Added additional improvements to optimized restore

* Add SSH directory to list of restored items
* Removed /etc/profile.d/ from restored items, not needed
* Fixed permissions on service file
* Removed registry backup file hard requirement
* Removed registry backup file support from legacy restore
* Added support for restoring user images instead of registry backup
* Updated to using pigz for parts of extraction
* Added cleanup code for on restore complete
* Removed validate-input during backup, enabled both restore types

TEST PLAN
PASS: Bootstrap and unlock (SX, DX)
PASS: Original restore not impacted (SX, DX)
PASS: Original restore fails when "-e registry_backup_filename=backup.tgz" is used
PASS: Optimized restore is successful with
  "-e registry_backup_filename=backup.tgz"
PASS: Optimized restore is successful without registry backup

Story: 2010117
Task: 46783
Task: 46889
Change-Id: I43b39f93bb011c5e50b8aae5a5117eb15d9674d9

playbookconfig/src/playbooks/roles/optimized-restore/restore-data/tasks/restore-docker.yml

@@ -13,10 +13,23 @@
     state: stopped
   loop: "{{ docker_services }}"
 
-- name: Restore container registry filesystem
-  command: "tar -C / -xpf {{ registry_backup_fqpn }} --overwrite var/lib/docker-distribution/"
-  args:
-    warn: false
+- name: Old-style registry backup restore
+  block:
+
+    - name: Load images from archives if configured
+      include: roles/bootstrap/bringup-essential-services/tasks/load_images_from_archive.yml input_archive={{ item.path }}
+      with_items: "{{ images_archive_files }}"
+      when: images_archive_exists
+
+  when: registry_backup_fqpn is not defined
+
+- name: New-style registry backup restore
+  block:
+    - name: Restore image registry data to /var/lib/docker-distribution
+      shell: pigz -dc {{ registry_backup_fqpn }} | tar -C / --overwrite -xpf - var/lib/docker-distribution
+      args:
+        warn: false
+
   when: registry_backup_fqpn is defined
 
 - name: Disable local registry authentication

playbookconfig/src/playbooks/roles/optimized-restore/restore-data/tasks/restore-kubernetes.yml

@@ -60,7 +60,7 @@
   template:
     src: roles/optimized-restore/templates/containerd-pod-recovery.service.j2
     dest: /etc/systemd/system/containerd-pod-recovery.service
-    mode: 0755
+    mode: 0644
     owner: root
     group: root