Make js spi a separate plugin

build.gradle

@@ -73,6 +73,7 @@ opensearchplugin {
     name 'opensearch-job-scheduler'
     description 'OpenSearch Job Scheduler plugin'
     classname 'org.opensearch.jobscheduler.JobSchedulerPlugin'
+    extendedPlugins = ['opensearch-job-scheduler-spi']
 }
 
 configurations {
@@ -217,6 +218,24 @@ publishing {
                 name = "opensearch-job-scheduler"
                 description = "OpenSearch Job Scheduler plugin"
                 groupId = "org.opensearch.plugin"
+
+                // Add required license information
+                licenses {
+                    license {
+                        name = 'The Apache Software License, Version 2.0'
+                        url = 'http://www.apache.org/licenses/LICENSE-2.0.txt'
+                    }
+                }
+
+                // Add required developer information
+                developers {
+                    developer {
+                        name = 'OpenSearch'
+                        url = 'https://github.com/opensearch-project/job-scheduler'
+                    }
+                }
+
+                inceptionYear = '2021'
             }
         }
     }
@@ -240,7 +259,7 @@ repositories {
 }
 
 dependencies {
-    implementation project(path: ":${rootProject.name}-spi", configuration: 'shadow')
+    implementation project(path: ":${rootProject.name}-spi")
     implementation ("org.opensearch:opensearch-remote-metadata-sdk-ddb-client:${opensearch_build}")
     implementation "org.opensearch:opensearch-remote-metadata-sdk:${opensearch_build}"
     testImplementation group: 'org.mockito', name: 'mockito-core', version: "${versions.mockito}"

sample-extension-plugin/build.gradle

@@ -26,7 +26,7 @@ opensearchplugin {
     name 'opensearch-job-scheduler-sample-extension'
     description 'Sample plugin that extends OpenSearch Job Scheduler plugin'
     classname 'org.opensearch.jobscheduler.sampleextension.SampleExtensionPlugin'
-    extendedPlugins = ['opensearch-job-scheduler']
+    extendedPlugins = ['opensearch-job-scheduler-spi']
 }
 
 ext {
@@ -47,7 +47,7 @@ configurations {
 }
 
 dependencies {
-    compileOnly project(path: ":${rootProject.name}-spi", configuration: 'shadow')
+    compileOnly project(path: ":${rootProject.name}-spi")
     testImplementation('org.awaitility:awaitility:4.3.0') {
         exclude(group: 'org.hamcrest', module: 'hamcrest')
     }

spi/build.gradle

@@ -3,20 +3,24 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import com.github.jengelman.gradle.plugins.shadow.ShadowBasePlugin
-import org.opensearch.gradle.test.RestIntegTestTask
-
 plugins {
-    id 'com.gradleup.shadow'
     id 'jacoco'
     id 'maven-publish'
     id 'signing'
     id "org.gradle.test-retry" version "1.6.2"
 }
 
-apply plugin: 'opensearch.java'
+apply plugin: 'opensearch.opensearchplugin'
+apply plugin: 'opensearch.pluginzip'
 apply plugin: 'opensearch.testclusters'
 apply plugin: 'opensearch.java-agent'
+apply plugin: 'opensearch.rest-test'
+
+opensearchplugin {
+    name 'opensearch-job-scheduler-spi'
+    description 'OpenSearch Job Scheduler SPI Plugin'
+    classname 'org.opensearch.jobscheduler.spi.JobSchedulerSpiPlugin'
+}
 
 repositories {
     mavenLocal()
@@ -66,93 +70,49 @@ configurations.all {
     }
 }
 
-shadowJar {
-    relocate 'com.cronutils', 'org.opensearch.jobscheduler.repackage.com.cronutils'
-    relocate 'org.slf4j', 'org.opensearch.jobscheduler.repackage.org.slf4j' // dependency of cron-utils
-    archiveClassifier = null
-}
-
 test {
     retry {
         failOnPassedAfterRetry = false
         maxRetries = 5
     }
-    doFirst {
-        // reverse operation of https://github.com/elastic/elasticsearch/blob/7.6/buildSrc/src/main/groovy/org/elasticsearch/gradle/BuildPlugin.groovy#L736-L743
-        // to fix the classpath for unit tests
-        test.classpath -= project.files(project.tasks.named('shadowJar'))
-        test.classpath -= project.configurations.getByName(ShadowBasePlugin.CONFIGURATION_NAME)
-        test.classpath += project.extensions.getByType(SourceSetContainer).getByName(SourceSet.MAIN_SOURCE_SET_NAME).runtimeClasspath
-    }
     // add "-Dtests.security.manager=false" to VM options if you want to run integ tests in IntelliJ
     systemProperty 'tests.security.manager', 'true'
 }
 
-task integTest(type: RestIntegTestTask) {
-    description 'Run integ test with opensearch test framework'
-    group 'verification'
-    systemProperty 'tests.security.manager', 'true'
-}
-
-task sourcesJar(type: Jar) {
-    archiveClassifier.set 'sources'
-    from sourceSets.main.allJava
-}
-
-task javadocJar(type: Jar) {
-    archiveClassifier.set 'javadoc'
-    from javadoc.destinationDir
-    dependsOn javadoc
-}
-
 publishing {
-    repositories {
-        maven {
-            name = 'staging'
-            url = "${rootProject.buildDir}/local-staging-repo"
-        }
-        maven {
-            name = "Snapshots" //  optional target repository name
-            url = "https://central.sonatype.com/repository/maven-snapshots/"
-            credentials {
-                username System.getenv("SONATYPE_USERNAME")
-                password System.getenv("SONATYPE_PASSWORD")
-            }
-        }
-    }
     publications {
-        shadow(MavenPublication) { publication ->
-            project.shadow.component(publication)
-            artifact sourcesJar
-            artifact javadocJar
-
+        // Only keep the pluginZip publication
+        pluginZip(MavenPublication) { publication ->
             pom {
-              name = "OpenSearch Job Scheduler SPI"
-              packaging = "jar"
-              url = "https://github.com/opensearch-project/job-scheduler"
-              description = "OpenSearch Job Scheduler"
-              scm {
-                connection = "scm:[email protected]:opensearch-project/job-scheduler.git"
-                developerConnection = "scm:[email protected]:opensearch-project/job-scheduler.git"
-                url = "[email protected]:opensearch-project/job-scheduler.git"
-              }
-              licenses {
-                license {
-                  name = "The Apache License, Version 2.0"
-                  url = "http://www.apache.org/licenses/LICENSE-2.0.txt"
+                name = "opensearch-job-scheduler-spi"
+                description = "OpenSearch Job Scheduler SPI Plugin"
+                groupId = "org.opensearch.plugin"
+
+                // Add required license information
+                licenses {
+                    license {
+                        name = 'The Apache Software License, Version 2.0'
+                        url = 'http://www.apache.org/licenses/LICENSE-2.0.txt'
+                    }
                 }
-              }
-              developers {
-                developer {
-                  name = "OpenSearch"
-                  url = "https://github.com/opensearch-project/job-scheduler"
+
+                // Add required developer information
+                developers {
+                    developer {
+                        name = 'OpenSearch'
+                        url = 'https://github.com/opensearch-project/job-scheduler'
+                    }
                 }
-              }
+
+                inceptionYear = '2021'
             }
         }
     }
+}
 
-    // TODO - enabled debug logging for the time being, remove this eventually
-    gradle.startParameter.setShowStacktrace(ShowStacktrace.ALWAYS)
-    gradle.startParameter.setLogLevel(LogLevel.DEBUG)
+// Clean up conflicting publications
+afterEvaluate {
+    publishing.publications.removeAll { pub ->
+        pub.name in ['nebula', 'shadow']
+    }
 }

spi/src/main/java/org/opensearch/jobscheduler/spi/JobSchedulerSpiPlugin.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+package org.opensearch.jobscheduler.spi;
+
+import org.opensearch.plugins.Plugin;
+
+/**
+ * OpenSearch Job Scheduler SPI Plugin
+ * 
+ * This plugin provides the Service Provider Interface (SPI) for the OpenSearch Job Scheduler.
+ * It contains the interfaces and utilities needed for other plugins to extend the job scheduler functionality.
+ */
+public class JobSchedulerSpiPlugin extends Plugin {
+
+    /**
+     * Plugin constructor
+     */
+    public JobSchedulerSpiPlugin() {
+        // Plugin initialization
+    }
+
+    @Override
+    public String toString() {
+        return "JobSchedulerSpiPlugin";
+    }
+}