Implemented deletion of not fully pulled backups

roles/server_native-backups-consumer/templates/pull-remote-backups.service.j2

@@ -0,0 +1,7 @@
+[Unit]
+Description=pull remote backups
+OnFailure=systemd-email@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/bash {{docker_pull_primary_backups_folder}}pull-remote-backups.sh

roles/server_native-backups-consumer/templates/pull-remote-backups.sh.j2

@@ -0,0 +1,8 @@
+#!/bin/bash
+# Pulls the remote backups from multiple hosts
+hosts="{{pull_remote_backups}}";
+errors=0
+for host in $hosts; do
+  bash {{docker_pull_primary_backups_folder}}pull-remote-backup.sh $host || ((errors+=1));
+done;
+exit $errors;

roles/server_native-backups-consumer/templates/pull-remote-backups.timer.j2

@@ -0,0 +1,10 @@
+[Unit]
+Description=starts pull remote backup timer
+
+[Timer]
+OnCalendar={{on_calendar_pull_primary_backups}}
+RandomizedDelaySec={{randomized_delay_sec}}
+Persistent=false
+
+[Install]
+WantedBy=timers.target