#81: Implement ToolCommandlet for Kubernetes

CHANGELOG.adoc

@@ -9,6 +9,7 @@ Release with new features and bugfixes:
 * https://github.com/devonfw/IDEasy/issues/589[#589]: Fix NLS Bundles for Linux and MacOS
 * https://github.com/devonfw/IDEasy/issues/637[#637]: Added option to disable updates
 * https://github.com/devonfw/IDEasy/issues/764[#764]: IDEasy not working properly in CMD
+* https://github.com/devonfw/IDEasy/issues/81[#81]: Implement Toolcommandlet for Kubernetes
 * https://github.com/devonfw/IDEasy/issues/754[#754]: Again messages break processable command output
 
 The full list of changes for this release can be found in https://github.com/devonfw/IDEasy/milestone/16?closed=1[milestone 2024.12.001].

cli/src/main/java/com/devonfw/tools/ide/commandlet/CommandletManagerImpl.java

@@ -26,6 +26,7 @@
 import com.devonfw.tools.ide.tool.jmc.Jmc;
 import com.devonfw.tools.ide.tool.kotlinc.Kotlinc;
 import com.devonfw.tools.ide.tool.kotlinc.KotlincNative;
+import com.devonfw.tools.ide.tool.kubectl.KubeCtl;
 import com.devonfw.tools.ide.tool.lazydocker.LazyDocker;
 import com.devonfw.tools.ide.tool.mvn.Mvn;
 import com.devonfw.tools.ide.tool.node.Node;
@@ -96,6 +97,7 @@ public CommandletManagerImpl(IdeContext context) {
     add(new Quarkus(context));
     add(new Kotlinc(context));
     add(new KotlincNative(context));
+    add(new KubeCtl(context));
     add(new Tomcat(context));
     add(new Vscode(context));
     add(new Azure(context));

cli/src/main/java/com/devonfw/tools/ide/tool/DelegatingToolCommandlet.java

@@ -0,0 +1,75 @@
+package com.devonfw.tools.ide.tool;
+
+import java.util.Set;
+
+import com.devonfw.tools.ide.common.Tag;
+import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.environment.EnvironmentVariablesFiles;
+import com.devonfw.tools.ide.process.EnvironmentContext;
+import com.devonfw.tools.ide.version.VersionIdentifier;
+
+/**
+ * {@link ToolCommandlet} that delegates to another ToolCommandlet.
+ */
+public abstract class DelegatingToolCommandlet<D extends ToolCommandlet> extends ToolCommandlet {
+
+  private Class<D> delegateClass;
+
+  /**
+   * The constructor.
+   *
+   * @param context the {@link IdeContext}.
+   * @param tool the {@link #getName() tool name}.
+   * @param tags the {@link #getTags() tags} classifying the tool. Should be created via {@link Set#of(Object) Set.of} method.
+   * @param delegateClass the {@link ToolCommandlet}.
+   */
+  public DelegatingToolCommandlet(IdeContext context, String tool, Set<Tag> tags, Class<D> delegateClass) {
+
+    super(context, tool, tags);
+    this.delegateClass = delegateClass;
+  }
+
+  private D getDelegate() {
+    return getCommandlet(this.delegateClass);
+  }
+
+  @Override
+  public final boolean install(boolean silent, EnvironmentContext environmentContext) {
+    return getDelegate().install(silent, environmentContext);
+  }
+
+  @Override
+  public VersionIdentifier getInstalledVersion() {
+    return getDelegate().getInstalledVersion();
+  }
+
+  @Override
+  public String getInstalledEdition() {
+    return getDelegate().getInstalledEdition();
+  }
+
+  @Override
+  public void uninstall() {
+    getDelegate().uninstall();
+  }
+
+  @Override
+  public void listEditions() {
+    getDelegate().listEditions();
+  }
+
+  @Override
+  public void listVersions() {
+    getDelegate().listVersions();
+  }
+
+  @Override
+  public void setVersion(VersionIdentifier version, boolean hint, EnvironmentVariablesFiles destination) {
+    getDelegate().setVersion(version, hint, destination);
+  }
+
+  @Override
+  public void setEdition(String edition, boolean hint, EnvironmentVariablesFiles destination) {
+    getDelegate().setEdition(edition, hint, destination);
+  }
+}

cli/src/main/java/com/devonfw/tools/ide/tool/kubectl/KubeCtl.java

@@ -0,0 +1,25 @@
+package com.devonfw.tools.ide.tool.kubectl;
+
+import java.util.Set;
+
+import com.devonfw.tools.ide.common.Tag;
+import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.tool.DelegatingToolCommandlet;
+import com.devonfw.tools.ide.tool.docker.Docker;
+
+/**
+ * {@link DelegatingToolCommandlet} for <a href="https://kubernetes.io/de/docs/tasks/tools/install-kubectl/">Kubectl</a>.
+ */
+public class KubeCtl extends DelegatingToolCommandlet {
+
+
+  /**
+   * The constructor.
+   *
+   * @param context the {@link IdeContext}.
+   */
+  public KubeCtl(IdeContext context) {
+
+    super(context, "kubectl", Set.of(Tag.KUBERNETES), Docker.class);
+  }
+}

cli/src/main/resources/nls/Help.properties

@@ -62,6 +62,8 @@ cmd.kotlinc=Tool commandlet for Kotlin (compiler for JRE language).
 cmd.kotlinc.detail=Kotlin Compiler (kotlinc) is the command-line tool for compiling Kotlin code. Detailed documentation can be found at https://kotlinlang.org/docs/home.html
 cmd.kotlincnative=Tool commandlet for Kotlin-Native (compiler for JRE language).
 cmd.kotlincnative.detail=Kotlin/Native Compiler (kotlincnative) compiles Kotlin code to native executables. Detailed documentation can be found at https://kotlinlang.org/docs/reference/native-overview.html
+cmd.kubectl=Tool commandlet for kubernetes. Detailed documentation can be found at https://kubernetes.io/docs/home/
+cmd.kubectl.detail=The kubectl commandlet allows to install and use kubernetes. On Windows WSL 2 (Windows Subsystem for Linux) has to be installed properly as a prerequisite.
 cmd.lazydocker=Tool commandlet for LazyDocker.
 cmd.lazydocker.detail=Lazydocker is a simple terminal UI for both docker and docker-compose. Detailed documentation can be found at https://github.com/jesseduffield/lazydocker
 cmd.list-editions=List the available editions of the selected tool.

cli/src/main/resources/nls/Help_de.properties

@@ -62,6 +62,8 @@ cmd.kotlinc=Werkzeug Kommando für Kotlin (Compiler für JRE Sprache).
 cmd.kotlinc.detail=Der Kotlin-Compiler (kotlinc) ist das Befehlszeilentool zum Kompilieren von Kotlin-Code. Detaillierte Dokumentation ist zu finden unter https://kotlinlang.org/docs/home.html
 cmd.kotlincnative=Werkzeug Kommando für Kotlin-Native (Compiler für JRE Sprache).
 cmd.kotlincnative.detail=Der Kotlin/Native-Compiler (kotlincnative) kompiliert Kotlin-Code in native ausführbare Dateien. Detaillierte Dokumentation ist zu finden unter https://kotlinlang.org/docs/reference/native-overview.html
+cmd.kubectl=Werkzeug Kommando für Kubernetes. Detaillierte Dokumentation ist zu finden unter https://kubernetes.io/docs/home/
+cmd.kubectl.detail=Der Befehl kubectl ermöglicht die Installation und Nutzung von Kubernetes. Unter Windows muss WSL 2 (Windows Subsystem for Linux) ordnungsgemäß installiert sein.
 cmd.lazydocker=Werkzeug Kommando für LazyDocker.
 cmd.lazydocker.detail=Lazydocker ist ein einfaches Kommandozeilen-Benutzer-Interface für Docker und Docker-compose. Detaillierte Dokumentation ist zu finden unter https://github.com/jesseduffield/lazydocker
 cmd.list-editions=Listet die verfügbaren Editionen des selektierten Werkzeugs auf.