rclone: Don't use template for backup script

roles/rclone/files/rclone-sync.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+set -eu
+umask 027
+
+TARGET="/srv/backup"
+CONFIG="/etc/rclone/rclone.conf"
+LOGDIR="/var/log/rclone"
+RCLONE="/usr/local/bin/rclone"
+
+timestamp="$(date +%Y%m%d%H%M%S)"
+
+if [ ! -d "$TARGET" ]; then
+    echo "ERR: Destination directory '${TARGET}' does not exist" 1>&2
+    exit 1
+fi
+
+for host in $("$RCLONE" --config "$CONFIG" listremotes | tr -d ":") ; do
+    fqdn="$("$RCLONE" --config "$CONFIG" config show "$host" | \
+        awk '{ if ($1 == "host") print $3 }')"
+    if [ ! -d "${TARGET}/${fqdn}" ]; then
+        mkdir "${TARGET}/${fqdn}"
+    fi
+    log="${LOGDIR}/${fqdn}.${timestamp}.log"
+    if ! "$RCLONE" --config "$CONFIG" --log-file "$log" --log-level INFO \
+        sync "${host}:/" "${TARGET}/${fqdn}/"; then
+        cat "$log"
+    fi
+done