Backrest: install Backrest as a systemd service to simplify pre/post-backup hooks (e.g., docker compose stop/start). Do not want to overcomplicate setup and run backrest (single binary) in a container with SSHing to host and/or docker.sock access

hosts/home-morefine/systemd/backrest/install.sh

@@ -0,0 +1,28 @@
+#! /bin/bash
+set -euo pipefail
+
+BACKREST_VERSION='v1.11.2'
+TMPDIR="$(mktemp -d)"
+
+# backrest working directory
+sudo mkdir -p /home/backups/backrest
+sudo chown backups:backups /home/backups/backrest
+
+curl -fL -o "${TMPDIR}/backrest.tar.gz" \
+  "https://github.com/garethgeorge/backrest/releases/download/${BACKREST_VERSION}/backrest_Linux_x86_64.tar.gz"
+
+tar -xzf "${TMPDIR}/backrest.tar.gz" -C "${TMPDIR}"
+
+if systemctl is-active --quiet backrest; then
+  sudo systemctl stop backrest
+  echo "Paused backrest for update"
+fi
+
+sudo install -D -o root -g root -m 0644 ./backrest.service /etc/systemd/system/backrest.service
+sudo install -o root -g root -m 0755 "${TMPDIR}/backrest" /usr/local/bin/backrest
+
+echo "Reloading systemd service"
+sudo systemctl daemon-reload
+sudo systemctl enable --now backrest
+
+rm -rf "${TMPDIR}"