging -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <configuration>
+                    <filters>
+                        <filter>
+                            <artifact>*:*</artifact>
+                            <excludes>
+                                <exclude>META-INF/*.SF</exclude>
+                                <exclude>META-INF/*.DSA</exclude>
+                                <exclude>META-INF/*.RSA</exclude>
+                                <exclude>META-INF/maven/**</exclude>
+                                <exclude>META-INF/DEPENDENCIES</exclude>
+                                <exclude>bundle.properties</exclude>
+                                <exclude>about.*</exclude>
+                                <exclude>OSGI-OPT/**</exclude>
+                                <exclude>LICENSE</exclude>
+                            </excludes>
+                        </filter>
+                    </filters>
+                    <transformers>
+                        <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                            <mainClass>org.eclipse.kapua.extras.liquibaseUnlocker.Application</mainClass>
+                        </transformer>
+                        <transformer implementation="org.apache.maven.plugins.shade.resource.ApacheNoticeResourceTransformer">
+                            <addHeader>false</addHeader>
+                        </transformer>
+                        <transformer implementation="org.apache.maven.plugins.shade.resource.ApacheLicenseResourceTransformer"/>
+                    </transformers>
+                    <shadedArtifactAttached>true</shadedArtifactAttached>
+                    <shadedClassifierName>app</shadedClassifierName>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+    <!--    <properties>-->
+<!--        <maven.compiler.source>8</maven.compiler.source>-->
+<!--        <maven.compiler.target>8</maven.compiler.target>-->
+<!--        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>-->
+<!--    </properties>-->
+
+</project>

extras/pom.xml

@@ -27,6 +27,7 @@
         <module>foreignkeys</module>
         <module>es-migrator</module>
         <module>encryption-migrator</module>
+        <module>liquibaseUnlocker</module>
     </modules>
 
 </project>