Added role vars + groovy script to manage scheduled tasks

README.md

@@ -143,6 +143,16 @@ Delete the default blobstore from the nexus install initial default configuratio
 
 [Blobstores](https://books.sonatype.com/nexus-book/3.0/reference/admin.html#admin-repository-blobstores) to create. A blobstore path and a repository blobstore cannot be updated after initial creation (any update here will be ignored on re-provisionning).
 
+    nexus_scheduled_tasks: []
+    #  example task to compact blobstore :
+    #  - name: compact-blobstore
+    #    cron: '0 0 22 * * ?'
+    #    typeId: blobstore.compact
+    #    taskProperties:
+    #      blobstoreName: 'default' # all task attributes are stored as strings by nexus internally
+
+[Scheduled tasks](https://books.sonatype.com/nexus-book/reference3/admin.html#admin-system-tasks) to setup. `typeId` and task-specific `taskProperties` can be guessed either from the java type hierarchy of `org.sonatype.nexus.scheduling.TaskDescriptorSupport` or from peeking at the browser AJAX requests while manually configuring a task.
+
     nexus_repos_maven_proxy:
       - name: central
         remote_url: 'https://repo1.maven.org/maven2/'
@@ -257,6 +267,12 @@ The java and httpd requirements /can/ be fulfilled with the following galaxy rol
     nexus_blobstores:
       - name: company-artifacts
         path: /var/nexus/blobs/company-artifacts
+    nexus_scheduled_tasks:
+      - name: compact-blobstore
+        cron: '0 0 22 * * ?'
+        typeId: blobstore.compact
+        taskProperties:
+          blobstoreName: 'company-artifacts'
     nexus_repos_maven_proxy:
       - name: central
         remote_url: 'https://repo1.maven.org/maven2/'

defaults/main.yml

@@ -100,6 +100,14 @@ nexus_repos_maven_group:
       - central
       - jboss
 
+nexus_scheduled_tasks: []
+#  example task to compact blobstore :
+#  - name: compact-blobstore
+#    cron: '0 0 22 * * ?'
+#    typeId: blobstore.compact
+#    taskProperties:
+#      blobstoreName: 'default' # all task attributes are stored as strings by nexus internally
+
 _nexus_privilege_defaults:
   type: repository-view
   format: maven2

tasks/create_task_each.yml

@@ -0,0 +1,5 @@
+---
+- include: call_script.yml
+  vars:
+    script_name: create_task
+    args: "{{ item }}"

tasks/main.yml

@@ -71,3 +71,6 @@
         headerHtml: "{{ nexus_branding_header }}"
         footerEnabled: "{{ nexus_branding_footer != '' }}"
         headerEnabled: "{{ nexus_branding_header != '' }}"
+
+- include: create_task_each.yml
+  with_items: "{{ nexus_scheduled_tasks }}"

tasks/nexus_install.yml

@@ -147,4 +147,5 @@
     - create_blobstore
     - create_repo_maven_proxy
     - create_repo_maven_group
-    - create_repo_maven_hosted
+    - create_repo_maven_hosted
+    - create_task

templates/groovy/create_task.groovy

@@ -0,0 +1,26 @@
+import groovy.json.JsonSlurper
+import org.sonatype.nexus.scheduling.TaskConfiguration
+import org.sonatype.nexus.scheduling.TaskInfo
+import org.sonatype.nexus.scheduling.TaskScheduler
+import org.sonatype.nexus.scheduling.schedule.Schedule
+
+parsed_args = new JsonSlurper().parseText(args)
+
+TaskScheduler taskScheduler = container.lookup(TaskScheduler.class.getName())
+
+TaskInfo existingTask = taskScheduler.listsTasks().find { TaskInfo taskInfo ->
+    taskInfo.name == parsed_args.name
+}
+
+if (existingTask && !existingTask.remove()) {
+    throw new RuntimeException("Could not remove currently running task : " + parsed_args.name)
+}
+
+TaskConfiguration taskConfiguration = taskScheduler.createTaskConfigurationInstance(parsed_args.typeId)
+taskConfiguration.setName(parsed_args.name)
+
+parsed_args.taskProperties.each { key, value -> taskConfiguration.setString(key, value) }
+
+Schedule schedule = taskScheduler.scheduleFactory.cron(new Date(), parsed_args.cron)
+
+taskScheduler.scheduleTask(taskConfiguration, schedule)