add ecrypt field

roles/docker_s3_backup/defaults/main.yml

@@ -2,8 +2,8 @@
 # defaults file for chatton.docker_s3_backup
 
 # the number of backups of the same volume which should be kept.
-# Any excess will be deleted.
-docker_backup_retain_count: 3
+# Any excess will be deleted. If undefined, no backups will be deleted.
+# docker_backup_retain_count: 3
 # the backup directory where backups are stored on the host machine.
 # these will be uploaded to S3.
 docker_backup_aws_s3_region: "us-east-1"
@@ -13,3 +13,4 @@ docker_backup_aws_s3_url: ""
 docker_backup_aws_s3_aws_access_key: ""
 docker_backup_aws_s3_aws_secret_key: ""
 docker_backup_aws_s3_permissions: []
+docker_backup_aws_s3_encrypt: true

roles/docker_s3_backup/tasks/main.yml

@@ -53,9 +53,11 @@
     aws_secret_key: "{{ docker_backup_aws_s3_aws_secret_key }}"
     region: "{{ docker_backup_aws_s3_region }}"
     mode: put
+    encrypt: "{{ docker_backup_aws_s3_encrypt }}"
     permission: "{{ docker_backup_aws_s3_permissions }}"
   with_items: "{{ volume_mounts }}"
 
+
 # try and find latest volume based on the name.
 - name: Fetch Volumes From S3.
   amazon.aws.aws_s3:
@@ -70,10 +72,12 @@
   with_items: "{{ volume_mounts }}"
 
 - name: Find keys to delete.
+  when: docker_backup_retain_count is defined
   ansible.builtin.set_fact:
     s3_keys_to_delete: "{{ s3_list_outputs.results | map(attribute='s3_keys') | keep_last(docker_backup_retain_count) | flatten }}"
 
 - name: Delete old backups.
+  when: docker_backup_retain_count is defined
   amazon.aws.aws_s3:
     bucket: "{{ docker_backup_aws_s3_bucket }}"
     aws_access_key: "{{ docker_backup_aws_s3_aws_access_key }}"

tests/host_vars/localhost.yml

@@ -1,23 +1,25 @@
 $ANSIBLE_VAULT;1.1;AES256
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