From abc9f0434c1b0ea6734468a4286862f2ad23fb4c Mon Sep 17 00:00:00 2001
From: Cian Hatton <cianhatton@gmail.com>
Date: Fri, 2 Sep 2022 15:11:44 +0100
Subject: [PATCH] wip

---
 roles/docker_s3_volume_restore/defaults/main.yml | 8 ++++++++
 roles/docker_s3_volume_restore/tasks/main.yml    | 8 ++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/roles/docker_s3_volume_restore/defaults/main.yml b/roles/docker_s3_volume_restore/defaults/main.yml
index 04e78e1..4700094 100644
--- a/roles/docker_s3_volume_restore/defaults/main.yml
+++ b/roles/docker_s3_volume_restore/defaults/main.yml
@@ -3,12 +3,20 @@
 
 # forces a revert to the volume.
 docker_s3_volume_restore_force: false
+# specify docker_s3_volume_restore_latest_s3_key true to automatically determine the latest
+# backup in the s3 backup. The format which is expected has the prefix of volume_name/volume_name_*
+# this is the format the the "docker_s3_backup" role updloads them with.
 docker_s3_volume_restore_latest_s3_key: false
 docker_s3_volume_restores: []
 #docker_volume_s3_restores:
 #  - volume_name: "linkding_data"
 #    s3_key: "linkding_data/linkding_data-2022-09-01T21:32:54Z.tar.gz"
 
+# dynamically find the latest linkding_data backup.
+# docker_s3_volume_restore_latest_s3_key: true
+#docker_volume_s3_restores:
+#  - volume_name: "linkding_data"
+
 docker_s3_volume_restore_aws_s3_region: "us-east-1"
 docker_s3_volume_restore_aws_s3_bucket: "backups"
 docker_s3_volume_restore_aws_s3_url: ""
diff --git a/roles/docker_s3_volume_restore/tasks/main.yml b/roles/docker_s3_volume_restore/tasks/main.yml
index bdb2a7c..9207e2d 100644
--- a/roles/docker_s3_volume_restore/tasks/main.yml
+++ b/roles/docker_s3_volume_restore/tasks/main.yml
@@ -32,27 +32,31 @@
   with_items: "{{ docker_volume_s3_restores }}"
 
 - debug: msg="{{ s3_list_output }}"
+  when: docker_s3_volume_restore_latest_s3_key
 
 - name: Extract s3 keys for container
+  when: docker_s3_volume_restore_latest_s3_key
   set_fact: container_s3_keys="{{ container_s3_keys | default([]) + [item.s3_keys | last] }}"
   with_items: "{{ s3_list_output.results }}"
 
 - debug: msg="{{ container_s3_keys }}"
+  when: docker_s3_volume_restore_latest_s3_key
 
 - set_fact: volume_names="{{ docker_volume_s3_restores | map(attribute='volume_name')  }}"
+  when: docker_s3_volume_restore_latest_s3_key
   # remove existing values so we can determine the s3 key automatically/
 - set_fact: docker_volume_s3_restores="{{ [] }}"
+  when: docker_s3_volume_restore_latest_s3_key
 
 - set_fact:
     docker_volume_s3_restores: "{{ docker_volume_s3_restores | default([]) + [ {'volume_name': item.0, 's3_key': item.1} ] }}"
+  when: docker_s3_volume_restore_latest_s3_key
   with_together:
     - "{{ volume_names }}"
     - "{{ container_s3_keys }}"
 
 - debug: msg="{{ docker_volume_s3_restores }}"
 
-
-
 - name: Create directories for /tmp file
   file:
     path: '/tmp/{{ item.s3_key | dirname }}'