Add option to skip the update/reboot on pre-upgraded server

changelogs/fragments/option_to_skip_pre_upgrade_update_boot.yml

@@ -0,0 +1,2 @@
+minor_changes:
+- Add option to skip the initial update and reboot of the pre-upgraded server

roles/upgrade/README.md

@@ -24,6 +24,7 @@ Additionally a list of any non-Red Hat RPM packages that were installed on the s
 | async_timeout_maximum   | 7200                  | Variable used to set the asynchronous task timeout value (in seconds)
 | async_poll_interval     | 60                    | Variable used to set the asynchronous task polling internal value (in seconds)
 | check_leapp_analysis_results| true              | Allows for running remediation and going straight to upgrade without re-running analysis. |
+| pre_upgrade_update      | true                  | Boolean to decide if an update and reboot on the running pre-upgrade operating system will run. |
 | post_upgrade_update     | true                   | Boolean to decide if after the upgrade is performed a dnf update will run|
 | post_upgrade_unset_release| true                | Boolean used to control whether Leapp's RHSM release lock is unset.
 | post_upgrade_release    |                       | Optional string used to set a specific RHSM release lock after the Leapp upgrade, but before the final update pass.

roles/upgrade/defaults/main.yml

@@ -115,6 +115,7 @@ crypto_policy: DEFAULT
 
 # Whether or not to update from legacy grub to grub2 in post-upgrade steps from RHEL 6 -> 7.
 update_grub_to_grub_2: false
+pre_upgrade_update: true
 post_upgrade_update: true
 post_upgrade_unset_release: true
 post_upgrade_release: ""

roles/upgrade/tasks/leapp-upgrade.yml

@@ -29,6 +29,7 @@
 
 - name: leapp-upgrade | Include update-and-reboot.yml
   ansible.builtin.include_tasks: update-and-reboot.yml
+  when: pre_upgrade_update | bool
 
 - name: leapp-upgrade | Create /etc/leapp/files/leapp_upgrade_repositories.repo
   ansible.builtin.yum_repository: