feat: add gradle Helm dependency update task (#393)

Signed-off-by: Jeromy Cannon <jeromy@swirldslabs.com>

fullstack-examples/build.gradle.kts

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+import com.hedera.fullstack.gradle.plugin.HelmDependencyUpdateTask
 import com.hedera.fullstack.gradle.plugin.HelmInstallChartTask
 import com.hedera.fullstack.gradle.plugin.HelmReleaseExistsTask
 import com.hedera.fullstack.gradle.plugin.HelmTestChartTask
@@ -60,6 +61,10 @@ tasks.register<HelmReleaseExistsTask>("helmNginxExists") {
     release.set("nginx-release")
 }
 
+tasks.register<HelmDependencyUpdateTask>("helmDependencyUpdate") {
+    chartName.set("../charts/hedera-network")
+}
+
 tasks.register<HelmTestChartTask>("helmTestNginxChart") {
     namespace.set("nginx-ns")
     release.set("nginx-release")
@@ -76,5 +81,6 @@ tasks.check {
     dependsOn("helmNginxExists")
     dependsOn("helmTestNginxChart")
     dependsOn("helmUninstallNginxChart")
+    dependsOn("helmDependencyUpdate")
     dependsOn("helmUninstallNotAChart")
 }

fullstack-gradle-plugin/src/main/java/com/hedera/fullstack/gradle/plugin/HelmDependencyUpdateTask.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2023 Hedera Hashgraph, LLC
+ *
+ * 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.hedera.fullstack.gradle.plugin;
+
+import com.hedera.fullstack.helm.client.HelmClient;
+import com.hedera.fullstack.helm.client.HelmClientBuilder;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Objects;
+import org.gradle.api.DefaultTask;
+import org.gradle.api.provider.Property;
+import org.gradle.api.tasks.Input;
+import org.gradle.api.tasks.Optional;
+import org.gradle.api.tasks.TaskAction;
+import org.gradle.api.tasks.options.Option;
+
+public abstract class HelmDependencyUpdateTask extends DefaultTask {
+    @Input
+    @Option(option = "chartName", description = "The name of the chart to run the dependency update against")
+    public abstract Property<String> getChartName();
+
+    @Input
+    @Optional
+    @Option(option = "workingDirectory", description = "The working directory to run the dependency update from")
+    public abstract Property<String> getWorkingDirectory();
+
+    @TaskAction
+    void dependencyUpdate() {
+        HelmClientBuilder helmClientBuilder = HelmClient.builder();
+        try {
+            final String chartName = getChartName().getOrNull();
+            Objects.requireNonNull(chartName, "chartName must be set");
+            final String workingDirectory = getWorkingDirectory().getOrNull();
+            if (workingDirectory != null && !workingDirectory.isEmpty() && !workingDirectory.isBlank()) {
+                Path workingDirectoryPath = Paths.get(workingDirectory);
+                helmClientBuilder.workingDirectory(workingDirectoryPath);
+            }
+            HelmClient helmClient = helmClientBuilder.build();
+            helmClient.dependencyUpdate(chartName);
+        } catch (Exception e) {
+            this.getProject()
+                    .getLogger()
+                    .error(
+                            "HelmDependencyUpdateTask.dependencyUpdate() An ERROR occurred while running the dependency update: ",
+                            e);
+            throw e;
+        }
+    }
+}

fullstack-gradle-plugin/src/test/java/com/hedera/fullstack/gradle/plugin/HelmDependencyUpdateTaskTest.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2023 Hedera Hashgraph, LLC
+ *
+ * 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.hedera.fullstack.gradle.plugin;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import com.hedera.fullstack.helm.client.HelmConfigurationException;
+import java.io.File;
+import org.gradle.api.Project;
+import org.gradle.testfixtures.ProjectBuilder;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+public class HelmDependencyUpdateTaskTest {
+    private static final String CHART = "../charts/hedera-network";
+    private static Project project;
+
+    @BeforeAll
+    static void beforeAll() {
+        project = ProjectBuilder.builder().build();
+    }
+
+    @Test
+    @DisplayName("Test Helm Dependency Update Task")
+    void testDependencyUpdate() {
+        HelmDependencyUpdateTask helmDependencyUpdateTask = project.getTasks()
+                .create("helmDependencyUpdateTask", HelmDependencyUpdateTask.class, task -> {
+                    task.getChartName().set(CHART);
+                    task.getWorkingDirectory().set(new File(".").toPath().toString());
+                });
+        assertThat(helmDependencyUpdateTask.getChartName().get()).isEqualTo(CHART);
+        helmDependencyUpdateTask.dependencyUpdate();
+    }
+
+    @Test
+    @DisplayName("Test Helm Dependency Update Task with no chart name")
+    void testDependencyUpdateWithNoChartName() {
+        HelmDependencyUpdateTask helmDependencyUpdateTask = project.getTasks()
+                .create("helmDependencyUpdateNoChartTask", HelmDependencyUpdateTask.class, task -> {});
+        assertThat(helmDependencyUpdateTask.getChartName().getOrNull()).isNull();
+        NullPointerException e = assertThrows(NullPointerException.class, helmDependencyUpdateTask::dependencyUpdate);
+        assertThat(e.getMessage()).contains("chartName must be set");
+    }
+
+    @Test
+    @DisplayName("Test Helm Dependency Update Task with no bad working directory")
+    void testDependencyUpdateWithBadWorkingDirectory() {
+        HelmDependencyUpdateTask helmDependencyUpdateTask = project.getTasks()
+                .create("helmDependencyUpdateBadWorkingDirectoryTask", HelmDependencyUpdateTask.class, task -> {
+                    task.getChartName().set(CHART);
+                    task.getWorkingDirectory().set("xyz");
+                });
+        assertThat(helmDependencyUpdateTask.getChartName().get()).isEqualTo(CHART);
+        HelmConfigurationException e =
+                assertThrows(HelmConfigurationException.class, helmDependencyUpdateTask::dependencyUpdate);
+        assertThat(e.getMessage()).contains("No such file or directory");
+    }
+}